St Helena Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

St Helena Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	3.556250000000001	6		12.943750000000001	10.5
	3.75	8.6		12.774999999999999	10.6
	3.90625	11		12.79375	12.5
	4.3125	8.6		13.475000000000001	11.3
	4.2875	6.2		13.556249999999999	10.1
	4.33125	7.6		13.05625	12.2
	4.1812499999999995	5.5		13.625	12.5
	5.124999999999999	2.5		13.549999999999999	13.5
	5.281249999999999	5.6		13.643749999999999	13.7
	4.7375	5.9		13.25625	14
	4.662499999999999	5.4		12.818750000000003	16
	4.81875	6.7		13.674999999999999	15.6
	5.25	7.2		14.53125	18.7
	4.79375	10.1		15.181249999999999	20.5
Jan.	4.8687499999999995	12.1		14.8125	19.7
	5.29375	9.9		14.34375	19.5
	5.156249999999999	9.5		14.643749999999999	17.9
	5.468749999999999	12.3		14.325000000000003	20.4
	5.38125	10.2		14.33125	19
	4.875	8.5		14.731250000000001	17.2
	4.418749999999999	10.5		14.299999999999999	15.7
	5.3687499999999995	8.5		14.924999999999999	13.6
	5.21875	8.8		15.112499999999999	10.7
	5.243749999999999	7.8		14.83125	17.4
	5.3187500000000005	7.3		15.58125	12
	5.14375	6.7		15.3	15.6
	5.1125	3.7		16.20625	8.8
	5.262500000000001	7.8		16.0125	14.5
	5.218750000000001	2.4		15.181249999999999	15.1
	5.70625	10.8		15.75	16.3
	4.9750000000000005	10.3		15.51875	17.1
	5.200000000000001	11.2		15.062499999999998	17.1
	5.349999999999999	7.7		13.75625	18.5
	4.956250000000001	7.1		14.24375	19.7
	4.61875	11.7		14.787500000000001	23.2
	4.706250000000001	11.6		15.26875	18.2
	5.000000000000001	11.5		16.075	19.9
	6.26875	8.3		15.887500000000001	16.9
	5.8062499999999995	6.8		15.743749999999999	13.4
	5.718749999999999	7.4		15.950000000000001	16.7
	5.249999999999999	8.8		16.53125	11.8
	4.9625	8.4		16.2	11
	5.3875	9		16.912499999999998	17.8
	5.9624999999999995	5.5		16.675	15
	5.425	6		15.812500000000002	9.9
Feb.	5.9625	8.9		16.268749999999997	10.5
	5.262499999999999	6.7		16.493750000000002	9.9
	5.35	4.9		15.481250000000003	6.8
	4.599999999999999	2.3		14.875	8.7
	4.4	3		14.09375	10
	4.2625	2.3		15.275000000000002	8.4
	3.8375	4.6		15.700000000000001	10.5
	3.6125	7.6		15.800000000000004	11.6
	3.768749999999999	11.1		15.125	16.4
	4.25	10		15.625	12.2
	3.8687500000000004	10.5		15.96875	16.2
	4.7125	12		15.131249999999998	19.4
	3.98125	9.4		15.768749999999999	20.7
	4.64375	14.8		15.587500000000002	22.4
	4.425	9.6		15.4375	15.3
	5.15625	10		14.406250000000002	15.2
	4.83125	6.7		14.63125	13.8
	4.6187499999999995	7.6		14.712499999999997	14.5
	4.45625	5.9		14.46875	19.5
	4.518750000000001	9.9		14.84375	21.5
	4.2375	13.3		15.618749999999999	25.8
	4.68125	14.6		16.05625	25.2
	4.8625	8.7		15.887499999999998	21.9
	5.6	9.9		16.08125	20.1
	5.343749999999999	10.1		17.26875	22.4
	6.1187499999999995	13.5		16.65	26.2
	5.706249999999999	9.7		16.8875	21.7
	6.46875	8.8		16.74375	23.9
Mar.	6.093750000000001	13.2		15.956249999999999	26.6
	6.4875	17.8		17.69375	29.6
	5.762499999999999	17.7		17.425000000000004	29.9
	5.418749999999999	18.8		17.2625	30.6
	5.95	17.3		16.9625	31.5
	5.7875	18.3		15.799999999999999	32.2
	5.499999999999999	12.9		16.581250000000004	25.1
	6.21875	15.5		17.0125	25.8
	5.687499999999999	14.6		17.6125	24.8
	5.768750000000001	15		16.79375	26.7
	5.750000000000001	13.7		16.5625	23.4
	5.049999999999999	10.3		16.518750000000004	23.2
	5.79375	15.2		16.96875	23.6
	6.5249999999999995	13.8		16.74375	25.5
	6.5249999999999995	12.4		17.7	24.7
	6.6125	13.4		17.74375	23.1
	6.843749999999999	11.1		17.856250000000003	16.4
	7.031249999999999	11		18.387500000000003	13.5
	6.331250000000001	6.8		18.63125	17.3
	5.781250000000001	10		18.9	27.3
	6.1187499999999995	13		17.637500000000003	28.7
	6.0562499999999995	15.9		16.81875	29.9
	6.074999999999999	9.7		17.818749999999998	25.1
	6.4624999999999995	7.7		18.312500000000004	27.1
	5.981250000000001	11.4		18.981250000000003	27.6
	5.93125	9.8		21.2125	19.1
	7.331250000000001	11.6		20.224999999999998	16.7
	7.425	8.1		18.137499999999996	17.3
	6.5249999999999995	7.5		19.025	13.9
	6.68125	6.9		18.8	18
	6.449999999999999	7.2		18.6875	19.3
Apr.	5.531249999999999	7		18.125000000000004	21.1
	6.71875	8.2		19.54375	22.2
	7.6312500000000005	9.7		21.456249999999997	25.4
	7.993750000000001	11.4		21.468749999999996	26.4
	8.0625	10.1		21.69375	23.4
	8.15625	9.7		21.33125	15.4
	8.51875	8.9		22.425	16.9
	8.856250000000001	8.1		23.04375	17.8
	8.900000000000002	9.4		22.812500000000004	22.7
