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

San Tan Valley Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	3.98125	15		14.756249999999996	19.8
	4.2	12.9		15.937500000000002	22.1
	5.10625	5.1		17.25	19.3
	5.925	9		17.33125	19.3
	5.6625000000000005	11.9		18.0375	17.4
	5.9375	6.5		17.6	18
	6.06875	10.3		17.943750000000005	14.5
	6.6812499999999995	6		17.39375	11
	5.94375	1.6		17.7875	13.3
	6.268749999999998	-0.2		16.618750000000002	17.5
	5.84375	1.9		16.2375	19.9
	5.18125	3.2		17.08125	20
	5.15	4.5		17.525	21.9
	5.7375	3.9		18.175	24.7
Jan.	6.6937500000000005	8.3		18.137500000000003	24.5
	7.0875	4.8		18.53125	22.6
	6.85	2.2		18.875	23.1
	7.00625	6.8		19.2875	24.8
	7	5.6		19.506249999999998	24.7
	7.3812500000000005	5.3		18.581249999999997	22.6
	7.125	3.8		17.393749999999997	20.5
	6.062500000000001	9.3		16.75	20.8
	6.1812499999999995	11.1		17.08125	17.8
	6.09375	10.5		17.03125	12.9
	6.200000000000001	4.9		17.993750000000002	16.9
	5.987500000000001	0.5		17.775	17.9
	6.106249999999999	1.2		18.0875	22.1
	6.6625	3		19.16875	20.9
	6.981249999999999	5		18.95	23.1
	7.4125000000000005	3.8		19.15	24.9
	7.6125	7.2		19.0375	25.5
	7.356250000000001	6.5		18.93125	25.9
	6.7124999999999995	8.7		18.312499999999996	24.3
	7.031249999999999	9.4		17.525	26.8
	6.46875	8.1		18.331249999999997	27.6
	6.8375	9.5		19.225000000000005	25.8
	7.05	11.4		18.862499999999997	27.1
	6.987500000000001	10		19.5125	26.1
	7.85625	10.9		20.5875	28.4
	7.862500000000001	7.8		20.812500000000004	27.9
	8.35625	12		20.574999999999996	20.8
	8.15	13.1		19.768750000000004	22.4
	7.6937500000000005	10.4		20.09375	22.7
	8.0875	10.7		20.71875	17.2
	8.799999999999999	8.2		19.993750000000002	23.8
Feb.	8.44375	7.1		20.181250000000002	25.8
	8.325	11.4		20.200000000000003	23.5
	8.8125	12.6		20.618750000000002	18.2
	8.825000000000001	7.8		20.412499999999998	13.4
	9.14375	2.8		20.75625	14.7
	8.306249999999999	7		19.262500000000003	14.8
	8.125	1.7		18.93125	20.4
	7.6625	7.4		18.4375	26.8
	6.8875	8.8		17.9125	27.9
	7.0625	7.8		18.80625	27.1
	7.375000000000001	11.8		20.193750000000005	28.2
	8.131250000000001	12.4		20.53125	30.8
	8.3125	13.8		20.85625	32.7
	8.568750000000001	14.3		19.706249999999997	32.7
	8.287500000000001	15.2		21.21875	33
	9.075000000000001	14.2		21.643749999999997	31.6
	9.525	12.1		21.256249999999998	27.5
	9.462499999999997	10.8		20.756249999999998	25.9
	8.4	10.4		22.84375	23.2
	10.375	4.2		23.775000000000006	21
	11.20625	4.9		22.599999999999998	24.8
	10.062499999999998	9.5		20.837500000000002	30.1
	8.849999999999998	11.9		21.40625	20.4
	9.2125	11.7		22.73125	25
	10.306249999999999	9.8		22.71875	27
	11.225	8.4		23.218750000000004	31.5
	10.91875	11.9		23.4375	32.2
	10.4	14.7		23.06875	30.4
Mar.	10.924999999999999	12.3		23.98125	28.4
	11.55	11.1		24.28125	30.1
	11.4375	12.1		25.4125	34
	12.331249999999999	14.3		24.731250000000003	36
	11.2	15.7		23.743750000000002	38.1
	11.375	17.6		23.987499999999997	39.1
	11.5625	19.2		23.431250000000002	38.4
	11.843749999999998	18.3		24.068749999999998	37
	11.799999999999999	18		23.33125	34.6
	11.3375	17.3		24.206249999999997	34.8
	10.80625	17.4		25.325000000000003	35.2
	12.318750000000003	16.7		24.91875	36.7
	12.225000000000001	14.9		24.68125	36.4
	11.693750000000001	16.5		25.4875	30.5
	12.1125	14.9		26.462500000000006	35.4
	13.2125	20.8		25.925	33.4
	12.718749999999998	18.6		26.174999999999997	31.4
	13.268750000000002	20.3		25.9	29.8
	13.19375	15.7		25.256249999999998	31.6
	12.825000000000001	14.5		25.668750000000003	32.6
	12.88125	15.6		26.45	34.6
	13.306249999999999	19.4		27.481249999999996	36.5
	14.093750000000002	24.2		27.256249999999994	33.9
	13.675	16.4		28.16875	35
	14.537499999999996	17.1		28.7625	36.9
	13.881249999999998	18.4		27.874999999999996	37
	13.93125	17.8		28.268749999999997	35.3
	14.65	17.6		29.099999999999998	33.7
	15.443749999999998	16.6		27.150000000000002	32.4
	14.33125	16		26.731249999999996	28.6
	14.11875	14.6		27.368750000000002	27.8
Apr.	14.112499999999999	11.8		27.7875	31.1
	14.04375	12.9		27.5125	32.9
	13.999999999999998	15.1		27.3	31
	14.806250000000002	14.4		28.71875	34.3
	15.231249999999998	19.3		29.00625	36.7
	15.29375	18.1		29.556250000000002	36.3
	15.781249999999998	17.7		30.449999999999996	36
	16.26875	18		30.03125	33.1
	16.55	15.3		30.2	31.8
	16.4375	14.4		30.49375	33.1
	16.849999999999998	17.4		30.79375	32.2
