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
South San Gabriel's average high-temperature in May is a warm 75°F (23.9°C), marking an insignificant difference from the 72.3°F (22.4°C) of April. The month of May records an average low-temperature of 54.7°F (12.6°C).Humidity
The average relative humidity in May is 58%.Rainfall
In South San Gabriel, in May, during 3.7 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, there are 43 rainfall days, and 6.06" (154mm) of precipitation is accumulated.Daylight
The average length of the day in May in South San Gabriel is 13h and 57min.On the first day of May, sunrise is at 6:02 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 7:58 pm PDT.
Sunshine
The average sunshine in May in South San Gabriel is 11.6h.UV index
The average daily maximum UV index in May in South San Gabriel is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in South San Gabriel?
What is the average humidity in May in South San Gabriel?
How many days does it rain in May in South San Gabriel?
How many hours of daylight does South San Gabriel have in May?
When are sunrise and sunset in May in South San Gabriel?
How many hours of sunshine does South San Gabriel have in May?
How high is the UV index in May in South San Gabriel?
Average temperature in May
South San Gabriel, CA
- Average high temperature in May: 75°F
The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is December (63.5°F).
- Average low temperature in May: 54.7°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (47.5°F).
Average pressure in May
South 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
South San Gabriel, CA
- Average wind speed in May: 5.6mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest months (with the lowest average wind speed) are September and October (4.5mph).
Average humidity in May
South 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
South San Gabriel, CA
- Average rainfall in May: 0.16"
The wettest month (with the highest rainfall) is February (1.3").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
South San Gabriel, CA
- Average rainfall days in May: 3.7 days
The month with the highest number of rainy days is March (5.5 days).
The month with the least rainy days is June (1.2 days).
Average daylight in May /
Average sunshine in May
South San Gabriel, 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 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
South San Gabriel, CA
- Average sunshine days in May: 25.7 days
The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is February (22.2 days).
Average UV index in May
South 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
South San Gabriel, CA
- Average cloud cover in May: 14
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in May
South 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).
South San Gabriel, California, USA
Weather forecast for your location
2. Allow the app to use your location