Alta, WY weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Alta now
Loading the National Weather Service forecast…
Alta weather by the hour
Alta weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Alta.
This week in Alta
Sunrise, sunset and moon in Alta
What is the weather usually like in Alta?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 79°F average high
- Decembercoldest month · 12°F average low
- 25.0 inprecipitation per year · 635 mm
- 113.4 insnowfall per year · 288 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Alta: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station ALTA 1 NNW, WY US (USC00480140), adjusted for the elevation of Alta.
Alta weather month by month
Sunrise and sunset in Alta through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:52 AM | 5:14 PM | 9 h 21 min |
| February | 7:20 AM | 5:55 PM | 10 h 34 min |
| March | 7:34 AM | 7:31 PM | 11 h 57 min |
| April | 6:38 AM | 8:09 PM | 13 h 30 min |
| May | 5:56 AM | 8:44 PM | 14 h 47 min |
| June | 5:39 AM | 9:09 PM | 15 h 29 min |
| July | 5:54 AM | 9:05 PM | 15 h 10 min |
| August | 6:27 AM | 8:29 PM | 14 h 2 min |
| September | 7:02 AM | 7:36 PM | 12 h 33 min |
| October | 7:37 AM | 6:42 PM | 11 h 4 min |
| November | 7:17 AM | 5:00 PM | 9 h 42 min |
| December | 7:49 AM | 4:49 PM | 8 h 59 min |
Times for the 15th of each month, local time (America/Denver).
What is the weather like in Alta?
Alta has a warm-summer humid continental climate. The warmest month is July, with an average high of 79°F (26°C), and the coldest is December, with average lows of 12°F (-11°C).
It gets about 25.0 inches (635 mm) of precipitation a year. The wettest month is May and the driest is July. Snow is common: about 113 inches fall in an average year.
The best time to visit Alta is June to September. At 6,440 ft of elevation, nights are cool even in summer. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Alta
Weather in towns near Alta
Questions about the weather in Alta
What is the hottest month in Alta?
July, with an average high of 79°F (26°C).
What is the coldest month in Alta?
December, with an average low of 12°F (-11°C).
How much does it rain in Alta?
About 25.0 inches (635 mm) a year; the wettest month is May.
Does it snow in Alta?
Yes, about 113 inches of snow fall in an average year.
When is the best time to visit Alta?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Alta have?
Warm-summer humid continental (Köppen Dfb).
What is the weather like in Alta in November?
Highs average 38°F and lows 20°F, with about 1.9 inches of precipitation.
What time is sunrise in Alta?
Around 7:17 AM in mid-November, and sunset around 5:00 PM. Today’s exact times are shown above.
Where does this Alta weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Alta.
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