April weather forecastRocklin, CA
April
Weather in April
April is an agreeable spring month in Rocklin, California, with an average temperature fluctuating between 68.5°F (20.3°C) and 46.2°F (7.9°C).Temperature
The shift into April is marked by a modest rise in the average high-temperature, moving from March's comfortable 61.7°F (16.5°C) to an agreeable 68.5°F (20.3°C). Rocklin, after hot April days, encounters a marked drop to an average nighttime temperature of 46.2°F (7.9°C).Humidity
The average relative humidity in April is 67%.Rainfall
In Rocklin, during April, the rain falls for 9.6 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Rocklin, during the entire year, the rain falls for 78.4 days and collects up to 19.09" (485mm) of precipitation.Snowfall
January through November are months without snowfall.Daylight
The average length of the day in April is 13h and 15min.On the first day of April, sunrise is at 6:48 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 7:56 pm PDT.
Sunshine
In April, the average sunshine is 10.1h.UV index
The average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: During April, 5 as the daily maximum UV index converts into the following advice:
Guard yourself - Avoiding sunburn is suggested. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Rocklin, CA
- Average high temperature in April: 68.5°F
The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is December (54.1°F).
- Average low temperature in April: 46.2°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).
Average pressure in April
Rocklin, CA
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Rocklin, CA
- Average wind speed in April: 5.2mph
The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4mph).
Average humidity in April
Rocklin, CA
- Average humidity in April: 67%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (41%).
Average rainfall in April
Rocklin, CA
- Average rainfall in April: 1.42"
The wettest month (with the highest rainfall) is March (3.58").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in April
Rocklin, CA
- Average rainfall days in April: 9.6 days
The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is July (1.1 days).
Average snowfall days in April
Rocklin, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Rocklin, CA
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- 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 48min).
Average sunshine days in April
Rocklin, CA
- Average sunshine days in April: 19 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (15.8 days).
Average UV index in April
Rocklin, 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
Rocklin, CA
- Average cloud cover in April: 28
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in April
Rocklin, 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).





