Monthly weather forecast and climate
Garden Grove, CA

Weather in January

January, the same as December, is another comfortable winter month in Garden Grove, California, with average temperature ranging between min 52.3°F (11.3°C) and max 65.1°F (18.4°C). In January, the average high-temperature is practically the same as in December - a still enjoyable 65.1°F (18.4°C). Weather in January »

Weather in February

The last month of the winter, February, is another comfortable month in Garden Grove, California, with average temperature ranging between max 64.4°F (18°C) and min 51.4°F (10.8°C). In Garden Grove, California, the average high-temperature is practically the same as in January - a still comfortable 64.4°F (18°C). Weather in February »

Weather in March

March, the first month of the spring, in Garden Grove, is still a comfortable month, with average temperature fluctuating between 66.7°F (19.3°C) and 52.7°F (11.5°C). In March, the average high-temperature is essentially the same as in February - a still comfortable 66.7°F (19.3°C). Weather in March »

Weather in April

April in Garden Grove, California, is an agreeable spring month, with average temperature fluctuating between 68.7°F (20.4°C) and 54.7°F (12.6°C). In Garden Grove, the average high-temperature in April is almost the same as in March - a pleasant 68.7°F (20.4°C). Weather in April »

Weather in May

May, the last month of the spring, in Garden Grove, is also an agreeable month, with average temperature varying between 70.3°F (21.3°C) and 56.5°F (13.6°C). In Garden Grove, the average high-temperature in May is relatively the same as in April - a still agreeable 70.3°F (21.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Garden Grove, California, with average temperature fluctuating between 74.1°F (23.4°C) and 58.8°F (14.9°C). In Garden Grove, California, the average high-temperature in June is practically the same as in May - a moderately hot 74.1°F (23.4°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Garden Grove, California, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 63.3°F (17.4°C). In July, the average high-temperature is almost the same as in June - a still warm 78.6°F (25.9°C). Weather in July »

Weather in August

August, the last month of the summer, in Garden Grove, is another warm month, with average temperature varying between 80.2°F (26.8°C) and 65.1°F (18.4°C). August is the warmest month, with an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 65.1°F (18.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Garden Grove, California, with average temperature varying between 79.7°F (26.5°C) and 64.8°F (18.2°C). In September, the average high-temperature is practically the same as in August - a still warm 79.7°F (26.5°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Garden Grove, California, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 75.4°F (24.1°C). In Garden Grove, California, the average high-temperature is practically the same as in September - a still warm 75.4°F (24.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in Garden Grove, California, with average temperature ranging between max 70.2°F (21.2°C) and min 57.4°F (14.1°C). In November, the average high-temperature is practically the same as in October - an agreeable 70.2°F (21.2°C). Weather in November »

Weather in December

December, the first month of the winter, in Garden Grove, is also an enjoyable month, with average temperature varying between 52.2°F (11.2°C) and 63.5°F (17.5°C). The coldest month is December, with an average high-temperature of 63.5°F (17.5°C) and an average low-temperature of 52.2°F (11.2°C). Weather in December »
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FAQ

How many days does it rain in Garden Grove?

In Garden Grove, California, during the entire year, the rain falls for 39.3 days and collects up to 2.95" (75mm) of precipitation.

What is the month with the lowest UV index in Garden Grove?

January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Garden Grove.

What is the most humid month in Garden Grove?

The most humid month is June, with an average relative humidity of 69%.

What is the driest month in Garden Grove?

June is the only month when rain does not fall in Garden Grove.

When are the longest days in Garden Grove?

The month with the longest days in Garden Grove is June, with an average of 14.4h of daylight.

What is the month with the highest UV index in Garden Grove?

Months with the highest UV index are June through September, with an average maximum UV index of 6.

When does it rain in Garden Grove?

Months with rainfall are January through May, July through December.

What are the months with the most sunshine in Garden Grove?

July and August, with an average of 12h of sunshine, are months with the most sunshine in Garden Grove, California.

What is the warmest month in Garden Grove?

August is the warmest month in Garden Grove, with an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 65.1°F (18.4°C).

What is the least humid month in Garden Grove?

The least humid month in Garden Grove, California, is November, with an average relative humidity of 54%.

What is the coldest month in Garden Grove?

With an average high-temperature of 63.5°F (17.5°C) and an average low-temperature of 52.2°F (11.2°C), December is the coldest month in Garden Grove.

What is the wettest month in Garden Grove?

December is the month with the most rainfall in Garden Grove, California. Rain falls for 5.5 days and accumulates 0.71" (18mm) of precipitation.

What is the month with the shortest days in Garden Grove?

With an average of 9.9h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Garden Grove?

The month with the least sunshine in Garden Grove is December, with an average of 6.7h of sunshine.

Average temperature
Garden Grove, CA

Average temperature - Garden Grove, CA

The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (63.5°F).

The month with the highest average low temperature is August (65.1°F).
The coldest month (with the lowest average low temperature) is February (51.4°F).

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Average pressure
Garden Grove, CA

Average pressure - Garden Grove, CA

The month with the highest atmospheric pressure is January (30.1").
Months with the lowest atmospheric pressure are June and September (29.89").

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Average wind speed
Garden Grove, CA

Average wind speed - Garden Grove, CA

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is September (4.9mph).

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Average rainfall
Garden Grove, CA

Average rainfall - Garden Grove, CA

The wettest month (with the highest rainfall) is December (0.71").
The driest month (with the least rainfall) is June (0").

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Average rainfall days
Garden Grove, CA

Average rainfall days - Garden Grove, CA

The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (0.9 days).

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Average daylight / Average sunshine
Garden Grove, CA

Average daylight / Average sunshine - Garden Grove, CA

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days
Garden Grove, CA

Average sunshine days - Garden Grove, CA

The month with the most sunshine days is June (28.1 days).
The month with the least sunshine days is February (22.1 days).

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Average UV index
Garden Grove, CA

Average UV index - Garden Grove, CA

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 4).

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Average visibility
Garden Grove, CA

Average visibility - Garden Grove, 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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