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

Vacaville Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	4.1000000000000005	8.3		12.181250000000002	13
	4.23125	9.3		12.43125	11.7
	4.3062499999999995	10.7		12.368750000000002	15
	4.981249999999999	9		13.462499999999999	12.9
	4.818749999999999	8.4		13.356250000000001	13.1
	4.7625	5		12.775	10.2
	5.00625	7.9		13.175	12.4
	5.949999999999999	3.9		13.225000000000001	12.7
	5.8625	1.5		13.38125	12.3
	4.8625	2.1		13.125	11.1
	4.937499999999999	4.3		13.11875	15.8
	4.781250000000001	0.7		13.63125	14.5
	5.5062500000000005	5.4		13.96875	17.4
	5.31875	6		14.681250000000002	18.4
Jan.	4.8812500000000005	6.8		13.775	18.6
	5.21875	7.5		13.987499999999999	18.3
	5.5375	6.5		14.331249999999999	16
	6.00625	5.9		14.450000000000001	16.5
	5.55	4.9		14.21875	11.4
	5.74375	4.6		14.41875	15.4
	4.9375	9.1		14.331250000000004	16.1
	5.606249999999999	9.2		14.2	14.7
	5.1625	6		14.6625	10.1
	5.112500000000001	3.2		14.549999999999999	15.8
	5.58125	2.4		15.6125	9.3
	5.5062500000000005	3.6		14.75625	16.3
	5.56875	3.6		15.8375	11.5
	5.00625	8.9		15.556249999999999	16.4
	5.59375	2.8		14.899999999999999	13.9
	5.725000000000001	3.8		15.462499999999999	13.5
	5.80625	5.4		15.149999999999997	14.9
	5.53125	8.1		15.318750000000001	19.8
	6.15	6.3		14.156250000000002	20.9
	5.293749999999999	6		14.662500000000003	18
	5.3	7.9		15.0375	19.4
	5.20625	7.9		15.59375	17.3
	6.33125	10.6		15.737499999999999	20.3
	6.66875	5.6		15.893749999999999	18.4
	6.01875	6.4		15.45	14.1
	6.5875	9.6		16.0125	15.8
	5.6499999999999995	7.7		16.575	11.9
	5.4937499999999995	8.9		15.956249999999999	9.5
	5.6125	7		16.6875	18.4
	6.525	4.7		17.6625	15.2
	6.518750000000001	7.4		16.43125	10.5
Feb.	6.750000000000001	9.2		16.887500000000003	14
	6.35625	8.9		17.0625	10.1
	6.4375	5.4		16.21875	9.1
	5.30625	1.9		15.375	9.6
	5.33125	2		14.4125	9
	5.112500000000002	1.6		15.674999999999999	8.7
	4.56875	2.5		16.174999999999997	11.8
	4.393750000000001	4.2		16.525	13.7
	5.05625	6.7		15.4875	17.1
	5.18125	11.1		16.349999999999998	13.5
	4.931250000000001	10.3		16.7875	15.6
	5.5375	13		15.61875	20.5
	5.7375	8.2		16.56875	21
	5.19375	14.4		16.531250000000004	23.2
	5.6	11.1		16.724999999999998	16.5
	6.456250000000001	10.2		15.6875	16.5
	5.9375	6.1		15.706249999999999	13.2
	5.75	7.3		16.21875	16.5
	5.637499999999999	5.5		15.637500000000001	18.3
	6.112500000000001	7.4		16.04375	21.1
	5.231249999999999	8.6		16.5125	24
	5.44375	10.9		16.9375	25.8
	5.1812499999999995	8.6		16.768749999999997	22.1
	6.637499999999999	10		17.475	21.5
	6.05625	7.9		18.0125	23.6
	6.856250000000002	10.8		18.056250000000002	26.8
	6.9625	7.1		18.193750000000005	22.8
	7.7875	8.3		17.48125	24
Mar.	7.550000000000002	10		17.118750000000002	26
	7.125000000000001	14.5		18.7	28.9
	6.575000000000001	13.2		17.89375	30.2
	6.55	14.5		17.775	31
	7.2437499999999995	15.9		17.806250000000002	31.7
	7.1	16.9		17.193749999999998	32.3
	6.5249999999999995	10.4		17.99375	25.6
	7.512500000000001	12.6		18.056250000000002	26.9
	7.1187499999999995	9.1		18.712499999999995	27.3
	6.856249999999999	11.7		17.8875	28.4
	6.806249999999999	10.6		17.53125	27.2
	6.418750000000001	10		17.712500000000002	21.9
	6.85625	11.3		18.287499999999998	23.1
	7.537500000000001	10.6		18.3375	27.8
	7.28125	8		18.612500000000004	26.6
	7.89375	11.4		18.56875	23.3
	8.15	12		19.418750000000003	17.8
	7.787499999999999	12.5		19.512499999999996	18.9
	7.7250000000000005	7.6		19.48125	20.7
	6.875000000000001	10.9		19.88125	26.3
	7.1499999999999995	9.4		19.025	29
	6.9750000000000005	9.9		18.14375	29.5
	7.081249999999999	10		18.962500000000002	29.2
	7.95625	10.3		19.518750000000004	28.2
	7.23125	10.4		20.48125	29.6
	7.83125	13		21.962500000000002	25.2
	8.61875	12.9		21.631249999999998	19.9
	9.08125	9.3		19.875	19.6
	7.95	8.5		20.275000000000006	17.8
	7.574999999999999	8		20.51875	17.9
	7.499999999999999	7.8		19.818749999999998	20.7
Apr.	7.30625	8.2		20.225	24.1
	8.256250000000001	8.6		20.8	23
	8.812500000000002	10		22.362499999999997	25.6
	9.093750000000002	7.5		22.912499999999998	26.9
	8.8625	10.9		22.9375	25.5
	9.187500000000002	10.3		22.9625	21.4
	9.975	9.5		24.137500000000003	17.8
	10.43125	8.5		24.43125	18
	10.51875	8.1		24.4	23.2
	10.637500000000001	9.8		23.356250000000003	24.1
	9.98125	10.4		22.581250000000004	17.6
	9.16875	9.1		22.90625	18.5
	9.400000000000002	8.3		22.806250000000002	20.3
