Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The average high-temperature for April is a still refreshing 65.3°F (18.5°C), closely aligning with the temperature of the preceding month. During April, San Leandro witnesses a consistent average low-temperature of 46.9°F (8.3°C).Humidity
The average relative humidity in April is 71%.Rainfall
In San Leandro, during April, the rain falls for 6 days and regularly aggregates up to 0.24" (6mm) of precipitation. In San Leandro, during the entire year, the rain falls for 57.7 days and collects up to 5.71" (145mm) of precipitation.Daylight
In San Leandro, the average length of the day in April is 13h and 12min.On the first day of the month, sunrise is at 6:52 am and sunset at 7:32 pm. On the last day of April, in San Leandro, California, sunrise is at 6:12 am and sunset at 7:58 pm PDT.
Sunshine
The average sunshine in April in San Leandro is 10.5h.UV index
In San Leandro, the average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 5 during April translates into the following guidance:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in San Leandro?
What is the average humidity in April in San Leandro?
How much does it rain in San Leandro in April?
How many hours of daylight does San Leandro have in April?
When are sunrise and sunset in April in San Leandro?
How many hours of sunshine does San Leandro have in April?
What is the UV index intensity in April in San Leandro?
Average temperature in April
San Leandro, CA
- Average high temperature in April: 65.3°F
The warmest months (with the highest average high temperature) are July and September (77.7°F).
The month with the lowest average high temperature is December (55.8°F).
- Average low temperature in April: 46.9°F
The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is January (44.1°F).
Average pressure in April
San Leandro, 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
San Leandro, CA
- Average wind speed in April: 6.6mph
The windiest month (with the highest average wind speed) is May (7mph).
The calmest month (with the lowest average wind speed) is November (4.8mph).
Average humidity in April
San Leandro, CA
- Average humidity in April: 71%
The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are September and October (64%).
Average rainfall in April
San Leandro, CA
- Average rainfall in April: 0.24"
The wettest month (with the highest rainfall) is February (1.26").
The driest months (with the least rainfall) are July, August and September (0.04").
Average rainfall days in April
San Leandro, CA
- Average rainfall days in April: 6 days
The month with the highest number of rainy days is March (10.2 days).
The month with the least rainy days is August (0.7 days).
Average daylight in April /
Average sunshine in April
San Leandro, CA
- Average daylight in April: 13h 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 April: 10h and 3min
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 54min).
Average sunshine days in April
San Leandro, CA
- Average sunshine days in April: 22.7 days
The month with the most sunshine days is July (27.1 days).
The month with the least sunshine days is March (19.1 days).
Average UV index in April
San Leandro, CA
- Average UV index in April: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
San Leandro, CA
- Average cloud cover in April: 26
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in April
San Leandro, 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).
San Leandro, California, USA
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