April weather forecastCalpella, CA
April
Weather in April
April is an enjoyable spring month in Calpella, California, with temperature in the range of an average high of 63.1°F (17.3°C) and an average low of 41°F (5°C).Temperature
As Calpella, California, enters April, the average high-temperature marginally increases from the a moderate 57.6°F (14.2°C) of March to a comfortable 63.1°F (17.3°C). In Calpella, the April nights descend to a significantly cooler average of 41°F (5°C) compared to daytime highs.Humidity
In Calpella, the average relative humidity in April is 73%.Rainfall
In April, in Calpella, the rain falls for 8.6 days. Throughout April, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 83.3 rainfall days, and 17.72" (450mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
The average length of the day in April is 13h and 16min.On the first day of April in Calpella, sunrise is at 6:55 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:05 pm PDT.
Sunshine
The average sunshine in April in Calpella is 9.6h.UV index
In Calpella, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 4 suggests this advice:
Take precautions - Protection against skin and eye damage is obliged. It's recommended to limit sun exposure when its radiation is at its peak during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Calpella, CA
- Average high temperature in April: 63.1°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 (53.6°F).
- Average low temperature in April: 41°F
The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).
Average pressure in April
Calpella, 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
Calpella, CA
- Average wind speed in April: 5.5mph
The windiest months (with the highest average wind speed) are April, May and June (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
Average humidity in April
Calpella, CA
- Average humidity in April: 73%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July and September (58%).
Average rainfall in April
Calpella, CA
- Average rainfall in April: 1.02"
The wettest months (with the highest rainfall) are February and December (3.11").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in April
Calpella, CA
- Average rainfall days in April: 8.6 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in April
Calpella, CA
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
Calpella, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in April /
Average sunshine in April
Calpella, CA
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 9h and 36min
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 18min).
Average sunshine days in April
Calpella, CA
- Average sunshine days in April: 19.8 days
The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (15.9 days).
Average UV index in April
Calpella, CA
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February and November (UV index 2).
Average cloud cover in April
Calpella, CA
- Average cloud cover in April: 35
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in April
Calpella, CA
- Average visibility in April: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).