	9.325	8.5		23.875	24.4
	10.35	9		26.10625	28.5
	11.150000000000002	10.1		26.224999999999998	29.7
	11.3625	12.3		26.999999999999993	29.1
	11.44375	13.4		26.73125	23
	11.606249999999998	12.2		26.449999999999992	22.1
	11.3	11.2		26.381249999999998	22.7
	10.781249999999998	12.1		24.174999999999997	17.3
	10.243750000000002	12.1		23.5125	25.6
	10.1125	12.3		24.450000000000003	29.3
	10.762499999999998	12		24.575000000000003	30.2
	11.33125	13.5		25.443749999999998	32.9
	10.762500000000001	14.4		25.65	31.3
	10.58125	14.7		26.149999999999995	35
	10.8625	16.7		26.74375	30.8
	10.98125	14.5		26.968750000000004	29.6
	10.856250000000001	12.8		25.40625	33.1
May	10.59375	14		24.443750000000005	33.4
	10.79375	14.5		24.5125	30.8
	10.650000000000002	14.7		24.51875	26.9
	11.231250000000001	14.3		25.881249999999994	30.3
	11.91875	16.8		26.01875	33.3
	10.893749999999999	14.2		25.737499999999994	31.7
	11.618749999999999	15.9		26.525000000000006	35.7
	11.331249999999999	14.5		25.962500000000002	32.3
	11.006250000000001	13.5		25.837499999999995	27.3
	11.381250000000001	13.3		26.031249999999996	29.1
	11.5125	13.3		24.737499999999997	25.7
	11.143750000000002	11.6		24.237499999999997	21.2
	11.118749999999999	9		26.124999999999996	23.1
	11.725	12.4		27.1375	23.2
	12.175000000000002	13.4		28.7	23
	11.6125	12.8		28.006249999999994	29.2
	12.793750000000001	13.2		29.03125	32.8
	13.06875	13.1		29.26875	35.8
	13.20625	14.7		29.8625	33.5
	13.187500000000002	16.2		30.14375	37.4
	14.093750000000002	15.9		30.26875	35.9
	14.149999999999997	16.1		30.356250000000003	37.3
	13.237500000000002	14.9		29.068750000000005	32.7
	12.86875	11.1		29.668750000000006	31.2
	13.46875	14.5		30.118750000000002	32.7
	13.86875	14.6		28.981250000000003	31.9
	13.575	16		28.681250000000002	38.3
	14.13125	24.8		30.206250000000004	40.7
	14.287499999999998	19.8		31.356250000000003	39.9
	13.9	18.5		30.8875	38.7
	13.762500000000001	19.1		30.318750000000005	36.9
Jun.	13.093749999999998	18.3		30.268750000000004	37.4
	13.4875	17.3		30.681250000000002	36.2
	14.118750000000002	17.4		31.4375	32.6
	14.843749999999998	16.9		31.337499999999995	30.6
	14.206250000000002	14.9		30.85625	27
	13.85	15.1		32.0625	30.1
	14.374999999999998	14.6		32.7125	33.2
	15.006250000000003	16.4		32.7125	34.3
	14.95	16.3		32.2375	34.9
	13.856250000000001	16.6		30.106249999999996	33.8
	13.512499999999998	15		30.625000000000007	33
	13.999999999999998	15.5		31.731250000000006	31.6
	14.243750000000002	14.5		32.61875	29.3
	15.043750000000001	13.3		32.49375	32.4
	14.718749999999998	15.1		33.725	35.5
	15.649999999999999	16.7		33.349999999999994	32.8
	15.075000000000001	14.6		33.54375	31.6
	15.3875	15.5		33.112500000000004	33
	15.25	15.4		32.449999999999996	35.1
	14.825	15.9		32.94375	34.7
	14.3	14.9		32.21875	31.4
	14.34375	15.2		32.587500000000006	31.7
	14.137499999999998	13.9		32.8125	31.8
	14.431249999999999	13		33.03125	34.8
	14.23125	14.9		32.637499999999996	37.9
	14.95625	16.7		33.8375	34.7
	14.931249999999999	15.3		33.75	37.3
	14.799999999999997	19.9		32.975	37.9
	14.831249999999999	21.5		33.493750000000006	39.3
	14.806250000000002	20.1		33.25	42
Jul.	14.781250000000002	20.4		33.0875	42.1
	15.09375	18.4		32.962500000000006	38.3
	14.756249999999998	15.9		32.30624999999999	35
	14.2125	16.8		31.568749999999998	33.9
	14.30625	15.6		33.050000000000004	34.4
	15.1375	20.8		32.88125	35.4
	15.1	22		32.875	40.2
	15.187500000000002	20.1		32.51875	31.4
	15.262500000000003	15.3		33	36
	15.09375	17.3		33.7375	37.4
	15.575	18.2		33.4875	36.7
	15.13125	17.8		32.106249999999996	36.7
	14.94375	16.3		33.768750000000004	36.9
	15.63125	15.3		33.5125	37.7
	14.924999999999999	17.7		33.3375	38
	14.9625	18.7		33.099999999999994	38.4
	14.91875	15.8		33.199999999999996	39.9
	14.818749999999998	16.7		32.89375	41
	14.774999999999999	19.9		33.7375	41.1
	15.01875	19.9		33.793749999999996	42.2
	15.43125	19.8		32.35	38.2
	14.318750000000001	19.7		31.1	37.4
	14.731249999999998	14.9		32.44375	34.8
	14.468750000000002	18.4		32.39375	40.9
	14.143749999999997	18.6		31.850000000000005	39.9
	14.393749999999999	17.1		32.50625	42.3
	14.875000000000002	17		33.5	35.3
	15.293750000000003	18.4		33.26875	34
	14.825000000000001	17.7		33.06875	33.3
	15.0125	16		33.18124999999999	27.2
	15.7125	14.1		33.881249999999994	27.5
Aug.	16.30625	14.1		35.306250000000006	30.5
	16.5	13.3		35.262499999999996	32.9
