Sun Valley, ID weather in February
Expect cold, snowy weather in Sun Valley in February, with highs near 35°F and lows near 11°F. Rain or snow falls on about 9 days. Snowfall averages about 17.2 in. Dress for deep cold.
- Normal high
- 35°F
- Normal low
- 11°F
- Wet days
- 9
- 1.9 in total
- Snowfall
- 17.2 in
- normal snowfall
How February changes from start to finish
| February 1 | February 28 | |
|---|---|---|
| Normal high | 33°F | 38°F |
| Normal low | 9°F | 14°F |
| Chance of a wet day | 29% | 31% |
| Sunrise / sunset | 7:53 am / 5:48 pm | 7:15 am / 6:24 pm |
| Daylight | 9.9 h | 11.2 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 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 snow9 of 28
- Notable rainat least 0.10 in5 of 28
- Freezing nightslow 32°F or below28 of 28
Average days per February, counted from daily records for each year 1991-2020.
Rain and snow in February
Normal precipitation is 1.9 in; a dry February brings about 0.5 in and a wet one about 2.4 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 17.2 in, with about 6 days of an inch or more.
How February varies from year to year
- Warmest February, 1991-20201991: average high 48°F
- Coolest February2019: average high 27°F
- Wettest February1998: 3.2 in
- Driest February1991: 0.06 in
- Highest reading56°F (February 23, 1991)
- Lowest reading-22°F (February 4, 1996)
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 | 31°F | 35°F | 43°F |
| Normal low | 8°F | 11°F | 19°F |
| Wet days | 10 | 9 | 8 |
| Comfortable days | 0 | 0 | 0 |
| Daylight | 9.4 h | 10.5 h | 11.9 h |
Highs change by +4°F from January and +8°F into March.
Nearby alternatives in February
- Warmer: Boise, ID93 mi · high 46°F · 9 wet days
- Cooler: West Yellowstone, MT174 mi · high 28°F · 13 wet days
How Sun Valley ranks in February
- Normal high326th warmest of 378 cities; 2nd of 2 in Idaho
- Wet days186th driest of 378
- Comfortable days312th most of 340
What to pack for Sun Valley in February
- A warm jacket – lows near 11°F, highs near 35°F
- A rain jacket or umbrella – rain or snow on about 9 days
- Waterproof boots – about 17.2 in of snow in a typical year
- A hat and gloves – about 28 freezing nights
Heating and cooling
February has 1175 heating degree days and 0 cooling degree days (base 65°F), 13% of the year's total heating and cooling demand.
Questions
How cold is Sun Valley in February?
The normal high is 35°F and the normal low is 11°F. From 1991 to 2020 the coldest February reading was -22°F (most recently on February 4, 1996).
Does it rain a lot in Sun Valley in February?
About 9 days in February have at least 0.01 in of precipitation, and the normal total is 1.9 in. The wettest February in 1991-2020 was in 1998 (3.2 in); the driest was in 1991 (0.06 in).
Does it snow in Sun Valley in February?
Yes. Normal snowfall in February is 17.2 in.
Where the numbers come from
- Temperature, rain and snowfall: Ketchum RS (USC00104845), 1.0 mi SSW of the city center, 5,890 ft (62 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Bellevue (USC00100774), 17 mi SSE of the city center, 5,192 ft (760 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Stanley Ranger Station (726824-04112), 44 mi NW of the city center, 6,495 ft (543 ft higher than the city). Hourly observations, 1991-2020.
- Not available for this location: snow depth, humidity and wind by hour and cloud cover (no station close enough or similar enough in elevation).