Vientiane Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Vientiane Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	15.64375	17.2		27.462500000000002	30.3
	16.19375	16.7		28.2375	29
	17.043750000000003	15.1		28.875	27
	17.5625	14.2		28.731250000000003	27.2
	17.94375	15.3		29.362499999999997	28.8
	18.15	15.1		29.7375	28
	18.224999999999998	12.2		29.2375	25
	18.29375	11.2		28.637499999999996	24.7
	18.512500000000003	10.6		28.4875	25.2
	18.00625	11.8		27.306250000000002	26.2
	17.5125	12.4		26.25	25.7
	17.012500000000003	11.8		26.45625	27.7
	16.53125	14.2		27.29375	28.4
	16.556250000000002	15.3		28.068749999999998	30
Jan.	17.225	16.9		28.900000000000002	31.1
	17.25	17		28.681250000000002	32
	16.962499999999995	19.4		28.6	33.2
	16.48125	20.7		28.249999999999996	31.8
	16.418750000000003	18.8		28.525	33.4
	17.21875	19		28.94375	33.8
	17.99375	18.4		28.25	31.4
	17.768749999999997	17.1		28.875	30
	17.15625	15.3		28.318749999999998	28.7
	16.95625	14.9		28.106250000000003	29.2
	17.025	15.5		28.431250000000002	30.8
	17.2375	17.4		28.162500000000005	31.9
	17.26875	16.8		27.699999999999996	31.9
	17.349999999999998	17.3		28.106249999999996	31.3
	17.40625	17.2		28.862500000000004	32.1
	17.668750000000003	18.4		28.837499999999995	33.3
	17.9	18.6		29.074999999999996	33.7
	18.368750000000002	17.5		29.05625	31.6
	18.59375	16.5		29.975	30.2
	18.925	14.9		30.124999999999996	29.8
	18.80625	15.4		30.012499999999996	32.6
	19.00625	18.3		30.46875	35.1
	18.899999999999995	19.8		30.5	36.9
	19.21875	20.2		31.85	35.5
	19.3125	20.9		31.593749999999996	31
	18.956249999999997	16.4		30.64375	30
	18.76875	17.5		30.681250000000006	33.5
	19.287499999999998	19.9		30.924999999999997	34.7
	19.387500000000003	20.4		31	34.8
	19.537499999999998	20.2		30.943749999999998	35.5
	19.65	20		31.287499999999998	35.5
Feb.	20.0125	20.2		31.962500000000002	36.2
	20.275	21		31.550000000000004	37.8
	20.49375	22.3		30.893749999999997	36.9
	20.89375	21		31.043750000000003	34.1
	20.350000000000005	20.3		30.7375	33.9
	19.68125	19.4		30.268749999999997	33.2
	19.8	20		31.018749999999994	36.4
	20.525	22.9		32.131249999999994	36.8
	20.9375	22.5		32.2125	36.3
	20.9875	23.1		32.193749999999994	34.5
	20.868750000000002	22.1		31.975	32.9
	20.675	22.3		32.037499999999994	28.6
	20.75	21.2		32.12499999999999	33.9
	21.318749999999998	22.9		33.31875	33.9
	22.306250000000002	24		34.23125	36.8
	22.424999999999997	24.2		33.88125	37.7
	21.96875	24		33.68125	38.5
	22.193750000000005	23.8		33.45625	33.8
	22.36875	21.9		34.3125	32.5
	22.68125	21.7		34.6125	32.8
	22.831250000000004	21.7		33.93749999999999	33.9
	22.731250000000003	22		33.40625	34.3
	22.481250000000003	22.2		33.23125	35
	22.69375	22.2		33.025	31.8
	22.725	19.7		33.54375	33.4
	22.731250000000003	22.2		33.50625	32
	23.137500000000003	20		34.275000000000006	31.7
	23.36875	19.8		34.9875	32.5
Mar.	24.043750000000003	20.8		34.15624999999999	33.5
	23.5625	21.8		33.3125	34.5
	23.7	22.7		33.256249999999994	36.8
	24.162499999999998	24		33.63125	38.6
	23.543750000000003	24.6		34.5375	39.3
	24.193749999999998	24.6		35.275	38.9
	23.9875	24.1		34.0375	37.8
	23.18125	23.2		33.8625	37
	23.474999999999994	23.4		34.131249999999994	38.7
	23.743750000000002	25.8		34.1375	40
	23.7875	27.1		34.3125	40.1
	23.34375	24.9		33.10625	40.9
	23.356250000000003	28		33.275000000000006	41.7
	23.131249999999998	27.3		32.949999999999996	39.8
