May weather forecast and climate
Mammoth Lakes, CA

Perfect water reflections of trees, rocks, and distant mountains in the clear water of Mammoth Lakes, California
Perfect water reflections of trees, rocks, and distant mountains in the clear water of Mammoth Lakes, California

Weather in May

May, the last month of the spring, in Mammoth Lakes, is a fresh month, with average temperature varying between 52.9°F (11.6°C) and 32°F (0°C).

Temperature

In Mammoth Lakes, California, the average high-temperature in May marginally rises, from a chilly 44.6°F (7°C) in April, to a cool 52.9°F (11.6°C). In Mammoth Lakes, the average low-temperature is 32°F (0°C).

Humidity

In Mammoth Lakes, the average relative humidity is 57%.

Rainfall

In May, the rain falls for 5.3 days. Throughout May, 0.35" (9mm) of precipitation is accumulated. Throughout the year, there are 47.7 rainfall days, and 4.92" (125mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. In Mammoth Lakes, during May, snow falls for 4.7 days and regularly aggregates up to 1.5" (38mm) of snow. In Mammoth Lakes, California, during the entire year, snow falls for 60.8 days, and aggregates up to 28.58" (726mm) of snow.

Daylight

In May, the average length of the day is 14.2h.

Sunshine

In May, the average sunshine in Mammoth Lakes is 11.6h.

UV index

The average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in Mammoth Lakes?

The average high-temperature, in May, in Mammoth Lakes, is 52.9°F (11.6°C), while the average low-temperature is 32°F (0°C).

What is the average humidity in May in Mammoth Lakes?

In May, the average relative humidity in Mammoth Lakes, California, is 57%.

How many days does it rain in May in Mammoth Lakes?

In May, in Mammoth Lakes, California, the rain falls for 5.3 days. Throughout May, 0.35" (9mm) of precipitation is accumulated.

How much does it snow in Mammoth Lakes in May?

In Mammoth Lakes, during May, snow falls for 4.7 days and regularly aggregates up to 1.5" (38mm) of snow.

What is the average length of the day in May in Mammoth Lakes?

The average length of the day in May is 14.2h.

How long on average sun shines in May in Mammoth Lakes?

The average sunshine in May in Mammoth Lakes is 11.6h.

What is the UV index reading in May in Mammoth Lakes?

In Mammoth Lakes, California, the average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in May
Mammoth Lakes, CA

Average temperature in May - Mammoth Lakes, CA
  • Average high temperature in May: 52.9°F

The warmest month (with the highest average high temperature) is July (73.4°F).
The month with the lowest average high temperature is February (34°F).

  • Average low temperature in May: 32°F

The month with the highest average low temperature is July (48.2°F).
The coldest month (with the lowest average low temperature) is February (14.9°F).

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Average pressure in May
Mammoth Lakes, CA

Average pressure in May - Mammoth Lakes, CA
  • Average pressure in May: 29.92"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.89").

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Average wind speed in May
Mammoth Lakes, CA

Average wind speed in May - Mammoth Lakes, CA
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is March (6.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

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Average humidity in May
Mammoth Lakes, CA

Average humidity in May - Mammoth Lakes, CA
  • Average humidity in May: 57%

The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (34%).

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Average rainfall in May
Mammoth Lakes, CA

Average rainfall in May - Mammoth Lakes, CA
  • Average rainfall in May: 0.35"

The wettest month (with the highest rainfall) is February (0.94").
The driest months (with the least rainfall) are August and October (0.08").

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Average rainfall days in May
Mammoth Lakes, CA

Average rainfall days in May - Mammoth Lakes, CA
  • Average rainfall days in May: 5.3 days

The month with the highest number of rainy days is April (6.3 days).
The month with the least rainy days is August (1.8 days).

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Average snowfall in May
Mammoth Lakes, CA

Average snowfall in May - Mammoth Lakes, CA
  • Average snowfall in May: 1.5"

The month with the highest snowfall is February (5.67").
Months with the least snowfall are July and August (0").

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Average snowfall days in May
Mammoth Lakes, CA

Average snowfall days in May - Mammoth Lakes, CA
  • Average snowfall days in May: 4.7 days

The month with the highest number of snowfall days is March (11.3 days).
Months with the least snowfall days are July and August (0 days).

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Average daylight in May /
Average sunshine in May
Mammoth Lakes, CA

Average daylight in May / Average sunshine in May - Mammoth Lakes, CA
  • Average daylight in May: 14.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in May: 11.6h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 6.3h).

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Average sunshine days in May
Mammoth Lakes, CA

Average sunshine days in May - Mammoth Lakes, CA
  • Average sunshine days in May: 19.9 days

The month with the most sunshine days is October (27.3 days).
The month with the least sunshine days is March (18.2 days).

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Average UV index in May
Mammoth Lakes, CA

Average UV index in May - Mammoth Lakes, CA
  • Average UV index in May: 3

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

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Average cloud cover in May
Mammoth Lakes, CA

Average cloud cover in May - Mammoth Lakes, CA
  • Average cloud cover in May: 18

The month with the most cloud cover is March (Cloud cover 30).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in May
Mammoth Lakes, CA

Average visibility in May - Mammoth Lakes, CA
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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