San Tan Valley, AZ weather in February
February in San Tan Valley: mild and mostly dry. Highs 71°F, lows 40°F, about 4 wet days. A great month for outdoor plans.
- Normal high
- 71°F
- Normal low
- 40°F
- Wet days
- 4
- 1.0 in total
- Muggy days
- 0
- dew point 65°F+
How February changes from start to finish
| February 1 | February 28 | |
|---|---|---|
| Normal high | 70°F | 74°F |
| Normal low | 38°F | 42°F |
| Chance of a wet day | 14% | 14% |
| Sunrise / sunset | 7:21 am / 5:57 pm | 6:55 am / 6:21 pm |
| Daylight | 10.6 h | 11.4 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Arizona time (no daylight saving)).
A typical February day
- 6 am51°Fdew point 35°F
- 9 am55°Fdew point 34°F
- Noon64°Fdew point 32°F
- 3 pm69°Fdew point 30°F
- 6 pm68°Fdew point 30°F
- 9 pm62°Fdew point 33°F
NOAA hourly normals (local standard time) from Phoenix Sky Harbor Intl Airport (32 mi away); average wind 6 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F18 of 28
- Hot dayshigh 90°F or more0 of 28
- Muggy daysdaily mean dew point 65°F or more0 of 28
- Wet daysat least 0.01 in of rain or melted snow4 of 28
- Notable rainat least 0.10 in3 of 28
- Freezing nightslow 32°F or below5 of 28
Average days per February, counted from daily records for each year 1991-2020.
Rain in February
Normal precipitation is 1.0 in; a dry February brings about 0.2 in and a wet one about 1.2 in (25th and 75th percentiles). About 1 day brings half an inch or more. Snow is very rare.
How February varies from year to year
- Warmest February, 1991-20201996: average high 78°F
- Coolest February2019: average high 63°F
- Wettest February1998: 4.0 in
- Driest February2002: no measurable precipitation
- Highest reading89°F (February 18, 2016)
- Lowest reading19°F (February 4, 2020)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
February compared with January and March
| January | February | March | |
|---|---|---|---|
| Normal high | 68°F | 71°F | 78°F |
| Normal low | 37°F | 40°F | 45°F |
| Wet days | 4 | 4 | 3 |
| Comfortable days | 20 | 18 | 15 |
| Daylight | 10.2 h | 11.0 h | 12.0 h |
Highs change by +3°F from January and +7°F into March.
Nearby alternatives in February
- Cooler: Sedona, AZ117 mi · high 61°F · 6 wet days
How San Tan Valley ranks in February
- Normal high32nd warmest of 378 cities; 2nd of 13 in Arizona
- Wet days22nd driest of 378
- Comfortable days9th most of 340
What to pack for San Tan Valley in February
- A warm jacket – lows near 40°F, highs near 71°F
- Layers – afternoons near 71°F but nights near 40°F
Frost in February
The last spring frost typically comes around Feb 1; in 1 year in 10 it comes after Feb 27. All frost dates for San Tan Valley.
Heating and cooling
February has 269 heating degree days and 3 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is San Tan Valley in February?
The normal high is 71°F and the normal low is 40°F. From 1991 to 2020 the hottest February reading was 89°F (most recently on February 18, 2016).
Does it rain a lot in San Tan Valley in February?
About 4 days in February have at least 0.01 in of precipitation, and the normal total is 1.0 in. The wettest February in 1991-2020 was in 1998 (4.0 in); the driest was in 2002, with no measurable precipitation.
Does it snow in San Tan Valley in February?
Snow is very rare: the 1991-2020 normal for February rounds to 0.0 in.
Is February a good time to visit San Tan Valley?
February ranks 1st of 12 months on our comfort score for San Tan Valley (73 out of 100). It has about 18 comfortable days. The best months are January, February and December.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Casa Grande Nm (USC00021314), 14 mi S of the city center, 1,419 ft (103 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Chandler Heights (USC00021514), 9.0 mi W of the city center, 1,425 ft (97 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Phoenix Sky Harbor Intl Airport (USW00023183), 32 mi WNW of the city center, 1,107 ft (415 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Phoenix Sky Harbor Intl Airport (722780-23183), 32 mi WNW of the city center, 1,113 ft (409 ft lower than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).