Climate and monthly weather forecast
Kelseyville, CA

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Weather in January

January, the same as December, is another fresh winter month in Kelseyville, California, with an average temperature varying between 38.8°F (3.8°C) and 55.2°F (12.9°C). Kelseyville's shift into January sets the average high-temperature at a still cool 55.2°F (12.9°C), a figure that deviates only slightly from December's 52.9°F (11.6°C). Weather in January »

Weather in February

February, the last month of the winter in Kelseyville, is a moderate month, with an average temperature varying between 38.3°F (3.5°C) and 56.5°F (13.6°C). The transition from January to February sees an average high-temperature of a refreshing 56.5°F (13.6°C), indicating a minor variance from the prior month. Weather in February »

Weather in March

The first month of the spring, March, is still a mild month in Kelseyville, California, with an average temperature fluctuating between 38.8°F (3.8°C) and 58.6°F (14.8°C). In March, the average high-temperature registers at a still moderate 58.6°F (14.8°C), nearly identical to February's 56.5°F (13.6°C). Weather in March »

Weather in April

April is a refreshing spring month in Kelseyville, California, with an average temperature varying between 42.4°F (5.8°C) and 65.7°F (18.7°C). The average high-temperature mildly increases in April, edging from a mild 58.6°F (14.8°C) in March to a still refreshing 65.7°F (18.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Kelseyville, California, with an average temperature fluctuating between 46.8°F (8.2°C) and 72.7°F (22.6°C). As May arrives, a slight rise in the average high-temperature is observed, moving from an enjoyable 65.7°F (18.7°C) in April to a pleasant 72.7°F (22.6°C). Weather in May »

Weather in June

June, the first month of the summer in Kelseyville, is a moderately hot month, with an average temperature varying between 53.2°F (11.8°C) and 82.9°F (28.3°C). In June, the meteorological conditions change with the average high-temperature moving from an agreeable 72.7°F (22.6°C) in May to a warm 82.9°F (28.3°C). Weather in June »

Weather in July

July in Kelseyville, California, is a tropical summer month, with an average temperature ranging between max 90.1°F (32.3°C) and min 56.7°F (13.7°C). July, having an average high-temperature of 90.1°F (32.3°C) and an average low-temperature of 56.7°F (13.7°C), is the warmest month. July's mean heat index is calculated to be a hot 93.2°F (34°C). Weather in July »

Weather in August

August, the last month of the summer in Kelseyville, is another tropical month, with temperature in the range of an average high of 89.8°F (32.1°C) and an average low of 56.7°F (13.7°C). The transition from July to August sees average high-temperatures adjusting to a still tropical 89.8°F (32.1°C), from a not significantly different 90.1°F (32.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Kelseyville, California, with an average temperature varying between 54°F (12.2°C) and 84.9°F (29.4°C). September is marked by an average high-temperature of a warm 84.9°F (29.4°C), almost identical to the preceding month. Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Kelseyville, California, with an average temperature varying between 48.6°F (9.2°C) and 73.9°F (23.3°C). The onset of October entails a temperature shift, as the average high-temperature decreases from 84.9°F (29.4°C) in September to a still warm 73.9°F (23.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Kelseyville, California, with an average temperature ranging between max 61.7°F (16.5°C) and min 41.4°F (5.2°C). November brings a drop in Kelseyville's average high-temperature, falling from a moderately hot 73.9°F (23.3°C) in October to a refreshing 61.7°F (16.5°C). Weather in November »

Weather in December

December, the first month of the winter in Kelseyville, is still a cool month, with an average temperature ranging between min 37.2°F (2.9°C) and max 52.9°F (11.6°C). Kelseyville's coldest weather arrives in December, when temperatures average a high of 52.9°F (11.6°C) and a low of 37.2°F (2.9°C). Weather in December »
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Frequently asked questions

How much does it rain in Kelseyville?

In Kelseyville, California, during the entire year, the rain falls for 88.1 days and collects up to 20.28" (515mm) of precipitation.

When does it snow in Kelseyville?

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

When does it snow the most in Kelseyville?

The months with the most snowfall in Kelseyville, California, are January and February, with an average 0.47" (12mm) of accumulated snow.

How much does it snow in Kelseyville?

Throughout the year, in Kelseyville, there are 1.8 snowfall days, and 1.26" (32mm) of snow is accumulated.

What is the rainiest month in Kelseyville?

February is the month with the most rainfall in Kelseyville, California. Rain falls for 9.9 days and accumulates 3.94" (100mm) of precipitation.

What is the most humid month in Kelseyville?

With an average relative humidity of 75%, March is the most humid month in Kelseyville, California.

When is Daylight Saving Time (DST) in Kelseyville?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Kelseyville, California, 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 in Kelseyville?

April through October are months without snowfall.

When are the longest days in Kelseyville?

June has the longest days of the year in Kelseyville, California, with an average of 14h and 54min of daylight.

What month is the hottest in Kelseyville?

Kelseyville registers the average highest temperatures during July, with peaks of 90.1°F (32.3°C) and lows of 56.7°F (13.7°C).

What is the least humid month in Kelseyville?

July is the least humid month in Kelseyville, with an average relative humidity of 48%.

What is the driest month in Kelseyville?

July and August are months with the least rain when the rain falls for 1.1 days and typically aggregates up to 0.04" (1mm) of rain.

What month has the most sunshine in Kelseyville?

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

What is the month with the highest UV index in Kelseyville?

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

When is the lowest UV index in Kelseyville?

With an average maximum UV index of 2, November is the month with the lowest UV index in Kelseyville.

What time of the year is the coldest in Kelseyville?

Kelseyville's coldest month, December, registers temperatures that range from a high of 52.9°F (11.6°C) to a low of 37.2°F (2.9°C).

What is the month with the shortest days in Kelseyville?

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

What is the month with the least sunshine in Kelseyville?

The month with the least sunshine in Kelseyville is December, with an average of 5.3h of sunshine.

Average temperature
Kelseyville, CA

Average temperature - Kelseyville, CA

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (52.9°F).

The months with the highest average low temperature are July and August (56.7°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

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Average pressure
Kelseyville, CA

Average pressure - Kelseyville, 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).

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Average wind speed
Kelseyville, CA

Average wind speed - Kelseyville, CA

The windiest months (with the highest average wind speed) are April and May (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).

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Average rainfall
Kelseyville, CA

Average rainfall - Kelseyville, CA

The wettest month (with the highest rainfall) is February (3.94").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Kelseyville, CA

Average rainfall days - Kelseyville, CA

The month with the highest number of rainy days is March (15.2 days).
The month with the least rainy days is July (1.1 days).

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Average snowfall
Kelseyville, CA

Average snowfall - Kelseyville, CA

The months with the highest snowfall are January and February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Kelseyville, CA

Average snowfall days - Kelseyville, CA

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Kelseyville, CA

Average daylight / Average sunshine - Kelseyville, 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).

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Average sunshine days
Kelseyville, CA

Average sunshine days - Kelseyville, CA

The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is March (14.3 days).

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Average visibility
Kelseyville, CA

Average visibility - Kelseyville, CA

The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).

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Kelseyville, California, USA

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