Climate and monthly weather forecast
Monte Sereno, CA

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Weather in January

January, like December, is a moderate winter month in Monte Sereno, California, with temperature in the range of an average high of 58.5°F (14.7°C) and an average low of 43.9°F (6.6°C). The commencement of January brings an average high-temperature of a still moderate 58.5°F (14.7°C), marking an inconsequential divergence from December. Weather in January »

Weather in February

The last month of the winter, February, is also a moderate month in Monte Sereno, California, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 43.5°F (6.4°C). Monte Sereno records a slight change with February's average high-temperatures adjusting to a still mild 59.5°F (15.3°C) from January's 58.5°F (14.7°C). Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in Monte Sereno, California, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 44.1°F (6.7°C). March's onset brings an average high-temperature of a still refreshing 62.2°F (16.8°C), showing a minute difference from February's 59.5°F (15.3°C). Weather in March »

Weather in April

April, the same as March, is another enjoyable spring month in Monte Sereno, California, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 66°F (18.9°C). April's average high-temperature is a still comfortable 66°F (18.9°C), maintaining a close comparison with March's 62.2°F (16.8°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Monte Sereno, California, with an average temperature ranging between max 69.6°F (20.9°C) and min 48.4°F (9.1°C). Monte Sereno measures an average high-temperature of a pleasant 69.6°F (20.9°C) in May, nearly consistent with the preceding month. Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Monte Sereno, California, with an average temperature fluctuating between 77.2°F (25.1°C) and 52.3°F (11.3°C). As June begins, there's a slight increase in the average high-temperature, moving from an agreeable 69.6°F (20.9°C) in May to a moderately hot 77.2°F (25.1°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Monte Sereno, California, with an average temperature ranging between min 54.7°F (12.6°C) and max 80.8°F (27.1°C). The average temperatures reach their apex in July, averaging 80.8°F (27.1°C) at the high end and 54.7°F (12.6°C) at the low end. For most parts of July, the heat index is appraised at 82.4°F (28°C). Weather in July »

Weather in August

August, the last month of the summer in Monte Sereno, is also a moderately hot month, with an average temperature varying between 80.4°F (26.9°C) and 55.9°F (13.3°C). Monte Sereno ushers in August with an average high-temperature of a still moderately hot 80.4°F (26.9°C), showing a close resemblance to the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Monte Sereno, California, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 55.6°F (13.1°C). September denotes a minimal variation in the average high-temperature to a still moderately hot 78.4°F (25.8°C) from August's 80.4°F (26.9°C). Weather in September »

Weather in October

October, the same as September, in Monte Sereno, California, is another pleasant autumn month, with an average temperature varying between 53.1°F (11.7°C) and 72.3°F (22.4°C). The shift from September to October includes a minor decrease in the average high-temperature, lightly dropping from a moderately hot 78.4°F (25.8°C) to an agreeable 72.3°F (22.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Monte Sereno, California, with an average temperature fluctuating between 47.7°F (8.7°C) and 64°F (17.8°C). November brings a slight decrease in the average high-temperature, shifting from a pleasant 72.3°F (22.4°C) in October to a comfortable 64°F (17.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a refreshing month in Monte Sereno, California, with temperature in the range of an average high of 56.7°F (13.7°C) and an average low of 43.7°F (6.5°C). In Monte Sereno, California, the month of December is known for its lowest average temperatures, reaching a high of 56.7°F (13.7°C) and a low of 43.7°F (6.5°C). Weather in December »
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Frequently asked questions

How much does it rain in Monte Sereno?

Throughout the year, in Monte Sereno, there are 68.6 rainfall days, and 11.57" (294mm) of precipitation is accumulated.

What are the months with the lowest UV index in Monte Sereno?

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

What is the rainiest month in Monte Sereno?

The month with the most rainfall is February, when the rain falls for 8.2 days and typically aggregates up to 2.2" (56mm) of precipitation.

What is the most humid month in Monte Sereno?

March is the most humid month in Monte Sereno, California, with an average relative humidity of 74%.

When is Daylight Saving Time (DST) in Monte Sereno?

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 Monte Sereno?

With an average of 14h and 42min of daylight, June has the longest days of the year in Monte Sereno, California.

When is the highest UV index in Monte Sereno?

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

What is the warmest month in Monte Sereno?

July, known for its average high temperature of 80.8°F (27.1°C) and an average low temperature of 54.7°F (12.6°C), is the warmest month in Monte Sereno, California.

What is the least humid month in Monte Sereno?

July and September, with an average relative humidity of 62%, are the least humid months in Monte Sereno.

What is the driest month in Monte Sereno?

July and August are months with the least rain when the rain falls for 1.4 days and typically aggregates up to 0.04" (1mm) of rain.

What month has the most sunshine in Monte Sereno?

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

What is the coldest month in Monte Sereno?

Temperature records mark December as the coldest month, with highs averaging 56.7°F (13.7°C) and lows at 43.7°F (6.5°C).

What is the month with the shortest days in Monte Sereno?

December has the shortest days of the year, with an average of 9h and 42min of daylight.

What is the month with the least sunshine in Monte Sereno?

December has the least sunshine of the year in Monte Sereno, California, with an average of 6h of sunshine.

Average temperature
Monte Sereno, CA

Average temperature - Monte Sereno, CA

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (56.7°F).

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).

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Average pressure
Monte Sereno, CA

Average pressure - Monte Sereno, CA

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June and September (29.92"Hg).

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Average wind speed
Monte Sereno, CA

Average wind speed - Monte Sereno, CA

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are August, September, October and November (4.5mph).

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Average humidity
Monte Sereno, CA

Average humidity - Monte Sereno, CA

The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (62%).

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Average rainfall
Monte Sereno, CA

Average rainfall - Monte Sereno, CA

The wettest month (with the highest rainfall) is February (2.2").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Monte Sereno, CA

Average rainfall days - Monte Sereno, CA

The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (0.9 days).

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Average daylight / Average sunshine
Monte Sereno, CA

Average daylight / Average sunshine - Monte Sereno, CA

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days
Monte Sereno, CA

Average sunshine days - Monte Sereno, CA

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (17.3 days).

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Average UV index
Monte Sereno, CA

Average UV index - Monte Sereno, 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
Monte Sereno, CA

Average visibility - Monte Sereno, 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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Monte Sereno, California, USA

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