Monthly weather forecast and climate
Campbell, CA

The long roads in the crowded city of Campbell, California
The long roads in the crowded city of Campbell, California

Weather in January

January, like December, is a moderate winter month in Campbell, California, with temperature in the range of an average low of 43.9°F (6.6°C) and an average high of 58.5°F (14.7°C). In January, the average high-temperature is relatively the same as in December - a still moderate 58.5°F (14.7°C). Weather in January »

Weather in February

The last month of the winter, February, is also a moderate month in Campbell, California, with average temperature fluctuating between 43.5°F (6.4°C) and 59.5°F (15.3°C). In February, the average high-temperature is almost the same as in January - a still mild 59.5°F (15.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in Campbell, California, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 44.1°F (6.7°C). In Campbell, the average high-temperature is practically the same as in February - a comfortable 62.2°F (16.8°C). Weather in March »

Weather in April

April, the same as March, is another enjoyable spring month in Campbell, California, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 66°F (18.9°C). In April, the average high-temperature is practically the same as in March - a still comfortable 66°F (18.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Campbell, California, with average temperature varying between 48.4°F (9.1°C) and 69.6°F (20.9°C). In May, the average high-temperature is essentially the same as in April - a pleasant 69.6°F (20.9°C). Weather in May »

Weather in June

June, the first month of the summer, in Campbell, is a warm month, with average temperature fluctuating between 77.2°F (25.1°C) and 52.3°F (11.3°C). In Campbell, the average high-temperature in June slightly increases, from a pleasant 69.6°F (20.9°C) in May, to a moderately hot 77.2°F (25.1°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Campbell, California, with temperature in the range of an average high of 80.8°F (27.1°C) and an average low of 54.7°F (12.6°C). The warmest month is July, with an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 54.7°F (12.6°C). In July, the average heat index is appraised at 83.1°F (28.4°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Campbell, California, with average temperature varying between 55.9°F (13.3°C) and 80.4°F (26.9°C). In August, the average high-temperature is relatively the same as in July - a still warm 80.4°F (26.9°C). Weather in August »

Weather in September

September, the first month of the autumn, in Campbell, is still a warm month, with average temperature varying between 55.6°F (13.1°C) and 78.4°F (25.8°C). In Campbell, the average high-temperature is relatively the same as in August - a still warm 78.4°F (25.8°C). Weather in September »

Weather in October

October, like September, is an agreeable autumn month in Campbell, California, with average temperature varying between 53.1°F (11.7°C) and 72.3°F (22.4°C). In October, the average high-temperature slightly decreases, from a warm 78.4°F (25.8°C) in September, to an agreeable 72.3°F (22.4°C). Weather in October »

Weather in November

November, the last month of the autumn, in Campbell, is another comfortable month, with average temperature varying between 47.7°F (8.7°C) and 64°F (17.8°C). In Campbell, California, the average high-temperature slightly decreases, from an agreeable 72.3°F (22.4°C) in October, to an enjoyable 64°F (17.8°C). Weather in November »

Weather in December

December, the first month of the winter, in Campbell, is also a moderate month, with average temperature varying between 43.7°F (6.5°C) and 56.7°F (13.7°C). The coldest month is December, with an average high-temperature of 56.7°F (13.7°C) and an average low-temperature of 43.7°F (6.5°C). Weather in December »
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FAQ

How many days does it rain in Campbell?

Throughout the year, in Campbell, there are 68.6 rainfall days, and 11.57" (294mm) of precipitation is accumulated.

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

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.

What is the wettest month in Campbell?

February is the month with the most rainfall in Campbell. Rain falls for 8.2 days and accumulates 2.2" (56mm) of precipitation.

What is the most humid month in Campbell?

The most humid month in Campbell is March, with an average relative humidity of 74%.

When are the longest days in Campbell?

The month with the longest days in Campbell, California, is June, with an average of 14.7h of daylight.

When is the highest UV index in Campbell?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Campbell.

What is the warmest month in Campbell?

The warmest month in Campbell is July, with an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 54.7°F (12.6°C).

What are the least humid months in Campbell?

July and September, with an average relative humidity of 62%, are the least humid months in Campbell, California.

What is the driest month in Campbell?

Months with the least rainfall are July and August Rain falls for 1.4 days and accumulates 0.04" (1mm) of rain.

What month has the most sunshine in Campbell?

July has the most sunshine of the year in Campbell, with an average of 12.1h of sunshine.

What is the coldest month in Campbell?

The coldest month is December, with an average high-temperature of 56.7°F (13.7°C) and an average low-temperature of 43.7°F (6.5°C).

What is the month with the shortest days in Campbell?

With an average of 9.6h of daylight, December has the shortest days of the year in Campbell.

What is the month with the least sunshine in Campbell?

The month with the least sunshine is December, with an average of 6h of sunshine.

Average temperature
Campbell, CA

Average temperature - Campbell, CA

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (56.7°F).

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).

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Average pressure
Campbell, CA

Average pressure - Campbell, CA

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June and September (29.92").

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Average wind speed
Campbell, CA

Average wind speed - Campbell, CA

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are August, September, October and November (4.5mph).

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Average humidity
Campbell, CA

Average humidity - Campbell, CA

The month with the highest relative humidity is March (74%).
Months with the lowest relative humidity are July and September (62%).

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Average rainfall
Campbell, CA

Average rainfall - Campbell, CA

The wettest month (with the highest rainfall) is February (2.2").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Campbell, CA

Average rainfall days - Campbell, CA

The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (0.9 days).

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Average daylight / Average sunshine
Campbell, CA

Average daylight / Average sunshine - Campbell, CA

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days
Campbell, CA

Average sunshine days - Campbell, CA

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (17.3 days).

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Average UV index
Campbell, CA

Average UV index - Campbell, CA

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Campbell, CA

Average visibility - Campbell, 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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