May weather forecast
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 cool month, with an average temperature ranging between max 52.9°F (11.6°C) and min 32°F (0°C).

Temperature

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

Humidity

The average relative humidity in May is 57%.

Rainfall

In May, in Mammoth Lakes, the rain falls for 5.3 days. Throughout May, 0.35" (9mm) of precipitation is accumulated. In Mammoth Lakes, during the entire year, the rain falls for 47.7 days and collects up to 4.92" (125mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In Mammoth Lakes, snow falls for 4.7 days, with typically accumulated 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

The average length of the day in May is 14h and 13min.
On the first day of May, sunrise is at 5:59 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:11 pm PDT.

Sunshine

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

UV index

In May, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 3 in May transform into the following instructions:
Take precautions - Protection against sun damage is advised. 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?

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

What is the average humidity in May in Mammoth Lakes?

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

How much does it rain in Mammoth Lakes in May?

In Mammoth Lakes, in May, during 5.3 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

How much does it snow in Mammoth Lakes in May?

In Mammoth Lakes, California, in May, snow falls for 4.7 days, with typically accumulated 1.5" (38mm) of snow.

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

In May, the average day length in Mammoth Lakes, California, is 14h and 13min.

When is the sunrise / sunset in May in Mammoth Lakes?

On the first day of May in Mammoth Lakes, California, sunrise is at 5:59 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:11 pm PDT.

How many hours of sunshine does Mammoth Lakes have in May?

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

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

The average daily maximum UV index in May in Mammoth Lakes, California, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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").
The 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).
The 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: 14h and 13min

The month with the longest days is June (Average daylight: 14h and 44min).
The month with the shortest days is December (Average daylight: 9h and 37min).

  • Average sunshine in May: 11h and 36min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).

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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

The months with the highest UV index are June and July (UV index 5).
The 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

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

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