	23.606250000000003	26.7		33.86249999999999	40.1
	23.718749999999996	26.1		34.26874999999999	40.5
	24.3875	27.3		35.449999999999996	41.8
	24.4	26.2		34.9875	42.8
	24.200000000000003	26.9		34.4	41.6
	24.543750000000003	27.8		34.975	42.6
	24.55	27.3		35.4125	42.6
	25.268749999999997	28		35.80625	42.9
	24.9125	27.5		35.587500000000006	42.8
	24.69375	26.6		34.35625	42.5
	24.76875	26.9		34.381249999999994	42.6
	24.862500000000004	26		35.0125	42.8
	25.5125	25.8		35.46875	42.5
	25.63125	25.8		35.9125	42.1
	25.812499999999993	26.6		36.46875	43.1
	25.637499999999996	26.4		35.599999999999994	42.8
	25.39375	27.1		35.643750000000004	43
Apr.	25.79375	26.9		36.03125000000001	43
	25.706249999999997	26.6		35.2875	42.4
	25.5625	25.9		35.15625	42.5
	25.862499999999997	26.4		35.64375	41
	25.900000000000002	23.9		36.081250000000004	39.6
	26.056250000000002	23.4		36.525	38.6
	26.381249999999998	24.9		37.4625	39.2
	26.487499999999997	27.1		36.65	41.3
	26	27.6		35.78124999999999	40.4
	26.100000000000005	25.6		35.987500000000004	39.1
	26.225	24		35.925000000000004	35.1
	26.056250000000006	23.8		35.618750000000006	36.3
	26.150000000000002	23.1		35.349999999999994	36.4
	25.400000000000002	24.3		34.574999999999996	38.1
	25.40625	25.2		33.63125	39.9
	25.35625	23.1		34.42500000000001	34.5
	25.81875	24.1		34.387499999999996	35.1
	25.6375	23.5		35.20625	38
	26.106250000000003	24.1		34.925	38.6
	25.93125	24.1		35.25625	38.5
	26.193749999999998	23.8		35.075	34.5
	26.493749999999995	25		35.575	37.8
	26.424999999999997	27		35.381249999999994	40.6
	26.275000000000002	26.1		34.65625	38.8
	26.0875	23.8		34.46875	33.9
	25.8625	25.2		34.24375	33
	25.5875	24.6		34.09375	35.5
	25.906249999999996	25.4		34.36875	38
	25.84375	25		33.90625	35.6
	25.94375	24.8		33.99375	36.4
May	26.024999999999995	26		33.9375	37.1
	25.85625	25.8		34.01875	36.3
	25.525000000000002	25.6		33.075	36.5
	25.731249999999996	24.8		33.36875	32.8
	25.800000000000004	24.4		33.74999999999999	26.9
	26.206249999999997	23.9		33.83125	33.2
	25.993750000000002	24.1		33.831250000000004	29.1
	26.118750000000002	23.7		33.0625	32.8
	26.062499999999993	24.2		33.068749999999994	32.6
	25.71875	24.6		32.37499999999999	32.9
	25.350000000000005	25.4		31.60625	35.2
	25.025	25.5		31.756249999999998	36.4
	25.08125	26		32.2375	37.1
	25.506249999999998	25.6		32.25	36.6
	25.506249999999998	26.2		31.837499999999995	36.7
	25.69375	24.7		32.15	34.3
	25.637500000000003	24.4		32.41875	35.4
	25.662499999999998	25.9		32.83125	37.1
	25.743750000000002	26.6		33.15	37.8
	25.81875	26.7		32.625	37.4
	25.575000000000003	26		32.574999999999996	35.6
	25.393749999999997	24.9		31.85625	30.8
	25.200000000000003	24.9		32.099999999999994	29.7
	25.525	24.9		32.2375	30.5
	25.549999999999997	24.5		31.45625	33.6
	25.462500000000002	24.6		31.23125	32.6
	25.174999999999997	24.9		31.7875	33
	25.262500000000003	23.9		31.118750000000002	27.4
	25.056250000000002	23.3		31.08125	29.2
	25.01875	24		31.312499999999996	31.8
	24.806250000000002	24.3		31.987500000000004	32.7
Jun.	24.849999999999998	24.8		31.393749999999997	33.2
	24.75625	25.2		31.93124999999999	32.8
	25.043749999999996	24.6		31.631249999999998	32.1
	24.80625	24.5		31.450000000000003	34
	25.024999999999995	24.4		31.58125	33.1
	24.956249999999997	23.4		32.75	25.7
	25.16875	22.7		32.737500000000004	31.8
	25.3875	24.3		32.4125	33.4
	25.156249999999996	24.9		31.993750000000002	32.8
	24.943749999999998	24.8		30.325	34.4
