Grass Valley Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Grass Valley Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	1.81875	9.6		10.45625	11.6
	2.3	9.9		11.00625	11.5
	2.85	9.5		11.425	11.4
	3.1875000000000004	7.9		11.462499999999999	9.6
	3.3562500000000006	6.7		11.406250000000002	9.8
	3.20625	1.9		11.0375	10.9
	3.1625	7.2		11.675	8.5
	3.90625	2.7		11.743749999999997	10.1
	3.8499999999999996	3.3		11.143750000000002	9.8
	2.8687499999999995	5.8		11.1375	12.5
	2.675	7.1		10.96875	13.4
	2.8312500000000003	7.3		11.725	15.1
	3.7375000000000003	10.8		12.075	17.9
	3.5562500000000004	12.6		13.243750000000002	19.6
Jan.	3.7125000000000004	13.4		12.674999999999999	19.5
	3.781250000000001	10.7		12.325000000000001	18.5
	3.9375000000000004	9.1		12.65625	17.8
	3.6750000000000003	11.5		12.6875	19
	3.6375000000000006	9.5		12.068750000000001	15.3
	3.875	8.9		12.043750000000001	16.6
	3.193750000000001	12		11.775	14.6
	3.4687500000000004	9.9		11.63125	13.4
	3.35	4.5		12.506250000000001	11.2
	3.83125	5.9		12.549999999999999	14.3
	3.5000000000000004	6.1		13.15	10.8
	3.3875	9.2		12.51875	14.3
	3.5875	9.4		13.456249999999999	13
	3.4875	9.3		13.74375	14.2
	4.29375	7.3		13.1	15
	3.8000000000000003	9.3		13.2375	15.3
	3.4875000000000003	11.6		13.056250000000004	17.2
	3.8500000000000005	12.3		12.775	15.4
	3.625	8.9		11.806250000000004	17.7
	3.2375	7.5		11.637500000000001	18.9
	3.5499999999999994	10		12.8125	21.2
	3.26875	10.1		12.23125	19.6
	3.775	12.8		12.762500000000003	14.2
	3.8312499999999994	9.6		12.468750000000002	16.6
	3.7562499999999996	10.2		13.031249999999998	14.8
	4.4437500000000005	9.8		13.250000000000002	14.2
	3.3374999999999995	7.1		13.687499999999998	10.2
	3.1750000000000003	6.8		13.431250000000002	9
	3.4749999999999996	7		14.118749999999999	12.1
	4.625	3.3		14.212499999999997	12.9
	3.9187499999999997	6.7		13.606250000000001	10.8
Feb.	4.05625	7.4		13.712499999999999	10.9
	3.9999999999999996	1.2		13.743750000000002	9.1
	3.4687500000000004	-0.7		12.725	2.4
	2.7249999999999996	-2.4		12.193750000000003	0.7
	2.4187499999999997	-3.9		10.725	-0.6
	2.78125	-1.9		11.98125	1.5
	2.1	-2.1		11.956249999999999	7.5
	1.1062499999999997	2.8		12.025	10.8
	2	3.6		12.068750000000001	14.5
	2.61875	7.3		12.4875	12.6
	2.4375	4.8		12.906249999999998	10.6
	3.0875	9		11.7625	18.4
	3.01875	4.7		12.506249999999998	18.8
	3.30625	7.8		12.268750000000002	17.4
	3.54375	10.3		12.737499999999999	15.9
	3.9749999999999996	7.9		11.00625	10.5
	3.6125000000000007	8.7		11.812500000000002	15
	3.375	4.7		11.8375	8
	3.45	4.6		11.70625	13.7
	3.7375	5.9		11.7125	17.1
	2.8374999999999995	10.2		12.4375	20.9
	2.6562500000000004	12.3		12.25	19.2
	3.2125	5.9		13.843750000000002	17.4
	4.05625	6.6		13.393749999999999	15.1
	4.2250000000000005	3.7		14.731250000000001	18.1
	4.818749999999999	12.1		14.068749999999998	22
	4.750000000000001	12.2		14.131250000000001	19.6
	5.143750000000001	13.4		13.9375	17.9
Mar.	4.98125	10.9		13.181250000000002	22.4
	4.6875	17.2		14.281250000000004	24.6
	4.09375	15.8		14.287499999999998	25.5
	4.18125	16.1		14.675	26.6
	4.53125	16.5		14.318750000000001	27.1
	4.668749999999999	20.2		13.299999999999999	27.2
	4.65625	17.5		14.11875	21.8
	4.65625	11.3		13.962499999999999	22.2
	4.35	15.1		14.243749999999999	22.3
	4.0874999999999995	15.6		14.00625	22.3
	4.8875	14.9		13.68125	20.4
	4.5687500000000005	10.5		13.600000000000001	21
	4.775	14.6		14.124999999999998	21.6
	5.593750000000001	11.9		14.25	21.2
	5.09375	13.8		14.318750000000001	21.3
	5.0687500000000005	14.7		15.075	18.9
	5.249999999999999	9.8		15.281249999999998	15.9
	5.168749999999999	6.7		15.343749999999998	8.6
	5.143750000000001	3.4		15.174999999999999	11.9
	4.624999999999999	4.8		16.137500000000003	19.7
	5.299999999999999	9.2		15.718750000000004	21.4
	5.24375	10.3		13.837500000000002	22.4
	4.768750000000001	12		15.249999999999998	21.7
	5.8062499999999995	10.6		15.243750000000002	21.1
	5.38125	11		16.48125	21.8
	5.187499999999999	10.8		18.575000000000003	18.3
	6.4875	7.9		18.074999999999996	12.7
	6.8	4		16.63125	10.1
	6.262499999999999	0.6		16.43125	5.8
	5.8999999999999995	3.2		16.131249999999998	10.8
	5.312500000000001	4.7		15.36875	12.6
Apr.	5.199999999999999	6.8		16.474999999999998	13.8
	6.06875	5.1		17.025000000000002	14.5
	6.64375	3.8		18.556250000000002	16.9
	7.418750000000001	8.2		19.143749999999997	18.9
