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

Gilroy Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	3.475	10		14.49375	14.2
	4.39375	6.8		14.825000000000001	13.2
	4.91875	12.6		14.562500000000002	14.7
	5.41875	10.6		15.54375	11.8
	4.881249999999999	7		15.175	12.2
	4.64375	1.8		15.043750000000001	12.9
	5.55625	6.9		15.537500000000001	13.7
	5.918750000000001	5.2		15.656249999999998	12.2
	6.199999999999998	1.5		14.9125	13.3
	4.856249999999999	2.6		14.737500000000002	15.5
	5.15	4.2		15.268749999999999	17
	5.0625	4.7		15.43125	18.5
	4.7749999999999995	6.5		15.268749999999999	20
	5.1875	7.3		16.025000000000002	21.2
Jan.	5.049999999999999	9.4		16.28125	21.9
	5.8	8.8		16.431250000000002	21.4
	5.8999999999999995	8		16.5375	18.9
	5.85	6.6		16.4	23.3
	5.6625000000000005	6		15.975	21.9
	5.3374999999999995	5.8		15.81875	19
	4.7437499999999995	8.4		16.106250000000003	15.7
	5.24375	9		15.799999999999999	13.2
	5.18125	7.8		15.874999999999998	10.6
	5.06875	5.3		15.73125	16
	5.206249999999999	2		16.624999999999996	15.2
	5.706250000000001	5.4		16.5625	17.4
	5.1875	0.6		16.93125	15.1
	5.05	5.5		17.1875	18.6
	5.887500000000001	1.2		16.66875	19.1
	5.84375	6.7		16.4	21.3
	5.281249999999999	8.4		16.337500000000002	22.6
	5.53125	8.9		16.41875	20.4
	5.925000000000002	3.9		15.312500000000004	22
	5.00625	6.3		15.268749999999999	21.2
	4.9375	8.6		16.35	24
	4.612499999999999	11.2		16.012500000000003	23.9
	5.45625	11.5		16.837500000000002	18
	6.124999999999999	8.8		16.5625	20.7
	6.075	4.3		16.725	18.8
	5.6812499999999995	10.1		17.400000000000002	18.2
	4.8999999999999995	9.6		17.075	13.6
	4.424999999999999	10.6		16.806250000000002	12.8
	5.29375	7.6		17.76875	16.9
	6.1312500000000005	3.6		17.862500000000004	13.7
	5.968750000000001	8.9		16.987500000000004	14.6
Feb.	5.43125	8.9		17.5125	15.1
	5.568750000000001	8		17.575	10.7
	5.956250000000001	6.8		16.3375	8.4
	4.99375	4.3		16.2	8.9
	5.1625	4.6		15.275	8.9
	4.95625	5.2		15.76875	9.4
	4.2125	3.3		16.04375	13.5
	4.39375	2.7		16.306250000000002	16.4
	4.456250000000001	1.9		16.03125	20.8
	4.4125	9.9		17.099999999999998	16.6
	4.625	12.4		17.06875	19.4
	4.981249999999999	13.4		16.49375	23.1
	5.393750000000001	7.6		16.575000000000003	23.8
	5.400000000000001	13.2		16.3625	25.8
	5.531250000000001	10.1		16.825	15.7
	6.4125	10.6		15.487499999999999	15.7
	5.4937499999999995	9.1		15.843749999999998	17.6
	5.425000000000001	8.9		15.9125	14.5
	5.425000000000002	1.5		16.00625	17.4
	6.1187499999999995	5.2		16.293750000000003	21
	5.25625	6.5		16.14375	22.8
	5.212499999999999	8.6		16.21875	24.5
	5.50625	7.8		17.31875	20.5
	6.187500000000001	8		17.79375	18.6
	6.1625	4		18.40625	24.4
	7	9.4		17.8875	26
	6.643749999999999	6.7		18.2	21.9
	7.1625000000000005	8.1		17.775	19.8
Mar.	6.918749999999999	6.7		17.918750000000003	25.9
	6.512499999999999	11.4		18.675	29
	6.275000000000001	14		18.10625	31
	6.33125	16		18.23125	31.9
	6.525000000000001	15.5		18.20625	32.2
	7.1375	14.3		17.5375	31.1
	6.718750000000001	9.9		17.943749999999998	19.8
	6.643750000000001	7.5		17.875	25.4
	6.912499999999999	7.4		18.175	26.2
	6.512500000000001	10		17.812500000000004	27.7
	6.5562499999999995	8.3		17.5625	24.5
	6.562499999999999	4		17.549999999999997	24.2
	6.5375000000000005	11.9		18.1625	24.6
	7.1375	9.2		18.775	25.1
	7.5	8.1		18.36875	25.8
	7.593749999999999	9.8		18.625	22.8
	7.375000000000001	11.2		19.193749999999998	16
	7.0062500000000005	10.6		19.206250000000004	18.9
	6.993749999999999	9.6		18.10625	21.4
	6.8875	6.3		19.225	27.2
	6.59375	10		18.59375	30.6
	6.7562500000000005	10.6		17.675000000000004	31.4
	6.7875000000000005	9.7		18.856250000000003	26.6
	7.54375	10.2		19.487499999999997	26.1
	7.125	9.7		19.599999999999998	28.7
	6.675	12.5		21.1125	24.3
	7.7250000000000005	12.2		21.2125	18.4
	8.19375	10.6		18.53125	17.3
	7.2625	9		18.456249999999997	16.2
	6.78125	7.3		18.3125	19.8
	6.80625	6.9		18.368750000000002	19.8
Apr.	7.1000000000000005	6.4		19.200000000000003	21.5
	7.162499999999999	10.5		19.349999999999998	24.5
	8.149999999999999	7		20.63125	26.2
	8.40625	7.5		21.45625	28.1
	8.543750000000001	8.8		20.81875	23.8
	8.05	8.4		20.837500000000002	24.3
	8.9375	10.3		21.6875	16.5
	9.106250000000001	7.7		21.718749999999996	19.4
	8.906250000000002	8.7		20.825	24.1
	9.14375	9.7		20.618750000000002	21.1
	8.731250000000001	11.6		20.25	16.9
	8.4	9.8		20.65625	16
	8.29375	7		20.06875	18.6
	7.8687499999999995	6.6		20.79375	23.2
	8.66875	8.6		22.99375	26.6
