April weather forecastSunol, CA
April
Weather in April
April, like March, in Sunol, California, is another comfortable spring month, with temperature in the range of an average high of 67.5°F (19.7°C) and an average low of 45.1°F (7.3°C).Temperature
Sunol's weather in April, with an average high-temperature of a still refreshing 67.5°F (19.7°C), subtly shifts from March's 62.2°F (16.8°C). Despite considerable daily temperature swings, a steady low-temperature average of 45.1°F (7.3°C) is noted in Sunol, California throughout April.Humidity
In April, the average relative humidity in Sunol, California, is 68%.Rainfall
In Sunol, California, in April, during 7.3 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, in Sunol, California, there are 70.2 rainfall days, and 10.98" (279mm) of precipitation is accumulated.Daylight
In April, the average length of the day in Sunol, California, is 13h and 12min.On the first day of April in Sunol, sunrise is at 6:51 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:57 pm PDT.
Sunshine
In April, the average sunshine in Sunol is 10.4h.UV index
In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 5 during April translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sunol, CA
- Average high temperature in April: 67.5°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in April: 45.1°F
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in April
Sunol, CA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in April
Sunol, CA
- Average wind speed in April: 5.9mph
The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
Average humidity in April
Sunol, CA
- Average humidity in April: 68%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (56%).
Average rainfall in April
Sunol, CA
- Average rainfall in April: 0.71"
The wettest month (with the highest rainfall) is February (2.05").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in April
Sunol, CA
- Average rainfall days in April: 7.3 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (0.9 days).
Average daylight in April /
Average sunshine in April
Sunol, 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 24min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in April
Sunol, CA
- Average sunshine days in April: 22.1 days
The month with the most sunshine days is August (29 days).
The month with the least sunshine days is March (17.6 days).
Average UV index in April
Sunol, CA
- Average UV index in April: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Sunol, CA
- Average cloud cover in April: 26
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in April
Sunol, 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).