	16.7	17.2		29.693750000000005	27.6
	16.05625	12.5		29.312499999999993	28.8
	16.231250000000003	13.6		30.118750000000002	31.3
	16.268749999999997	15.2		29.650000000000006	33.7
	16.5125	16.7		30.325	34.5
	17.143750000000004	18.2		30.924999999999997	33.1
	16.925	19.9		30.4125	35.8
	17.225	23.7		31.275	37.2
	18	20.2		31.887500000000003	31.2
	18.45625	17.2		32.6125	25.9
	18.731250000000003	13.1		31.812500000000007	30.5
	17.6375	16.9		30.212500000000002	36.9
	17.26875	18.8		30.281249999999996	39.3
	17.325000000000003	20.5		30.28125	41.3
	17.68125	21.1		30.11875	42.4
	17.9125	21.4		30.724999999999998	44.1
	18.45	24.2		31.8125	42.7
	18.874999999999996	23.4		33.08125	40.4
	19.61875	21.1		33.33749999999999	39.2
May	19.631249999999994	20.2		33.41875	37.5
	19.425	21.5		32.693749999999994	38.5
	19.231250000000003	21.2		32.199999999999996	35.8
	19.406250000000004	19.2		31.706249999999997	31.5
	19.018749999999997	15.5		31.85625	34.6
	18.85625	19.5		32.55625	31.9
	18.8375	17.3		33.0625	36.7
	18.693749999999998	18.5		32.7	37.4
	18.60625	20.2		32.01875	37.7
	18.44375	22.2		32.36875	38.8
	19.118750000000006	24		33.40625	37.9
	19.80625	20		33.37499999999999	36.6
	19.762500000000003	20.1		33.199999999999996	36
	20.174999999999994	18.7		34.724999999999994	35.4
	21.018749999999997	18.5		34.987500000000004	31.5
	20.95	16.9		35.575	34.5
	21.6375	17.4		36.1875	38.3
	22.16875	20.4		36.18125	40.5
	22.31875	22.9		36.768750000000004	41.7
	23.1375	23.3		37.53125	43
	23.275000000000002	25.7		38.00625	42.9
	23.706249999999997	24.7		38.175000000000004	43.3
	23.849999999999998	24.1		38.30000000000001	42
	23.162499999999998	24.8		37.84375	41.8
	23.168750000000003	22.5		37.762499999999996	40.2
	23.83125	23.2		38.01875	41.1
	23.650000000000002	21.8		37.66875	43
	23.55	23.4		37.6125	43.3
	23.318750000000005	27.2		38.06875000000001	44
	24.056250000000002	29.4		38.675	43
	24.15	29.3		38.91875	43.3
Jun.	24.08125	27.9		38.974999999999994	42.8
	24.3625	28		39	45
	24.618749999999995	27.4		39.53750000000001	44.7
	24.85625	25.4		39.581250000000004	42.1
	24.46875	25.7		39.699999999999996	42.9
	24.587500000000006	24.6		40.18749999999999	41.8
	25.05625	22.9		40.337500000000006	42.1
	25.349999999999998	23.2		39.9125	43.7
	25.343749999999996	27		39.64375	45
	25.45	29.4		39.49999999999999	45.5
	25.981249999999996	29.2		40.1875	44.8
	26.0125	30		40.050000000000004	44.9
	26.2875	28.1		40.45	43.4
	26.787499999999998	25.7		41.06875	40.6
	27.5125	24.6		40.7	40.7
	27.45	23.3		40.35625	40.7
	27.156250000000004	21.5		40.0375	39.6
	27.34375	21.6		39.93749999999999	41.2
	27.812499999999993	21.8		39.7375	42.6
	27.018750000000008	25.8		38.67500000000001	43.4
	27.931250000000002	27.3		39.268750000000004	44.2
	27.662499999999998	27.5		40.26875	45.7
	28.193749999999998	29		40.9125	46.3
	28.712500000000006	30.6		41.05624999999999	46.2
	28.412499999999998	30.4		40.137499999999996	46.4
	28.49375	30.4		40.137499999999996	44.1
	28.90625	29.9		39.668749999999996	43.9
	28.625000000000004	30.1		39.856249999999996	44.2
	29.1	27		40.5375	42.5
	28.8875	25.1		39.5875	42.2
Jul.	28.70625	28.5		39.64375000000001	43.8
	28.88125	27.9		39.4625	40.1
	28.412500000000005	24.8		39	33.3
	28.674999999999994	26.5		39.125	36.9
	28.506249999999998	27.4		39.231249999999996	40.1
	28.406250000000004	30		39.412499999999994	42.6
	28.18125	25.7		39.050000000000004	40.4
	28.80625	27.7		39.0375	41.8
	28.150000000000002	30.6		38.4625	46.6
	27.768749999999994	32.6		37.88125	47.5
	27.93125	32.6		38.131249999999994	48.5
	27.724999999999998	31.3		38.762499999999996	44.5
	28.31875	32.2		39.612500000000004	45.5
	28.700000000000003	31.5		39.362500000000004	43.8
	28.55	30.6		38.6	44.7
	28.29375	30.7		38.943749999999994	46
	27.95	31.1		38.362500000000004	47.4
	28.04375	30.3		38.36875	47.6
	28.581249999999997	31.6		38.84375	46.9
	28.4	31.7		39.76875	47.4
	28.39375	31.1		40.362500000000004	43.8
	29.025000000000002	28.2		40.87499999999999	43.3
	29.01875	28.8		39.73125	43.4
	28.893750000000004	29.1		39.606249999999996	44.9
	27.849999999999998	32.2		39.0375	46.2
	27.912500000000005	27.8		38.5875	45.2
	27.96875	29.1		38.262499999999996	43.6
	27.712500000000002	26.1		38.550000000000004	40.6
	27.775	28.7		38.40625	39.3
	27.218750000000004	24.5		38.90624999999999	39.4
	27.662499999999998	25.4		39.1375	40.6
Aug.	28.387499999999992	24.7		39.387499999999996	39.5
