Climate and monthly weather forecast
Monterey, CA

The rugged mountainous coast of Big Sur in Monterey, California
The rugged mountainous coast of Big Sur in Monterey, California

Weather in January

January, the same as December, in Monterey, California, is a moderate winter month, with an average temperature fluctuating between 46.4°F (8°C) and 59°F (15°C). In January, the average high-temperature is essentially the same as in December - a still moderate 59°F (15°C). Weather in January »

Weather in February

The last month of the winter, February, is another mild month in Monterey, California, with an average temperature fluctuating between 58.1°F (14.5°C) and 46°F (7.8°C). In February, the average high-temperature is almost the same as in January - a still mild 58.1°F (14.5°C). Weather in February »

Weather in March

The first month of the spring, March, is also a moderate month in Monterey, California, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 59.5°F (15.3°C). In Monterey, the average high-temperature in March is essentially the same as in February - a still moderate 59.5°F (15.3°C). Weather in March »

Weather in April

April is an enjoyable spring month in Monterey, California, with an average temperature fluctuating between 47.3°F (8.5°C) and 61.3°F (16.3°C). In April, the average high-temperature is essentially the same as in March - a comfortable 61.3°F (16.3°C). Weather in April »

Weather in May

May, the last month of the spring in Monterey, is another comfortable month, with an average temperature varying between 49.5°F (9.7°C) and 63.9°F (17.7°C). In Monterey, the average high-temperature in May is practically the same as in April - a still enjoyable 63.9°F (17.7°C). Weather in May »

Weather in June

June, the first month of the summer in Monterey, is a pleasant month, with an average temperature fluctuating between 68.4°F (20.2°C) and 52.3°F (11.3°C). In Monterey, the average high-temperature in June is relatively the same as in May - a pleasant 68.4°F (20.2°C). Weather in June »

Weather in July

July, like June, is another pleasant summer month in Monterey, California, with an average temperature ranging between min 54.5°F (12.5°C) and max 71.2°F (21.8°C). In Monterey, the average high-temperature in July is relatively the same as in June - a still agreeable 71.2°F (21.8°C). Weather in July »

Weather in August

August, the last month of the summer in Monterey, is another pleasant month, with an average temperature fluctuating between 55.2°F (12.9°C) and 72.1°F (22.3°C). In August, the average high-temperature is essentially the same as in July - a still pleasant 72.1°F (22.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Monterey, California, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 55.2°F (12.9°C). September is the warmest month, with an average high-temperature of 72.5°F (22.5°C) and an average low-temperature of 55.2°F (12.9°C). Weather in September »

Weather in October

October, the same as September, in Monterey, California, is an agreeable autumn month, with an average temperature ranging between min 53.6°F (12°C) and max 68.7°F (20.4°C). In Monterey, the average high-temperature in October is almost the same as in September - a still agreeable 68.7°F (20.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Monterey, is another comfortable month, with an average temperature varying between 49.8°F (9.9°C) and 62.8°F (17.1°C). In November, the average high-temperature marginally drops from an agreeable 68.7°F (20.4°C) in October to a comfortable 62.8°F (17.1°C). Weather in November »

Weather in December

December, the first month of the winter in Monterey, is still a mild month, with an average temperature fluctuating between 57.2°F (14°C) and 46.4°F (8°C). With an average high-temperature of 57.2°F (14°C) and an average low-temperature of 46.4°F (8°C), December is the coldest month. Weather in December »
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FAQ

How many days does it rain in Monterey?

Throughout the year, there are 73.6 rainfall days, and 11.77" (299mm) of precipitation is accumulated.

What are the most humid months in Monterey?

The months with the highest humidity in Monterey, California, are March and May, with an average relative humidity of 76%.

When is Daylight Saving Time (DST) in Monterey?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Monterey, California, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from PDT to PST.

When is the ocean coldest in Monterey?

The month with the coldest seawater is April, with an average ocean temperature of 53.8°F (12.1°C).

When are the longest days in Monterey?

The month with the longest days in Monterey is June, with an average of 14h and 37min of daylight.

When is the highest UV index in Monterey?

The months with the highest UV index in Monterey, California, are June through September, with an average maximum UV index of 5.

What is the driest month in Monterey?

The months with the least rainfall are July and August Rain falls for 2.4 days and accumulates 0.08" (2mm) of rain.

What month has the most sunshine in Monterey?

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

When is the ocean warmest in Monterey?

August and September, with an average ocean temperature of 58.1°F (14.5°C), are months with the warmest seawater in Monterey, California.

What is the warmest month in Monterey?

The warmest month in Monterey is September, with an average high-temperature of 72.5°F (22.5°C) and an average low-temperature of 55.2°F (12.9°C).

What is the least humid month in Monterey?

The least humid month is November, with an average relative humidity of 68%.

What is the coldest month in Monterey?

December is the coldest month in Monterey, California, with an average high-temperature of 57.2°F (14°C) and an average low-temperature of 46.4°F (8°C).

What is the rainiest month in Monterey?

The month with the most rainfall is December, when the rain falls for 9.9 days and typically aggregates up to 2.4" (61mm) of precipitation.

What is the month with the shortest days in Monterey?

December has the shortest days of the year in Monterey, California, with an average of 9h and 43min of daylight.

What is the month with the least sunshine in Monterey?

With an average of 6h of sunshine, December has the least sunshine of the year in Monterey, California.

When is the lowest UV index in Monterey?

The month with the lowest UV index is December, with an average maximum UV index of 3.

Average temperature
Monterey, CA

Average temperature - Monterey, CA

The warmest month (with the highest average high temperature) is September (72.5°F).
The month with the lowest average high temperature is December (57.2°F).

The months with the highest average low temperature are August and September (55.2°F).
The coldest month (with the lowest average low temperature) is February (46°F).

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Average pressure
Monterey, CA

Average pressure - Monterey, CA

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

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Average wind speed
Monterey, CA

Average wind speed - Monterey, CA

The windiest months (with the highest average wind speed) are April and May (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity
Monterey, CA

Average humidity - Monterey, CA

The months with the highest relative humidity are March and May (76%).
The month with the lowest relative humidity is November (68%).

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Average rainfall
Monterey, CA

Average rainfall - Monterey, CA

The wettest month (with the highest rainfall) is December (2.4").
The driest months (with the least rainfall) are July and August (0.08").

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Average rainfall days
Monterey, CA

Average rainfall days - Monterey, CA

The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (1.1 days).

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Average sea temperature
Monterey, CA

Average sea temperature - Monterey, CA

The best months for swimming (with the highest average sea temperature) are August and September (58.1°F).
The coldest month (with the lowest average sea temperature) is April (53.8°F).

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Average daylight / Average sunshine
Monterey, CA

Average daylight / Average sunshine - Monterey, CA

The month with the longest days is June (Average daylight: 14h and 37min).
The month with the shortest days is December (Average daylight: 9h and 43min).

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

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Average sunshine days
Monterey, CA

Average sunshine days - Monterey, CA

The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is March (16.8 days).

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Average visibility
Monterey, CA

Average visibility - Monterey, 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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