Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The transition into April notes an average high-temperature of an enjoyable 62.4°F (16.9°C), revealing a mild distinction from the 60.1°F (15.6°C) in March. In April, San Simeon records an average nighttime temperature of 50.7°F (10.4°C).Humidity
In San Simeon, the average relative humidity in April is 71%.Rainfall
In San Simeon, in April, during 5.7 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 50 rainfall days, and 7.4" (188mm) of precipitation is accumulated.Daylight
The average length of the day in April is 13h and 7min.On the first day of April, sunrise is at 6:49 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:50 pm PDT.
Sunshine
In San Simeon, the average sunshine in April is 10.8h.UV index
January through April, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 4 in April translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
When is the lowest UV index?
How high is the UV index in April?
Average temperature in April
San Simeon, CA
- Average high temperature in April: 62.4°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is December (58.1°F).
- Average low temperature in April: 50.7°F
The month with the highest average low temperature is September (60.1°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in April
San Simeon, CA
- Average pressure in April: 30.03"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 (29.92"Hg).
Average wind speed in April
San Simeon, CA
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is May (10.6mph).
The calmest month (with the lowest average wind speed) is November (7.3mph).
Average humidity in April
San Simeon, CA
- Average humidity in April: 71%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is October (64%).
Average rainfall in April
San Simeon, CA
- Average rainfall in April: 0.39"
The wettest month (with the highest rainfall) is December (1.5").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in April
San Simeon, CA
- Average rainfall days in April: 5.7 days
The month with the highest number of rainy days is March (9 days).
The month with the least rainy days is August (0.5 days).
Average daylight in April /
Average sunshine in April
San Simeon, CA
- Average daylight in April: 13h and 1min
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 5min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in April
San Simeon, CA
- Average sunshine days in April: 24.1 days
The month with the most sunshine days is August (29.5 days).
The month with the least sunshine days is February (20.3 days).
Average UV index in April
San Simeon, CA
- Average UV index in April: 4
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in April
San Simeon, CA
- Average cloud cover in April: 20
The month with the most cloud cover is March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in April
San Simeon, 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).
San Simeon, California, USA
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