April weather forecastCallahan, CA
April
Weather in April
April is a cool spring month in Callahan, California, with temperature in the range of an average low of 33.1°F (0.6°C) and an average high of 54.7°F (12.6°C).Temperature
Entering April, Callahan notices a subtle temperature elevation, with the average high-temperature advancing from March's frosty 46.9°F (8.3°C) to a cool 54.7°F (12.6°C). Callahan observes a substantial disparity between daytime high and the average low-temperature of 33.1°F (0.6°C) during April nights.Humidity
In Callahan, the average relative humidity in April is 72%.Rainfall
In Callahan, in April, during 14.1 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, in Callahan, there are 107.9 rainfall days, and 24.76" (629mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Callahan, California, in April, snow falls for 4.7 days, with typically accumulated 4.21" (107mm) of snow. Throughout the year, there are 47.5 snowfall days, and 57.4" (1458mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:52 am and sunset at 7:36 pm. On the last day of April, sunrise is at 6:08 am and sunset at 8:08 pm PDT.
Sunshine
In Callahan, the average sunshine in April is 10.1h.UV index
In Callahan, California, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in April leads to these recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Callahan, CA
- Average high temperature in April: 54.7°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is December (41°F).
- Average low temperature in April: 33.1°F
The month with the highest average low temperature is July (51.1°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in April
Callahan, CA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in April
Callahan, CA
- Average wind speed in April: 5.7mph
The windiest month (with the highest average wind speed) is March (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in April
Callahan, CA
- Average humidity in April: 72%
The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (45%).
Average rainfall in April
Callahan, CA
- Average rainfall in April: 2.24"
The wettest month (with the highest rainfall) is March (4.17").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in April
Callahan, CA
- Average rainfall days in April: 14.1 days
The month with the highest number of rainy days is March (14.6 days).
The month with the least rainy days is August (3.1 days).
Average snowfall in April
Callahan, CA
- Average snowfall in April: 4.21"
The month with the highest snowfall is March (14.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Callahan, CA
- Average snowfall days in April: 4.7 days
The month with the highest number of snowfall days is March (11.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Callahan, CA
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 10h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in April
Callahan, CA
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is March (10.9 days).
Average UV index in April
Callahan, CA
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Callahan, CA
- Average cloud cover in April: 35
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in April
Callahan, CA
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





