January weather forecastMountain Mesa, CA
January
Weather in January
January is a fresh winter month in Mountain Mesa, California, with an average temperature ranging between max 51.4°F (10.8°C) and min 34.2°F (1.2°C).Temperature
With the arrival of January, Mountain Mesa's average high-temperature registers at a cool 51.4°F (10.8°C), indicating a subtle variation from the previous month. January nights in Mountain Mesa cool down to an average low-temperature of 34.2°F (1.2°C).Humidity
The average relative humidity in January is 59%.Rainfall
January is the month with the most rainfall. Rain falls for 6.8 days and accumulates 2.24" (57mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Mountain Mesa, in January, snow falls for 1.3 days, with typically accumulated 1.77" (45mm) of snow. In Mountain Mesa, during the entire year, snow falls for 9.3 days and aggregates up to 9.65" (245mm) of snow.Daylight
The average length of the day in January is 10h and 4min.On the first day of January, sunrise is at 7:03 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 5:19 pm PST.
Sunshine
The months with the least sunshine are January and February, with an average of 6.4h of sunshine.UV index
The average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 3 during January leads to these instructions:
Exercise prevention - Precautions against solar damage are endorsed. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Mountain Mesa, CA
- Average high temperature in January: 51.4°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is December (49.3°F).
- Average low temperature in January: 34.2°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (32.4°F).
Average pressure in January
Mountain Mesa, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Mountain Mesa, CA
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is May (7.4mph).
The calmest month (with the lowest average wind speed) is September (5.4mph).
Average humidity in January
Mountain Mesa, CA
- Average humidity in January: 59%
The month with the highest relative humidity is February (61%).
The month with the lowest relative humidity is August (31%).
Average rainfall in January
Mountain Mesa, CA
- Average rainfall in January: 2.24"
The wettest month (with the highest rainfall) is January (2.24").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in January
Mountain Mesa, CA
- Average rainfall days in January: 6.8 days
The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is June (1.5 days).
Average snowfall in January
Mountain Mesa, CA
- Average snowfall in January: 1.77"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Mountain Mesa, CA
- Average snowfall days in January: 1.3 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Mountain Mesa, 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: 6h and 24min
The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 6h and 24min).
Average sunshine days in January
Mountain Mesa, CA
- Average sunshine days in January: 22.5 days
The month with the most sunshine days is June (27.4 days).
The month with the least sunshine days is February (19.2 days).
Average UV index in January
Mountain Mesa, CA
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are November and December (UV index 2).
Average cloud cover in January
Mountain Mesa, CA
- Average cloud cover in January: 28
The month with the most cloud cover is March (Cloud cover 31).
The months with the least cloud cover are August and September (Cloud cover 6).
Average visibility in January
Mountain Mesa, 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).





