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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Mountain Pass, California, is a cool winter month, with an average temperature ranging between min 39.4°F (4.1°C) and max 53.1°F (11.7°C). The transition into January is marked with an average high-temperature of a still cool 53.1°F (11.7°C), showing an insignificant shift from December's 50.9°F (10.5°C). Weather in January »
Weather in February
The last month of the winter, February, is a mild month in Mountain Pass, California, with an average temperature fluctuating between 42.1°F (5.6°C) and 57.4°F (14.1°C). As February unfolds, the average high-temperature reaches a moderate 57.4°F (14.1°C), hinting at a slight fluctuation from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a comfortable month in Mountain Pass, California, with an average temperature ranging between min 48.9°F (9.4°C) and max 66°F (18.9°C). As Mountain Pass transitions into March, the average high-temperature is observed to slightly rise from 57.4°F (14.1°C) in February to a still refreshing 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 low of 54.5°F (12.5°C) and an average high of 73°F (22.8°C). April brings a slight rise in Mountain Pass's average high-temperature, moving from a refreshing 66°F (18.9°C) in March to an agreeable 73°F (22.8°C). Weather in April »
Weather in May
May, the last month of the spring in Mountain Pass, is a moderately hot month, with an average temperature fluctuating between 62.2°F (16.8°C) and 81.7°F (27.6°C). Mountain Pass's May weather indicates a minor ascent in high-temperatures, adjusting from an agreeable 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 an average temperature ranging between max 94.6°F (34.8°C) and min 72.5°F (22.5°C). Mountain Pass's transition into June sees a rise in the average high-temperature, advancing from a moderately hot 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 an average temperature varying between 98.4°F (36.9°C) and 78.4°F (25.8°C). In Mountain Pass, temperatures reach their average annual highs in July, measuring 98.4°F (36.9°C) and a minimum average of 78.4°F (25.8°C). Weather in July »
Weather in August
August, the last month of the summer in Mountain Pass, is also a sweltering month, with an average temperature ranging between min 78.4°F (25.8°C) and max 97.3°F (36.3°C). August observes an average high-temperature of a still sweltering 97.3°F (36.3°C), marking an insignificant difference from July's 98.4°F (36.9°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a hot month in Mountain Pass, California, with an average temperature ranging between max 88.9°F (31.6°C) and min 71.2°F (21.8°C). The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a very hot 97.3°F (36.3°C) to a tropical 88.9°F (31.6°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Mountain Pass, California, with an average temperature ranging between max 75.2°F (24°C) and min 59.4°F (15.2°C). October implies a gentle temperature shift, with average high-temperatures reducing from September's hot 88.9°F (31.6°C) to a moderately hot 75.2°F (24°C). Weather in October »
Weather in November
November, the last month of the autumn in Mountain Pass, is also an enjoyable month, with an average temperature ranging between min 47.3°F (8.5°C) and max 62.4°F (16.9°C). November indicates a shift in the average high-temperature, from October's moderately hot 75.2°F (24°C) to a comfortable 62.4°F (16.9°C). Weather in November »
Weather in December
December, the first month of the winter in Mountain Pass, is still a cool month, with temperature in the range of an average high of 50.9°F (10.5°C) and an average low of 38.8°F (3.8°C). December, with its average high-temperature of 50.9°F (10.5°C) and an average low-temperature of 38.8°F (3.8°C), holds the record as the coldest month. Weather in December »
Updated: Aug 6, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the most humid month?
With an average relative humidity of 47%, January is the most humid month.
How many days does it rain?
In Mountain Pass, California, during the entire year, the rain falls for 42.9 days and collects up to 3.23" (82mm) of precipitation.
When it does not snow?
In Mountain Pass, snow does not fall in January, March through December.
How much does it snow?
Throughout the year, 0.24" (6mm) of snow is accumulated.
When does it snow in Mountain Pass?
The only month with snowfall is February.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 0.3 days and typically aggregates up to 0.24" (6mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
What is the least humid month?
June is the least humid month, with an average relative humidity of 15%.
What is the driest month?
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?
June has the longest days of the year, with an average of 14h and 30min of daylight.
What are the months with the highest UV index?
The months with the highest UV index in Mountain Pass are June through August, with an average maximum UV index of 8.
What time of the year is the hottest?