	9	8.1		21.337500000000002	22
	8.518749999999999	9.6		20.924999999999997	15.4
	7.793749999999999	8.7		20.96875	15.5
	8.1875	8		21.5625	18.9
	7.9875	7.9		21.850000000000005	23.7
	9.15	10.6		24.193750000000005	27.1
	9.2625	10.4		24.56875	27.6
	9.575	9.8		25.275	27.6
	9.475	10.2		24.84375	20.6
	9.89375	9.3		24.5625	19.1
	9.14375	9		24.581249999999997	19.6
	8.943750000000001	11.5		22.0625	17.9
	8.25	11.4		21.599999999999994	24.2
	8.1125	10.3		22.5	27.2
	8.750000000000002	10.2		22.975	29
	9.762500000000001	12.1		23.58125	30.2
	9.787499999999998	10.5		24.068749999999998	30.7
	9.374999999999998	13.1		24.168749999999996	33.4
	9.65625	11.1		24.275	28.2
	9.36875	11.4		24.593749999999993	28.5
	9.6	13.2		23.23125	30.4
May	8.94375	12.4		22.525	31.3
	9.0375	11.9		22.299999999999997	27.2
	9.30625	10.8		22.60625	26
	9.750000000000002	13.7		24.0125	29.9
	10.04375	14.8		24	33
	9.456249999999999	12.5		24.237499999999997	29.6
	9.481250000000001	13.3		24.36875	34
	9.912499999999998	9.9		24.356249999999996	30.5
	9.331249999999999	10		24.375	26.5
	10.106250000000001	10.6		24.450000000000003	24.3
	10	10.4		23	20.6
	9.71875	9.4		22.5875	20.3
	9.83125	9		24.093750000000004	23
	10.481249999999998	9.1		25.3625	20.4
	10.7	11.9		26.731249999999996	21.8
	10.581249999999999	11.2		26.499999999999996	27.5
	11.6875	12.6		27.18125	31.5
	11.775	15.6		27.368750000000002	33.2
	12.35625	11		28.218750000000004	29.3
	12	13.6		28.393749999999997	34.2
	13.1125	13		27.75	33.9
	12.4125	14.1		28.3625	35.5
	11.53125	11.9		27.575000000000003	30.1
	11.24375	11.4		27.325	29.9
	11.6125	11.9		27.831250000000008	29.1
	11.9125	13.2		26.918750000000003	30.6
	11.774999999999999	16.5		26.83125	38.5
	12.231250000000001	23.6		28.31875	41.4
	12.46875	16.2		29.34375	37
	12.70625	11.6		28.41875	37.1
	12.35625	13.8		28.78125	33
Jun.	12.19375	12.9		29.125	32.4
	12.262500000000001	12.9		28.762499999999996	31.3
	12.95	12.4		29.112499999999997	31
	13.25625	11.8		29.55625	28.7
	12.699999999999998	13.2		29.700000000000003	23.9
	12.618750000000002	14		29.981250000000003	28.9
	13.262500000000003	11.9		30.9875	30.5
	13.831250000000002	10.9		30.918750000000003	31.7
	13.731250000000001	10.7		30.4125	31.3
	12.962499999999999	9.8		28.43125	29
	12.293750000000001	10.9		28.825000000000003	29.9
	13.1125	13.7		29.487499999999997	30.2
	13.106250000000001	13.3		30.362499999999997	28.9
	14.112499999999999	13.1		30.89375	32
	13.950000000000001	14.1		32.0875	33.5
	14.88125	12.6		32.3875	31.2
	14.36875	10.5		31.89375	31.6
	14.718749999999998	11.1		31.999999999999993	29.9
	14.568749999999998	11.1		31.00625	32.3
	13.79375	11		31.087500000000002	34
	13.29375	9.9		30.493750000000002	29.6
	13.325	10.9		31.012500000000003	29.5
	13.34375	11.2		31.525	31.2
	12.999999999999998	10.8		31.649999999999995	32.5
	13.525000000000002	11.2		31.04375	36.3
	14.225	12.9		31.8125	33.8
	14.418749999999998	13.2		32.125	36.1
	14.04375	14.2		31.587500000000006	36.1
	14.05	19.9		31.90625	37.7
	13.90625	15.3		32.03125	40.2
Jul.	13.962499999999999	21.1		31.425	39.3
	13.987499999999999	15.3		31.44375	36.1
	13.356250000000003	12		30.668749999999996	33.2
	13.181249999999999	11.2		30.26875	32
	13.275	11.3		31.293750000000006	34
	13.96875	15		31.650000000000006	32.2
	14.11875	17		31.46249999999999	36.6
	14.249999999999998	16.9		31.312499999999996	24.3
	14.106250000000003	13.1		31.4875	33
	13.94375	13.8		31.9	35.2
	14.5125	12		31.724999999999998	34.5
	13.88125	13.6		30.76875	34.3
	13.818750000000001	13.2		31.712500000000002	35
	14.3125	13.4		32.10625	36.5
	14.025	14.9		31.981249999999996	36.9
	13.931250000000004	14.5		31.650000000000002	36.8
	13.724999999999998	13.7		31.487499999999997	37.4
	14.09375	14.2		31.500000000000004	39.5
	13.850000000000001	18.2		32.34374999999999	39.7
	14.125	18.8		32.40625	40.8
	14.30625	13.9		30.9	36.4
	13.375000000000002	11.4		29.675	35.7
	14.0375	12		31.15	35.6
	14.13125	12.7		31.031250000000004	36.6
	13.60625	13.2		30.643749999999997	37.4
	13.98125	14.1		30.9625	39.7
	14.118750000000002	12.3		31.418750000000003	34.3
	14.156250000000002	11.9		31.406249999999996	32.7
	13.525000000000002	11.8		31.099999999999998	32.1
	13.649999999999999	11.7		31.35	26.4
	14.625	12.9		32.59375	27
Aug.	15.831250000000002	11.9		33.699999999999996	30.3
	15.7375	11.1		33.65625	32
	15.1125	14		32.74375	32.6
	14.637500000000001	11.9		31.099999999999998	32.3
