Monthly weather forecast and climate
Imperial Beach, CA

Weather in January

January, like December, in Imperial Beach, California, is another comfortable winter month, with average temperature fluctuating between 64.8°F (18.2°C) and 53.2°F (11.8°C). In January, the average high-temperature is almost the same as in December - a still comfortable 64.8°F (18.2°C). Weather in January »

Weather in February

February, the last month of the winter, in Imperial Beach, is also an enjoyable month, with average temperature varying between 63.7°F (17.6°C) and 52°F (11.1°C). In February, the average high-temperature is almost the same as in January - a still comfortable 63.7°F (17.6°C). Weather in February »

Weather in March

The first month of the spring, March, is also an enjoyable month in Imperial Beach, California, with average temperature varying between 53.2°F (11.8°C) and 64.4°F (18°C). In March, the average high-temperature is essentially the same as in February - a still enjoyable 64.4°F (18°C). Weather in March »

Weather in April

April, like March, in Imperial Beach, California, is another comfortable spring month, with temperature in the range of an average high of 66.4°F (19.1°C) and an average low of 54.7°F (12.6°C). In April, the average high-temperature is almost the same as in March - a still enjoyable 66.4°F (19.1°C). Weather in April »

Weather in May

The last month of the spring, May, is another comfortable month in Imperial Beach, California, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 67.5°F (19.7°C). In Imperial Beach, California, the average high-temperature in May is essentially the same as in April - a still comfortable 67.5°F (19.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a pleasant month in Imperial Beach, California, with average temperature fluctuating between 71.1°F (21.7°C) and 59.9°F (15.5°C). In Imperial Beach, the average high-temperature is essentially the same as in May - an agreeable 71.1°F (21.7°C). Weather in June »

Weather in July

July in Imperial Beach, California, is a warm summer month, with average temperature ranging between min 64.8°F (18.2°C) and max 75.2°F (24°C). In Imperial Beach, California, the average high-temperature is essentially the same as in June - a moderately hot 75.2°F (24°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Imperial Beach, California, with average temperature ranging between max 77.2°F (25.1°C) and min 66.6°F (19.2°C). August is the warmest month, with an average high-temperature of 77.2°F (25.1°C) and an average low-temperature of 66.6°F (19.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Imperial Beach, California, with average temperature fluctuating between 77°F (25°C) and 65.7°F (18.7°C). In Imperial Beach, the average high-temperature is practically the same as in August - a still moderately hot 77°F (25°C). Weather in September »

Weather in October

October, like September, is an agreeable autumn month in Imperial Beach, California, with average temperature fluctuating between 73.2°F (22.9°C) and 62.6°F (17°C). In October, the average high-temperature is almost the same as in September - a pleasant 73.2°F (22.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in Imperial Beach, California, with average temperature fluctuating between 68.9°F (20.5°C) and 57.9°F (14.4°C). In Imperial Beach, the average high-temperature is practically the same as in October - a still pleasant 68.9°F (20.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in Imperial Beach, California, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 52.7°F (11.5°C). With an average high-temperature of 63.5°F (17.5°C) and an average low-temperature of 52.7°F (11.5°C), December is the coldest month. Weather in December »
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FAQ

What is the least humid month in Imperial Beach?

Months with the lowest humidity in Imperial Beach, California, are January and November, with an average relative humidity of 60%.

How many days does it rain in Imperial Beach?

Throughout the year, there are 61.2 rainfall days, and 7.32" (186mm) of precipitation is accumulated.

What are the months with the lowest UV index in Imperial Beach?

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

What is the most humid month in Imperial Beach?

June is the most humid month in Imperial Beach, with an average relative humidity of 73%.

What is the driest month in Imperial Beach?

The month with the least rainfall is June when the rain falls for 2.5 days and typically collects 0.12" (3mm) of precipitation.

When are the longest days in Imperial Beach?

With an average of 14.3h of daylight, June has the longest days of the year in Imperial Beach, California.

What month has the most sunshine in Imperial Beach?

July has the most sunshine of the year in Imperial Beach, with an average of 11.9h of sunshine.

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

July through September, with an average maximum UV index of 6, are months with the highest UV index in Imperial Beach, California.

What is the warmest month in Imperial Beach?

August is the warmest month in Imperial Beach, with an average high-temperature of 77.2°F (25.1°C) and an average low-temperature of 66.6°F (19.2°C).

What is the coldest month in Imperial Beach?

With an average high-temperature of 63.5°F (17.5°C) and an average low-temperature of 52.7°F (11.5°C), December is the coldest month.

What is the wettest month in Imperial Beach?

The month with the most rainfall in Imperial Beach, California, is December when the rain falls for 6.6 days and typically aggregates up to 1.42" (36mm) of precipitation.

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

December has the shortest days of the year in Imperial Beach, with an average of 10h of daylight.

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

December has the least sunshine of the year in Imperial Beach, with an average of 6.6h of sunshine.

Average temperature
Imperial Beach, CA

Average temperature - Imperial Beach, CA

The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (63.5°F).

The month with the highest average low temperature is August (66.6°F).
The coldest month (with the lowest average low temperature) is February (52°F).

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Average pressure
Imperial Beach, CA

Average pressure - Imperial Beach, CA

The month with the highest atmospheric pressure is January (30.09").
Months with the lowest atmospheric pressure are June and September (29.88").

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Average wind speed
Imperial Beach, CA

Average wind speed - Imperial Beach, CA

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is October (5.3mph).

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Average humidity
Imperial Beach, CA

Average humidity - Imperial Beach, CA

The month with the highest relative humidity is June (73%).
Months with the lowest relative humidity are January and November (60%).

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Average rainfall
Imperial Beach, CA

Average rainfall - Imperial Beach, CA

The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.12").

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Average rainfall days
Imperial Beach, CA

Average rainfall days - Imperial Beach, CA

The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (2.5 days).

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Average daylight / Average sunshine
Imperial Beach, CA

Average daylight / Average sunshine - Imperial Beach, CA

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 6.6h).

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Average sunshine days
Imperial Beach, CA

Average sunshine days - Imperial Beach, CA

The month with the most sunshine days is June (26 days).
The month with the least sunshine days is February (20.3 days).

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Average UV index
Imperial Beach, CA

Average UV index - Imperial Beach, CA

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

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Average visibility
Imperial Beach, CA

Average visibility - Imperial Beach, 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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