April weather forecastBelmont, CA
April
Weather in April
April is a refreshing spring month in Belmont, California, with an average temperature fluctuating between 48°F (8.9°C) and 62.6°F (17°C).Temperature
As Belmont welcomes April, the average high-temperature is noted at a still refreshing 62.6°F (17°C), closely aligning with the preceding month. During the nights in April, Belmont experiences a consistent average temperature of 48°F (8.9°C).Humidity
In Belmont, the average relative humidity in April is 73%.Rainfall
In April, the rain falls for 8.1 days. Throughout April, 0.67" (17mm) of precipitation is accumulated. In Belmont, during the entire year, the rain falls for 77.5 days and collects up to 11.22" (285mm) of precipitation.Daylight
In Belmont, the average length of the day in April is 13h and 11min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:32 pm. On the last day of April, sunrise is at 6:13 am and sunset at 7:58 pm PDT.
Sunshine
In Belmont, the average sunshine in April is 10.3h.UV index
In Belmont, California, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 4 in April leads to these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Belmont, CA
- Average high temperature in April: 62.6°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.9°F).
- Average low temperature in April: 48°F
The month with the highest average low temperature is September (56.7°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in April
Belmont, CA
- Average pressure in April: 30.04"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 April
Belmont, CA
- Average wind speed in April: 7.5mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is October (5.5mph).
Average humidity in April
Belmont, CA
- Average humidity in April: 73%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).
Average rainfall in April
Belmont, CA
- Average rainfall in April: 0.67"
The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in April
Belmont, CA
- Average rainfall days in April: 8.1 days
The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is July (1.8 days).
Average daylight in April /
Average sunshine in April
Belmont, 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 18min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in April
Belmont, CA
- Average sunshine days in April: 20.2 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (16.3 days).
Average UV index in April
Belmont, CA
- Average UV index in April: 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 April
Belmont, CA
- Average cloud cover in April: 27
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in April
Belmont, 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).
