April weather forecast
Bolinas, CA

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Weather in April

April is a comfortable spring month in Bolinas, California, with an average temperature varying between 61.7°F (16.5°C) and 48.7°F (9.3°C).

Temperature

April's average high-temperature stands at a comfortable 61.7°F (16.5°C), showing little deviation from March's 59.2°F (15.1°C). An average low-temperature of 48.7°F (9.3°C) is noted during the nights in April.

Humidity

The average relative humidity in April is 75%.

Rainfall

In Bolinas, in April, it is raining for 7.8 days, with typically 0.79" (20mm) of accumulated precipitation. In Bolinas, during the entire year, the rain falls for 80.3 days and collects up to 15.98" (406mm) of precipitation.

Snowfall

January through November are months without snowfall.

Ocean temperature

April and June, with an average ocean temperature of 52.5°F (11.4°C), are months with the coldest seawater.
Note: Caution: 52.5°F (11.4°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.

Daylight

In Bolinas, the average length of the day in April is 13h and 13min.
On the first day of the month, sunrise is at 6:54 am and sunset at 7:34 pm. On the last day of April, sunrise is at 6:14 am and sunset at 8:01 pm PDT.

Sunshine

The average sunshine in April is 10h.

UV index

In Bolinas, California, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In April, the maximum UV index of 4 suggests this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures?

The high-temperature, in April, in Bolinas, is 61.7°F (16.5°C), while the low-temperature averages to 48.7°F (9.3°C).

What is the average humidity in April?

In April, the average relative humidity is 75%.

How many days does it rain in April?

In April, the rain falls for 7.8 days. Throughout April, 0.79" (20mm) of precipitation is accumulated.

When it does not snow?

In Bolinas, snow does not fall in January through November.

What months are the ocean coldest?

April and June, with an average ocean temperature of 52.5°F (11.4°C), are months with the coldest seawater.

How cold is the water in April?

In Bolinas, the average seawater temperature in April is 52.5°F (11.4°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.

How many hours of daylight does Bolinas have in April?

In Bolinas, the average day length in April is 13h and 13min.

When are sunrise and sunset in April?

On the first day of April, sunrise is at 6:54 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:01 pm PDT.

How many hours of sunshine does Bolinas have in April?

The average sunshine duration in April is 10h.

What is the UV index intensity in April?

In Bolinas, 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 exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Bolinas, CA

Average temperature in April - Bolinas, CA
  • Average high temperature in April: 61.7°F

The warmest month (with the highest average high temperature) is September (70.9°F).
The month with the lowest average high temperature is December (55.2°F).

  • Average low temperature in April: 48.7°F

The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is December (46°F).

Average pressure in April
Bolinas, CA

Average pressure in April - Bolinas, CA
  • Average pressure in April: 30.04"Hg

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

Average wind speed in April
Bolinas, CA

Average wind speed in April - Bolinas, CA
  • Average wind speed in April: 8.3mph

The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is November (5.9mph).

Average humidity in April
Bolinas, CA

Average humidity in April - Bolinas, CA
  • Average humidity in April: 75%

The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is October (69%).

Average rainfall in April
Bolinas, CA

Average rainfall in April - Bolinas, CA
  • Average rainfall in April: 0.79"

The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.08").

Average rainfall days in April
Bolinas, CA

Average rainfall days in April - Bolinas, CA
  • Average rainfall days in April: 7.8 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (2.3 days).

Average snowfall days in April
Bolinas, CA

Average snowfall days in April - Bolinas, CA
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

Average sea temperature in April
Bolinas, CA

Average sea temperature in April - Bolinas, CA
  • Average sea temperature in April: 52.5°F

The best month for swimming (with the highest average sea temperature) is September (56.9°F).
The coldest month (with the lowest average sea temperature) is June (52.4°F).

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

Average daylight in April / Average sunshine in April - Bolinas, CA
  • Average daylight in April: 13h and 1min

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 36min).

  • Average sunshine in April: 10h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in April
Bolinas, CA

Average sunshine days in April - Bolinas, CA
  • Average sunshine days in April: 20.5 days

The months with the most sunshine days are June and July (24.8 days).
The month with the least sunshine days is March (16.6 days).

Average UV index in April
Bolinas, CA

Average UV index in April - Bolinas, CA
  • Average UV index in April: 4

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

Average cloud cover in April
Bolinas, CA

Average cloud cover in April - Bolinas, CA
  • Average cloud cover in April: 30

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).

Average visibility in April
Bolinas, CA

Average visibility in April - Bolinas, 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).

Bolinas, California, USA

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