Monthly weather forecast and climate
Thermalito, CA

Weather in January

January in Thermalito, California, is a mild winter month, with average temperature varying between 41.9°F (5.5°C) and 56.8°F (13.8°C). In Thermalito, California, the average high-temperature is almost the same as in December - a moderate 56.8°F (13.8°C). Weather in January »

Weather in February

February, the last month of the winter, in Thermalito, is another mild month, with average temperature ranging between max 58.6°F (14.8°C) and min 41.7°F (5.4°C). In Thermalito, California, the average high-temperature in February is relatively the same as in January - a still mild 58.6°F (14.8°C). Weather in February »

Weather in March

March, the first month of the spring, in Thermalito, is an enjoyable month, with average temperature varying between 61.3°F (16.3°C) and 43.9°F (6.6°C). In Thermalito, the average high-temperature is relatively the same as in February - an enjoyable 61.3°F (16.3°C). Weather in March »

Weather in April

April is a pleasant spring month in Thermalito, California, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 47.7°F (8.7°C). In April, the average high-temperature slightly increases, from a comfortable 61.3°F (16.3°C) in March, to an agreeable 68.9°F (20.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Thermalito, California, with average temperature fluctuating between 77.5°F (25.3°C) and 53.1°F (11.7°C). In Thermalito, California, the average high-temperature slightly increases, from a pleasant 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 average temperature ranging between min 60.1°F (15.6°C) and max 88.3°F (31.3°C). In Thermalito, the average high-temperature increases, from a warm 77.5°F (25.3°C) in May, to a hot 88.3°F (31.3°C). Weather in June »

Weather in July

July is a sweltering summer month in Thermalito, California, with average temperature varying between 63.7°F (17.6°C) and 95.9°F (35.5°C). July is the warmest month, with an average high-temperature of 95.9°F (35.5°C) and an average low-temperature 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 average temperature fluctuating between 94.6°F (34.8°C) and 62.2°F (16.8°C). In August, the average high-temperature is essentially the same as in July - a tropical 94.6°F (34.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in Thermalito, California, with average temperature fluctuating between 61°F (16.1°C) and 88.9°F (31.6°C). In Thermalito, the average high-temperature in September marginally drops, from a tropical 94.6°F (34.8°C) in August, to a still hot 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 average temperature fluctuating between 76.1°F (24.5°C) and 54°F (12.2°C). In October, the average high-temperature drops, 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 average temperature varying between 45.7°F (7.6°C) and 63.1°F (17.3°C). In Thermalito, the average high-temperature decreases, from a warm 76.1°F (24.5°C) in October, to a comfortable 63.1°F (17.3°C). Weather in November »

Weather in December

December, the first month of the winter, in Thermalito, is still a cool month, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 54.5°F (12.5°C). The coldest month is December, with an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 40.6°F (4.8°C). Weather in December »
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FAQ

How much does it rain in Thermalito?

Throughout the year, in Thermalito, California, there are 80.4 rainfall days, and 24.21" (615mm) of precipitation is accumulated.

How many days does it snow in Thermalito?

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

When it does not snow in Thermalito?

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

When is the lowest UV index in Thermalito?

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

What is the most humid month in Thermalito?

With an average relative humidity of 72%, March is the most humid month in Thermalito.

What is the wettest month in Thermalito?

March is the month with the most rainfall in Thermalito. Rain falls for 14.3 days and accumulates 4.61" (117mm) of precipitation.

When are the longest days in Thermalito?

The month with the longest days in Thermalito is June, with an average of 14.9h of daylight.

When is the highest UV index in Thermalito?

Months with the highest UV index in Thermalito, California, are June and July, with an average maximum UV index of 7.

What is the warmest month in Thermalito?

With an average high-temperature of 95.9°F (35.5°C) and an average low-temperature of 63.7°F (17.6°C), July is the warmest month.

What is the least humid month in Thermalito?

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

What is the driest month in Thermalito?

The month with the least rainfall 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?

July has the most sunshine of the year, with an average of 12.1h of sunshine.

What is the coldest month in Thermalito?

With an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 40.6°F (4.8°C), December is the coldest month in Thermalito, California.

When does it snow in Thermalito?

December is the only month when snow falls in Thermalito.

When does it snow the most in Thermalito?

The month with the most snowfall days in Thermalito, California, is December when snow falls for 0.1 days.

What is the month with the shortest days in Thermalito?

The month with the shortest days is December, with an average of 9.4h of daylight.

What is the month with the least sunshine in Thermalito?

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

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").
The month with the lowest atmospheric pressure is June (29.9").

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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).
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: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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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

Months with the highest UV index are June and July (UV index 7).
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

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

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