	16.25625	18.9		34.1375	35.6
	15.65625	16.7		33.168749999999996	34.7
	15.406249999999998		16.4	32.7875		39.4
	15.1		18.3	32.85		39.4
	15.000000000000002		18.9	31.037499999999998		37.9
	14.48125		16.9	32.31250000000001		38.6
	15.043749999999998		19.7	33.10625		38.5
	14.918750000000001		17.9	32.050000000000004		37.9
	14.781249999999998		17.6	32.731249999999996		38.4
	14.7		14.7	32.974999999999994		32.9
	15.081249999999997		14.9	33.018750000000004		33.7
	15.106249999999998		15.6	33.1125		33.8
	15.018749999999999		15.3	32.137499999999996		32.5
	14.9875		15.1	33.362500000000004		33.1
	15.137500000000001		14.9	33.675000000000004		32.8
	15.612499999999999		15.4	33.975		33.8
	15.768749999999999		15.9	32.44375		33.4
	15.1375		15.7	33.131249999999994		33.8
	15.306249999999997		15.4	33.61875		33.6
	15.362499999999999		15.4	33.4625		33.5
	16.075000000000003		16.3	34.56875		34.8
	16.362499999999997		16.4	34.05625		33.7
	16.63125		16.3	34.2625		33.5
	16.431250000000002		16	33.83125		33.7
	15.700000000000001		15.3	33		32.8
	15.63125		15.6	32.425000000000004		32.8
	14.99375		15	31.843749999999996		31.5
	14.79375		14.9	31.256249999999998		31.1
	14.387500000000001		14.4	30.793750000000003		30.2
Sep.	13.7375		13.8	29.400000000000002		29.5
	13.781249999999998		13.9	29.4		29.4
	13.68125		13.7	29.23125		29.4
	14.356250000000001		14.7	28.099999999999998		28.8
	14.38125			29.6
	15.206249999999999			30.9
	14.518749999999999			30.425
	13.76875			30.031250000000004
	14.09375			31.88125
	15.1875			31.71875
	15.487499999999999			30.68125
	14.543750000000001			30.987499999999994
	14.54375			31.368750000000006
	15.187499999999998			30.506249999999998
	14.51875			29.299999999999994
	14.025000000000002			28.518749999999997
	14.00625			28.4875
	14.4875			30.331249999999994
	14.281249999999998			28.999999999999996
	13.956249999999999			28.84375
	13.90625			29.00625
	14.143750000000002			29.487500000000004
	14.412500000000001			30.137499999999996
	14.51875			29.156250000000004
	13.262500000000001			26.931250000000002
	12.775			27.0625
	12.64375			26.518750000000004
	12.7125			27.25625
	12.58125			27.112499999999997
	13.056249999999999			27.037499999999998
Oct.	13.39375			27.0875
	12.550000000000002			27.33125
	12.9625			26.35625
	12.337499999999999			27.118750000000002
	12.693750000000001			27.53125
	12.993749999999997			25.981249999999996
	12.0625			26.375000000000004
	12.25625			24.75625
	12.6875			24.143749999999997
	11.956249999999999			23.712500000000002
	11.837499999999999			23.53125
	11.081249999999999			23.1375
	10.5			23.06875
	11.14375			23.45
	11.2			23.125
	10.887500000000003			22.787499999999998
	10.3875			22.55625
	10.65625			21.918749999999996
	10.11875			21.55625
	10.050000000000002			21.531250000000004
	9.612499999999999			21.2875
	10.1			21.8125
	10.1125			21.48125
	9.01875			20.16875
	8.61875			19.437499999999996
	8.425			18.9375
	8.11875			19.425
	7.725000000000001			18.587500000000002
	8.4125			18.737499999999997
	8.60625			19.1625
	8.25			18.681250000000002
Nov.	8.75625			18.3875
	8.26875			18.481249999999996
	7.51875			18.212500000000002
	7.45			16.96875
	7.356249999999999			16.00625
	7.562499999999999			16.11875
	7.531250000000001			16.181250000000002
	7.675000000000002			17.5
	7.6625			17.41875
	6.6375			16.612499999999997
	5.799999999999999			16.0375
	6.1187499999999995			15.437500000000002
	6.24375			15.15625
	5.7			15.25625
	5.4625			15.337499999999999
	5.4125000000000005			14.899999999999999
	5.9125			15.3375
	6.84375			15.156249999999998
	6.64375			14.481249999999998
	6.625			15.08125
	6.7437499999999995			15.4
	6.237499999999999			14.643750000000002
	5.9			14.79375
	5.60625			13.950000000000001
	5.925			14.60625
	6.0875			15.050000000000002
	6.056250000000001			14.875000000000002
	5.512499999999999			14.1875
	5.531249999999998			13.424999999999999
	5.031249999999998			12.981249999999998
Dec.	5.4750000000000005			13.19375
	5.431250000000001			13.13125
	5.2875			12.70625
	6.0125			13.0625
	5.606249999999999			12.787499999999998
	5.5125			12.2375
	5.637499999999999			13.59375
	6.262499999999999			13.318749999999998
	6.106250000000001			14.23125
	5.7875			13.38125
	4.9750000000000005			12.55
	4.175			11.806249999999999
	4.0562499999999995			12.6
	4.2875000000000005			12.61875
	4.69375			11.899999999999999
	4.5			13.012499999999998
	4.1466666666666665			12.620000000000001