July tends to be the warmest month, with temperatures averaging a daily high of 98.4°F (36.9°C) and a low of 78.4°F (25.8°C).
What is the rainiest month in Mountain Pass?
The wettest months are July and August, with an average 0.55" (14mm) of rainfall.
What month has the most sunshine?
August has the most sunshine of the year, with an average of 12.2h of sunshine.
What time of the year is the coldest?
Mountain Pass's coldest month, December, registers temperatures that range from a high of 50.9°F (10.5°C) to a low of 38.8°F (3.8°C).
What is the month with the shortest days in Mountain Pass?
The month with the shortest days is December, with an average of 9h and 48min of daylight.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 7h of sunshine.
When is the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 2.
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).
The 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).
Average pressure
Mountain Pass, CA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
29.96"Hg - Average pressure in April:
29.87"Hg - Average pressure in May:
29.81"Hg - Average pressure in June:
29.76"Hg
- Average pressure in July:
29.83"Hg - Average pressure in August:
29.83"Hg - Average pressure in September:
29.85"Hg - Average pressure in October:
29.93"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).
Average wind speed
Mountain Pass, CA
- Average wind speed in January:
5.4mph - Average wind speed in February:
6.3mph - Average wind speed in March:
8mph - Average wind speed in April:
8.8mph - Average wind speed in May:
8.5mph - Average wind speed in June:
8.6mph
- Average wind speed in July:
7.3mph - Average wind speed in August:
7.1mph - Average wind speed in September:
6.6mph - Average wind speed in October:
6.3mph - Average wind speed in November:
5.8mph - Average wind speed in December:
5.7mph
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).
Average humidity
Mountain Pass, CA
The month with the highest relative humidity is January (47%).
The month with the lowest relative humidity is June (15%).
Average rainfall
Mountain Pass, CA
- Average rainfall in January:
0.2" - Average rainfall in February:
0.31" - Average rainfall in March:
0.24" - Average rainfall in April:
0.16" - Average rainfall in May:
0.16" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.55" - Average rainfall in August:
0.55" - Average rainfall in September:
0.28" - Average rainfall in October:
0.16" - Average rainfall in November:
0.28" - Average rainfall in December:
0.31"
The wettest months (with the highest rainfall) are July and August (0.55").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
Mountain Pass, CA
- Average rainfall days in January:
3.4 days - Average rainfall days in February:
3.7 days - Average rainfall days in March:
4.8 days - Average rainfall days in April:
3.5 days - Average rainfall days in May:
2.8 days - Average rainfall days in June:
0.9 days
- Average rainfall days in July:
6.1 days - Average rainfall days in August:
4.8 days - Average rainfall days in September:
4 days - Average rainfall days in October:
2.9 days - Average rainfall days in November:
2.1 days - Average rainfall days in December:
3.9 days
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).
Average snowfall
Mountain Pass, CA
The month with the highest snowfall is February (0.24").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Mountain Pass, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Mountain Pass, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 3min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
7h and 1min - Average sunshine in February:
7h and 1min - Average sunshine in March:
8h and 5min - Average sunshine in April:
11h and 3min - Average sunshine in May:
11h and 5min - Average sunshine in June:
12h and 1min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 1min - Average sunshine in September:
10h and 2min - Average sunshine in October:
9h and 2min - Average sunshine in November:
7h and 2min - Average sunshine in December:
7h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days
Mountain Pass, CA
- Average sunshine days in January:
26.2 days - Average sunshine days in February:
23.9 days - Average sunshine days in March:
26.1 days - Average sunshine days in April:
26.1 days - Average sunshine days in May:
25.1 days - Average sunshine days in June:
27.6 days
- Average sunshine days in July:
18.7 days - Average sunshine days in August:
20.8 days - Average sunshine days in September:
22.7 days - Average sunshine days in October:
26.3 days - Average sunshine days in November:
27.5 days - Average sunshine days in December:
25.6 days
The month with the most sunshine days is June (27.6 days).
The month with the least sunshine days is July (18.7 days).
Average UV index
Mountain Pass, CA
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Mountain Pass, CA
The months with the most cloud cover are January and December (Cloud cover 19).
The months with the least cloud cover are June and August (Cloud cover 6).
Average visibility
Mountain Pass, CA
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).
Mountain Pass, California, USA
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