	24.450000000000003	25.2		29.5875	35.1
	24.131249999999998	25.8		30.068749999999998	35.2
	24.174999999999997	24.9		29.912500000000005	34.7
	24.3625	25		31.53125	33.9
	24.525	25.6		31.875000000000004	32.9
	24.843749999999996	24.7		31.499999999999996	29.1
	24.862499999999994	23.8		31.181250000000002	29.2
	24.61875	24.5		30.856250000000003	31.6
	24.399999999999995	23.9		30.625	32.5
	24.375	24.8		30.806250000000002	31.2
	24.687500000000004	23.4		31.650000000000006	24.9
	24.7	22.9		31.99375	26.1
	24.59375	23.3		31.55625	30.1
	24.5	23.1		30.450000000000003	29.9
	24.356250000000003	22.4		30.875	29
	24.437499999999993	22.8		30.712500000000006	28.8
	24.35	22.6		31.312500000000004	25.5
	24.568749999999998	23.1		30.824999999999996	29.8
	24.5	24.1		31.299999999999997	29.3
	24.831249999999997	23.8		31.312500000000004	30.3
Jul.	24.7375	24.1		30.84375	29.8
	24.38125	23.5		30.76875	27.2
	24.456249999999994	23.7		31.106250000000003	27.1
	24.493749999999995	22.4		31.293749999999996	32.5
	24.506249999999998	23.1		29.831249999999997	31.1
	24.374999999999996	23.4		29.956250000000004	30.2
	24.031250000000004	22.8		29.875000000000004	30.2
	23.849999999999998	23		30.199999999999992	27.2
	24.137500000000003	22.7		30.387499999999996	31.1
	23.95625	23.5		29.681250000000006	31
	23.86875	23.6		29.599999999999998	32.2
	23.94375	24.1		30.031250000000004	31.5
	24.081249999999997	23.9		30.037499999999998	30.5
	24.1	23.9		30.156250000000004	27.2
	24.250000000000007	23.5		30.474999999999994	26.2
	24.093749999999996	23.4		30.075000000000003	29.4
	24.06875	23.7		29.831250000000004	29
	24.025000000000002	23.7		30.16250000000001	27.7
	24.0875	23.7		30.162499999999998	28.9
	23.93125	23.4		29.587500000000002	30.8
	23.756249999999998	24.3		29.175	26.3
	23.7875	23.4		29.856250000000003	26.1
	23.812500000000007	23		29.987499999999994	28.3
	23.775000000000002	23.2		30.4125	26.5
	24.0125	23.7		30.856250000000003	26.5
	24.312499999999996	23.5		30.962500000000006	30.6
	24.45	23.9		31.05	30.6
	24.45625		23.8	31.000000000000004		29.9
	24.400000000000006		23.9	31.099999999999998		30.9
	24.374999999999996		24.2	30.662499999999994		32.4
	24.1875		24.4	30.44375		32
Aug.	24.0375		23.6	29.99375		28.3
	23.74375		23.3	29.51875		30.6
	23.531250000000004		23.6	30.175		31.3
	23.90625		23.4	30.443749999999994		29.8
	24.15		23.5	31.731250000000003		26.5
	24.100000000000005		24.2	30.243750000000002		30.2
	23.91875		23.9	29.706250000000004		30.4
	23.80625		23.9	30.393749999999997		30.8
	24.175		24.2	31.59375		31
	24.412500000000005		24.3	30.968750000000004		30.9
	23.98125		24	30.21875		30.8
	23.743749999999995		23.9	29.99375		30.3
	23.83125		23.8	30.331249999999997		30.5
	23.706250000000004		23.8	31.05		31
	23.762500000000003		23.7	30.612500000000004		30.6
	23.7875		23.9	30.062500000000004		29.9
	23.625		23.7	30.375		30.2
	23.74375		23.7	30.75625		31.1
	23.918750000000003		23.8	30.84375		30.9
	23.793750000000003		23.9	30.637500000000006		30.8
	23.918750000000003		23.9	31.275000000000002		31.3
	23.69375		23.7	29.96875		29.9
	23.59375		23.6	30.587500000000002		30.8
	23.94375		24	31.35625		31.2
	23.99375		23.9	30.531250000000004		30.6
	23.924999999999997		23.9	30.33125		30.6
	23.75625		23.8	30.4125		30.9
	23.643749999999997			30.425
	23.424999999999997			30.775
	23.781249999999996			29.89375
	23.593750000000004			30.2875
Sep.	23.525000000000002			29.593749999999993
