May weather forecast
Clearlake Oaks, CA

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Weather in May

The last month of the spring, May, is a warm month in Clearlake Oaks, California, with an average temperature fluctuating between 48.2°F (9°C) and 73.9°F (23.3°C).

Temperature

Observing a minor shift, the average high-temperature during May adjusts from April's enjoyable 66°F (18.9°C) to a moderately hot 73.9°F (23.3°C). During May nights, Clearlake Oaks documents a marked contrast from daily highs, with an average temperature of 48.2°F (9°C).

Humidity

The average relative humidity in May is 59%.

Rainfall

In Clearlake Oaks, in May, it is raining for 6.8 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 79.8 rainfall days, and 17.44" (443mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In May, the average length of the day is 14h and 20min.
On the first day of the month, sunrise is at 6:11 am and sunset at 8:04 pm. On the last day of May, sunrise is at 5:46 am and sunset at 8:30 pm PDT.

Sunshine

In May, the average sunshine is 10.6h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 5 in May leads to these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

The average high-temperature and low-temperature during May are 73.9°F (23.3°C) and 48.2°F (9°C) respectively.

What is the average humidity in May?

In May, the average relative humidity is 59%.

How many days does it rain in May?

In May, the rain falls for 6.8 days. Throughout May, 0.91" (23mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in May?

In Clearlake Oaks, the average day length in May is 14h and 20min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:11 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:30 pm PDT.

How many hours of sunshine does Clearlake Oaks have in May?

In Clearlake Oaks, the average sunshine duration in May is 10.6h.

What is the UV index reading in May?

In Clearlake Oaks, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Clearlake Oaks, CA

Average temperature in May - Clearlake Oaks, CA
  • Average high temperature in May: 73.9°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (52.7°F).

  • Average low temperature in May: 48.2°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is December (38.1°F).

Average pressure in May
Clearlake Oaks, CA

Average pressure in May - Clearlake Oaks, CA
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

Average wind speed in May
Clearlake Oaks, CA

Average wind speed in May - Clearlake Oaks, CA
  • Average wind speed in May: 5.6mph

The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).

Average humidity in May
Clearlake Oaks, CA

Average humidity in May - Clearlake Oaks, CA
  • Average humidity in May: 59%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (44%).

Average rainfall in May
Clearlake Oaks, CA

Average rainfall in May - Clearlake Oaks, CA
  • Average rainfall in May: 0.91"

The wettest month (with the highest rainfall) is February (3.7").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in May
Clearlake Oaks, CA

Average rainfall days in May - Clearlake Oaks, CA
  • Average rainfall days in May: 6.8 days

The month with the highest number of rainy days is March (13.9 days).
The months with the least rainy days are July and August (1.1 days).

Average snowfall in May
Clearlake Oaks, CA

Average snowfall in May - Clearlake Oaks, CA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Clearlake Oaks, CA

Average snowfall days in May - Clearlake Oaks, CA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Clearlake Oaks, CA

Average daylight in May / Average sunshine in May - Clearlake Oaks, CA
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 10h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in May
Clearlake Oaks, CA

Average sunshine days in May - Clearlake Oaks, CA
  • Average sunshine days in May: 23.1 days

The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (15.8 days).

Average UV index in May
Clearlake Oaks, CA

Average UV index in May - Clearlake Oaks, CA
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 2).

Average cloud cover in May
Clearlake Oaks, CA

Average cloud cover in May - Clearlake Oaks, CA
  • Average cloud cover in May: 24

The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in May
Clearlake Oaks, CA

Average visibility in May - Clearlake Oaks, 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).

Clearlake Oaks, California, USA

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