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
In May, the average high-temperature registers at a moderately hot 74.8°F (23.8°C), nearly identical to April's 72.1°F (22.3°C). San Gabriel's nights in May experience an average temperature drop to a fresh 54.5°F (12.5°C).Humidity
The average relative humidity in May in San Gabriel is 58%.Rainfall
In San Gabriel, in May, it is raining for 3.4 days, with typically 0.16" (4mm) of accumulated precipitation. Throughout the year, in San Gabriel, there are 45 rainfall days, and 6.61" (168mm) of precipitation is accumulated.Daylight
In May, the average length of the day is 13h and 57min.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 5:41 am and sunset at 7:58 pm PDT.
Sunshine
In San Gabriel, California, the average sunshine in May is 11.7h.UV index
In May, the average daily maximum UV index 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 ordinary person.Note: In May, a regular UV index of 5 translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in San Gabriel in May?
What is the average humidity in May in San Gabriel?
How much does it rain in San Gabriel in May?
How many hours of daylight does San Gabriel have in May?
What time are sunrise and sunset in May in San Gabriel?
How many hours of sunshine does San Gabriel have in May?
What is the UV index reading in May in San Gabriel?
Average temperature in May
San Gabriel, CA
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is February (47.1°F).
Average pressure in May
San Gabriel, CA
- Average pressure in May: 29.92"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
San Gabriel, CA
- Average wind speed in May: 5.6mph
The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity in May
San Gabriel, CA
- Average humidity in May: 58%
The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (47%).
Average rainfall in May
San Gabriel, CA
- Average rainfall in May: 0.16"
The wettest month (with the highest rainfall) is December (1.34").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
San Gabriel, CA
- Average rainfall days in May: 3.4 days
The month with the highest number of rainy days is March (5.8 days).
The month with the least rainy days is June (1.2 days).
Average daylight in May /
Average sunshine in May
San Gabriel, CA
- Average daylight in May: 14h and 0min
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 4min
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 54min).
Average sunshine days in May
San Gabriel, CA
- Average sunshine days in May: 25.3 days
The month with the most sunshine days is June (27.1 days).
The month with the least sunshine days is February (22.3 days).
Average UV index in May
San Gabriel, 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
San Gabriel, CA
- Average cloud cover in May: 13
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in May
San Gabriel, 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).
San Gabriel, California, USA
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