Monthly weather forecast and climate
Mammoth Lakes, CA

Contents

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

Weather in January

January is the coldest month, with an average high-temperature of 40.1°F (4.5°C) and an average low-temperature of 14.7°F (-9.6°C). January is the month with the most rainfall. Weather in January »

Weather in February

The average high-temperature, in February, is 40.3°F (4.6°C), while the average low-temperature is 15.6°F (-9.1°C). In February, the rain falls for 9 days. Weather in February »

Weather in March

In Mammoth Lakes, the average high-temperature is 44.4°F (6.9°C), and the average low-temperature is 20.5°F (-6.4°C). In Mammoth Lakes, it is raining for 6 days, with typically 2.4" (61mm) of accumulated precipitation. Weather in March »

Weather in April

In April, the average high-temperature is 50.4°F (10.2°C), and the average low-temperature is 25.5°F (-3.6°C). In Mammoth Lakes, during April, the rain falls for 7 days and regularly aggregates up to 1.5" (39.1mm) of precipitation. Weather in April »

Weather in May

The average high-temperature, in May, is 60.3°F (15.7°C), while the average low-temperature is 33.1°F (0.6°C). In Mammoth Lakes, during 5 rainfall days, 1.2" (29.7mm) of precipitation is typically accumulated. Weather in May »

Weather in June

In June, the average high-temperature is 69.4°F (20.8°C), and the average low-temperature is 39.9°F (4.4°C). In Mammoth Lakes, during June, the rain falls for 3 days and regularly aggregates up to 0.6" (14.2mm) of precipitation. Weather in June »

Weather in July

With an average high-temperature of 77.7°F (25.4°C) and an average low-temperature of 45.3°F (7.4°C), July is the warmest month. In Mammoth Lakes, during July, the rain falls for 3 days and regularly aggregates up to 0.5" (13mm) of precipitation. Weather in July »

Weather in August

In Mammoth Lakes, the average high-temperature is 76.8°F (24.9°C), and the average low-temperature is 44.8°F (7.1°C). The month with the least rainfall is August when the rain falls for 2 days and typically collects 0.3" (7.9mm) of precipitation. Weather in August »

Weather in September

The average high-temperature, in Mammoth Lakes, is 69.4°F (20.8°C), while the average low-temperature is 37.6°F (3.1°C). In Mammoth Lakes, during September, the rain falls for 2 days and regularly aggregates up to 0.4" (9.4mm) of precipitation. Weather in September »

Weather in October

In October, the average high-temperature is 59.4°F (15.2°C), and the average low-temperature is 28.8°F (-1.8°C). In Mammoth Lakes, during October, the rain falls for 4 days and regularly aggregates up to 1.5" (38.4mm) of precipitation. Weather in October »

Weather in November

In Mammoth Lakes, the average high-temperature is 47.5°F (8.6°C), and the average low-temperature is 21.4°F (-5.9°C). In Mammoth Lakes, it is raining for 5 days, with typically 2.1" (53.1mm) of accumulated precipitation. Weather in November »

Weather in December

In December, in Mammoth Lakes, the average high-temperature is 41.2°F (5.1°C), and the average low-temperature is 16.5°F (-8.6°C). In Mammoth Lakes, it is raining for 8 days, with typically 4.1" (104.9mm) of accumulated precipitation. Weather in December »

FAQ

What is the coldest month in Mammoth Lakes?

The coldest month in Mammoth Lakes is January, with an average high-temperature of 40.1°F (4.5°C) and an average low-temperature of 14.7°F (-9.6°C).

How many days does it rain in Mammoth Lakes?

In Mammoth Lakes, during the entire year, the rain falls for 63 days and collects up to 23" (583.3mm) of precipitation.

What is the rainiest month in Mammoth Lakes?

January is the month with the most rainfall in Mammoth Lakes, California. Rain falls for 9 days and accumulates 4.6" (116.8mm) of precipitation.

When does it snow in Mammoth Lakes?

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

How much does it snow in Mammoth Lakes?

In Mammoth Lakes, California, during the entire year, snow aggregates up to 206.1" (5235mm).

When are the longest days in Mammoth Lakes?

The month with the longest days is June, with an average of 14.7h of daylight.

What are the months with the highest UV index in Mammoth Lakes?

Months with the highest UV index in Mammoth Lakes, California, are June and July, with an average UV index of 11.

What is the warmest month in Mammoth Lakes?

The warmest month is July, with an average high-temperature of 77.7°F (25.4°C) and an average low-temperature of 45.3°F (7.4°C).

What month has the most sunshine in Mammoth Lakes?

The month with the most sunshine in Mammoth Lakes is July, with an average of 12h of sunshine.

What is the driest month in Mammoth Lakes?

The month with the least rainfall is August when the rain falls for 2 days and typically collects 0.3" (7.9mm) of precipitation.

When does it snow the most in Mammoth Lakes?

The month with the most snowfall in Mammoth Lakes, California, is December when 45.3" (1150.6mm) of snow is typically aggregated.

What is the month with the shortest days in Mammoth Lakes?

The month with the shortest days is December, with an average of 9.6h of daylight.

What is the month with the least sunshine in Mammoth Lakes?

The month with the least sunshine in Mammoth Lakes, California, is December, with an average of 6h of sunshine.

When is the lowest UV index in Mammoth Lakes?

The month with the lowest UV index is December, with an average UV index of 2.

Average temperature
Mammoth Lakes, CA

Average temperature - Mammoth Lakes, CA

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).

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
Mammoth Lakes, CA

Average rainfall - Mammoth Lakes, CA

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
Mammoth Lakes, CA

Average rainfall days - Mammoth Lakes, CA

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
Mammoth Lakes, CA

Average snowfall - Mammoth Lakes, CA

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

Average daylight / Average sunshine
Mammoth Lakes, CA

Average daylight / Average sunshine - Mammoth Lakes, CA

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

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

Average UV index
Mammoth Lakes, CA

Average UV index - Mammoth Lakes, CA

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).

°Celsius°Fahrenheit
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