Mammoth Lakes
California, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Mammoth Lakes, CA

The ever-scenic and perfect water reflections in the clear water of trees, rocks, and distant mountains in Mammoth Lakes, California
The ever-scenic and perfect water reflections in the clear water of trees, rocks, and distant mountains in Mammoth Lakes, California
May, the last month of the spring, in Mammoth Lakes, is a mild month, with average temperature ranging between max 60.3°F (15.7°C) and min 33.1°F (0.6°C).

Temperature

In May, the average high-temperature rises, from a cool 50.4°F (10.2°C) in April, to a moderate 60.3°F (15.7°C). In May, in Mammoth Lakes, California, the average low-temperature is 33.1°F (0.6°C).

Rainfall

In May, the rain falls for 5 days. Throughout May, 1.2" (29.7mm) of precipitation is accumulated. In Mammoth Lakes, during the entire year, the rain falls for 63 days and collects up to 23" (583.3mm) of precipitation.

Snowfall

January through June, October through December are months with snowfall in Mammoth Lakes.

Daylight

The average length of the day in Mammoth Lakes, California, is 14.2h.

Sunshine

In Mammoth Lakes, the average sunshine is 11h.

UV index

The average daily maximum UV index in Mammoth Lakes is 9. A UV Index value of 8 to 10 symbolizes a very high threat to health from the exposure to the Sun's UV rays for average individuals.
In May, the average maximum UV index of 9 translate into the following recommendations:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in May in Mammoth Lakes?

In Mammoth Lakes, in May, the average high-temperature is 60.3°F (15.7°C), and the average low-temperature is 33.1°F (0.6°C).

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

In Mammoth Lakes, in May, it is raining for 5 days, with typically 1.2" (29.7mm) of accumulated precipitation.

How much does it snow in Mammoth Lakes in May?

Throughout May, in Mammoth Lakes, California, 4.4" (111.8mm) of snow is accumulated.

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

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

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

In May, the average sunshine in Mammoth Lakes is 11h.

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

In May, the average daily maximum UV index in Mammoth Lakes is 9. A UV Index estimate of 8 to 10 represents a very high health threat from unprotected exposure to the UV radiation.
Average temperature in May - Mammoth Lakes, CA
  • Average high temperature in May: 60.3°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in May: 33.1°F

The month with the highest average low temperature is July (45.3°F).
The coldest month (with the lowest average low temperature) is January (14.8°F).

Average rainfall in May - Mammoth Lakes, CA
  • Average rainfall in May: 1.2"

The wettest month (with the highest rainfall) is January (4.6").
The driest month (with the lowest rainfall) is August (0.3").

Average rainfall days in May - Mammoth Lakes, CA
  • Average rainfall days in May: 5 days

Months with the highest number of rainy days are January and February (9 days).
Months with the lowest number of rainy days are August and September (2 days).

Average snowfall in May - Mammoth Lakes, CA
  • Average snowfall in May: 4.4"

The month with the highest snowfall is December (45.3").
Months with the lowest snowfall are July, August and September (0").

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 shortest days is December (Average daylight: 9.6h).

  • Average sunshine in May: 11h

The month with most sunshine is July (Average sunshine: 12h).
The month with least sunshine is December (Average sunshine: 6h).

Average UV index in May - Mammoth Lakes, CA
  • Average UV index in May: 9

Months with the highest UV index are June and July (UV index 11).
The month with the lowest UV index is December (UV index 2).