April weather forecastRed Bluff, CA
April
Weather in April
April is a refreshing spring month in Red Bluff, California, with an average temperature varying between 67.5°F (19.7°C) and 45.9°F (7.7°C).Temperature
The embrace of April brings a minor uplift in the average high-temperature, shifting from a mild 59.9°F (15.5°C) in March to a comfortable 67.5°F (19.7°C). In April, Red Bluff experiences a significant drop from daily zeniths to an average nighttime temperature of 45.9°F (7.7°C).Humidity
In Red Bluff, the average relative humidity in April is 61%.Rainfall
In Red Bluff, during April, the rain falls for 10.4 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, there are 86.1 rainfall days, and 18.39" (467mm) of precipitation is accumulated.Snowfall
January, March through November are months without snowfall.Daylight
In Red Bluff, California, the average length of the day in April is 13h and 19min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:33 pm. On the last day of April, sunrise is at 6:08 am and sunset at 8:03 pm PDT.
Sunshine
In April, the average sunshine is 10.5h.UV index
In Red Bluff, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In April, the maximum UV index of 5 translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. To protect against the Sun's most potent rays, avoid direct exposure around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Red Bluff, CA
- Average high temperature in April: 67.5°F
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in April: 45.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is December (39.6°F).
Average pressure in April
Red Bluff, CA
- Average pressure in April: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.91"Hg).
Average wind speed in April
Red Bluff, CA
- Average wind speed in April: 5.8mph
The windiest month (with the highest average wind speed) is March (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in April
Red Bluff, CA
- Average humidity in April: 61%
The month with the highest relative humidity is March (71%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in April
Red Bluff, CA
- Average rainfall in April: 1.38"
The wettest months (with the highest rainfall) are March and December (3.27").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in April
Red Bluff, CA
- Average rainfall days in April: 10.4 days
The month with the highest number of rainy days is March (14 days).
The month with the least rainy days is August (1.1 days).
Average snowfall in April
Red Bluff, CA
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.12").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Red Bluff, 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 and November (0 days).
Average daylight in April /
Average sunshine in April
Red Bluff, CA
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 10h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in April
Red Bluff, CA
- Average sunshine days in April: 17.7 days
The month with the most sunshine days is August (28.4 days).
The month with the least sunshine days is March (15.3 days).
Average UV index in April
Red Bluff, CA
- Average UV index in April: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Red Bluff, CA
- Average cloud cover in April: 26
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in April
Red Bluff, 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).