	28.73125	30.9		39.21875	40
	28.4125	28.2		39.56250000000001	46.1
	28.018749999999997	31.1		38.40625	45.8
	27.29375		27.5	37.65625		39.8
	27.69375		27.1	38.543749999999996		38.7
	28.018749999999997		31	37.90625		40
	27.19375		31.1	37.81875		40.8
	27.462499999999995		28.9	37.63125		38.4
	27.349999999999998		28.8	37.925000000000004		38.8
	27.75625		29.1	38.16875		39.2
	27.93125		33	38.34375000000001		40.7
	28.200000000000006		28	38.981249999999996		39.2
	28.04375		28	39.025		39.2
	28.087499999999995		27.8	38.881249999999994		39
	27.94375		27.9	38.9625		38.9
	27.75		26.7	38.53125		38.2
	27.38125		27.3	37.6		37.6
	27.075		27.1	37.525000000000006		37.7
	26.93125		25.7	38.30625		38.4
	27.568750000000005		27.4	38.6125		38.6
	27.19375		26.4	38.03125		37.5
	27.55625		26.6	38.87499999999999		37.9
	27.837500000000006		27.6	38.03125000000001		37.2
	27.0625		26.7	36.71875		36.8
	25.9125		24.6	35.66875		35.6
	24.69375		24	35.45		35.6
	24.89375		25.1	36.162499999999994		36.1
	25.174999999999997		25.2	36.306250000000006		36.5
	24.874999999999996		24.8	36.449999999999996		36.6
	24.875000000000004		24.5	36.50625		36.1
Sep.	24.925		24.4	36.256249999999994		36.1
	24.568750000000005		24	35.925000000000004		36.2
	24.218750000000004		24	35.9125		35.8
	23.93125		23.8	35.96875		36.3
	23.425000000000004			36.4875
	23.568749999999994			36.25
	23.54375			34.793749999999996
	23.343750000000004			33.881249999999994
	22.862500000000004			34.293749999999996
	22.29375			35.262499999999996
	22.59375			35.675
	22.89375			34.66875
	22.487499999999997			34.09375000000001
	22.1125			34.43124999999999
	22.00625			34.74375
	22.049999999999994			34.87499999999999
	21.18125			33.75625000000001
	21.662499999999998			33.650000000000006
	20.86875			33.93125
	20.581250000000004			33.11875
	19.650000000000002			31.55625
	19.08125			31.631249999999998
	19.200000000000003			31.65
	18.85			31.337500000000002
	19.524999999999995			30.7125
	19.13125			30.36875
	18.91875			30.981249999999996
	18.7375			30.593749999999996
	17.69375			30.48125
	17.75625			30.999999999999996
Oct.	17.662499999999998			31.5375
	18.1			30.975
	18.237499999999997			31.09375
	17.868750000000002			30.381249999999998
	17.28125			29.61875
	16.90625			29.443750000000005
	16.256249999999994			29.193750000000005
	16.78125			29.931250000000002
	16.918750000000003			29.5125
	16.54375			29.425000000000004
	17.25			29.075
	16.19375			28.287500000000005
	15.125			28.224999999999998
	15.056249999999999			28.55625
	15.13125			27.993750000000002
	14.281250000000002			27.1
	13.468749999999998			26.756250000000005
	13.499999999999998			27.074999999999996
	13.78125			27.093750000000004
	13.943749999999998			26.5625
	14.056250000000002			26.312499999999996
	13.100000000000001			25.406250000000004
	12.79375			26.537499999999998
	13.837500000000002			26.024999999999995
	12.975000000000001			25.9125
	12.643750000000002			24.75625
	12.056249999999999			23.65625
	11.1125			23.712500000000002
	10.75625			24.174999999999997
	11.606250000000001			24.387500000000003
	11.11875			24.043749999999996
Nov.	11.775			24.04375
	11.2			23.156249999999996
	11.06875			22.7
	10.60625			22.662499999999998
	10.774999999999997			22.63125
	11.01875			22.475000000000005
	11.056250000000002			22.425
	11.031249999999998			21.518749999999997
	10.09375			21.893750000000004
	9.631250000000001			21.443749999999998
	9.78125			20.99375
	8.275			21.518749999999997
	9.0625			21.58125
	9.45			20.5875
	8.9125			19.962500000000002
	8.15			19.66875
	8.012500000000001			19.637500000000003
	7.893750000000002			19.51875
	8.075			19.706249999999997
	8.91875			19.625
	7.9312499999999995			19.53125
	8.14375			20.093750000000004
	8.30625			19.775
	7.975			19.39375
	7.218750000000001			19.931250000000002
	7.39375			20.281249999999996
	8.168750000000001			19.6375
	8.181249999999999			19.16875
	7.6812499999999995			18.724999999999998
	7.387499999999999			17.54375
Dec.	6.6125			17.174999999999997
	6.512499999999999			17.325
	6.2375			17.2875
	6.8187500000000005			18.0375
	6.687500000000001			18.0875
	6.7625			18.16875
	6.41875			18.18125
	7.26875			17.95625
	8.15625			17.83125
	7.54375			17.45625
	6.856249999999999			17.131249999999998
	5.931249999999999			15.368749999999999
	5.0875			15.587499999999999
	5.25625			15.750000000000002
	5.275			15.575
	5.331250000000001			16.46875
	5.659999999999999			15.34

