Climate and monthly weather forecast
Grover Beach, CA

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Weather in January

January, the same as December, is another enjoyable winter month in Grover Beach, California, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 47.5°F (8.6°C). During January, the average high-temperature is a still refreshing 63°F (17.2°C), maintaining a close resemblance to that of the preceding month. Weather in January »

Weather in February

February, the last month of the winter in Grover Beach, is also an enjoyable month, with an average temperature fluctuating between 62.2°F (16.8°C) and 46°F (7.8°C). During February, Grover Beach observes a subtle ascent to a still enjoyable 62.2°F (16.8°C) from January's 63°F (17.2°C) in the average high-temperature. Weather in February »

Weather in March

The first month of the spring, March, is also an enjoyable month in Grover Beach, California, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 46.9°F (8.3°C). Grover Beach's transition from February to March introduces an average high-temperature of a still refreshing 64.9°F (18.3°C), marking an insignificant variation from the 62.2°F (16.8°C). Weather in March »

Weather in April

April, the same as March, is another comfortable spring month in Grover Beach, California, with temperature in the range of an average low of 48.6°F (9.2°C) and an average high of 67.6°F (19.8°C). April's advent presents an average high-temperature of a still refreshing 67.6°F (19.8°C), indicating a slight variation from the conditions of the previous month. Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Grover Beach, California, with an average temperature ranging between max 70.5°F (21.4°C) and min 51.4°F (10.8°C). The arrival of May records an average high-temperature of an agreeable 70.5°F (21.4°C), closely related to the 67.6°F (19.8°C) observed in April. Weather in May »

Weather in June

June, the first month of the summer in Grover Beach, is a moderately hot month, with an average temperature varying between 55°F (12.8°C) and 75.4°F (24.1°C). A minor adjustment in Grover Beach's average high-temperature is noted with the start of June, touching a moderately hot 75.4°F (24.1°C) from May's 70.5°F (21.4°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Grover Beach, California, with an average temperature varying between 78.6°F (25.9°C) and 58.5°F (14.7°C). The ushering in of July brings an average high-temperature of a still moderately hot 78.6°F (25.9°C), closely mirroring the 75.4°F (24.1°C) of June. Weather in July »

Weather in August

August, the last month of the summer in Grover Beach, is another warm month, with an average temperature fluctuating between 78.8°F (26°C) and 59.2°F (15.1°C). Grover Beach starts August with an average high-temperature of a still warm 78.8°F (26°C), a minor shift from July's 78.6°F (25.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Grover Beach, California, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 79.5°F (26.4°C). September is Grover Beach's warmest month, registering average high temperatures of 79.5°F (26.4°C) and lows of 59.9°F (15.5°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Grover Beach, California, with an average temperature varying between 74.3°F (23.5°C) and 56.7°F (13.7°C). Grover Beach indicates an average high-temperature of a still warm 74.3°F (23.5°C) in October, showing minor variation from September's 79.5°F (26.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Grover Beach, California, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 51.4°F (10.8°C). November heralds a minor drop in average high-temperature, sliding from October's moderately hot 74.3°F (23.5°C) to a refreshing 67.8°F (19.9°C). Weather in November »

Weather in December

December, the first month of the winter in Grover Beach, is still a refreshing month, with an average temperature varying between 61.2°F (16.2°C) and 46.8°F (8.2°C). In Grover Beach, December is the month with the lowest recorded average temperatures, measuring a high of 61.2°F (16.2°C) and a low of 46.8°F (8.2°C). Weather in December »
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Frequently asked questions

How much does it rain in Grover Beach?

Throughout the year, in Grover Beach, California, there are 47.6 rainfall days, and 6.93" (176mm) of precipitation is accumulated.

When is the lowest UV index in Grover Beach?

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Grover Beach.

What is the month with the least sunshine in Grover Beach?

The months with the least sunshine in Grover Beach are February and December, with an average of 6.5h of sunshine.

What is the most humid month in Grover Beach?

The most humid month in Grover Beach is March, with an average relative humidity of 68%.

What is the rainiest month in Grover Beach?

March is the month with the most rainfall. Rain falls for 8.4 days and accumulates 1.61" (41mm) of precipitation.

When is Daylight Saving Time (DST) in Grover Beach?

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.

What is the driest month in Grover Beach?

The months with the least rainfall in Grover Beach are June and August Rain falls for 1 days and accumulates 0.04" (1mm) of rain.

When are the longest days in Grover Beach?

The month with the longest days in Grover Beach, California, is June, with an average of 14h and 30min of daylight.

What is the month with the most sunshine in Grover Beach?

The months with the most sunshine in Grover Beach, California, are June through August, with an average of 12h of sunshine.

What is the month with the highest UV index in Grover Beach?

The months with the highest UV index in Grover Beach are June and August, with an average maximum UV index of 6.

What month is the hottest in Grover Beach?

The warmest month in Grover Beach is September, with an average high-temperature of 79.5°F (26.4°C) and an average low-temperature of 59.9°F (15.5°C).

What is the least humid month in Grover Beach?

The least humid month is October, with an average relative humidity of 58%.

What part of the year is the coldest in Grover Beach?

December, with average temperatures reaching a high of 61.2°F (16.2°C) and a low of 46.8°F (8.2°C), is the coldest month in Grover Beach, California.

What is the month with the shortest days in Grover Beach?

With an average of 9h and 48min of daylight, December has the shortest days of the year.

Average temperature
Grover Beach, CA

Average temperature - Grover Beach, CA

The warmest month (with the highest average high temperature) is September (79.5°F).
The month with the lowest average high temperature is December (61.2°F).

The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (46°F).

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Average pressure
Grover Beach, CA

Average pressure - Grover Beach, CA

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

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Average wind speed
Grover Beach, CA

Average wind speed - Grover Beach, CA

The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average rainfall
Grover Beach, CA

Average rainfall - Grover Beach, CA

The wettest month (with the highest rainfall) is March (1.61").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days
Grover Beach, CA

Average rainfall days - Grover Beach, CA

The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (0.8 days).

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Average daylight / Average sunshine
Grover Beach, CA

Average daylight / Average sunshine - Grover Beach, CA

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).

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Average sunshine days
Grover Beach, CA

Average sunshine days - Grover Beach, CA

The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is February (21 days).

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Average UV index
Grover Beach, CA

Average UV index - Grover Beach, CA

The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average visibility
Grover Beach, CA

Average visibility - Grover Beach, 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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Grover Beach, California, USA

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