	7.937500000000001	9.6		19.44375	19.1
	7.606249999999998	6.9		19.08125	15.1
	8.05	4.3		19.624999999999996	7.8
	8.075000000000001	3.9		20.762500000000003	10.1
	8.48125	4.8		20.637500000000003	15.9
	8.775	7.2		19.618750000000002	15.8
	7.96875	6.8		18.54375	13.1
	7.931250000000001	5.1		18.631249999999998	9
	7.5375000000000005	4.4		18.34375	12
	6.956250000000001	6.1		19.425	16
	8.362499999999999	8.5		21.918750000000003	19.3
	9.39375	11.1		22.068749999999998	22.1
	9.193749999999998	12.7		22.525000000000002	23.1
	9.625	12.9		22.24375	21.1
	9.687499999999998	10.5		22.4125	17.5
	10.35625	7		22.56875	10.8
	9.60625	7.7		20.875	10.6
	8.475	9.6		19.11875	17.7
	8.2375	10.5		20.1875	22.4
	8.70625	13.7		20.48125	23.3
	9.0375	14.3		21.55	25.9
	9.506250000000001	15.4		22.474999999999998	26.5
	9.399999999999999	16.5		22.806250000000002	28.6
	9.549999999999999	15.5		22.78125	27.8
	10.41875	12.8		23.525000000000002	22.4
	10.306249999999999	12		23.256250000000005	24.7
May	9.918750000000001	14.2		21.3875	24.4
	9.83125	10.4		20.9875	21.6
	9.825	8.8		21.16875	17.7
	10.0375	6.6		22.249999999999996	22.5
	10.05	10.8		22.056250000000002	25
	9.35625	13.4		21.7375	25
	9.712499999999999	16.3		22.343750000000004	27.3
	9.693750000000001	15.7		22.6875	26.8
	10.15625	14.9		22.20625	25.5
	9.899999999999999	13.4		23.375000000000004	25.1
	10.237499999999999	9.5		21.66875	21.9
	9.45	6.5		21.243750000000002	13.2
	10.3125	6		22.500000000000004	12.8
	11.0875	7.1		23.54375	13.4
	11.70625	8.1		25.35625	14
	11.549999999999999	9		25.818749999999998	21.3
	12.150000000000002	12.1		25.825	25.1
	12.975000000000001	13.2		26.568749999999998	27.1
	13.662500000000001	15.9		27.64375	27.6
	13.856249999999998	17.6		27.924999999999997	27.8
	14.618749999999999	17		27.3	28.2
	14.712500000000002	17.4		27.981249999999996	28.4
	13.768749999999999	14.6		27.062500000000004	24
	13.493750000000002	12.1		27.331249999999997	24.5
	13.962499999999999	12.8		27.625000000000004	22.4
	13.6625	11.2		26.98125	24.8
	13.09375	15.4		25.924999999999997	30.1
	13.375	19.1		27.45	32.4
	14.05	21.4		27.949999999999996	32.3
	14.04375	21.6		27.8625	32.6
	14.187500000000004	21.7		28.068749999999998	31.3
Jun.	13.800000000000002	21.2		28.087500000000002	32.8
	14	20.1		28.000000000000004	32.5
	13.768749999999999	19.7		28.262499999999996	31
	14.39375	18.3		29.137500000000003	29.5
	14.675000000000002	14.7		28.725	25.4
	14.156250000000002	12.5		29.487499999999997	26.4
	14.949999999999998	14.4		30.456249999999997	27.5
	15.268749999999997	16.7		31.062500000000004	29.5
	15.86875	18.8		30.66875	30.6
	16.4625	19.1		29.606250000000003	30.5
	15.88125	17.5		29.53125	29.4
	15.875	13.8		30.650000000000002	24
	16.14375	11.3		31.512500000000003	22
	16.625000000000004	11.8		31.26875	24.4
	16.712500000000002	13		31.95	26.7
	17.425000000000004	15.9		32.637499999999996	27.5
	17.1375	16.1		33.01875	27.3
	17.656250000000004	15.2		32.831250000000004	27.4
	17.287499999999998	16.7		32.075	29.3
	16.96875	17.9		32.59375	30.6
	16.799999999999997	19.1		32.2125	30.6
	16.7125	17.5		32.287499999999994	30.4
	16.7	17		32.31875	30.1
	16.95	16.2		32.45	30
	16.949999999999996	18.9		32.293749999999996	32.2
	17.375	20.8		33.13125000000001	32.2
	17.8	19.8		33.45625	33.8
	17.818749999999998	21		33.65625	33.4
	17.96875	21.6		33.26875	33.4
	18.049999999999997	20.8		33.85625	33.8
Jul.	17.900000000000002	22.8		33.54375	34.1
	17.637499999999996	20.2		33.40625	32.8
	17.925	19.4		33.00625	32.6
	17.4875	20		32.64375	31.5
	17.28125	19.3		33.1	31.9
	17.837500000000002	20.7		33.45	32.7
	18.187499999999996	21.5		33.193749999999994	34.1
	17.768749999999997	18.8		33.1	29.2
	17.825	17.5		33.2625	31.4
	17.993750000000002	19.8		33.9625	32.9
	17.96875	18.6		33.8125	32.4
	18.35	19.5		33.35625	32.2
	17.881249999999998	18.5		33.81875	31.7
	18.2	18.8		34.275	32.1
	18.493750000000002	19.9		34.143750000000004	32.5
	18.4	20.4		34.01875	33.6
	18.6375	21.4		33.83125	34.5
	18.23125	22		33.393750000000004	35.3
	17.80625	22.4		33.71875000000001	35.1
	17.4875	21.7		33.4625	36.4
	17.800000000000004	22.9		32.6	35.8
	17.243750000000002	22.4		31.45	35.2
	16.9375	22.5		32.21249999999999	36.5
	16.9125	24.5		32.506249999999994	37.7
	17.05	25.1		32.075	36.4
	16.981250000000003	23.9		32.300000000000004	37.2
	17.03125	23.5		32.65625000000001	35
	17.25	21.2		32.9	33.9
	17.424999999999997	19		32.85625	32.2
