May Weather in Mammoth Lakes

Last updated: March 2, 2024

The weather in Mammoth Lakes, United States, during May is characterized by an average temperature of 6°C (43°F). Highs can soar to 20°C (68°F), while lows may dip to -8°C (18°F). Typically, the humidity level in Mammoth Lakes throughout May hovers around 58%.

-8°C (18°F)

Minimum temperature

6°C (43°F)

Average temperature

20°C (68°F)

Maximum temperature

58%

Humidity

Precipitation and Sunshine hours

In May, Mammoth Lakes averages 40 mm (1.6 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 14 hours 13 minutes of daylight, with the sun shining for approximately 11 hours 50 minutes each day. Additionally, there is a 79% probability of sunny days during this period.

40 mm (1.6 inches)

Precipitation

9 rainy days

Rainy days

11 hours 50 minutes

Sunshine hours

79%

Chance of sun

UV Index

In May, the UV Index in Mammoth Lakes reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 2 5 8 11 13 13 12 9 6 3 2 1
Exposure Low Moderate VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 25 min 30 min 45 min

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