	14.30625		12.9	31.231250000000003		35.5
	14.2625		15.3	30.8875		35.6
	13.931249999999997		16.1	29.53125		32.9
	13.856250000000003		13.5	30.756250000000005		35.4
	14.15		16.3	31.5125		34.6
	13.512499999999998		13.9	30.512500000000003		33.3
	13.437499999999998		13.6	30.35625		34.5
	13.0875		13.3	30.9125		30.7
	14.23125		14	31.3625		31.9
	14.375000000000004		14.8	31.212499999999995		31.7
	14.125		14.3	30.268749999999997		30.5
	14.037500000000001		14.2	31.8125		31.5
	14.56875		14.2	32.15625		31.3
	14.45		14.2	32.18125		31.7
	14.918749999999996		15.1	30.787500000000005		31.6
	13.925000000000002		14.4	31.20625		31.8
	14.04375		14.1	31.975		31.8
	14.0625		14.1	31.268749999999997		31.2
	14.775		15.2	32.64375		32.8
	15.249999999999998		14.8	31.93125		31.5
	14.875000000000002		14.8	32.075		31.4
	15.2375		14.6	31.556250000000006		31.3
	14.08125		13.7	31.13125		31.1
	14.162500000000003		14.5	30.75625		31
	13.9375		13.8	30.26875		30.1
	13.375		13.6	29.75		29.4
	13.093749999999998		12.9	29.175		28.5
Sep.	12.506250000000001		12.4	27.700000000000006		27.7
	12.30625		12.5	27.8125		27.8
	12.299999999999999		12.8	27.362499999999997		27.5
	12.8375		13.2	25.599999999999998		26.3
	12.75			27.668750000000003
	13.125000000000002			29.006249999999998
	13.343749999999998			28.7625
	12.618749999999999			28.54375
	13.306249999999999			30.062500000000004
	14.29375			29.893749999999997
	14.350000000000001			29.218749999999996
	13.05			29.28125
	13.3			29.425
	13.875			29.20625
	13.087500000000002			27.237499999999997
	12.549999999999999			26.299999999999994
	12.48125			26.6875
	13.125			28.731250000000003
	13.118749999999999			27.44375
	13.14375			27.231249999999996
	12.737499999999999			27.299999999999997
	13.156250000000002			27.931250000000006
	13.51875			28.674999999999997
	12.724999999999998			27.975
	11.575			25.224999999999998
	11.787500000000003			25.300000000000004
	11.025			25.1625
	10.693750000000001			26.18125
	11.193749999999996			25.6125
	11.85			25.606250000000003
Oct.	12.393749999999999			26.181250000000002
	11.5875			25.86875
	12.037499999999998			24.893749999999997
	11.331250000000002			26.087500000000002
	11.65625			26.18125
	11.41875			24.662499999999994
	11.3875			24.59375
	10.537500000000001			23.34375
	10.712499999999999			23.08125
	10.937500000000002			22.8
	10.36875			21.812499999999996
	10.200000000000001			22.268750000000004
	10.10625			22.462500000000006
	10.54375			22.531249999999996
	10.43125			22.6
	9.643749999999999			22.006250000000005
	9.812499999999998			21.937500000000004
	9.4875			20.993750000000002
	9.024999999999999			20.987500000000004
	8.54375			20.56875
	8.43125			20.925
	9.218750000000002			20.974999999999994
	9.118750000000002			20.706250000000004
	8.1			19.50625
	7.88125			19.081249999999997
	7.6187499999999995			18.45
	7.1499999999999995			18.775
	7.06875			18.575
	7.7124999999999995			18.3375
	7.550000000000001			18.9375
	7.468750000000001			18.474999999999998
Nov.	7.79375			18.15
	7.09375			17.943749999999998
	6.78125			18.249999999999996
	6.800000000000001			16.23125
	6.2124999999999995			15.1125
	6.65			16.0875
	7.24375			16.1625
	7.293749999999999			17.44375
	6.925			17.162499999999998
	5.96875			16.474999999999998
	5.575			16.51875
	5.781250000000001			15.700000000000001
	5.75			15.031249999999998
	4.875			15.299999999999999
	5.0062500000000005			15.23125
	5.3687499999999995			15.0625
	5.668750000000001			15.400000000000002
	6.55625			15.518749999999999
	6.31875			14.64375
	6.4750000000000005			14.90625
	6.4125			15.1125
	6.581250000000001			14.618749999999999
	5.9750000000000005			14.65
	5.6375			14.15625
	5.843749999999999			15.05625
	6.425000000000001			15.462499999999999
	5.518750000000002			15.124999999999996
	5.4375			14.262500000000003
	5.05			13.762500000000001
	4.75625			13.16875
Dec.	4.987500000000001			12.99375
	4.69375			13.53125
	5.200000000000001			12.8875
	5.1499999999999995			13.09375
	5.00625			13.181249999999999
	4.8500000000000005			12.962499999999999
	5.475			14.156250000000004
	5.51875			14.143749999999997
	5.41875			14.068750000000001
	5.11875			12.825000000000001
	4.125			12.8375
	3.9562500000000003			12.100000000000001
	3.3125000000000004			12.768749999999999
	4.1625			13.068750000000001
	4.48125			12.393749999999999
	3.6500000000000004			13.174999999999997
	2.8666666666666667			12.806666666666668

