April weather forecast
San Simeon, CA

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Weather in April

April in San Simeon, California, is an enjoyable spring month, with an average temperature varying between 62.4°F (16.9°C) and 50.7°F (10.4°C).

Temperature

With the onset of April, the average high-temperature registers at an enjoyable 62.4°F (16.9°C), subtly different from March's 60.1°F (15.6°C). Throughout the month of April, San Simeon witnesses an average low-temperature of 50.7°F (10.4°C).

Humidity

In April, the average relative humidity in San Simeon is 71%.

Rainfall

In San Simeon, in April, during 5.7 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In San Simeon, during the entire year, the rain falls for 50 days and collects up to 7.4" (188mm) of precipitation.

Daylight

The average length of the day in April is 13h and 7min.
On the first day of the month, sunrise is at 6:49 am and sunset at 7:26 pm. On the last day of April, sunrise is at 6:12 am and sunset at 7:50 pm PDT.

Sunshine

The average sunshine in April in San Simeon, California, 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 in San Simeon. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 4 during April translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

What are the temperatures in San Simeon in April?

The average high-temperature and low-temperature in San Simeon, California, during April are 62.4°F (16.9°C) and 50.7°F (10.4°C) respectively.

What is the average humidity in April in San Simeon?

In San Simeon, the average relative humidity in April is 71%.

How much does it rain in San Simeon in April?

In San Simeon, California, during April, the rain falls for 5.7 days and regularly aggregates up to 0.39" (10mm) of precipitation.

What is the average length of the day in April in San Simeon?

In April, the average day length in San Simeon, California, is 13h and 7min.

When are sunrise and sunset in April in San Simeon?

On the first day of April in San Simeon, California, 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.

How many hours of sunshine does San Simeon have in April?

In April, the average sunshine duration is 10.8h.

What is the month with the lowest UV index in San Simeon?

The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 4.

What is the UV index intensity in April in San Simeon?

In San Simeon, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
San Simeon, CA

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).

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Average pressure in April
San Simeon, CA

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).

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Average wind speed in April
San Simeon, CA

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).

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Average humidity in April
San Simeon, CA

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%).

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Average rainfall in April
San Simeon, CA

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").

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Average rainfall days in April
San Simeon, CA

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).

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Average daylight in April /
Average sunshine in April
San Simeon, CA

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).

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Average sunshine days in April
San Simeon, CA

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).

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Average UV index in April
San Simeon, CA

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).

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Average cloud cover in April
San Simeon, CA

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).

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Average visibility in April
San Simeon, CA

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).

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San Simeon, California, USA

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