World Resorts USA Mammoth Lakes Weather

Mammoth Lakes weather in January

Weather in Mammoth Lakes: January

Average day temperature: 33.3°F
Average night temperature: 18.9°F
Number of sunny days: 19 days
Day length: 9.6 - 10.3 hours
Number of days with precipitation: 1 day
Precipitation totals: 0.9 in.

Air temperature in January, °F

Show year:
2026
2025
2024

The highest day temperature during January of 2026 was 49°F. At the same time the lowest night temperature was 7°F. Daily and nightly averages during January were 36.6°F and 23.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in January are sunny but cloudy days are also possible.

Precipitation total in January, in.

Precipitation total value in Mammoth Lakes in January is 0.9 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 4.7 mph It makes January lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 6.9.

Best time for vacation in Mammoth Lakes

Sunniest months:
July 27 days
September 26 days
August 25 days
Warmest months:
July 76.1 °F
August 73.7 °F
September 68.0 °F
Coldest months:
January 33.3 °F
February 33.3 °F
March 34.6 °F
Rainiest months:
December 1 day
October 0 days
May 0 days
Windiest months:
March 6.3 mph
June 6.2 mph
May 6.2 mph

Mammoth Lakes on a weather map

Mammoth Lakes
+30°F
E 2 mph
Feels like: +25°F
Precip.: 0%
Places in USA:
Name
°F
+12°F
+72°F
+72°F
+48°F
+50°F
+43°F
+50°F
+68°F
+5°F
+52°F
+48°F
+39°F
+37°F
+61°F
+18°F
24 Hours Forecast
Mammoth Lakes
Local time: 05:24
February 03, tuesday
0600
30°F
E
2 mph
0900
32°F
SE
1 mph
1200
45°F
SW
2 mph
1500
45°F
S
3 mph
1800
36°F
SE
1 mph
2100
30°F
E
1 mph
February 04, wednesday
0000
30°F
E
1 mph
0300
32°F
SE
1 mph
Units of measurement: °C / °F