	17.624999999999996	16.7		32.875	27.5
	17.58125	13.8		33.025	26.6
Aug.	17.96875	14.5		34.3	29
	18.49375	17.2		34.525000000000006	30.4
	18.51875		10	34.006249999999994		29.6
	17.7875		9.6	33.2		10.2
	17.793749999999996		9.5	32.91250000000001		11
	17.575		11.1	32.4625		12.5
	16.70625		11.5	31.2625		12.9
	16.5875		10.3	31.368750000000002		11.7
	16.5375		9.8	32.599999999999994		10.8
	17.03125		10.9	32.09375		11.4
	17.318749999999998		15.8	31.924999999999997		30.2
	16.80625		15.5	32.53750000000001		30.5
	17.025000000000002		15.6	32.26875		30.7
	16.65		15.5	32.231249999999996		30.7
	16.53125		15.5	31.668750000000003		30
	16.431250000000002		15.5	32.21875		30
	16.58125		15.3	32.46875		30.1
	17.081249999999997		15.7	32.28125		30.3
	17.29375		16.3	31.662499999999998		30.2
	16.906250000000004		15.5	31.63125		30.3
	16.45625		15.5	32.2		30.4
	16.7		15.5	31.781250000000004		30
	16.875		16	32.71875		30.6
	17.024999999999995		15.2	32.21875		29.9
	17.33125		15.7	31.99375		29.2
	17.093749999999996		15.5	31.862500000000004		29.7
	16.799999999999997		15.4	30.900000000000002		29
	16.15625		14.5	30.362499999999997		28.6
	15.724999999999998		14.3	30.025		28.3
	15.225		14	29.55625		27.7
	14.481250000000001		13.4	29.04375		27
Sep.	14.612500000000002		13.1	28.349999999999998		26.1
	13.681250000000002		12.4	27.39375		25.6
	13.374999999999998			27.0875
	13.6875			25.587500000000002
	13.1125			25.487499999999997
	13.950000000000003			27.65
	13.950000000000001			26.856249999999996
	13.33125			27.175
	13.84375			28.599999999999998
	14.893749999999999			29.287499999999998
	15			28.050000000000004
	14.687500000000004			29.04375
	14.924999999999999			28.65
	14.10625			27.675
	14.049999999999999			27.39375
	13.762500000000001			25.63125
	13.4125			25.6875
	12.862499999999999			26.712499999999995
	12.512500000000001			25.45
	12.712500000000002			25.056250000000002
	12.6			25.493749999999995
	13.143750000000002			26
	12.193750000000001			26.625000000000004
	12.737499999999999			26.537499999999998
	12.25			24.66875
	11.73125			24.037499999999998
	11.5375			23.5375
	10.5			24.65625
	10.887500000000001			23.81875
	10.893749999999999			24.575
Oct.	11.84375			24.28125
	11.625			24.5625
	11.337499999999999			22.562500000000004
	10.40625			23.443749999999998
	10.8375			23.86875
	10.7875			23.36875
	10.90625			23.381249999999998
	10.5625			21.624999999999996
	10.2875			21.225000000000005
	10.637500000000001			21.381249999999998
	9.46875			19.075000000000003
	8.775			19.36875
	8.287500000000001			20.6125
	9.343749999999998			19.931250000000002
	9.112499999999999			20.462500000000002
	9.03125			20.150000000000002
	8.700000000000001			19.7125
	8.531250000000002			18.61875
	8.1375			18.643749999999997
	7.599999999999999			18.48125
	7.2875000000000005			18.23125
	8.012500000000001			18.5
	8.10625			17.75625
	6.656249999999999			17.18125
	6.937499999999999			17.00625
	6.493749999999999			16.075
	5.83125			16.41875
	5.95			16.925000000000004
	6.16875			16.1
	6.2125			16.968750000000004
	6.437499999999999			16.775000000000002
Nov.	6.43125			15.9625
	6.1312500000000005			15.337500000000002
	5.0625			15.73125
	5.806250000000001			14.781249999999996
	5.46875			12.981250000000001
	5.075			13.3625
	5.5874999999999995			14.287499999999998
	5.8875			14.54375
	5.25625			14.700000000000001
	4.46875			13.5625
	4.1499999999999995			14.262500000000001
	4.4375			14.068749999999998
	4.824999999999999			12.656249999999998
	4.10625			12.9375
	3.6937499999999996			12.575000000000001
	3.824999999999999			12.600000000000001
	4.6812499999999995			12.9375
	4.4875			13.23125
	4.906249999999999			12.3375
	4.96875			12.79375
	4.8812500000000005			13.6625
	4.98125			12.50625
	4.39375			12.49375
	3.8125000000000004			12.68125
	4.218750000000001			12.98125
	4.41875			13.225
	4.3875			12.956249999999999
	4.06875			12.53125
	3.15			11.0125
	2.8062499999999995			10.431249999999999
Dec.	3.26875			11.05625
	3.04375			11.51875
	2.9187499999999997			11.35
	3.6625			10.724999999999998
	3.19375			10.950000000000001
	3.325			11.068750000000001
	4.237500000000001			12.256250000000001
	4.99375			12.1875
	4.574999999999999			11.9125
	3.7437499999999995			10.825000000000001
	2.88125			10.7375
	2.1625			10.037500000000001
	1.6500000000000001			9.75625
	2.0500000000000003			10.562499999999998
	2.625			10.3875
	2.60625			10.881250000000001
	1.34			10.62