	8.98125	8.7		22.937499999999996	26.3
	9.362499999999999	10.7		23.681250000000006	26.9
	9.64375	11.7		24.10625	22.9
	9.587499999999999	11.2		23.668750000000003	19.5
	9.449999999999998	8.1		23.675	21.3
	8.91875	9.9		21.343750000000004	19.9
	8.61875	10.4		20.374999999999996	27.6
	8.5375	12.4		21.099999999999998	28.6
	8.7	12.2		21.85625	26.8
	9.43125	10.3		22.4375	30.2
	9.031250000000002	12		22.287499999999998	28.9
	8.90625	11		22.850000000000005	32.4
	9.399999999999999	11.2		23.168749999999996	27.7
	9.600000000000001	11.8		23.668750000000006	26.5
	9.4625	8.3		21.58125	30.4
May	9.450000000000001	9.4		21.50625	30.1
	9.737500000000002	8.8		20.974999999999998	25.5
	9.24375	9.9		21.11875	26.6
	9.175	14.9		22.28125	30.2
	9.76875	11.4		22.425	33.1
	9.287500000000001	8.3		22.343749999999996	27.4
	9.15	8.8		21.9375	34.1
	9.124999999999998	9.4		21.662499999999998	28.6
	9.049999999999999	10.6		20.90625	25
	9.05	10.6		21.750000000000004	23.7
	9.243749999999999	9.9		20.856250000000003	22.8
	9.706249999999999	12.1		20.668750000000003	20.3
	9.424999999999999	8.6		21.85625	22.4
	10.48125	11.6		22.962500000000002	17.8
	10.30625	11.5		24.037499999999998	19.1
	9.531250000000002	12.5		23.631249999999998	26.9
	9.79375	9.5		24.062500000000004	30.6
	10.69375	11.6		24.487499999999997	31.4
	11.031249999999998	11.1		24.793750000000003	27.8
	10.999999999999998	11.4		24.9875	31.2
	11.70625	12.4		25.668750000000003	32.2
	11.531249999999998	9.8		25.20625	33.4
	11.168750000000001	11.1		24.00625	27
	10.249999999999998	7.5		24.681250000000006	27.2
	10.9875	9.6		25.35	27.8
	11.39375	13.8		24.85	29.1
	11.475000000000001	12.1		25.487499999999997	36.2
	11.75625	16.3		26.243750000000002	37.1
	11.918750000000001	12.7		27.08125	35.8
	11.456249999999999	12.3		25.393750000000008	34
	11.231250000000001	13		25.18125	32.8
Jun.	10.887500000000001	11.4		24.88125	33.1
	10.512500000000001	12.3		25.268749999999997	31
	11.3	13.1		26.26875	27.6
	11.8625	12.7		26.762499999999996	23.8
	11.618750000000002	13.3		26.200000000000003	22.6
	11.518750000000002	13.2		26.656249999999996	26.5
	11.550000000000002	11.3		27.287499999999998	29.1
	11.65	12.9		27.3125	29.7
	12.09375	12.4		26.737499999999997	30.9
	11.9875	12.5		25.499999999999996	28.8
	11.84375	11.8		25.468750000000004	27
	12.1375	11.6		26.6	27.2
	12.1375	14		27.474999999999998	24.5
	12.649999999999999	10.6		27.543750000000003	30.5
	12.031249999999998	11.8		27.431250000000002	29.2
	12.181249999999999	12.1		27.550000000000004	26.1
	12.649999999999999	11.6		27.656250000000004	22
	13.05625	11.2		26.35625	26.6
	12.6875	11.1		26.856250000000003	31
	12.624999999999998	10.6		27.193750000000005	32.4
	12.399999999999999	10.2		27.075	28
	13.125000000000002	12.6		27.818749999999998	27.4
	12.968750000000004	10		27.425000000000008	27.8
	12.8	11.3		27.906249999999996	30.9
	12.731250000000001	10.6		27.868750000000002	34.6
	12.737499999999997	12.1		28.412499999999998	30.7
	12.6125	11.6		28.393749999999997	35
	13	13.8		27.818749999999998	35.2
	12.918749999999998	17.6		28.0875	35.9
	12.768749999999999	16.6		27.412499999999994	38.7
Jul.	13.137500000000001	17.2		27.231249999999996	39.3
	13.26875	13.4		27.168749999999996	34.3
	13.00625	11		27.012500000000003	29.4
	12.674999999999999	13.1		26.993750000000002	30.5
	12.974999999999998	12.5		27.575000000000003	32.1
	13.475000000000001	13.5		27.8625	33.2
	13.19375	17.8		27.5625	36.3
	13.199999999999998	16.5		27.76875	29.4
	13.50625	14		27.400000000000002	31.1
	13.581249999999999	12.9		28.149999999999995	33.2
	13.73125	12.8		28.1625	33.5
	13.175	13.3		27.1625	33.5
	13.25625	12		28.05	32.4
	13.462499999999999	11.8		27.918750000000003	31.7
	13.3125	12		27.624999999999996	33.1
	13.65625	12.4		27.843749999999996	35.7
	13.362499999999999	11.8		27.618749999999995	37.2
	13.55625	12.5		28.0375	37.3
	13.34375	11.9		28.218750000000007	36.7
	13.499999999999998	12.7		28.143750000000004	36.6
	13.58125	12		27.95	32.2
	13.1875	12.9		26.824999999999996	32.6
	13.212499999999999	13.7		27.756249999999998	33.4
	12.950000000000001	13.7		27.28125	35.5
	12.893750000000002	12.8		26.831250000000004	34.4
	12.775	12.1		27.731249999999996	35.9
	13.125	12.9		28.2375	33.9
	13.4125	13.2		28.33125	31.7
	13.375000000000002	13.7		28.59375	29.7
	13.575000000000001	13.4		28.65	22.7
	13.99375	12.9		29	27.1
Aug.	14.3	11.3		30.362499999999997	27
	14.3875	10.5		29.987499999999997	28.5
	14.174999999999999		10.2	28.76875		23.9
