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 onset of May brings with it an average high-temperature of a comfortable 61°F (16.1°C), showing a negligible variation from the month before. Pacifica throughout May, records an average low-temperature of 51.4°F (10.8°C).Humidity
In May, the average relative humidity is 79%.Rainfall
In Pacifica, during May, the rain falls for 7 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Pacifica, California, during the entire year, the rain falls for 77.3 days and collects up to 6.81" (173mm) of precipitation.Daylight
In Pacifica, 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, sunrise is at 5:50 am and sunset at 8:25 pm PDT.
Sunshine
In May, the average sunshine in Pacifica is 9.7h.UV index
In Pacifica, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the average May temperature in Pacifica?
What is the average humidity in May in Pacifica?
How much does it rain in Pacifica in May?
How many hours of daylight does Pacifica have in May?
When are sunrise and sunset in May in Pacifica?
How long on average sun shines in May in Pacifica?
What is the UV index intensity in May in Pacifica?
Average temperature in May
Pacifica, CA
- Average high temperature in May: 61°F
The warmest month (with the highest average high temperature) is September (67.5°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is September (56.8°F).
The coldest months (with the lowest average low temperature) are January and February (48.7°F).
Average pressure in May
Pacifica, CA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in May
Pacifica, CA
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are August and September (6.8mph).
Average humidity in May
Pacifica, CA
- Average humidity in May: 79%
The month with the highest relative humidity is August (82%).
The months with the lowest relative humidity are November and December (72%).
Average rainfall in May
Pacifica, CA
- Average rainfall in May: 0.39"
The wettest month (with the highest rainfall) is February (1.34").
The driest months (with the least rainfall) are June, July and September (0.12").
Average rainfall days in May
Pacifica, CA
- Average rainfall days in May: 7 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is September (3.6 days).
Average daylight in May /
Average sunshine in May
Pacifica, 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: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in May
Pacifica, CA
- Average sunshine days in May: 20.3 days
The month with the most sunshine days is October (24.5 days).
The month with the least sunshine days is August (18.7 days).
Average UV index in May
Pacifica, CA
- Average UV index in May: 4
The months with the highest UV index are June, August and September (UV index 5).
The months with the lowest UV index are February and December (UV index 3).
Average cloud cover in May
Pacifica, CA
- Average cloud cover in May: 33
The month with the most cloud cover is March (Cloud cover 39).
The months with the least cloud cover are September and October (Cloud cover 21).
Average visibility in May
Pacifica, 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).
Pacifica, California, USA
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