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

38°C

Highest Temp

7 Aug. 26

-4°C

Lowest Temp

19 Feb. 26

Seasonal Breakdown

Hottest MonthAugust33.76°C

Coldest MonthFebruary5.7°C

Wettest MonthFebruary23.47mm

Windiest MonthJuly15.72km/h

Grass Valley 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 Grass Valley historically?

July is historically Grass Valley's hottest month, with average maximum temperatures around 33°C. During peak heatwave events, the highest recorded temperatures have reached 45°C on 2022-09-06.

2. What is the coldest month in Grass Valley historically?

February is Grass Valley's coldest month, with average minimum temperatures around 3°C. The all-time record low of -9°C was recorded on 2013-12-08.

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

Grass Valley's average annual rainfall is approximately 1487.7mm, based on records spanning 17 years.

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

Grass Valley historically records approximately 97.6 rainy days per year. December has the highest number of rain days at an average of 13.2 days.

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

The all-time highest temperature recorded in Grass Valley is 45°C on 2022-09-06.

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

The all-time lowest temperature recorded in Grass Valley is -9°C on 2013-12-08.

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

Grass Valley experiences its strongest winds during February. The historic gust record of 41.4 kph was recorded on 2024-02-04.

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

Usually, Grass Valley's humidity peaks in March at around 73.8% and drops to its lowest in July at approximately 34.1%.

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Grass Valley Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Grass Valley Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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