April weather forecastGrover Beach, CA
April
Weather in April
April, the same as March, is another comfortable spring month in Grover Beach, California, with an average temperature varying between 67.6°F (19.8°C) and 48.6°F (9.2°C).Temperature
April's average high-temperature is a still enjoyable 67.6°F (19.8°C), maintaining a close comparison with March's 64.9°F (18.3°C). Grover Beach records an average nighttime low-temperature of 48.6°F (9.2°C) throughout April.Humidity
The average relative humidity in April is 66%.Rainfall
In Grover Beach, in April, during 5.4 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. Throughout the year, in Grover Beach, there are 47.6 rainfall days, and 6.93" (176mm) of precipitation is accumulated.Daylight
In April, the average length of the day in Grover Beach, California, is 13h and 6min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:24 pm. On the last day of April, sunrise is at 6:11 am and sunset at 7:47 pm PDT.
Sunshine
The average sunshine in April is 10.9h.UV index
In Grover Beach, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 5 during April morphs into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Grover Beach, CA
- Average high temperature in April: 67.6°F
The warmest month (with the highest average high temperature) is September (79.5°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in April: 48.6°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (46°F).
Average pressure in April
Grover Beach, CA
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in April
Grover Beach, CA
- Average wind speed in April: 7.3mph
The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in April
Grover Beach, CA
- Average humidity in April: 66%
The month with the highest relative humidity is March (68%).
The month with the lowest relative humidity is October (58%).
Average rainfall in April
Grover Beach, CA
- Average rainfall in April: 0.47"
The wettest month (with the highest rainfall) is March (1.61").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in April
Grover Beach, CA
- Average rainfall days in April: 5.4 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (0.8 days).
Average daylight in April /
Average sunshine in April
Grover Beach, CA
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 10h and 54min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in April
Grover Beach, CA
- Average sunshine days in April: 24.3 days
The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is February (21 days).
Average UV index in April
Grover Beach, CA
- Average UV index in April: 5
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in April
Grover Beach, CA
- Average cloud cover in April: 20
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in April
Grover Beach, 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).





