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
Campbell sees the arrival of April with an average high-temperature of a still enjoyable 66°F (18.9°C), indicating a subtle variation from March. April brings Campbell a consistent average low-temperature of 45.5°F (7.5°C).Humidity
The average relative humidity in April is 70%.Rainfall
In Campbell, during April, the rain falls for 7.2 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 68.6 rainfall days, and 11.57" (294mm) of precipitation is accumulated.Daylight
In Campbell, the average length of the day in April is 13h and 11min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:30 pm. On the last day of April, sunrise is at 6:12 am and sunset at 7:56 pm PDT.
Sunshine
In April, the average sunshine in Campbell is 10.4h.UV index
In Campbell, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 5 in April translates into the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
How many hours of daylight does Campbell have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Campbell have in April?
What is the UV index reading in April in Campbell?
Average temperature in April
Campbell, CA
- Average high temperature in April: 66°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (56.7°F).
- Average low temperature in April: 45.5°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).
Average pressure in April
Campbell, CA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June and September (29.92"Hg).
Average wind speed in April
Campbell, CA
- Average wind speed in April: 5.9mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are August, September, October and November (4.5mph).
Average humidity in April
Campbell, CA
- Average humidity in April: 70%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (62%).
Average rainfall in April
Campbell, CA
- Average rainfall in April: 0.75"
The wettest month (with the highest rainfall) is February (2.2").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in April
Campbell, CA
- Average rainfall days in April: 7.2 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (0.9 days).
Average daylight in April /
Average sunshine in April
Campbell, 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 2min
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
Campbell, CA
- Average sunshine days in April: 21.5 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (17.3 days).
Average UV index in April
Campbell, 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
Campbell, 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 6).
Average visibility in April
Campbell, 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).
Campbell, California, USA
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