Climate and monthly weather forecast
South Whittier, CA

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Weather in January

January, like December, in South Whittier, California, is another refreshing winter month, with an average temperature fluctuating between 66.9°F (19.4°C) and 50.7°F (10.4°C). With the advent of January, South Whittier's high-temperatures adjust to a still enjoyable 66.9°F (19.4°C), closely aligning with the preceding month. Weather in January »

Weather in February

February, the last month of the winter in South Whittier, is also an enjoyable month, with an average temperature fluctuating between 66.7°F (19.3°C) and 49.8°F (9.9°C). The introduction of February sees an average high-temperature of a still comfortable 66.7°F (19.3°C), hardly deviating from January. Weather in February »

Weather in March

March, the first month of the spring in South Whittier, is an agreeable month, with an average temperature varying between 69.3°F (20.7°C) and 51.4°F (10.8°C). The advent of March reveals an average high-temperature of an agreeable 69.3°F (20.7°C), showing minimal difference from the prior month. Weather in March »

Weather in April

April, the same as March, in South Whittier, California, is an agreeable spring month, with an average temperature fluctuating between 54.1°F (12.3°C) and 72.3°F (22.4°C). With the advent of April, South Whittier's high-temperatures adjust to a still pleasant 72.3°F (22.4°C), closely aligning with the preceding month. Weather in April »

Weather in May

The last month of the spring, May, is a warm month in South Whittier, California, with an average temperature varying between 74.3°F (23.5°C) and 56.5°F (13.6°C). Upon the onset of May, South Whittier witnesses an average high-temperature of a moderately hot 74.3°F (23.5°C), showing a close resemblance to the prior month. Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in South Whittier, California, with an average temperature fluctuating between 78.4°F (25.8°C) and 59.5°F (15.3°C). The introduction of June notes a subtle temperature variation to a still warm 78.4°F (25.8°C) from May's 74.3°F (23.5°C). Weather in June »

Weather in July

July, like June, in South Whittier, California, is a moderately hot summer month, with an average temperature ranging between max 83.8°F (28.8°C) and min 64.2°F (17.9°C). As July arrives, a slight rise in the average high-temperature is observed, moving from a warm 78.4°F (25.8°C) in June to a still moderately hot 83.8°F (28.8°C). Weather in July »

Weather in August

August, the last month of the summer in South Whittier, is another warm month, with an average temperature ranging between max 85.6°F (29.8°C) and min 65.8°F (18.8°C). August tends to be the warmest month, with temperatures averaging a daily high of 85.6°F (29.8°C) and a low of 65.8°F (18.8°C). The heat index value during August is calculated to be a hot 89.6°F (32°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in South Whittier, California, with an average temperature varying between 84.2°F (29°C) and 65.1°F (18.4°C). With the arrival of September, South Whittier's average high-temperature registers at a still moderately hot 84.2°F (29°C), indicating a subtle variation from the previous month. Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in South Whittier, California, with an average temperature fluctuating between 78.8°F (26°C) and 61.3°F (16.3°C). South Whittier's progression into October involves a minor drop in the average high-temperature, slightly receding from a warm 84.2°F (29°C) in September to a still moderately hot 78.8°F (26°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an agreeable month in South Whittier, California, with an average temperature varying between 56.1°F (13.4°C) and 72.5°F (22.5°C). November's onset brings a negligible change in high-temperatures, falling 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

December, the first month of the winter in South Whittier, is also an enjoyable month, with temperature in the range of an average low of 50.2°F (10.1°C) and an average high of 64.8°F (18.2°C). In South Whittier, the lowest temperatures are generally noted in December, averaging a high of 64.8°F (18.2°C) and a low of 50.2°F (10.1°C). Weather in December »
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Frequently asked questions

How many days does it rain in South Whittier?

Throughout the year, there are 27.3 rainfall days, and 1.97" (50mm) of precipitation is accumulated.

What are the months 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, California.

What is the month with the lowest UV index in South Whittier?

February, November and December, with an average maximum UV index of 4, are months with the lowest UV index in South Whittier, California.

When is Daylight Saving Time (DST) in South Whittier?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in South Whittier, California, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

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?

June is the only month when rain does not fall in South Whittier.

When are the longest days in South Whittier?

June has the longest days of the year, with an average of 14h and 24min of daylight.

When does it rain in South Whittier?

January through May, July through December are months with rainfall in South Whittier.

What are the months with the most sunshine in South Whittier?

July and August, with an average of 12h of sunshine, are months with the most sunshine in South Whittier.

What month is the hottest in South Whittier?

South Whittier's warmest temperatures are experienced in August, with average high temperatures of 85.6°F (29.8°C) and lows of 65.8°F (18.8°C).

What is the month with the highest UV index in South Whittier?

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

What is the least humid month in South Whittier?

With an average relative humidity of 48%, November is the least humid month in South Whittier.

What is the coldest time of year in South Whittier?

The coldest temperatures in South Whittier occur during December, when averages reach a peak of 64.8°F (18.2°C) and a low of 50.2°F (10.1°C).

What is the wettest month in South Whittier?

The month with the most rainfall 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?

December has the shortest days of the year, with an average of 9h and 54min 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"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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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: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).

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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 UV index
South Whittier, CA

Average UV index - South Whittier, CA

The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are February, November and December (UV index 4).

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Average visibility
South Whittier, CA

Average visibility - South Whittier, CA

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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South Whittier, California, USA

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