Monthly weather forecast and climate
Santa Clara, CA

Weather in January

January, the same as December, in Santa Clara, California, is another mild winter month, with average temperature ranging between min 43.3°F (6.3°C) and max 58.5°F (14.7°C). In January, the average high-temperature is almost the same as in December - a still mild 58.5°F (14.7°C). Weather in January »

Weather in February

February, the last month of the winter, in Santa Clara, is also a moderate month, with average temperature fluctuating between 43.3°F (6.3°C) and 59.9°F (15.5°C). In February, the average high-temperature is essentially the same as in January - a still moderate 59.9°F (15.5°C). Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in Santa Clara, California, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 43.9°F (6.6°C). In Santa Clara, 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 comfortable spring month in Santa Clara, California, with average temperature fluctuating between 45.5°F (7.5°C) and 66.7°F (19.3°C). In April, the average high-temperature is essentially the same as in March - a still enjoyable 66.7°F (19.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Santa Clara, California, with average temperature ranging between min 48.9°F (9.4°C) and max 70.3°F (21.3°C). In Santa Clara, California, the average high-temperature in May is relatively the same as in April - a pleasant 70.3°F (21.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Santa Clara, California, with average temperature varying between 77.5°F (25.3°C) and 52.7°F (11.5°C). In Santa Clara, California, the average high-temperature slightly increases, from an agreeable 70.3°F (21.3°C) in May, to a moderately hot 77.5°F (25.3°C). Weather in June »

Weather in July

July, like June, in Santa Clara, California, is a moderately hot summer month, with average temperature fluctuating between 81.9°F (27.7°C) and 55°F (12.8°C). With an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 55°F (12.8°C), July is the warmest month. The average heat index is evaluated at 84.4°F (29.1°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Santa Clara, California, with average temperature varying between 81.3°F (27.4°C) and 56.3°F (13.5°C). In Santa Clara, the average high-temperature in August is practically the same as in July - a still moderately hot 81.3°F (27.4°C). Weather in August »

Weather in September

September, the first month of the autumn, in Santa Clara, is also a moderately hot month, with average temperature varying between 79.2°F (26.2°C) and 55.6°F (13.1°C). In September, the average high-temperature is almost the same as in August - a still moderately hot 79.2°F (26.2°C). Weather in September »

Weather in October

October, the same as September, in Santa Clara, California, is an agreeable autumn month, with average temperature fluctuating between 52.9°F (11.6°C) and 72.3°F (22.4°C). In October, the average high-temperature slightly decreases, from a warm 79.2°F (26.2°C) in September, to a pleasant 72.3°F (22.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Santa Clara, California, with temperature in the range of an average low of 47.5°F (8.6°C) and an average high of 64°F (17.8°C). In Santa Clara, the average high-temperature slightly decreases, from a pleasant 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 Santa Clara, is still a mild month, with average temperature varying between 43.5°F (6.4°C) and 56.7°F (13.7°C). With an average high-temperature of 56.7°F (13.7°C) and an average low-temperature of 43.5°F (6.4°C), December is the coldest month. Weather in December »
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FAQ

How much does it rain in Santa Clara?

Throughout the year, there are 70.2 rainfall days, and 9.8" (249mm) of precipitation is accumulated.

What is the month with the lowest UV index in Santa Clara?

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

What is the most humid month in Santa Clara?

The most humid month in Santa Clara, California, is March, with an average relative humidity of 73%.

What is the wettest month in Santa Clara?

The month with the most rainfall in Santa Clara is March when the rain falls for 12.9 days and typically aggregates up to 1.77" (45mm) of precipitation.

When are the longest days in Santa Clara?

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

What is the month with the highest UV index in Santa Clara?

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

What is the warmest month in Santa Clara?

July is the warmest month, with an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 55°F (12.8°C).

What are the least humid months in Santa Clara?

Months with the lowest humidity are July and September, with an average relative humidity of 61%.

What is the driest month in Santa Clara?

July and August are months with the least rain in Santa Clara, California, when the rain falls for 1.5 days and typically aggregates up to 0.04" (1mm) of rain.

What month has the most sunshine in Santa Clara?

With an average of 12.1h of sunshine, July has the most sunshine of the year.

What is the coldest month in Santa Clara?

The coldest month is December, with an average high-temperature of 56.7°F (13.7°C) and an average low-temperature of 43.5°F (6.4°C).

What is the month with the shortest days in Santa Clara?

December has the shortest days of the year in Santa Clara, California, with an average of 9.6h of daylight.

What is the month with the least sunshine in Santa Clara?

The month with the least sunshine in Santa Clara, California, is December, with an average of 6h of sunshine.

Average temperature
Santa Clara, CA

Average temperature - Santa Clara, CA

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is December (56.7°F).

The month with the highest average low temperature is August (56.3°F).
The coldest months (with the lowest average low temperature) are January and February (43.3°F).

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Average pressure
Santa Clara, CA

Average pressure - Santa Clara, CA

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

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Average wind speed
Santa Clara, CA

Average wind speed - Santa Clara, CA

The windiest months (with the highest average wind speed) are April and May (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).

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Average humidity
Santa Clara, CA

Average humidity - Santa Clara, CA

The month with the highest relative humidity is March (73%).
Months with the lowest relative humidity are July and September (61%).

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Average rainfall
Santa Clara, CA

Average rainfall - Santa Clara, CA

The wettest month (with the highest rainfall) is March (1.77").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Santa Clara, CA

Average rainfall days - Santa Clara, CA

The month with the highest number of rainy days is March (12.9 days).
The month with the least rainy days is August (0.8 days).

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Average daylight / Average sunshine
Santa Clara, CA

Average daylight / Average sunshine - Santa Clara, 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
Santa Clara, CA

Average sunshine days - Santa Clara, CA

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (16.7 days).

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Average UV index
Santa Clara, CA

Average UV index - Santa Clara, 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
Santa Clara, CA

Average visibility - Santa Clara, 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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