January weather forecastUniversity Heights, CA
January
Weather in January
January in University Heights, California, is a comfortable winter month, with an average temperature fluctuating between 44.2°F (6.8°C) and 62.4°F (16.9°C).Temperature
The high-temperature average in January for University Heights is an enjoyable 62.4°F (16.9°C), staying closely aligned with December's conditions. In University Heights, the expected average low-temperature for January is a chilly 44.2°F (6.8°C).Humidity
In January, the average relative humidity is 48%.Rainfall
In January, the rain falls for 4.8 days. Throughout January, 0.59" (15mm) of precipitation is accumulated. Throughout the year, there are 43.5 rainfall days, and 5.43" (138mm) of precipitation is accumulated.Snowfall
In University Heights, snow does not fall in January, March through December.Daylight
The average length of the day in January is 10h and 11min.On the first day of January, sunrise is at 6:55 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 5:18 pm PST.
Sunshine
In January, the average sunshine is 7.1h.UV index
In University Heights, the average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 during January leads to these advisories:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
University Heights, CA
- Average high temperature in January: 62.4°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is December (59.9°F).
- Average low temperature in January: 44.2°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).
Average pressure in January
University Heights, CA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
University Heights, CA
- Average wind speed in January: 5.4mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in January
University Heights, CA
- Average humidity in January: 48%
The months with the highest relative humidity are February and March (52%).
The month with the lowest relative humidity is August (38%).
Average rainfall in January
University Heights, CA
- Average rainfall in January: 0.59"
The wettest months (with the highest rainfall) are February and December (1.14").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
University Heights, CA
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is December (5.5 days).
The month with the least rainy days is June (1.3 days).
Average snowfall days in January
University Heights, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.1 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
University Heights, CA
- Average daylight in January: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 7h and 6min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in January
University Heights, CA
- Average sunshine days in January: 25.1 days
The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is February (22.6 days).
Average UV index in January
University Heights, CA
- Average UV index in January: 4
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
University Heights, CA
- Average cloud cover in January: 19
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
University Heights, 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).
