May weather forecastBelvedere, CA
May
Weather in May
May, the last month of the spring in Belvedere, is another refreshing month, with temperature in the range of an average high of 64.4°F (18°C) and an average low of 50.7°F (10.4°C).Temperature
Belvedere's weather in May, with an average high-temperature of a still refreshing 64.4°F (18°C), subtly shifts from April's 62.2°F (16.8°C). Throughout May, the temperature tends to fall to a consistent average low of 50.7°F (10.4°C).Humidity
In Belvedere, the average relative humidity in May is 74%.Rainfall
In Belvedere, during May, the rain falls for 4.4 days and regularly aggregates up to 0.28" (7mm) of precipitation. In Belvedere, during the entire year, the rain falls for 64.2 days and collects up to 4.8" (122mm) of precipitation.Ocean temperature
April through June, with an average ocean temperature of 53.1°F (11.7°C), are months with the coldest seawater.Note: With an efficient thermal swimsuit, one can navigate 53.1°F (11.7°C) even if it's colder than 50°F (10°C); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 55.4°F (13°C) feels chilly.
Daylight
In May, the average length of the day is 14h and 14min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:00 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:26 pm PDT.
Sunshine
In May, the average sunshine in Belvedere is 10.2h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Belvedere, CA
- Average high temperature in May: 64.4°F
The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in May: 50.7°F
The month with the highest average low temperature is September (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (46.2°F).
Average pressure in May
Belvedere, 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
Belvedere, CA
- Average wind speed in May: 7.9mph
The windiest month (with the highest average wind speed) is May (7.9mph).
The calmest months (with the lowest average wind speed) are October and November (5.7mph).
Average humidity in May
Belvedere, CA
- Average humidity in May: 74%
The months with the highest relative humidity are March and August (76%).
The month with the lowest relative humidity is October (68%).
Average rainfall in May
Belvedere, CA
- Average rainfall in May: 0.28"
The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are June, July, August and September (0.08").
Average rainfall days in May
Belvedere, CA
- Average rainfall days in May: 4.4 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is June (1.9 days).
Average sea temperature in May
Belvedere, CA
- Average sea temperature in May: 53.1°F
The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).
Average daylight in May /
Average sunshine in May
Belvedere, CA
- Average daylight in May: 14h and 12min
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 12min
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
Belvedere, CA
- Average sunshine days in May: 22.2 days
The month with the most sunshine days is October (25 days).
The month with the least sunshine days is March (18.4 days).
Average UV index in May
Belvedere, CA
- Average UV index in May: 4
The months with the highest UV index are April, 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
Belvedere, 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
Belvedere, 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).
