Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Windsor ushers in January with an average high-temperature of a still refreshing 57.6°F (14.2°C), showing a close resemblance to the previous month. Throughout the month of January, Windsor expects an average low of 41.4°F (5.2°C).Humidity
The average relative humidity in January in Windsor, California, is 74%.Rainfall
In January, in Windsor, California, the rain falls for 10.6 days. Throughout January, 2.87" (73mm) of precipitation is accumulated. Throughout the year, in Windsor, there are 80.5 rainfall days, and 17.6" (447mm) of precipitation is accumulated.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, in Windsor, sunrise is at 7:17 am and sunset at 5:31 pm PST.
Sunshine
The average sunshine in January in Windsor, California, 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 in Windsor. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In January, a daily maximum UV index of 3 leads to the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What are January temperatures in Windsor?
What is the average humidity in January in Windsor?
How much does it rain in Windsor in January?
What is the average length of the day in January in Windsor?
When are sunrise and sunset in January in Windsor?
How long on average sun shines in January in Windsor?
What is the month with the lowest UV index in Windsor?
How high is the UV index in January in Windsor?
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 5min
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 4min
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).
Windsor, California, USA
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