January weather forecastMountain Pass, CA
January
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).Temperature
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). Mountain Pass experiences a mean temperature of 39.4°F (4.1°C) during January nights.Humidity
The most humid month is January, with an average relative humidity of 47%.Rainfall
In Mountain Pass, California, in January, it is raining for 3.4 days, with typically 0.2" (5mm) of accumulated precipitation. Throughout the year, in Mountain Pass, California, there are 42.9 rainfall days, and 3.23" (82mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
The average length of the day in January is 10h and 5min.On the first day of January, sunrise is at 6:51 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 5:08 pm PST.
Sunshine
In Mountain Pass, the average sunshine in January is 7.1h.UV index
The average daily maximum UV index in January is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In January, the maximum UV index of 3 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Mountain Pass, CA
- Average high temperature in January: 53.1°F
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).
- Average low temperature in January: 39.4°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 in January
Mountain Pass, CA
- Average pressure in January: 30.14"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 in January
Mountain Pass, CA
- Average wind speed in January: 5.4mph
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 in January
Mountain Pass, CA
- Average humidity in January: 47%
The month with the highest relative humidity is January (47%).
The month with the lowest relative humidity is June (15%).
Average rainfall in January
Mountain Pass, CA
- Average rainfall in January: 0.2"
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 in January
Mountain Pass, CA
- Average rainfall days in January: 3.4 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 in January
Mountain Pass, CA
- Average snowfall in January: 0"
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 in January
Mountain Pass, CA
- Average snowfall days in January: 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 in January /
Average sunshine in January
Mountain Pass, CA
- Average daylight in January: 10h and 6min
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 6min
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 in January
Mountain Pass, CA
- Average sunshine days in January: 26.2 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 in January
Mountain Pass, CA
- Average UV index in January: 3
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 in January
Mountain Pass, CA
- Average cloud cover in January: 19
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 in January
Mountain Pass, CA
- Average visibility in January: 6mi
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).





