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
May
Weather in May
Temperature
Colma's weather in May, with an average high-temperature of a still enjoyable 62.4°F (16.9°C), subtly shifts from April's 61°F (16.1°C). Colma reports a consistent average low-temperature of 51.4°F (10.8°C) throughout May nights.Humidity
In May, the average relative humidity is 77%.Rainfall
In Colma, in May, during 5.6 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Colma, during the entire year, the rain falls for 82.2 days and collects up to 13.62" (346mm) of precipitation.Daylight
In Colma, the average length of the day in May is 14h and 13min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:00 pm. On the last day of May, in Colma, sunrise is at 5:49 am and sunset at 8:25 pm PDT.
Sunshine
In Colma, the average sunshine in May is 10.1h.UV index
In Colma, California, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 4 suggests this advice:
Ensure safety - Sun damage prevention is strongly urged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 are May temperatures?
What is the average humidity in May?
How much does it rain in Colma in May?
How many hours of daylight does Colma have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Colma, CA
- Average high temperature in May: 62.4°F
The warmest month (with the highest average high temperature) is September (69.1°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is February (47.7°F).
Average pressure in May
Colma, CA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.92"Hg).
Average wind speed in May
Colma, CA
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).
Average humidity in May
Colma, CA
- Average humidity in May: 77%
The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Colma, CA
- Average rainfall in May: 0.59"
The wettest month (with the highest rainfall) is February (2.8").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in May
Colma, CA
- Average rainfall days in May: 5.6 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (2.7 days).
Average daylight in May /
Average sunshine in May
Colma, CA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in May
Colma, CA
- Average sunshine days in May: 22.5 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (16.6 days).
Average UV index in May
Colma, CA
- Average UV index in May: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in May
Colma, CA
- Average cloud cover in May: 30
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in May
Colma, 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).