May weather forecastPinole, CA
May
Weather in May
May, the last month of the spring in Pinole, is a pleasant month, with temperature in the range of an average high of 69.3°F (20.7°C) and an average low of 50.5°F (10.3°C).Temperature
May is marked by an average high-temperature of a pleasant 69.3°F (20.7°C), almost identical to the preceding month. Pinole observes an average low-temperature of 50.5°F (10.3°C) during May.Humidity
In Pinole, the average relative humidity in May is 69%.Rainfall
In Pinole, during May, the rain falls for 4.3 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Pinole, during the entire year, the rain falls for 72.2 days and collects up to 12.83" (326mm) of precipitation.Ocean temperature
In May, the average ocean temperature is 53.1°F (11.7°C).Note: In 53.1°F (11.7°C), cold shock and rapid breathing can occur when swimming at temperatures below 50°F (10°C).
Daylight
The average length of the day in May is 14h and 15min.On the first day of May, sunrise is at 6:11 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:25 pm PDT.
Sunshine
In May, the average sunshine is 10.6h.UV index
April through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Pinole, CA
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is September (77.5°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is August (56.8°F).
The coldest months (with the lowest average low temperature) are January and December (43.9°F).
Average pressure in May
Pinole, 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 June, August and September (29.92"Hg).
Average wind speed in May
Pinole, CA
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is May (7.5mph).
The calmest month (with the lowest average wind speed) is November (4.8mph).
Average humidity in May
Pinole, CA
- Average humidity in May: 69%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are September and October (63%).
Average rainfall in May
Pinole, CA
- Average rainfall in May: 0.55"
The wettest month (with the highest rainfall) is February (2.76").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in May
Pinole, CA
- Average rainfall days in May: 4.3 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (1.1 days).
Average sea temperature in May
Pinole, CA
- Average sea temperature in May: 53°F
The best month for swimming (with the highest average sea temperature) is September (57°F).
The coldest month (with the lowest average sea temperature) is April (52.6°F).
Average daylight in May /
Average sunshine in May
Pinole, CA
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 10h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in May
Pinole, CA
- Average sunshine days in May: 24.3 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (16.4 days).
Average UV index in May
Pinole, CA
- Average UV index in May: 5
The months with the highest UV index are April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Pinole, CA
- Average cloud cover in May: 26
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in May
Pinole, 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).