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

41°C

Highest Temp

11 Jun. 26

2°C

Lowest Temp

18 Feb. 26

Seasonal Breakdown

Hottest MonthAugust34.51°C

Coldest MonthJanuary7.87°C

Wettest MonthFebruary11.48mm

Windiest MonthJune15.25km/h

St Helena 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 St Helena historically?

July is historically St Helena's hottest month, with average maximum temperatures around 32°C. During peak heatwave events, the highest recorded temperatures have reached 47°C on 2022-09-06.

2. What is the coldest month in St Helena historically?

January is St Helena's coldest month, with average minimum temperatures around 5°C. The all-time record low of -3°C was recorded on 2013-12-08.

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

St Helena's average annual rainfall is approximately 830.2mm, based on records spanning 17 years.

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

St Helena historically records approximately 78.7 rainy days per year. December has the highest number of rain days at an average of 12.7 days.

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

The all-time highest temperature recorded in St Helena is 47°C on 2022-09-06.

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

The all-time lowest temperature recorded in St Helena is -3°C on 2013-12-08.

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

St Helena experiences its strongest winds during May. The historic gust record of 38.9 kph was recorded on 2025-12-25.

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

Usually, St Helena's humidity peaks in March at around 74.3% and drops to its lowest in September at approximately 51.8%.

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St Helena Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

St Helena Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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