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

49°C

Highest Temp

25 Jul. 26

0°C

Lowest Temp

10 Jan. 26

Seasonal Breakdown

Hottest MonthAugust43.53°C

Coldest MonthJanuary5.96°C

Wettest MonthJanuary2.57mm

Windiest MonthJune27.22km/h

San Tan 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 San Tan Valley historically?

July is historically San Tan Valley's hottest month, with average maximum temperatures around 40°C. During peak heatwave events, the highest recorded temperatures have reached 49°C on 2026-07-25.

2. What is the coldest month in San Tan Valley historically?

January is San Tan Valley's coldest month, with average minimum temperatures around 6°C. The all-time record low of -6°C was recorded on 2011-02-03.

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

San Tan Valley's average annual rainfall is approximately 255.9mm, based on records spanning 17 years.

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

San Tan Valley historically records approximately 56.8 rainy days per year. January has the highest number of rain days at an average of 6.1 days.

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

The all-time highest temperature recorded in San Tan Valley is 49°C on 2026-07-25.

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

The all-time lowest temperature recorded in San Tan Valley is -6°C on 2011-02-03.

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

San Tan Valley experiences its strongest winds during May. The historic gust record of 60.5 kph was recorded on 2025-07-01.

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

Usually, San Tan Valley's humidity peaks in December at around 43.5% and drops to its lowest in June at approximately 17.02%.

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

San Tan Valley Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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