April weather forecastBelvedere, CA
April
Weather in April
April is a refreshing spring month in Belvedere, California, with an average temperature varying between 62.2°F (16.8°C) and 48.6°F (9.2°C).Temperature
As April takes its course, Belvedere's average high-temperature registers at a still refreshing 62.2°F (16.8°C), closely aligning with the preceding month. Throughout April, Belvedere experiences a low-temperature average of 48.6°F (9.2°C).Humidity
In April, the average relative humidity is 74%.Rainfall
In Belvedere, in April, during 6.3 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. Throughout the year, there are 64.2 rainfall days, and 4.8" (122mm) of precipitation is accumulated.Ocean temperature
The months with the coldest seawater are April through June, with an average ocean temperature of 53.1°F (11.7°C).Note: It is advised against swimming in 53.1°F (11.7°C) when it drops below 50°F (10°C). Such temperatures can cause extreme cold shock, leading to hyperventilation.
Daylight
In April, the average length of the day is 13h and 13min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:33 pm. On the last day of April, sunrise is at 6:13 am and sunset at 8:00 pm PDT.
Sunshine
In April, the average sunshine is 10.1h.UV index
April, June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 5 in April transforms into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Belvedere, CA
- Average high temperature in April: 62.2°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 April: 48.6°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 April
Belvedere, CA
- Average pressure in April: 30.03"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 April
Belvedere, CA
- Average wind speed in April: 7.8mph
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 April
Belvedere, CA
- Average humidity in April: 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 April
Belvedere, CA
- Average rainfall in April: 0.24"
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 April
Belvedere, CA
- Average rainfall days in April: 6.3 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 April
Belvedere, CA
- Average sea temperature in April: 53°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 April /
Average sunshine in April
Belvedere, CA
- Average daylight in April: 13h 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 April: 10h and 6min
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 April
Belvedere, CA
- Average sunshine days in April: 22.3 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 April
Belvedere, CA
- Average UV index in April: 5
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 April
Belvedere, CA
- Average cloud cover in April: 29
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 April
Belvedere, CA
- Average visibility in April: 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).





