May weather forecast
Bolinas, CA

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Weather in May

The last month of the spring, May, is another comfortable month in Bolinas, California, with an average temperature varying between 50.7°F (10.4°C) and 63.3°F (17.4°C).

Temperature

The shift into May uncovers an average high-temperature of a still enjoyable 63.3°F (17.4°C), subtly different from the previous month. An average low-temperature of 50.7°F (10.4°C) is recorded in the month of May.

Humidity

In Bolinas, the average relative humidity in May is 76%.

Rainfall

In Bolinas, in May, during 5.7 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 80.3 rainfall days, and 15.98" (406mm) of precipitation is accumulated.

Snowfall

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

Ocean temperature

In Bolinas, California, in May, the average water temperature is 52.7°F (11.5°C).
Note: Beware of 52.7°F (11.5°C) waters at 55.4°F (13°C), they're uninviting, and a dip below 50°F (10°C) has risks of breath loss and cold shock, contingent on health.

Daylight

In May, the average length of the day is 14h and 14min.
On the first day of the month, sunrise is at 6:13 am and sunset at 8:01 pm. On the last day of May, in Bolinas, sunrise is at 5:50 am and sunset at 8:27 pm PDT.

Sunshine

The average sunshine in May in Bolinas is 10h.

UV index

In Bolinas, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In May, an average UV index of 4 transforms into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What is the usual temperature for Bolinas in May?

May temperatures in Bolinas vary between a high-temperature of 63.3°F (17.4°C) and a low-temperature of 50.7°F (10.4°C).

What is the average humidity in May in Bolinas?

The average relative humidity in May in Bolinas, California, is 76%.

How much does it rain in Bolinas in May?

In Bolinas, California, during May, the rain falls for 5.7 days and regularly aggregates up to 0.71" (18mm) of precipitation.

When it does not snow in Bolinas?

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

What is the ocean temperature in May in Bolinas?

In Bolinas, California, in May, the average water temperature is 52.7°F (11.5°C). Swimming in 52.7°F (11.5°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in May in Bolinas?

In May, the average day length in Bolinas is 14h and 14min.

When are sunrise and sunset in May in Bolinas?

In May, on the first day of the month, sunrise is at 6:13 am and sunset at 8:01 pm. On the last day of the month, in Bolinas, sunrise is at 5:50 am and sunset at 8:27 pm PDT.

How many hours of sunshine does Bolinas have in May?

In Bolinas, the average sunshine duration in May is 10h.

How high is the UV index in May in Bolinas?

In May, the average daily maximum UV index in Bolinas, California, is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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 May
Bolinas, CA

Average temperature in May - Bolinas, CA
  • Average high temperature in May: 63.3°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 May: 50.7°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).

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Average pressure in May
Bolinas, CA

Average pressure in May - Bolinas, CA
  • Average pressure in May: 29.98"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).

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Average wind speed in May
Bolinas, CA

Average wind speed in May - Bolinas, CA
  • Average wind speed in May: 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).

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Average humidity in May
Bolinas, CA

Average humidity in May - Bolinas, CA
  • Average humidity in May: 76%

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

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Average rainfall in May
Bolinas, CA

Average rainfall in May - Bolinas, CA
  • Average rainfall in May: 0.71"

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

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Average rainfall days in May
Bolinas, CA

Average rainfall days in May - Bolinas, CA
  • Average rainfall days in May: 5.7 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).

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Average snowfall days in May
Bolinas, CA

Average snowfall days in May - Bolinas, CA
  • Average snowfall days in May: 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).

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Average sea temperature in May
Bolinas, CA

Average sea temperature in May - Bolinas, CA
  • Average sea temperature in May: 52.7°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).

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

Average daylight in May / Average sunshine in May - Bolinas, CA
  • Average daylight in May: 14h 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 May: 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).

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Average sunshine days in May
Bolinas, CA

Average sunshine days in May - Bolinas, CA
  • Average sunshine days in May: 22.8 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).

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Average UV index in May
Bolinas, CA

Average UV index in May - Bolinas, CA
  • Average UV index in May: 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).

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Average cloud cover in May
Bolinas, CA

Average cloud cover in May - Bolinas, CA
  • Average cloud cover in May: 31

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

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Average visibility in May
Bolinas, CA

Average visibility in May - Bolinas, CA
  • Average visibility in May: 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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Bolinas, California, USA

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