Climate and monthly weather forecast
Geyserville, CA

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Weather in January

January is a refreshing winter month in Geyserville, California, with an average temperature ranging between max 57°F (13.9°C) and min 41.2°F (5.1°C). The advent of January reveals an average high-temperature of a refreshing 57°F (13.9°C), showing minimal difference from the prior month. Weather in January »

Weather in February

February, the last month of the winter in Geyserville, is another mild month, with an average temperature ranging between min 40.6°F (4.8°C) and max 58.6°F (14.8°C). A minimal variation is noted in Geyserville's average high-temperature at the onset of February, reaching a still mild 58.6°F (14.8°C) from January's 57°F (13.9°C). Weather in February »

Weather in March

The first month of the spring, March, is still a refreshing month in Geyserville, California, with an average temperature varying between 60.4°F (15.8°C) and 41.2°F (5.1°C). With the onset of March, a modest change to a still mild 60.4°F (15.8°C) from February's 58.6°F (14.8°C) is noted in high-temperature. Weather in March »

Weather in April

April is an enjoyable spring month in Geyserville, California, with an average temperature varying between 43.5°F (6.4°C) and 66°F (18.9°C). The arrival of April brings a soft temperature shift, with the average high-temperature nudging from a moderate 60.4°F (15.8°C) in March to an enjoyable 66°F (18.9°C). Weather in April »

Weather in May

May, the last month of the spring in Geyserville, is an agreeable month, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 47.3°F (8.5°C). May's onset brings a subtle temperature rise, moving from an enjoyable 66°F (18.9°C) in April to an agreeable 71.4°F (21.9°C). Weather in May »

Weather in June

June, the first month of the summer in Geyserville, is a warm month, with temperature in the range of an average low of 52.9°F (11.6°C) and an average high of 79.9°F (26.6°C). Geyserville experiences a minor temperature shift with the start of June, with average high-temperatures moving from a pleasant 71.4°F (21.9°C) in May to a moderately hot 79.9°F (26.6°C). Weather in June »

Weather in July

July, like June, in Geyserville, California, is a moderately hot summer month, with an average temperature fluctuating between 84.7°F (29.3°C) and 54.7°F (12.6°C). Geyserville's July weather reaches an average high of 84.7°F (29.3°C) and an average low of 54.7°F (12.6°C), making it the warmest month. The heat index in July is computed to be a hot 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Geyserville, California, with an average temperature varying between 84.6°F (29.2°C) and 55°F (12.8°C). In August, Geyserville's weather conditions record an average high-temperature of a still moderately hot 84.6°F (29.2°C), demonstrating little divergence from the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Geyserville, California, with temperature in the range of an average high of 82.6°F (28.1°C) and an average low of 53.6°F (12°C). The ushering in of September brings an average high-temperature of a still moderately hot 82.6°F (28.1°C), closely mirroring the 84.6°F (29.2°C) of August. Weather in September »

Weather in October

October, like September, in Geyserville, California, is another warm autumn month, with an average temperature fluctuating between 50.4°F (10.2°C) and 73.8°F (23.2°C). October's onset brings a negligible change in high-temperatures, falling from 82.6°F (28.1°C) in September to a still warm 73.8°F (23.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Geyserville, is another comfortable month, with an average temperature varying between 63.5°F (17.5°C) and 44.2°F (6.8°C). Arrival of November comes with a reduction in the average high-temperature, falling from a moderately hot 73.8°F (23.2°C) in October to a comfortable 63.5°F (17.5°C). Weather in November »

Weather in December

December, the first month of the winter in Geyserville, is also a fresh month, with an average temperature ranging between max 55°F (12.8°C) and min 40.1°F (4.5°C). Geyserville's December weather, marked by an average high temperature of 55°F (12.8°C) and an average low temperature of 40.1°F (4.5°C), is the coldest in the year. Weather in December »
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Frequently asked questions

How much does it rain in Geyserville?

Throughout the year, there are 81.2 rainfall days, and 19.84" (504mm) of precipitation is accumulated.

When it does not snow in Geyserville?

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

How much does it snow in Geyserville?

In Geyserville, during the entire year, snow aggregates up to 0.04" (1mm).

What are the months with the lowest UV index in Geyserville?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the wettest month in Geyserville?

February is the month with the most rainfall. Rain falls for 9.5 days and accumulates 4.33" (110mm) of precipitation.

When does it snow in Geyserville?

February is the only month when snow falls.

When does it snow the most in Geyserville?

The month with the most snowfall in Geyserville is February, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

What is the most humid month in Geyserville?

The most humid month is March, with an average relative humidity of 76%.

When is Daylight Saving Time (DST) in Geyserville?

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 are the longest days in Geyserville?

With an average of 14h and 48min of daylight, June has the longest days of the year.

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

June through August, with an average maximum UV index of 6, are months with the highest UV index in Geyserville, California.

What month is the hottest in Geyserville?

In Geyserville, July registers the highest temperatures, averaging 84.7°F (29.3°C) at the peak and 54.7°F (12.6°C) at the lowest.

What is the driest month in Geyserville?

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

What month has the most sunshine in Geyserville?

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

What is the least humid month in Geyserville?

September is the least humid month in Geyserville, with an average relative humidity of 57%.

What is the coldest month in Geyserville?

Geyserville experiences its lowest temperatures in December, with an average peak of 55°F (12.8°C) and a low of 40.1°F (4.5°C).

What is the month with the shortest days in Geyserville?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

What is the month with the least sunshine in Geyserville?

With an average of 5.6h of sunshine, December has the least sunshine of the year in Geyserville.

Average temperature
Geyserville, CA

Average temperature - Geyserville, CA

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (55°F).

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).

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Average pressure
Geyserville, CA

Average pressure - Geyserville, CA

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
Geyserville, CA

Average wind speed - Geyserville, CA

The windiest months (with the highest average wind speed) are April and May (6.2mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).

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Average humidity
Geyserville, CA

Average humidity - Geyserville, CA

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (57%).

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Average rainfall
Geyserville, CA

Average rainfall - Geyserville, CA

The wettest month (with the highest rainfall) is February (4.33").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Geyserville, CA

Average rainfall days - Geyserville, CA

The month with the highest number of rainy days is March (14.2 days).
The month with the least rainy days is August (0.8 days).

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Average snowfall
Geyserville, CA

Average snowfall - Geyserville, CA

The month with the highest snowfall is February (0.04").
The 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
Geyserville, CA

Average snowfall days - Geyserville, CA

The month with the highest number of snowfall days is February (0.1 days).
The 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 daylight / Average sunshine
Geyserville, CA

Average daylight / Average sunshine - Geyserville, CA

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 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 36min).

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Average sunshine days
Geyserville, CA

Average sunshine days - Geyserville, CA

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).

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Average UV index
Geyserville, CA

Average UV index - Geyserville, CA

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Geyserville, CA

Average visibility - Geyserville, 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).

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Geyserville, California, USA

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