Climate and monthly weather forecast
Thermalito, CA

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Weather in January

January is a moderate winter month in Thermalito, California, with an average temperature fluctuating between 41.9°F (5.5°C) and 56.8°F (13.8°C). During January, Thermalito observes a subtle ascent to a refreshing 56.8°F (13.8°C) from December's 54.5°F (12.5°C) in the average high-temperature. Weather in January »

Weather in February

February, the last month of the winter in Thermalito, is another mild month, with an average temperature fluctuating between 58.6°F (14.8°C) and 41.7°F (5.4°C). The shift into February uncovers an average high-temperature of a still mild 58.6°F (14.8°C), subtly different from the previous month. Weather in February »

Weather in March

March, the first month of the spring in Thermalito, is an enjoyable month, with an average temperature varying between 43.9°F (6.6°C) and 61.3°F (16.3°C). The high-temperature average in March for Thermalito is a still refreshing 61.3°F (16.3°C), staying closely aligned with February's conditions. Weather in March »

Weather in April

April is an agreeable spring month in Thermalito, California, with temperature in the range of an average low of 47.7°F (8.7°C) and an average high of 68.9°F (20.5°C). April showcases a minor temperature ascent, adjusting from March's enjoyable 61.3°F (16.3°C) to an agreeable 68.9°F (20.5°C). Weather in April »

Weather in May

May, the last month of the spring in Thermalito, is a moderately hot month, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 77.5°F (25.3°C). May's onset brings a subtle temperature rise, moving from an agreeable 68.9°F (20.5°C) in April to a warm 77.5°F (25.3°C). Weather in May »

Weather in June

June, the first month of the summer in Thermalito, is a hot month, with an average temperature fluctuating between 88.3°F (31.3°C) and 60.1°F (15.6°C). Entering June, Thermalito sees a temperature rise, with the average high-temperature advancing from May's warm 77.5°F (25.3°C) to a tropical 88.3°F (31.3°C). Weather in June »

Weather in July

July in Thermalito, California, is a sweltering summer month, with an average temperature ranging between max 95.9°F (35.5°C) and min 63.7°F (17.6°C). Temperature readings reach their annual highs in July, averaging 95.9°F (35.5°C) and a minimum average of 63.7°F (17.6°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Thermalito, California, with an average temperature varying between 62.2°F (16.8°C) and 94.6°F (34.8°C). A minor adjustment in Thermalito's average high-temperature is noted with the start of August, touching a hot 94.6°F (34.8°C) from July's 95.9°F (35.5°C). Weather in August »

Weather in September

September, the first month of the autumn in Thermalito, is also a hot month, with an average temperature varying between 61°F (16.1°C) and 88.9°F (31.6°C). September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a hot 94.6°F (34.8°C) in August to a still tropical 88.9°F (31.6°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Thermalito, California, with an average temperature fluctuating between 54°F (12.2°C) and 76.1°F (24.5°C). During the transition into October, Thermalito observes a decrease in the average high-temperature, falling from a hot 88.9°F (31.6°C) in September to a moderately hot 76.1°F (24.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Thermalito, California, with an average temperature varying between 45.7°F (7.6°C) and 63.1°F (17.3°C). Transition into November marks a drop in the average high-temperature, moving from a warm 76.1°F (24.5°C) in October to a refreshing 63.1°F (17.3°C). Weather in November »

Weather in December

December, the first month of the winter in Thermalito, is also a fresh month, with an average temperature fluctuating between 54.5°F (12.5°C) and 40.6°F (4.8°C). December, with an average high of 54.5°F (12.5°C) and a low of 40.6°F (4.8°C), signifies the coldest month of the year. Weather in December »
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Frequently asked questions

How much does it rain in Thermalito?

In Thermalito, California, during the entire year, the rain falls for 80.4 days and collects up to 24.21" (615mm) of precipitation.

When it does not snow in Thermalito?

January through November are months without snowfall in Thermalito, California.

How many days does it snow in Thermalito?

In Thermalito, during the entire year, snow falls for 0.1 days.

When is the lowest UV index in Thermalito?

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

What is the most humid month in Thermalito?

The most humid month is March, with an average relative humidity of 72%.

What is the rainiest month in Thermalito?

The month with the most rainfall is March, when the rain falls for 14.3 days and typically aggregates up to 4.61" (117mm) of precipitation.

When is Daylight Saving Time (DST) in Thermalito?

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

The month with the longest days is June, with an average of 14h and 54min of daylight.

What are the months with the highest UV index in Thermalito?

The months with the highest UV index are June and July, with an average maximum UV index of 7.

What month is the hottest in Thermalito?

Thermalito's temperatures peak on average in July, reaching 95.9°F (35.5°C) at their highest and 63.7°F (17.6°C) at their lowest.

What is the least humid month in Thermalito?

With an average relative humidity of 33%, July is the least humid month.

What is the driest month in Thermalito?

The month with the least rainfall in Thermalito is July, when the rain falls for 1.3 days and typically collects 0.04" (1mm) of precipitation.

What month has the most sunshine in Thermalito?

The month with the most sunshine in Thermalito, California, is July, with an average of 12.1h of sunshine.

What is the coldest month in Thermalito?

In Thermalito, December registers the lowest temperatures, averaging 54.5°F (12.5°C) at the peak and 40.6°F (4.8°C) at the lowest.

When does it snow in Thermalito?

December is the only month when snow falls in Thermalito.

When does it snow the most in Thermalito?

December has the most snowfall days of the year in Thermalito, California. Snow falls for 0.1 days.

What is the month with the shortest days in Thermalito?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Thermalito?

With an average of 5.8h of sunshine, December has the least sunshine of the year.

Average temperature
Thermalito, CA

Average temperature - Thermalito, CA

The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (54.5°F).

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).

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Average pressure
Thermalito, CA

Average pressure - Thermalito, CA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed
Thermalito, CA

Average wind speed - Thermalito, CA

The windiest month (with the highest average wind speed) is March (6.3mph).
The calmest months (with the lowest average wind speed) are August and November (5.2mph).

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Average rainfall
Thermalito, CA

Average rainfall - Thermalito, CA

The wettest month (with the highest rainfall) is March (4.61").
The driest month (with the least rainfall) is July (0.04").

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Average rainfall days
Thermalito, CA

Average rainfall days - Thermalito, CA

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (1.3 days).

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Average snowfall days
Thermalito, CA

Average snowfall days - Thermalito, CA

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

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Average daylight / Average sunshine
Thermalito, CA

Average daylight / Average sunshine - Thermalito, 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 24min).

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days
Thermalito, CA

Average sunshine days - Thermalito, CA

The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (15.5 days).

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Average UV index
Thermalito, CA

Average UV index - Thermalito, CA

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Thermalito, CA

Average visibility - Thermalito, 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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Thermalito, California, USA

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