Climate and monthly weather forecast
Vallecito, CA

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Weather in January

January in Vallecito, California, is a refreshing winter month, with an average temperature ranging between min 39.2°F (4°C) and max 55.9°F (13.3°C). Transitioning into January, Vallecito records an average high-temperature of a moderate 55.9°F (13.3°C), almost identical to December's 53.2°F (11.8°C). Weather in January »

Weather in February

February, the last month of the winter in Vallecito, is another refreshing month, with temperature in the range of an average low of 39°F (3.9°C) and an average high of 56.3°F (13.5°C). During February, Vallecito observes a subtle ascent to a still mild 56.3°F (13.5°C) from January's 55.9°F (13.3°C) in the average high-temperature. Weather in February »

Weather in March

March, the first month of the spring in Vallecito, is also a moderate month, with an average temperature ranging between max 59.9°F (15.5°C) and min 40.8°F (4.9°C). In March, Vallecito experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 56.3°F (13.5°C) in February to a still moderate 59.9°F (15.5°C). Weather in March »

Weather in April

April in Vallecito, California, is a refreshing spring month, with an average temperature fluctuating between 44.1°F (6.7°C) and 65.8°F (18.8°C). A gentle upsurge in temperatures occurs as March gives way to April, with average highs shifting from a moderate 59.9°F (15.5°C) to a comfortable 65.8°F (18.8°C). Weather in April »

Weather in May

May, the last month of the spring in Vallecito, is a warm month, with an average temperature ranging between max 73.4°F (23°C) and min 49.6°F (9.8°C). May's onset is marked by a subtle temperature increase, moving from a comfortable 65.8°F (18.8°C) in April to a moderately hot 73.4°F (23°C). Weather in May »

Weather in June

June, the first month of the summer in Vallecito, is still a warm month, with an average temperature fluctuating between 56.8°F (13.8°C) and 84.2°F (29°C). As Vallecito welcomes June, the average high-temperature sees a rise, transitioning from a moderately hot 73.4°F (23°C) in May to a still warm 84.2°F (29°C). Weather in June »

Weather in July

July in Vallecito, California, is a hot summer month, with an average temperature varying between 62.6°F (17°C) and 91.9°F (33.3°C). Vallecito experiences its highest temperatures in July, with an average peak of 91.9°F (33.3°C) and a low of 62.6°F (17°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Vallecito, California, with an average temperature fluctuating between 62.2°F (16.8°C) and 90.9°F (32.7°C). The transition from July to August sees an average high-temperature of a still tropical 90.9°F (32.7°C), indicating a minor variance from the prior month. Weather in August »

Weather in September

September, the first month of the autumn in Vallecito, is also a moderately hot month, with temperature in the range of an average high of 85.3°F (29.6°C) and an average low of 58.8°F (14.9°C). In Vallecito, the average high-temperature in September gently drops from a tropical 90.9°F (32.7°C) in August to a moderately hot 85.3°F (29.6°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Vallecito, California, with an average temperature varying between 73.8°F (23.2°C) and 51.8°F (11°C). In October, the average high-temperature decreases from a warm 85.3°F (29.6°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 Vallecito, is another comfortable month, with an average temperature varying between 62.1°F (16.7°C) and 43.7°F (6.5°C). Transition from October to November is accompanied by a temperature drop, with average high-temperatures decreasing from a warm 73.8°F (23.2°C) to an enjoyable 62.1°F (16.7°C). Weather in November »

Weather in December

December, the first month of the winter in Vallecito, is also a fresh month, with temperature in the range of an average low of 37.8°F (3.2°C) and an average high of 53.2°F (11.8°C). December is the month when Vallecito experiences its coldest temperatures, averaging a high of 53.2°F (11.8°C) and a low of 37.8°F (3.2°C). Weather in December »
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Frequently asked questions

How much does it rain in Vallecito?

In Vallecito, during the entire year, the rain falls for 74.4 days and collects up to 22.87" (581mm) of precipitation.

When does it snow in Vallecito?

January through March, November and December are months with snowfall in Vallecito.

How many days does it snow in Vallecito?

Throughout the year, in Vallecito, California, there are 2.2 snowfall days, and 4.09" (104mm) of snow is accumulated.

When does it snow the most in Vallecito?

February is the month with the most snowfall. Snow falls for 1.2 days and accumulates 2.32" (59mm) of snow.

What is the most humid month in Vallecito?

The most humid month is March, with an average relative humidity of 71%.

What is the wettest month in Vallecito?

The month with the most rainfall in Vallecito is March, when the rain falls for 13 days and typically aggregates up to 4.76" (121mm) of precipitation.

When is Daylight Saving Time (DST) in Vallecito?

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 in Vallecito?

April through October are months without snowfall.

When are the longest days in Vallecito?

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

When is the highest UV index in Vallecito?

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

What are the warmest months in Vallecito?

Vallecito, California, notes the warmest temperatures in July, with a average high of 91.9°F (33.3°C) and a low of 62.6°F (17°C).

What are the least humid months in Vallecito?

July and August, with an average relative humidity of 34%, are the least humid months in Vallecito.

What is the driest month in Vallecito?

The months with the least rainfall are July and August Rain falls for 1.4 days and accumulates 0.04" (1mm) of rain.

What month has the most sunshine in Vallecito?

July has the most sunshine of the year in Vallecito, California, with an average of 12.2h of sunshine.

When is the lowest UV index in Vallecito?

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

What month is the coldest in Vallecito?

With average temperatures fluctuating between a high of 53.2°F (11.8°C) and a low of 37.8°F (3.2°C), December stands out as the coldest month in Vallecito, California.

What is the month with the shortest days in Vallecito?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

What is the month with the least sunshine in Vallecito?

The month with the least sunshine in Vallecito is December, with an average of 5.8h of sunshine.

Average temperature
Vallecito, CA

Average temperature - Vallecito, CA

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.2°F).

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).

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Average pressure
Vallecito, CA

Average pressure - Vallecito, CA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Vallecito, CA

Average wind speed - Vallecito, CA

The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

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Average humidity
Vallecito, CA

Average humidity - Vallecito, CA

The month with the highest relative humidity is March (71%).
The months with the lowest relative humidity are July and August (34%).

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Average rainfall
Vallecito, CA

Average rainfall - Vallecito, CA

The wettest month (with the highest rainfall) is March (4.76").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Vallecito, CA

Average rainfall days - Vallecito, CA

The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (1.2 days).

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Average snowfall
Vallecito, CA

Average snowfall - Vallecito, CA

The month with the highest snowfall is February (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Vallecito, CA

Average snowfall days - Vallecito, CA

The month with the highest number of snowfall days is February (1.2 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
Vallecito, CA

Average daylight / Average sunshine - Vallecito, 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 36min).

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

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Average sunshine days
Vallecito, CA

Average sunshine days - Vallecito, CA

The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (16.8 days).

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Average visibility
Vallecito, CA

Average visibility - Vallecito, 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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Vallecito, California, USA

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