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 start of May brings a subtle rise in the average high-temperature, moving from a pleasant 71.1°F (21.7°C) in April to a moderately hot 79.5°F (26.4°C). Glenn measures a considerable dip from daytime highs with an average low-temperature of 54.3°F (12.4°C) during May.Humidity
The average relative humidity in May in Glenn is 49%.Rainfall
In Glenn, during May, the rain falls for 6.3 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Glenn, during the entire year, the rain falls for 82.1 days and collects up to 17.24" (438mm) of precipitation.Daylight
In Glenn, the average length of the day in May is 14h and 22min.On the first day of the month, sunrise is at 6:07 am and sunset at 8:02 pm. On the last day of May, sunrise is at 5:42 am and sunset at 8:29 pm PDT.
Sunshine
In Glenn, the average sunshine in May is 11.2h.UV index
In May, the average daily maximum UV index in Glenn is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 in May translates into this advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What is the average May temperature in Glenn?
What is the average humidity in May in Glenn?
How many days does it rain in May in Glenn?
How many hours of daylight does Glenn have in May?
When are sunrise and sunset in May in Glenn?
How many hours of sunshine does Glenn have in May?
What is the UV index reading in May in Glenn?
Average temperature in May
Glenn, CA
- Average high temperature in May: 79.5°F
The warmest month (with the highest average high temperature) is July (98.4°F).
The month with the lowest average high temperature is December (54.9°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure in May
Glenn, CA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Glenn, CA
- Average wind speed in May: 6.7mph
The windiest month (with the highest average wind speed) is March (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Glenn, CA
- Average humidity in May: 49%
The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are July and August (32%).
Average rainfall in May
Glenn, CA
- Average rainfall in May: 1.02"
The wettest month (with the highest rainfall) is February (3.19").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in May
Glenn, CA
- Average rainfall days in May: 6.3 days
The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is July (1.6 days).
Average daylight in May /
Average sunshine in May
Glenn, CA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in May
Glenn, CA
- Average sunshine days in May: 24.1 days
The month with the most sunshine days is July (29.5 days).
The month with the least sunshine days is March (16.1 days).
Average UV index in May
Glenn, CA
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in May
Glenn, CA
- Average cloud cover in May: 20
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in May
Glenn, 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).
Glenn, California, USA
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