Monthly weather forecast and climate
Wilmington, CA

Weather in January

January, like December, in Wilmington, California, is another comfortable winter month, with average temperature varying between 63.9°F (17.7°C) and 53.8°F (12.1°C). In January, the average high-temperature is essentially the same as in December - a still comfortable 63.9°F (17.7°C). Weather in January »

Weather in February

The last month of the winter, February, is also an enjoyable month in Wilmington, California, with temperature in the range of an average low of 52.7°F (11.5°C) and an average high of 62.6°F (17°C). In February, the average high-temperature is essentially the same as in January - a still enjoyable 62.6°F (17°C). Weather in February »

Weather in March

March, the first month of the spring, in Wilmington, is also an enjoyable month, with average temperature fluctuating between 64.4°F (18°C) and 53.4°F (11.9°C). In Wilmington, the average high-temperature is almost the same as in February - a still comfortable 64.4°F (18°C). Weather in March »

Weather in April

April, like March, in Wilmington, California, is another comfortable spring month, with average temperature fluctuating between 65.8°F (18.8°C) and 55°F (12.8°C). In Wilmington, the average high-temperature in April is almost the same as in March - a still comfortable 65.8°F (18.8°C). Weather in April »

Weather in May

The last month of the spring, May, is also an enjoyable month in Wilmington, California, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 67.5°F (19.7°C). In Wilmington, California, the average high-temperature is essentially the same as in April - a still comfortable 67.5°F (19.7°C). Weather in May »

Weather in June

June, the first month of the summer, in Wilmington, is a pleasant month, with average temperature fluctuating between 59.4°F (15.2°C) and 69.8°F (21°C). In June, the average high-temperature is almost the same as in May - a pleasant 69.8°F (21°C). Weather in June »

Weather in July

July is a warm summer month in Wilmington, California, with average temperature ranging between min 63.1°F (17.3°C) and max 74.3°F (23.5°C). In July, the average high-temperature is almost the same as in June - a moderately hot 74.3°F (23.5°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Wilmington, California, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 64°F (17.8°C). The warmest months are August and September, with an average high-temperature of 75.9°F (24.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Wilmington, California, with average temperature ranging between max 75.9°F (24.4°C) and min 64.2°F (17.9°C). August and September, with an average high-temperature of 75.9°F (24.4°C), are the warmest months. Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Wilmington, California, with average temperature ranging between min 62.1°F (16.7°C) and max 73.4°F (23°C). In Wilmington, the average high-temperature in October is relatively the same as in September - a still warm 73.4°F (23°C). Weather in October »

Weather in November

November, the last month of the autumn, in Wilmington, is also an agreeable month, with average temperature ranging between min 58.1°F (14.5°C) and max 68.5°F (20.3°C). In November, the average high-temperature is relatively the same as in October - an agreeable 68.5°F (20.3°C). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in Wilmington, California, with average temperature ranging between min 53.8°F (12.1°C) and max 62.4°F (16.9°C). With an average high-temperature of 62.4°F (16.9°C) and an average low-temperature of 53.8°F (12.1°C), December is the coldest month. Weather in December »
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FAQ

How many days does it rain in Wilmington?

Throughout the year, in Wilmington, California, there are 57.9 rainfall days, and 6.65" (169mm) of precipitation is accumulated.

What is the wettest month in Wilmington?

The month with the most rainfall is January when the rain falls for 4.8 days and typically aggregates up to 1.3" (33mm) of precipitation.

What is the month with the lowest UV index in Wilmington?

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

What is the most humid month in Wilmington?

June is the most humid month, with an average relative humidity of 75%.

What is the driest month in Wilmington?

June is the month with the least rainfall in Wilmington. Rain falls for 4.2 days and accumulates 0.12" (3mm) of precipitation.

When are the longest days in Wilmington?

With an average of 14.4h of daylight, June has the longest days of the year in Wilmington, California.

What are the months with the highest UV index in Wilmington?

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

What is the warmest month in Wilmington?

August and September, with an average high-temperature of 75.9°F (24.4°C), are warmest months in Wilmington.

What month has the most sunshine in Wilmington?

August has the most sunshine of the year in Wilmington, with an average of 11.9h of sunshine.

What is the least humid month in Wilmington?

With an average relative humidity of 58%, November is the least humid month.

What is the coldest month in Wilmington?

The coldest month is December, with an average high-temperature of 62.4°F (16.9°C) and an average low-temperature of 53.8°F (12.1°C).

What is the month with the shortest days in Wilmington?

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

What is the month with the least sunshine in Wilmington?

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

Average temperature
Wilmington, CA

Average temperature - Wilmington, CA

The warmest months (with the highest average high temperature) are August and September (75.9°F).
The month with the lowest average high temperature is December (62.4°F).

The month with the highest average low temperature is September (64.2°F).
The coldest month (with the lowest average low temperature) is February (52.7°F).

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Average pressure
Wilmington, CA

Average pressure - Wilmington, CA

The month with the highest atmospheric pressure is January (30.1").
Months with the lowest atmospheric pressure are June and September (29.9").

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Average wind speed
Wilmington, CA

Average wind speed - Wilmington, CA

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).

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Average rainfall
Wilmington, CA

Average rainfall - Wilmington, CA

The wettest month (with the highest rainfall) is January (1.3").
The driest month (with the least rainfall) is June (0.12").

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Average rainfall days
Wilmington, CA

Average rainfall days - Wilmington, CA

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is August (3 days).

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Average daylight / Average sunshine
Wilmington, CA

Average daylight / Average sunshine - Wilmington, 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).

The month with the most sunshine is August (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days
Wilmington, CA

Average sunshine days - Wilmington, CA

The month with the most sunshine days is January (24.2 days).
The month with the least sunshine days is June (17.7 days).

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Average UV index
Wilmington, CA

Average UV index - Wilmington, 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
Wilmington, CA

Average visibility - Wilmington, 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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