	23.506250000000005			30.156249999999996
	23.568749999999998			30.79375
	23.512499999999996			30.637499999999992
	23.531249999999996			30.775000000000002
	23.531249999999996			30.856249999999996
	23.562499999999996			30.668749999999996
	23.5125			30.4125
	23.24375			30.412499999999998
	23.099999999999998			29.881249999999998
	23.13125			30.181250000000002
	23.193749999999998			30.268749999999997
	23.125000000000004			30.61875
	23.487499999999997			31.05
	23.45625			31.150000000000002
	23.493750000000002			30.887500000000003
	23.38125000000001			30.218750000000004
	23.206249999999997			30.65
	23.093749999999996			30.462500000000002
	22.95			30.900000000000002
	22.849999999999998			30.487500000000004
	22.65			29.912499999999994
	22.493750000000002			30.643750000000004
	22.44375			30.943749999999998
	22.74375			30.73125
	22.65625			30.54375
	22.093749999999996			30.225000000000005
	22.199999999999996			30.76875
	22.231249999999996			30.856250000000006
	22.593749999999996			30.600000000000005
Oct.	22.462500000000002			29.550000000000004
	22.24375			29.149999999999995
	21.937500000000004			29.250000000000004
	21.756249999999998			29.875
	21.7875			29.987499999999997
	21.6625			30.499999999999996
	22.0375			30.3125
	22.087500000000002			30.31875
	22.124999999999996			30.54375
	22.15			30.525
	21.65625			30.187499999999996
	21.718749999999996			30.681250000000002
	21.96875			30.55625
	21.69375			30.1125
	21.856249999999996			30.399999999999995
	21.25625			30.14375
	21.031249999999996			30.418750000000003
	21.03125			30.162500000000005
	20.643749999999997			29.906250000000004
	20.54375			29.76875
	20.1375			30.106250000000003
	20.4875			30.206250000000004
	20.962500000000002			30.1
	21.237499999999997			30.256249999999998
	21.5375			30.512500000000003
	21.23125			29.85
	21.162499999999998			30.006249999999998
	20.91875			30.1
	21.14375			29.993749999999995
	21.162499999999994			30.093750000000004
	20.968749999999996			30.4875
Nov.	20.875			30.793750000000003
	21.35625			30.324999999999992
	21.637500000000003			30.63125
	21.45			30.518749999999997
	20.8			30.193750000000005
	20.431250000000002			30.2875
	20.312500000000004			30.825
	20.4			31.01875
	20.5875			30.343750000000004
	20.225			29.968750000000007
	19.824999999999996			29.5375
	19.643749999999997			29.787500000000005
	19.718749999999996			29.76875
	19.243750000000006			29.443749999999998
	19.150000000000006			29.831249999999994
	19.30625			29.912499999999998
	19.568749999999998			29.76875
	18.9125			29.056250000000002
	18.843750000000004			29.03125
	18.76875			28.837500000000002
	18.5625			28.68125
	18.40625			29.006249999999998
	18.543749999999996			28.3375
	17.75625			27.95
	18.068749999999998			28.275000000000002
	18.187499999999996			28.425
	18.575			29.031249999999996
	18.706250000000004			28.95
	18.55			28.962499999999995
	18.356250000000003			29.331249999999997
Dec.	18.38125			29.39375
	18			27.9875
	16.987500000000004			26.025000000000002
	16.1			26.737499999999997
	15.624999999999998			27.606250000000003
	15.762499999999998			27.48125
	15.950000000000003			28.249999999999996
	16.375			28.150000000000002
	16.775			28.51875
	16.706249999999997			28.456249999999997
	16.675			27.681250000000006
	16.43125			27.61875
	17.093749999999996			27.831250000000004
	17.006249999999998			28.43125
	17.0375			28.137500000000003
	17.03125			28.575000000000006
	16.153333333333332			27.440000000000005

