January weather forecastWindsor, CA
January
Weather in January
January, like December, is another refreshing winter month in Windsor, California, with an average temperature varying between 57.6°F (14.2°C) and 41.4°F (5.2°C).Temperature
The commencement of January introduces an average high-temperature of a still moderate 57.6°F (14.2°C), closely mirroring the preceding month. In Windsor, an average temperature of 41.4°F (5.2°C) is noted during January nights.Humidity
In January, the average relative humidity is 74%.Rainfall
In Windsor, in January, it is raining for 10.6 days, with typically 2.87" (73mm) of accumulated precipitation. In Windsor, during the entire year, the rain falls for 80.5 days and collects up to 17.6" (447mm) of precipitation.Daylight
The average length of the day in January is 9h and 50min.On the first day of the month, sunrise is at 7:28 am and sunset at 5:00 pm. On the last day of January, sunrise is at 7:17 am and sunset at 5:31 pm PST.
Sunshine
In Windsor, the average sunshine in January is 5.7h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In January, a daily UV index of 3 turns into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Windsor, CA
- Average high temperature in January: 57.6°F
The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (55.8°F).
- Average low temperature in January: 41.4°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).
Average pressure in January
Windsor, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in January
Windsor, CA
- Average wind speed in January: 4.8mph
The windiest month (with the highest average wind speed) is May (6.4mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).
Average humidity in January
Windsor, CA
- Average humidity in January: 74%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (58%).
Average rainfall in January
Windsor, CA
- Average rainfall in January: 2.87"
The wettest month (with the highest rainfall) is February (3.78").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Windsor, CA
- Average rainfall days in January: 10.6 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (1 days).
Average daylight in January /
Average sunshine in January
Windsor, CA
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in January
Windsor, CA
- Average sunshine days in January: 19.2 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (15.3 days).
Average UV index in January
Windsor, 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 January, February, November and December (UV index 3).
Average cloud cover in January
Windsor, CA
- Average cloud cover in January: 37
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in January
Windsor, 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).
