Climate and monthly weather forecast
Clearlake Oaks, CA

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Weather in January

January, the same as December, is a cool winter month in Clearlake Oaks, California, with an average temperature fluctuating between 39°F (3.9°C) and 54.7°F (12.6°C). At the start of January, Clearlake Oaks's average high-temperature reaches a still cool 54.7°F (12.6°C), subtly different from the preceding month. Weather in January »

Weather in February

The last month of the winter, February, is a mild month in Clearlake Oaks, California, with an average temperature varying between 56.3°F (13.5°C) and 38.7°F (3.7°C). The advent of February brings an average high-temperature of a moderate 56.3°F (13.5°C), almost identical to the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Clearlake Oaks, is also a moderate month, with an average temperature ranging between max 58.6°F (14.8°C) and min 40.1°F (4.5°C). The arrival of March brings an average high-temperature of a still refreshing 58.6°F (14.8°C), closely following the temperature pattern of February. Weather in March »

Weather in April

April in Clearlake Oaks, California, is a comfortable spring month, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 43.2°F (6.2°C). April brings a slight elevation in the average high-temperature, transitioning from March's mild 58.6°F (14.8°C) to an enjoyable 66°F (18.9°C). Weather in April »

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). 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). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Clearlake Oaks, California, with an average temperature fluctuating between 83.8°F (28.8°C) and 55.4°F (13°C). As May gives way to June, the average high-temperature displays an increase, moving from a warm 73.9°F (23.3°C) to a still moderately hot 83.8°F (28.8°C). Weather in June »

Weather in July

July in Clearlake Oaks, California, is a hot summer month, with an average temperature varying between 58.8°F (14.9°C) and 91.2°F (32.9°C). Clearlake Oaks's warmest temperatures are experienced in July, with average high temperatures of 91.2°F (32.9°C) and lows of 58.8°F (14.9°C). During July, the heat index is evaluated at a sweltering 95°F (35°C). Weather in July »

Weather in August

August, the last month of the summer in Clearlake Oaks, is also a hot month, with an average temperature fluctuating between 58.3°F (14.6°C) and 90.1°F (32.3°C). August denotes a minimal variation in the average high-temperature to a still hot 90.1°F (32.3°C) from July's 91.2°F (32.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Clearlake Oaks, California, with an average temperature varying between 55.8°F (13.2°C) and 85.1°F (29.5°C). The arrival of September brings an average high-temperature of a moderately hot 85.1°F (29.5°C), subtly diverging from August's 90.1°F (32.3°C). Weather in September »

Weather in October

October, like September, in Clearlake Oaks, California, is another warm autumn month, with an average temperature fluctuating between 73.8°F (23.2°C) and 49.6°F (9.8°C). Setting in of October comes with a decrease in the average high-temperature, moving from a warm 85.1°F (29.5°C) in September to a still moderately hot 73.8°F (23.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Clearlake Oaks, is another refreshing month, with an average temperature ranging between max 61°F (16.1°C) and min 42.4°F (5.8°C). In Clearlake Oaks, the average high-temperature in November decreases from a warm 73.8°F (23.2°C) in October to a comfortable 61°F (16.1°C). Weather in November »

Weather in December

December, the first month of the winter in Clearlake Oaks, is still a cool month, with temperature in the range of an average high of 52.7°F (11.5°C) and an average low of 38.1°F (3.4°C). In Clearlake Oaks, December records the lowest average temperatures, peaking at 52.7°F (11.5°C) and reaching a low of 38.1°F (3.4°C). Weather in December »
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How many days does it rain?

Throughout the year, there are 79.8 rainfall days, and 17.44" (443mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through March, November and December.

How much does it snow?

In Clearlake Oaks, during the entire year, snow falls for 1.8 days and aggregates up to 0.98" (25mm) of snow.

What is the rainiest month?

February is the month with the most rainfall in Clearlake Oaks. Rain falls for 9.3 days and accumulates 3.7" (94mm) of precipitation.

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 0.9 days and typically aggregates up to 0.51" (13mm) of snow.

What is the most humid month?

The most humid month is March, with an average relative humidity of 74%.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow?

April through October are months without snowfall.

When are the longest days?

With an average of 14h and 54min of daylight, June has the longest days of the year.

What is the hottest time of year?

In Clearlake Oaks, July registers the highest temperatures, averaging 91.2°F (32.9°C) at the peak and 58.8°F (14.9°C) at the lowest.

What is the least humid month?

July is the least humid month, with an average relative humidity of 44%.

What is the driest month?

The months with the least rainfall are July and August Rain falls for 1.1 days and accumulates 0.04" (1mm) of rain.

What month has the most sunshine in Clearlake Oaks?

With an average of 12h of sunshine, July has the most sunshine of the year.

What is the month with the highest UV index in Clearlake Oaks?

July is the month with the highest UV index, with an average maximum UV index of 7.

What are the months with the lowest UV index?

November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What month is the coldest?

December is the coldest month, with the temperature often reaching an average high of 52.7°F (11.5°C) and an average low of 38.1°F (3.4°C).

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.3h of sunshine.

Average temperature
Clearlake Oaks, CA

Average temperature - Clearlake Oaks, CA

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).

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
Clearlake Oaks, CA

Average pressure - Clearlake Oaks, CA

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
Clearlake Oaks, CA

Average wind speed - Clearlake Oaks, CA

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
Clearlake Oaks, CA

Average humidity - Clearlake Oaks, CA

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

Average rainfall
Clearlake Oaks, CA

Average rainfall - Clearlake Oaks, CA

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
Clearlake Oaks, CA

Average rainfall days - Clearlake Oaks, CA

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
Clearlake Oaks, CA

Average snowfall - Clearlake Oaks, CA

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
Clearlake Oaks, CA

Average snowfall days - Clearlake Oaks, CA

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 / Average sunshine
Clearlake Oaks, CA

Average daylight / Average sunshine - Clearlake Oaks, CA

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).

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
Clearlake Oaks, CA

Average sunshine days - Clearlake Oaks, CA

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 visibility
Clearlake Oaks, CA

Average visibility - Clearlake Oaks, CA

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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