April weather forecast and climate
Belvedere, CA

Weather in April

April in Belvedere, California, is an enjoyable spring month, with average temperature ranging between min 48.6°F (9.2°C) and max 62.2°F (16.8°C).

Temperature

In April, the average high-temperature is relatively the same as in March - an enjoyable 62.2°F (16.8°C). The average low-temperature, in Belvedere, California, is 48.6°F (9.2°C).

Humidity

In Belvedere, the average relative humidity in April is 74%.

Rainfall

In Belvedere, in April, it is raining for 6.3 days, with typically 0.24" (6mm) of accumulated precipitation. Throughout the year, in Belvedere, there are 64.2 rainfall days, and 4.8" (122mm) of precipitation is accumulated.

Ocean temperature

Months with the coldest seawater in Belvedere are April through June, with an average ocean temperature of 53.1°F (11.7°C).
Note: Swimming in 53.1°F (11.7°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day is 13.2h.

Sunshine

The average sunshine in Belvedere is 10.1h.

UV index

April, June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: In April, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in April in Belvedere?

In Belvedere, in April, the average high-temperature is 62.2°F (16.8°C), and the average low-temperature is 48.6°F (9.2°C).

What is the average humidity in April in Belvedere?

In Belvedere, California, the average relative humidity in April is 74%.

How many days does it rain in April in Belvedere?

In April, in Belvedere, California, the rain falls for 6.3 days. Throughout April, 0.24" (6mm) of precipitation is accumulated.

What months are the ocean coldest in Belvedere?

Through and June, with an average ocean temperature of 53.1°F (11.7°C).

How cold is the water in April in Belvedere?

In April, the average ocean temperature in Belvedere, California, is 53.1°F (11.7°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in April in Belvedere?

In Belvedere, California, the average length of the day in April is 13.2h.

How many hours of sunshine does Belvedere have in April?

In April, the average sunshine in Belvedere, California, is 10.1h.

What is the month with the highest UV index in Belvedere?

Months with the highest UV index are April, June through September, with an average maximum UV index of 5.

What is the UV index reading in April in Belvedere?

In April, the average daily maximum UV index in Belvedere is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to the UV radiation.

Average temperature in April
Belvedere, CA

Average temperature in April - Belvedere, CA
  • Average high temperature in April: 62.2°F

The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.2°F).

  • Average low temperature in April: 48.6°F

The month with the highest average low temperature is September (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (46.2°F).

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Average pressure in April
Belvedere, CA

Average pressure in April - Belvedere, CA
  • Average pressure in April: 30.03"

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed in April
Belvedere, CA

Average wind speed in April - Belvedere, CA
  • Average wind speed in April: 7.8mph

The windiest month (with the highest average wind speed) is May (7.9mph).
The calmest months (with the lowest average wind speed) are October and November (5.7mph).

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Average humidity in April
Belvedere, CA

Average humidity in April - Belvedere, CA
  • Average humidity in April: 74%

Months with the highest relative humidity are March and August (76%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in April
Belvedere, CA

Average rainfall in April - Belvedere, CA
  • Average rainfall in April: 0.24"

The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are June, July, August and September (0.08").

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Average rainfall days in April
Belvedere, CA

Average rainfall days in April - Belvedere, CA
  • Average rainfall days in April: 6.3 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is June (1.9 days).

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Average sea temperature in April
Belvedere, CA

Average sea temperature in April - Belvedere, CA
  • Average sea temperature in April: 53°F

The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).

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Average daylight in April /
Average sunshine in April
Belvedere, CA

Average daylight in April / Average sunshine in April - Belvedere, CA
  • Average daylight in April: 13.2h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in April: 10.1h

The month with the most sunshine is July (Average sunshine: 11.4h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days in April
Belvedere, CA

Average sunshine days in April - Belvedere, CA
  • Average sunshine days in April: 22.3 days

The month with the most sunshine days is October (25 days).
The month with the least sunshine days is March (18.4 days).

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Average UV index in April
Belvedere, CA

Average UV index in April - Belvedere, CA
  • Average UV index in April: 5

Months with the highest UV index are April, June, July, August and September (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in April
Belvedere, CA

Average cloud cover in April - Belvedere, CA
  • Average cloud cover in April: 29

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 18).

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Average visibility in April
Belvedere, CA

Average visibility in April - Belvedere, CA
  • Average visibility in April: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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