May weather forecast and climate
Mendocino, CA

Weather in May

The last month of the spring, May, is another mild month in Mendocino, California, with average temperature ranging between max 59.7°F (15.4°C) and min 49.6°F (9.8°C).

Temperature

In Mendocino, the average high-temperature is practically the same as in April - a still moderate 59.7°F (15.4°C). In Mendocino, the average low-temperature is 49.6°F (9.8°C).

Humidity

Months with the highest humidity in Mendocino, California, are March, May and August, with an average relative humidity of 80%.

Rainfall

In Mendocino, during 4.1 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, in Mendocino, there are 68.4 rainfall days, and 9.53" (242mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall in Mendocino.

Ocean temperature

In May, the average ocean temperature in Mendocino is 53.1°F (11.7°C).
Note: 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.

Daylight

In Mendocino, the average length of the day is 14.4h.

Sunshine

In May, the average sunshine is 10.5h.

UV index

In Mendocino, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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 May in Mendocino?

The average high-temperature, in May, in Mendocino, California, is 59.7°F (15.4°C), while the average low-temperature is 49.6°F (9.8°C).

What are the most humid months in Mendocino?

Months with the highest humidity in Mendocino, California, are March, May and August, with an average relative humidity of 80%.

What is the average humidity in May in Mendocino?

In Mendocino, California, the average relative humidity in May is 80%.

How much does it rain in Mendocino in May?

In Mendocino, California, in May, it is raining for 4.1 days, with typically 0.59" (15mm) of accumulated precipitation.

When it does not snow in Mendocino?

In Mendocino, California, snow does not fall in January, March through December.

What is the water temperature in May in Mendocino?

In May, the average ocean temperature is 53.1°F (11.7°C). 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.

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

In Mendocino, California, the average length of the day in May is 14.4h.

How many hours of sunshine does Mendocino have in May?

The average sunshine in May in Mendocino, California, is 10.5h.

How high is the UV index in May in Mendocino?

The average daily maximum UV index in May in Mendocino, California, is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in May
Mendocino, CA

Average temperature in May - Mendocino, CA
  • Average high temperature in May: 59.7°F

The warmest month (with the highest average high temperature) is September (67.5°F).
Months with the lowest average high temperature are February and December (54.3°F).

  • Average low temperature in May: 49.6°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).

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Average pressure in May
Mendocino, CA

Average pressure in May - Mendocino, CA
  • Average pressure in May: 29.99"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is August (29.93").

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Average wind speed in May
Mendocino, CA

Average wind speed in May - Mendocino, CA
  • Average wind speed in May: 10.3mph

The windiest month (with the highest average wind speed) is June (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

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Average humidity in May
Mendocino, CA

Average humidity in May - Mendocino, CA
  • Average humidity in May: 80%

Months with the highest relative humidity are March, May and August (80%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in May
Mendocino, CA

Average rainfall in May - Mendocino, CA
  • Average rainfall in May: 0.59"

The wettest month (with the highest rainfall) is December (1.77").
The driest months (with the least rainfall) are June, July and August (0.08").

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Average rainfall days in May
Mendocino, CA

Average rainfall days in May - Mendocino, CA
  • Average rainfall days in May: 4.1 days

The month with the highest number of rainy days is March (11.4 days).
Months with the least rainy days are June and August (1.8 days).

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Average snowfall in May
Mendocino, CA

Average snowfall in May - Mendocino, CA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.04").
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Mendocino, CA

Average snowfall days in May - Mendocino, CA
  • Average snowfall days in May: 0 days

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

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Average sea temperature in May
Mendocino, CA

Average sea temperature in May - Mendocino, CA
  • Average sea temperature in May: 52.9°F

The best month for swimming (with the highest average sea temperature) is October (55.6°F).
The coldest month (with the lowest average sea temperature) is April (52.1°F).

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

Average daylight in May / Average sunshine in May - Mendocino, CA
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in May: 10.5h

Months with the most sunshine are July and August (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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Average sunshine days in May
Mendocino, CA

Average sunshine days in May - Mendocino, CA
  • Average sunshine days in May: 25.8 days

The month with the most sunshine days is July (28.2 days).
The month with the least sunshine days is March (18.4 days).

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Average UV index in May
Mendocino, CA

Average UV index in May - Mendocino, CA
  • Average UV index in May: 4

Months with the highest UV index are June, July and August (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 May
Mendocino, CA

Average cloud cover in May - Mendocino, CA
  • Average cloud cover in May: 26

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 10).

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Average visibility in May
Mendocino, CA

Average visibility in May - Mendocino, CA
  • Average visibility in May: 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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