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 snowfall 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 beginning of May signals a minor rise in the average high-temperature, moving from a pleasant 69.4°F (20.8°C) in April to a moderately hot 75.6°F (24.2°C). A steep decline to a cool 50.5°F (10.3°C) characterizes the May nights in Bethel Island.Humidity
In Bethel Island, the average relative humidity in May is 60%.Rainfall
In Bethel Island, in May, it is raining for 4 days, with typically 0.43" (11mm) of accumulated precipitation. In Bethel Island, during the entire year, the rain falls for 62 days and collects up to 10.16" (258mm) of precipitation.Snowfall
January through November are months without snowfall in Bethel Island.Daylight
The average length of the day in May is 14h and 15min.On the first day of May in Bethel Island, sunrise is at 6:09 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:23 pm PDT.
Sunshine
In Bethel Island, the average sunshine in May is 11.2h.UV index
In May, the average daily maximum UV index in Bethel Island is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 5 in May transforms into this advice:
Exercise prevention - Precautions against solar damage are endorsed. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the average May temperature in Bethel Island?
What is the average humidity in May in Bethel Island?
How much does it rain in Bethel Island in May?
When it does not snow in Bethel Island?
What is the average length of the day in May in Bethel Island?
When are sunrise and sunset in May in Bethel Island?
How many hours of sunshine does Bethel Island have in May?
What is the UV index reading in May in Bethel Island?
Average temperature in May
Bethel Island, CA
- Average high temperature in May: 75.6°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in May
Bethel Island, CA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Bethel Island, CA
- Average wind speed in May: 7.6mph
The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).
Average humidity in May
Bethel Island, CA
- Average humidity in May: 60%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).
Average rainfall in May
Bethel Island, CA
- Average rainfall in May: 0.43"
The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in May
Bethel Island, CA
- Average rainfall days in May: 4 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).
Average snowfall days in May
Bethel Island, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Bethel Island, CA
- Average daylight in May: 14h and 1min
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 36min).
- Average sunshine in May: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in May
Bethel Island, CA
- Average sunshine days in May: 26.6 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).
Average UV index in May
Bethel Island, 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
Bethel Island, CA
- Average cloud cover in May: 19
The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in May
Bethel Island, 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).
Bethel Island, California, USA
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