	14.012500000000001		10.2	28.8375		11.1
	13.906249999999998		10.6	27.88125		11.6
	13.574999999999998		11.8	28.243749999999995		13.2
	13.343749999999998		11.9	27.556250000000002		14.1
	13.256250000000003		10.9	28.306250000000002		12.3
	13.875000000000002		10.7	28.40625		11.4
	13.687499999999998		11.2	28.381250000000005		12.2
	13.5		13.1	28.34375		28
	13.5125		13.3	28.34375		28.5
	13.662500000000001		13.6	29.13125		29.9
	13.768749999999999		14.2	28.950000000000006		29.7
	13.525		13.8	28.687499999999996		29.1
	13.325000000000001		13.3	29.475		29.1
	13.075000000000001		13.1	28.58125		28.2
	13.99375		14	29.4625		29.7
	14.243749999999999		14.4	28.59375		29.7
	13.481249999999998		14.1	28.968750000000004		29.4
	14.006250000000003		14	28.7875		28.6
	14.043749999999998		13.9	29.00625		29.5
	14.60625		15.1	30.7		31
	15.425		15.4	30.64375		30.4
	14.981250000000001		14.1	30.756249999999998		29.7
	14.181249999999999		13.7	29.712500000000002		28.9
	14.26875		14.1	28.699999999999996		28.6
	14.06875		14.4	28.143750000000004		28.5
	14.049999999999999		13.9	27.73125		27.5
	13.518749999999999		13.5	26.89375		26.7
	13.000000000000002		12.9	26.65625		26.5
Sep.	12.3375		12.6	25.887500000000003		26.1
	12.812500000000002		12.8	26.19375000000001		26
	12.787500000000001			25.831250000000008
	13.081249999999999			24.906249999999996
	13.181250000000002			26.95
	13.9625			27.656250000000004
	13.875			27.125
	12.624999999999998			26.5125
	12.74375			28.89375
	13.2375			28.987500000000004
	13.85			27.750000000000004
	13.549999999999999			28.062499999999996
	12.95			28.437499999999996
	14.16875			28.681250000000002
	13.1625			26.206249999999994
	12.93125			25.768749999999997
	12.81875			27.00625
	13.481250000000001			28.29375
	13.037500000000001			27.45625
	12.868749999999999			27.106250000000003
	12.70625			27.087499999999995
	12.98125			27.65
	13.324999999999998			28.268750000000008
	12.375			26.650000000000002
	12.1			25.031250000000004
	12.19375			25.093749999999996
	11.712500000000002			24.48125
	10.76875			25.818750000000005
	11.424999999999999			25.374999999999996
	11.78125			25.487499999999994
Oct.	11.887500000000001			25.912500000000005
	12.149999999999999			25.918750000000003
	11.881249999999998			25
	11.31875			25.4875
	11.8875			26.15625
	11.518749999999999			25.075000000000003
	11.175000000000002			24.824999999999996
	11.21875			23.656249999999996
	11.1			23.75625
	11.068749999999998			23.837500000000002
	11.193750000000001			22.6375
	10.60625			22.90625
	9.4125			23.375
	9.825			23.218749999999996
	9.962499999999999			23.087500000000002
	9.781250000000002			22.631250000000005
	9.35625			22.525000000000002
	9.31875			22.062500000000004
	9.381250000000001			22.068749999999998
	9.2			22.075000000000003
	9.18125			21.556250000000002
	9.043750000000001			21.98125
	8.94375			21.83125
	8.450000000000001			20.462500000000002
	8.056249999999999			20.556250000000002
	8.05625			20.087500000000002
	7.618749999999999			20.13125
	7.36875			19.81875
	7.96875			19.443749999999994
	7.7375			19.96875
	7.393750000000001			19.9125
Nov.	8.6875			19.618750000000002
	8.15625			19.26875
	7.324999999999999			19.04375
	7.425000000000001			18.30625
	7.593749999999999			17.1375
	7.062499999999999			17.737499999999997
	6.78125			18.00625
	7.06875			18.78125
	6.90625			18.14375
	6.331250000000001			17.46875
	5.86875			18.156250000000004
	5.918749999999999			17.475
	6.018750000000002			16.987500000000004
	5.94375			16.9125
	5.125			16.618750000000002
	4.88125			16.58125
	6.08125			16.9375
	6.1375			16.9625
	6.1499999999999995			16.23125
	6.31875			16.31875
	5.818749999999999			17.1625
	6.199999999999999			16.674999999999997
	6.01875			16.94375
	4.84375			16.468749999999996
	5.53125			16.8875
	6.2875000000000005			17.2875
	6.05625			16.668749999999996
	5.64375			15.931249999999999
	5.712500000000001			15.224999999999998
	5.2875000000000005			14.675
Dec.	5.46875			14.431250000000002
	4.65625			15.443750000000001
	5.3374999999999995			15.281250000000002
	6.35			14.987499999999999
	5.5875			14.087499999999997
	5.5875			14.143749999999999
	5.7250000000000005			15.30625
	6.1375			15.5875
	6.43125			15.756249999999998
	5.74375			14.543750000000003
	5.574999999999999			14.374999999999998
	4.10625			13.868749999999999
	4.3062499999999995			13.749999999999998
	4.487499999999999			14.537500000000001
	4.7875000000000005			14.33125
	5.237500000000001			14.05625
	4.433333333333334			13.819999999999997

