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 into May reveals an average high-temperature of a moderately hot 73.9°F (23.3°C), closely mirroring April's climate. May is noted for a mean low-temperature of 55.9°F (13.3°C).Humidity
In May, the average relative humidity in Commerce is 60%.Rainfall
In Commerce, in May, during 3.8 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. In Commerce, during the entire year, the rain falls for 48.3 days and collects up to 7.91" (201mm) of precipitation.Daylight
In May, the average length of the day in Commerce, California, is 13h and 56min.On the first day of the month, sunrise is at 6:02 am and sunset at 7:36 pm. On the last day of May, sunrise is at 5:42 am and sunset at 7:58 pm PDT.
Sunshine
In Commerce, the average sunshine in May is 11.3h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health 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 - Obligation exists to protect against skin and eye damage. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Commerce?
What is the average humidity in May in Commerce?
How much does it rain in Commerce in May?
What is the average length of the day in May in Commerce?
When is the sunrise / sunset in May in Commerce?
How many hours of sunshine does Commerce have in May?
What is the UV index reading in May in Commerce?
Average temperature in May
Commerce, CA
- Average high temperature in May: 73.9°F
The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is December (64.4°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (49.3°F).
Average pressure in May
Commerce, CA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Commerce, CA
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.7mph).
Average humidity in May
Commerce, CA
- Average humidity in May: 60%
The month with the highest relative humidity is June (63%).
The month with the lowest relative humidity is November (48%).
Average rainfall in May
Commerce, CA
- Average rainfall in May: 0.24"
The wettest month (with the highest rainfall) is February (1.73").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in May
Commerce, CA
- Average rainfall days in May: 3.8 days
The month with the highest number of rainy days is March (7.2 days).
The months with the least rainy days are June and August (1.3 days).
Average daylight in May /
Average sunshine in May
Commerce, CA
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in May
Commerce, CA
- Average sunshine days in May: 25.1 days
The month with the most sunshine days is August (27.7 days).
The month with the least sunshine days is February (20.6 days).
Average UV index in May
Commerce, CA
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in May
Commerce, CA
- Average cloud cover in May: 17
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in May
Commerce, 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).
Commerce, California, USA
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