May weather forecastAntioch, CA
May
Weather in May
The last month of the spring, May, is a warm month in Antioch, California, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 75.6°F (24.2°C).Temperature
May's onset is marked by a subtle temperature increase, moving from an agreeable 69.4°F (20.8°C) in April to a moderately hot 75.6°F (24.2°C). May nights in Antioch present a stark temperature decrease to a fresh 50.5°F (10.3°C).Humidity
In May, the average relative humidity is 60%.Rainfall
In Antioch, during May, the rain falls for 4 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Antioch, 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 Antioch.Daylight
The average length of the day in May in Antioch is 14h and 15min.On the first day of May in Antioch, California, sunrise is at 6:09 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:23 pm PDT.
Sunshine
In May, the average sunshine in Antioch is 11.2h.UV index
In Antioch, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 5 in May transforms into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Antioch, 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
Antioch, 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
Antioch, 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
Antioch, 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
Antioch, 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
Antioch, 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
Antioch, 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
Antioch, CA
- Average daylight in May: 14h and 12min
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 12min
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
Antioch, 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
Antioch, 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
Antioch, 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
Antioch, 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).