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

39°C

Highest Temp

15 Jul. 26

1°C

Lowest Temp

27 Jan. 26

Seasonal Breakdown

Hottest MonthJuly32.33°C

Coldest MonthJanuary6.21°C

Wettest MonthFebruary11.68mm

Windiest MonthApril15.39km/h

Gilroy 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 Gilroy historically?

August is historically Gilroy's hottest month, with average maximum temperatures around 29°C. During peak heatwave events, the highest recorded temperatures have reached 43°C on 2020-09-06.

2. What is the coldest month in Gilroy historically?

January is Gilroy's coldest month, with average minimum temperatures around 5°C. The all-time record low of -4°C was recorded on 2013-12-09.

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

Gilroy's average annual rainfall is approximately 549.2mm, based on records spanning 17 years.

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

Gilroy historically records approximately 73.5 rainy days per year. December has the highest number of rain days at an average of 11.3 days.

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

The all-time highest temperature recorded in Gilroy is 43°C on 2020-09-06.

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

The all-time lowest temperature recorded in Gilroy is -4°C on 2013-12-09.

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

Gilroy experiences its strongest winds during May. The historic gust record of 35.3 kph was recorded on 2016-03-11.

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

Usually, Gilroy's humidity peaks in March at around 74.5% and drops to its lowest in October at approximately 57.3%.

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Gilroy Historic Weather Records
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Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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