Mammoth, WY weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Mammoth now
Loading the National Weather Service forecast…
Mammoth weather by the hour
Mammoth weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Mammoth.
This week in Mammoth
Sunrise, sunset and moon in Mammoth
What is the weather usually like in Mammoth?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 81°F average high
- Januarycoldest month · 12°F average low
- 14.8 inprecipitation per year · 376 mm
- 71.5 insnowfall per year · 182 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Mammoth: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station YELLOWSTONE PARK MAMMOTH, WY US (USC00489905), adjusted for the elevation of Mammoth.
Mammoth weather month by month
Sunrise and sunset in Mammoth through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:55 AM | 5:09 PM | 9 h 13 min |
| February | 7:21 AM | 5:52 PM | 10 h 30 min |
| March | 7:32 AM | 7:30 PM | 11 h 57 min |
| April | 6:35 AM | 8:09 PM | 13 h 33 min |
| May | 5:51 AM | 8:46 PM | 14 h 55 min |
| June | 5:33 AM | 9:12 PM | 15 h 39 min |
| July | 5:49 AM | 9:08 PM | 15 h 19 min |
| August | 6:23 AM | 8:30 PM | 14 h 7 min |
| September | 7:00 AM | 7:35 PM | 12 h 34 min |
| October | 7:37 AM | 6:39 PM | 11 h 2 min |
| November | 7:19 AM | 4:55 PM | 9 h 36 min |
| December | 7:52 AM | 4:43 PM | 8 h 51 min |
Times for the 15th of each month, local time (America/Denver).
What is the weather like in Mammoth?
Mammoth has a warm-summer humid continental climate. The warmest month is July, with an average high of 81°F (27°C), and the coldest is January, with average lows of 12°F (-11°C).
It gets about 14.8 inches (376 mm) of precipitation a year. The wettest month is June and the driest is February. Snow is common: about 72 inches fall in an average year.
The best time to visit Mammoth is June to September. At 6,250 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 Mammoth
Weather in towns near Mammoth
Questions about the weather in Mammoth
What is the hottest month in Mammoth?
July, with an average high of 81°F (27°C).
What is the coldest month in Mammoth?
January, with an average low of 12°F (-11°C).
How much does it rain in Mammoth?
About 14.8 inches (376 mm) a year; the wettest month is June.
Does it snow in Mammoth?
Yes, about 72 inches of snow fall in an average year.
When is the best time to visit Mammoth?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Mammoth have?
Warm-summer humid continental (Köppen Dfb).
What is the weather like in Mammoth in November?
Highs average 39°F and lows 19°F, with about 1.1 inches of precipitation.
What time is sunrise in Mammoth?
Around 7:19 AM in mid-November, and sunset around 4:55 PM. Today’s exact times are shown above.
Where does this Mammoth weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Mammoth.
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