Monthly weather forecast and climate
South Whittier, CA

Weather in January

January, the same as December, is another comfortable winter month in South Whittier, California, with temperature in the range of an average low of 50.7°F (10.4°C) and an average high of 66.9°F (19.4°C). In January, the average high-temperature is practically the same as in December - a still enjoyable 66.9°F (19.4°C). Weather in January »

Weather in February

The last month of the winter, February, is another comfortable month in South Whittier, California, with average temperature ranging between min 49.8°F (9.9°C) and max 66.7°F (19.3°C). In February, the average high-temperature is practically the same as in January - a still comfortable 66.7°F (19.3°C). Weather in February »

Weather in March

March, the first month of the spring, in South Whittier, is an agreeable month, with average temperature ranging between min 51.4°F (10.8°C) and max 69.3°F (20.7°C). In March, the average high-temperature is almost the same as in February - an agreeable 69.3°F (20.7°C). Weather in March »

Weather in April

April, like March, is another pleasant spring month in South Whittier, California, with average temperature fluctuating between 54.1°F (12.3°C) and 72.3°F (22.4°C). In South Whittier, the average high-temperature is practically the same as in March - a still agreeable 72.3°F (22.4°C). Weather in April »

Weather in May

May, the last month of the spring, in South Whittier, is a moderately hot month, with average temperature ranging between min 56.5°F (13.6°C) and max 74.3°F (23.5°C). In South Whittier, the average high-temperature is practically the same as in April - a moderately hot 74.3°F (23.5°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in South Whittier, California, with average temperature fluctuating between 59.5°F (15.3°C) and 78.4°F (25.8°C). In South Whittier, California, the average high-temperature in June is essentially the same as in May - a still warm 78.4°F (25.8°C). Weather in June »

Weather in July

July, like June, in South Whittier, California, is another warm summer month, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 83.8°F (28.8°C). In South Whittier, California, the average high-temperature marginally rises, from 78.4°F (25.8°C) in June, to a still warm 83.8°F (28.8°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in South Whittier, California, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 85.6°F (29.8°C). The warmest month is August, with an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 65.8°F (18.8°C). The average heat index is calculated to a tropical 88.9°F (31.6°C). Weather in August »

Weather in September

September, the first month of the autumn, in South Whittier, is still a warm month, with average temperature varying between 84.2°F (29°C) and 65.1°F (18.4°C). In South Whittier, the average high-temperature is relatively the same as in August - a still warm 84.2°F (29°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in South Whittier, California, with average temperature varying between 78.8°F (26°C) and 61.3°F (16.3°C). In South Whittier, California, the average high-temperature slightly decreases, from a moderately hot 84.2°F (29°C) in September, to a still warm 78.8°F (26°C). Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in South Whittier, California, with average temperature fluctuating between 56.1°F (13.4°C) and 72.5°F (22.5°C). In South Whittier, the average high-temperature in November marginally drops, from a moderately hot 78.8°F (26°C) in October, to a pleasant 72.5°F (22.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also an enjoyable month in South Whittier, California, with average temperature ranging between min 50.2°F (10.1°C) and max 64.8°F (18.2°C). With an average high-temperature of 64.8°F (18.2°C) and an average low-temperature of 50.2°F (10.1°C), December is the coldest month. Weather in December »
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FAQ

How many days does it rain in South Whittier?

In South Whittier, during the entire year, the rain falls for 27.3 days and collects up to 1.97" (50mm) of precipitation.

What is the month with the least sunshine in South Whittier?

January, February and December, with an average of 6.8h of sunshine, are months with the least sunshine in South Whittier.

What are the months with the lowest UV index in South Whittier?

Months with the lowest UV index are February, November and December, with an average maximum UV index of 4.

What is the most humid month in South Whittier?

With an average relative humidity of 63%, June is the most humid month.

What is the driest month in South Whittier?

The only month without rainfall is June.

When are the longest days in South Whittier?

June has the longest days of the year, with an average of 14.4h of daylight.

When does it rain in South Whittier?

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

What is the month with the most sunshine in South Whittier?

Months with the most sunshine are July and August, with an average of 12h of sunshine.

What is the warmest month in South Whittier?

August is the warmest month in South Whittier, with an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 65.8°F (18.8°C).

When is the highest UV index in South Whittier?

August is the month with the highest UV index in South Whittier, with an average maximum UV index of 7.

What is the least humid month in South Whittier?

November is the least humid month, with an average relative humidity of 48%.

What is the coldest month in South Whittier?

December is the coldest month in South Whittier, California, with an average high-temperature of 64.8°F (18.2°C) and an average low-temperature of 50.2°F (10.1°C).

What is the rainiest month in South Whittier?

The month with the most rainfall in South Whittier, California, is December when the rain falls for 4.1 days and typically aggregates up to 0.47" (12mm) of precipitation.

What is the month with the shortest days in South Whittier?

The month with the shortest days in South Whittier is December, with an average of 9.9h of daylight.

Average temperature
South Whittier, CA

Average temperature - South Whittier, CA

The warmest month (with the highest average high temperature) is August (85.6°F).
The month with the lowest average high temperature is December (64.8°F).

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (49.8°F).

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Average pressure
South Whittier, CA

Average pressure - South Whittier, CA

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed
South Whittier, CA

Average wind speed - South Whittier, CA

The windiest month (with the highest average wind speed) is April (6mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).

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Average humidity
South Whittier, CA

Average humidity - South Whittier, CA

The month with the highest relative humidity is June (63%).
The month with the lowest relative humidity is November (48%).

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Average rainfall
South Whittier, CA

Average rainfall - South Whittier, CA

The wettest month (with the highest rainfall) is December (0.47").
The driest month (with the least rainfall) is June (0").

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Average rainfall days
South Whittier, CA

Average rainfall days - South Whittier, CA

The month with the highest number of rainy days is March (4.6 days).
The month with the least rainy days is June (0.5 days).

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Average daylight / Average sunshine
South Whittier, CA

Average daylight / Average sunshine - South Whittier, 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).
Months with the least sunshine are January, February and December (Average sunshine: 6.8).

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Average sunshine days
South Whittier, CA

Average sunshine days - South Whittier, CA

The month with the most sunshine days is June (29.3 days).
The month with the least sunshine days is February (23.8 days).

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Average visibility
South Whittier, CA

Average visibility - South Whittier, 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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