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

43°C

Highest Temp

12 Apr. 26

11°C

Lowest Temp

9 Jan. 26

Seasonal Breakdown

Hottest MonthApril40.8°C

Coldest MonthJanuary15.86°C

Wettest MonthAugust18.79mm

Windiest MonthApril16.79km/h

Vientiane Climate Change InsightsSee how climate patterns are evolving over time. Temperature shifts, rainfall trends, and extreme events—all in one place.

Weather City Ranking GloballyExplore Real time of the world’s hottest & Coldest Cities based on current temperature data.

Frequently Asked Questions

1. What is the hottest month in Vientiane historically?

April is historically Vientiane's hottest month, with average maximum temperatures around 36°C. During peak heatwave events, the highest recorded temperatures have reached 43°C on 2026-04-12.

2. What is the coldest month in Vientiane historically?

January is Vientiane's coldest month, with average minimum temperatures around 17°C. The all-time record low of 9°C was recorded on 2016-01-25.

3. What is the average annual rainfall in Vientiane over the past 17 years?

Vientiane's average annual rainfall is approximately 2082.6mm, based on records spanning 17 years.

4. How many rainy days does Vientiane experience on average per year?

Vientiane historically records approximately 206.7 rainy days per year. August has the highest number of rain days at an average of 29.1 days.

5. What is the all-time highest temperature ever recorded in Vientiane?

The all-time highest temperature recorded in Vientiane is 43°C on 2026-04-12.

6. What is the all-time lowest temperature ever recorded in Vientiane?

The all-time lowest temperature recorded in Vientiane is 9°C on 2016-01-25.

7. What is the windiest time of year in Vientiane historically?

Vientiane experiences its strongest winds during March. The historic gust record of 30.6 kph was recorded on 2026-04-19.

8. What is the highest and lowest humidity in Vientiane during a year?

Usually, Vientiane's humidity peaks in August at around 84.4% and drops to its lowest in March at approximately 43.09%.

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Vientiane Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Vientiane Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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