Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The shift from April to May is characterized by an average high-temperature of a pleasant 71.6°F (22°C), not significantly different from the 66.6°F (19.2°C) of April. A steady average of 47.7°F (8.7°C) throughout May underscores a considerable divergence from the daytime high.Humidity
In Windsor, the average relative humidity in May is 67%.Rainfall
In Windsor, during May, the rain falls for 5.8 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Windsor, during the entire year, the rain falls for 80.5 days and collects up to 17.6" (447mm) of precipitation.Daylight
In May, the average length of the day is 14h and 17min.On the first day of May, sunrise is at 6:12 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:29 pm PDT.
Sunshine
In Windsor, California, the average sunshine in May is 10.5h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How much does it rain in May?
How many hours of daylight does Windsor have in May?
When are sunrise and sunset in May in Windsor?
How many hours of sunshine does Windsor have in May?
How high is the UV index in May?
Average temperature in May
Windsor, CA
- Average high temperature in May: 71.6°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 May: 47.7°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 May
Windsor, CA
- Average pressure in May: 29.98"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 May
Windsor, CA
- Average wind speed in May: 6.4mph
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 May
Windsor, CA
- Average humidity in May: 67%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (58%).
Average rainfall in May
Windsor, CA
- Average rainfall in May: 0.91"
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 May
Windsor, CA
- Average rainfall days in May: 5.8 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 May /
Average sunshine in May
Windsor, CA
- Average daylight in May: 14h and 2min
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 May: 10h and 3min
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 May
Windsor, CA
- Average sunshine days in May: 23.3 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 May
Windsor, CA
- Average UV index in May: 5
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 May
Windsor, CA
- Average cloud cover in May: 27
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 May
Windsor, CA
- Average visibility in May: 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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