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

42°C

Highest Temp

9 Aug. 26

1°C

Lowest Temp

12 Jan. 26

Seasonal Breakdown

Hottest MonthJuly36.18°C

Coldest MonthJanuary5.7°C

Wettest MonthFebruary10.52mm

Windiest MonthJune21.71km/h

Vacaville 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 Vacaville historically?

August is historically Vacaville's hottest month, with average maximum temperatures around 33°C. During peak heatwave events, the highest recorded temperatures have reached 48°C on 2022-09-06.

2. What is the coldest month in Vacaville historically?

January is Vacaville's coldest month, with average minimum temperatures around 5°C. The all-time record low of -2°C was recorded on 2013-01-13.

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

Vacaville's average annual rainfall is approximately 596.2mm, based on records spanning 17 years.

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

Vacaville historically records approximately 71.7 rainy days per year. December has the highest number of rain days at an average of 12.3 days.

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

The all-time highest temperature recorded in Vacaville is 48°C on 2022-09-06.

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

The all-time lowest temperature recorded in Vacaville is -2°C on 2013-01-13.

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

Vacaville experiences its strongest winds during June. The historic gust record of 40 kph was recorded on 2019-10-27.

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

Usually, Vacaville's humidity peaks in March at around 74.3% and drops to its lowest in September at approximately 48.3%.

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

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Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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