Monthly weather forecast and climate
Mountain Pass, CA

Weather in January

January, like December, in Mountain Pass, California, is a cool winter month, with average temperature fluctuating between 39.4°F (4.1°C) and 53.1°F (11.7°C). In Mountain Pass, the average high-temperature in January is practically the same as in December - a still fresh 53.1°F (11.7°C). Weather in January »

Weather in February

February, the last month of the winter, in Mountain Pass, is a mild month, with temperature in the range of an average high of 57.4°F (14.1°C) and an average low of 42.1°F (5.6°C). In February, the average high-temperature is essentially the same as in January - a mild 57.4°F (14.1°C). Weather in February »

Weather in March

March, the first month of the spring, in Mountain Pass, is an enjoyable month, with average temperature ranging between min 48.9°F (9.4°C) and max 66°F (18.9°C). In Mountain Pass, the average high-temperature in March slightly increases, from a moderate 57.4°F (14.1°C) in February, to a comfortable 66°F (18.9°C). Weather in March »

Weather in April

April is a pleasant spring month in Mountain Pass, California, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 54.5°F (12.5°C). In April, the average high-temperature marginally rises, from an enjoyable 66°F (18.9°C) in March, to an agreeable 73°F (22.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Mountain Pass, California, with average temperature ranging between min 62.2°F (16.8°C) and max 81.7°F (27.6°C). In May, the average high-temperature marginally rises, from a pleasant 73°F (22.8°C) in April, to a warm 81.7°F (27.6°C). Weather in May »

Weather in June

June, the first month of the summer, in Mountain Pass, is a tropical month, with average temperature ranging between min 72.5°F (22.5°C) and max 94.6°F (34.8°C). In Mountain Pass, the average high-temperature rises, from a warm 81.7°F (27.6°C) in May, to a hot 94.6°F (34.8°C). Weather in June »

Weather in July

July in Mountain Pass, California, is a torrid summer month, with average temperature varying between 78.4°F (25.8°C) and 98.4°F (36.9°C). The warmest month is July, with an average high-temperature of 98.4°F (36.9°C) and an average low-temperature of 78.4°F (25.8°C). Weather in July »

Weather in August

August, the last month of the summer, in Mountain Pass, is another torrid month, with average temperature fluctuating between 78.4°F (25.8°C) and 97.3°F (36.3°C). In August, the average high-temperature is almost the same as in July - a still torrid 97.3°F (36.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a hot month in Mountain Pass, California, with average temperature ranging between min 71.2°F (21.8°C) and max 88.9°F (31.6°C). In Mountain Pass, California, the average high-temperature slightly decreases, from a very hot 97.3°F (36.3°C) in August, to a tropical 88.9°F (31.6°C). Weather in September »

Weather in October

October, like September, in Mountain Pass, California, is another warm autumn month, with average temperature fluctuating between 75.2°F (24°C) and 59.4°F (15.2°C). In October, the average high-temperature drops, from a tropical 88.9°F (31.6°C) in September, to a warm 75.2°F (24°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Mountain Pass, California, with average temperature varying between 62.4°F (16.9°C) and 47.3°F (8.5°C). In Mountain Pass, California, the average high-temperature drops, from a warm 75.2°F (24°C) in October, to an enjoyable 62.4°F (16.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Mountain Pass, California, with average temperature varying between 38.8°F (3.8°C) and 50.9°F (10.5°C). December is the coldest month, with an average high-temperature of 50.9°F (10.5°C) and an average low-temperature of 38.8°F (3.8°C). Weather in December »
[Resources]

FAQ

What is the most humid month in Mountain Pass?

January is the most humid month, with an average relative humidity of 47%.

How much does it rain in Mountain Pass?

In Mountain Pass, California, during the entire year, the rain falls for 42.9 days and collects up to 3.23" (82mm) of precipitation.

How much does it snow in Mountain Pass?

In Mountain Pass, during the entire year, snow aggregates up to 0.24" (6mm).

When it does not snow in Mountain Pass?

In Mountain Pass, California, snow does not fall in January, March through December.

When does it snow in Mountain Pass?

February is the only month when snow falls in Mountain Pass.

When does it snow the most in Mountain Pass?

February is the month with the most snowfall in Mountain Pass. Snow falls for 0.3 days and accumulates 0.24" (6mm) of snow.

What is the least humid month in Mountain Pass?

The least humid month in Mountain Pass is June, with an average relative humidity of 15%.

What is the driest month in Mountain Pass?

June is the month with the least rainfall. Rain falls for 0.9 days and accumulates 0.04" (1mm) of precipitation.

When are the longest days in Mountain Pass?

June has the longest days of the year in Mountain Pass, with an average of 14.5h of daylight.

What is the month with the highest UV index in Mountain Pass?

Months with the highest UV index are June through August, with an average maximum UV index of 8.

What is the warmest month in Mountain Pass?

The warmest month is July, with an average high-temperature of 98.4°F (36.9°C) and an average low-temperature of 78.4°F (25.8°C).

What is the rainiest month in Mountain Pass?

Months with the most rainfall in Mountain Pass are July and August, with an average 0.55" (14mm) of precipitation.

What month has the most sunshine in Mountain Pass?

August has the most sunshine of the year in Mountain Pass, California, with an average of 12.2h of sunshine.

What is the coldest month in Mountain Pass?

December is the coldest month in Mountain Pass, California, with an average high-temperature of 50.9°F (10.5°C) and an average low-temperature of 38.8°F (3.8°C).

What is the month with the shortest days in Mountain Pass?

December has the shortest days of the year, with an average of 9.8h of daylight.

What is the month with the least sunshine in Mountain Pass?

The month with the least sunshine is December, with an average of 7h of sunshine.

When is the lowest UV index in Mountain Pass?

December is the month with the lowest UV index in Mountain Pass, with an average maximum UV index of 2.

Average temperature
Mountain Pass, CA

Average temperature - Mountain Pass, CA

The warmest month (with the highest average high temperature) is July (98.4°F).
The month with the lowest average high temperature is December (50.9°F).

Months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is December (38.8°F).

[Resources]

Average pressure
Mountain Pass, CA

Average pressure - Mountain Pass, CA

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.76").

[Resources]

Average wind speed
Mountain Pass, CA

Average wind speed - Mountain Pass, CA

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).

[Resources]

Average rainfall
Mountain Pass, CA

Average rainfall - Mountain Pass, CA

The wettest months (with the highest rainfall) are July and August (0.55").
The driest month (with the least rainfall) is June (0.04").

[Resources]

Average rainfall days
Mountain Pass, CA

Average rainfall days - Mountain Pass, CA

The month with the highest number of rainy days is July (6.1 days).
The month with the least rainy days is June (0.9 days).

[Resources]

Average snowfall
Mountain Pass, CA

Average snowfall - Mountain Pass, CA

The month with the highest snowfall is February (0.24").
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

[Resources]

Average snowfall days
Mountain Pass, CA

Average snowfall days - Mountain Pass, CA

The month with the highest number of snowfall days is February (0.3 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

[Resources]

Average daylight / Average sunshine
Mountain Pass, CA

Average daylight / Average sunshine - Mountain Pass, CA

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 7h).

[Resources]

Average sunshine days
Mountain Pass, CA

Average sunshine days - Mountain Pass, CA

The month with the most sunshine days is June (27.6 days).
The month with the least sunshine days is July (18.7 days).

[Resources]

Average visibility
Mountain Pass, CA

Average visibility - Mountain Pass, CA

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).

[Resources]