World Resorts USA Mammoth Lakes Weather

Mammoth Lakes weather in May

Weather in Mammoth Lakes: May

Average day temperature: 56.0°F
Average night temperature: 36.7°F
Number of sunny days: 22 days
Day length: 13.8 - 14.6 hours
Number of rainy days: 0 days
Precipitation totals: 0.4 in.

Air temperature in May, °F

Show year:
2026
2025
2024

The highest day temperature during May of 2026 was 70°F. At the same time the lowest night temperature was 24°F. Daily and nightly averages during May were 56.6°F and 38.5°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in May, in.

Precipitation total value in Mammoth Lakes in May is 0.4 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 6.1 mph It makes May one of the most windy months 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 May is: 10.9.

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 33.9 °F
December 36.4 °F
Rainiest months:
December 1 day
October 0 days
May 0 days
Windiest months:
June 6.2 mph
March 6.1 mph
May 6.1 mph

Mammoth Lakes on a weather map

Mammoth Lakes
+52°F
NE 4 mph
Feels like: +50°F
Precip.: 3%
Places in USA:
Name
°F
+77°F
+81°F
+61°F
+81°F
+84°F
+72°F
+77°F
+70°F
+63°F
+57°F
+59°F
+81°F
+82°F
+82°F
+57°F
24 Hours Forecast
Mammoth Lakes
Local time: 03:30
June 19, friday
0600
54°F
NE
4 mph
0900
66°F
N
3 mph
1200
72°F
NE
9 mph
1500
72°F
NE
17 mph
1800
64°F
NE
13 mph
2100
50°F
NE
7 mph
June 20, saturday
0000
45°F
NE
5 mph
0300
43°F
NE
4 mph
Units of measurement: °C / °F