April 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 April

April is a frosty spring month in Mammoth Lakes, California, with average temperature varying between 44.6°F (7°C) and 24.1°F (-4.4°C).

Temperature

In Mammoth Lakes, the average high-temperature in April slightly increases, from a wintry 37.6°F (3.1°C) in March, to a frosty 44.6°F (7°C). In April, the average low-temperature is 24.1°F (-4.4°C).

Humidity

In April, the average relative humidity in Mammoth Lakes is 67%.

Rainfall

In April, in Mammoth Lakes, the rain falls for 6.3 days. Throughout April, 0.51" (13mm) of precipitation is accumulated. Throughout the year, in Mammoth Lakes, California, there are 47.7 rainfall days, and 4.92" (125mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. In April, it is snowing for 7.1 days. Throughout April, 3.39" (86mm) of snow is accumulated. In Mammoth Lakes, during the entire year, snow falls for 60.8 days, and aggregates up to 28.58" (726mm) of snow.

Daylight

In Mammoth Lakes, the average length of the day is 13.2h.

Sunshine

In Mammoth Lakes, the average sunshine in April is 10.9h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 2 transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. 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 April in Mammoth Lakes?

The average high-temperature, in April, in Mammoth Lakes, California, is 44.6°F (7°C), while the average low-temperature is 24.1°F (-4.4°C).

What is the average humidity in April in Mammoth Lakes?

The average relative humidity in April in Mammoth Lakes, California, is 67%.

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

In Mammoth Lakes, during April, the rain falls for 6.3 days and regularly aggregates up to 0.51" (13mm) of precipitation.

How many days does it snow in April in Mammoth Lakes?

In Mammoth Lakes, California, in April, snow falls for 7.1 days, with typically accumulated 3.39" (86mm) of snow.

How many hours of daylight does Mammoth Lakes have in April?

In April, the average length of the day is 13.2h.

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

In April, the average sunshine in Mammoth Lakes, California, is 10.9h.

When is the lowest UV index in Mammoth Lakes?

Months with the lowest UV index in Mammoth Lakes, California, are January through April, October through December, with an average maximum UV index of 2.

How high is the UV index in April in Mammoth Lakes?

In April, the average daily maximum UV index in Mammoth Lakes, California, is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to the Sun's UV rays.

Average temperature in April
Mammoth Lakes, CA

Average temperature in April - Mammoth Lakes, CA
  • Average high temperature in April: 44.6°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 April: 24.1°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 April
Mammoth Lakes, CA

Average pressure in April - Mammoth Lakes, CA
  • Average pressure in April: 29.98"

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 April
Mammoth Lakes, CA

Average wind speed in April - Mammoth Lakes, CA
  • Average wind speed in April: 6.6mph

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 April
Mammoth Lakes, CA

Average humidity in April - Mammoth Lakes, CA
  • Average humidity in April: 67%

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 April
Mammoth Lakes, CA

Average rainfall in April - Mammoth Lakes, CA
  • Average rainfall in April: 0.51"

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 April
Mammoth Lakes, CA

Average rainfall days in April - Mammoth Lakes, CA
  • Average rainfall days in April: 6.3 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 April
Mammoth Lakes, CA

Average snowfall in April - Mammoth Lakes, CA
  • Average snowfall in April: 3.39"

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 April
Mammoth Lakes, CA

Average snowfall days in April - Mammoth Lakes, CA
  • Average snowfall days in April: 7.1 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 April /
Average sunshine in April
Mammoth Lakes, CA

Average daylight in April / Average sunshine in April - Mammoth Lakes, CA
  • Average daylight in April: 13.2h

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 April: 10.9h

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 April
Mammoth Lakes, CA

Average sunshine days in April - Mammoth Lakes, CA
  • Average sunshine days in April: 19.8 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 April
Mammoth Lakes, CA

Average UV index in April - Mammoth Lakes, CA
  • Average UV index in April: 2

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 April
Mammoth Lakes, CA

Average cloud cover in April - Mammoth Lakes, CA
  • Average cloud cover in April: 24

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 April
Mammoth Lakes, CA

Average visibility in April - Mammoth Lakes, CA
  • Average visibility in April: 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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