Monthly weather forecast and climate
Whittier, CA

Weather in January

January, like December, in Whittier, California, is another enjoyable winter month, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 67.1°F (19.5°C). In January, the average high-temperature is essentially the same as in December - a still comfortable 67.1°F (19.5°C). Weather in January »

Weather in February

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

Weather in March

March, the first month of the spring, in Whittier, is an agreeable month, with average temperature ranging between min 51.4°F (10.8°C) and max 69.6°F (20.9°C). In March, the average high-temperature is practically the same as in February - an agreeable 69.6°F (20.9°C). Weather in March »

Weather in April

April, the same as March, in Whittier, California, is an agreeable spring month, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 72.7°F (22.6°C). In April, the average high-temperature is relatively the same as in March - a still agreeable 72.7°F (22.6°C). Weather in April »

Weather in May

May, the last month of the spring, in Whittier, is a warm month, with average temperature varying between 56.5°F (13.6°C) and 74.8°F (23.8°C). In May, the average high-temperature is relatively the same as in April - a warm 74.8°F (23.8°C). Weather in May »

Weather in June

June, the first month of the summer, in Whittier, is also a moderately hot month, with temperature in the range of an average low of 59.4°F (15.2°C) and an average high of 79.2°F (26.2°C). In Whittier, the average high-temperature is practically the same as in May - a still moderately hot 79.2°F (26.2°C). Weather in June »

Weather in July

July, like June, in Whittier, California, is another warm summer month, with average temperature fluctuating between 84.7°F (29.3°C) and 63.9°F (17.7°C). In July, the average high-temperature slightly increases, from a moderately hot 79.2°F (26.2°C) in June, to a still warm 84.7°F (29.3°C). Weather in July »

Weather in August

August, the last month of the summer, in Whittier, is a tropical month, with average temperature varying between 86.5°F (30.3°C) and 65.8°F (18.8°C). With an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 65.8°F (18.8°C), August is the warmest month. In August, the average heat index is evaluated at a tropical 90°F (32.2°C). Weather in August »

Weather in September

September, the first month of the autumn, in Whittier, is still a warm month, with average temperature varying between 85.1°F (29.5°C) and 64.8°F (18.2°C). In Whittier, the average high-temperature in September is practically the same as in August - a moderately hot 85.1°F (29.5°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Whittier, California, with average temperature fluctuating between 61°F (16.1°C) and 79.2°F (26.2°C). In October, the average high-temperature slightly decreases, from 85.1°F (29.5°C) in September, to a still warm 79.2°F (26.2°C). Weather in October »

Weather in November

November, the last month of the autumn, in Whittier, is another pleasant month, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 72.3°F (22.4°C). In Whittier, the average high-temperature in November slightly decreases, from a moderately hot 79.2°F (26.2°C) in October, to an agreeable 72.3°F (22.4°C). Weather in November »

Weather in December

December, the first month of the winter, in Whittier, is still a comfortable month, with average temperature fluctuating between 64.9°F (18.3°C) and 50°F (10°C). The coldest month is December, with an average high-temperature of 64.9°F (18.3°C) and an average low-temperature of 50°F (10°C). Weather in December »
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FAQ

How many days does it rain in Whittier?

In Whittier, California, during the entire year, the rain falls for 38.2 days and collects up to 5.28" (134mm) of precipitation.

What is the month with the least sunshine in Whittier?

The month with the least sunshine is February, with an average of 6.7h of sunshine.

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

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

What is the most humid month in Whittier?

The most humid month in Whittier, California, is June, with an average relative humidity of 62%.

What is the driest month in Whittier?

The month with the least rainfall is June when the rain falls for 1 days and typically collects 0.04" (1mm) of precipitation.

When are the longest days in Whittier?

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

What is the month with the most sunshine in Whittier?

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

What is the warmest month in Whittier?

With an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 65.8°F (18.8°C), August is the warmest month in Whittier.

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

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

What is the least humid month in Whittier?

With an average relative humidity of 47%, November is the least humid month.

What is the coldest month in Whittier?

The coldest month is December, with an average high-temperature of 64.9°F (18.3°C) and an average low-temperature of 50°F (10°C).

What is the rainiest month in Whittier?

December is the month with the most rainfall in Whittier, California. Rain falls for 4.8 days and accumulates 1.14" (29mm) of precipitation.

What is the month with the shortest days in Whittier?

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

Average temperature
Whittier, CA

Average temperature - Whittier, CA

The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (64.9°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
Whittier, CA

Average pressure - 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
Whittier, CA

Average wind speed - 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 rainfall
Whittier, CA

Average rainfall - Whittier, CA

The wettest month (with the highest rainfall) is December (1.14").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days
Whittier, CA

Average rainfall days - Whittier, CA

The month with the highest number of rainy days is March (5.1 days).
The month with the least rainy days is June (1 days).

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Average daylight / Average sunshine
Whittier, CA

Average daylight / Average sunshine - 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).
The month with the least sunshine is February (Average sunshine: 6.7h).

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Average sunshine days
Whittier, CA

Average sunshine days - Whittier, CA

The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (22.6 days).

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Average visibility
Whittier, CA

Average visibility - 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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