Monthly weather forecast and climate
Placentia, CA

Weather in January

January, the same as December, is another comfortable winter month in Placentia, California, with temperature in the range of an average high of 66.6°F (19.2°C) and an average low of 50.5°F (10.3°C). In Placentia, California, the average high-temperature in January is essentially the same as in December - a still enjoyable 66.6°F (19.2°C). Weather in January »

Weather in February

The last month of the winter, February, is also an enjoyable month in Placentia, California, with average temperature fluctuating between 65.3°F (18.5°C) and 49.6°F (9.8°C). In February, the average high-temperature is almost the same as in January - a still comfortable 65.3°F (18.5°C). Weather in February »

Weather in March

March, the first month of the spring, in Placentia, is an agreeable month, with average temperature ranging between min 51.1°F (10.6°C) and max 68.5°F (20.3°C). In March, the average high-temperature is practically the same as in February - a pleasant 68.5°F (20.3°C). Weather in March »

Weather in April

April, like March, is an agreeable spring month in Placentia, California, with temperature in the range of an average low of 53.6°F (12°C) and an average high of 71.6°F (22°C). In April, the average high-temperature is essentially the same as in March - a still agreeable 71.6°F (22°C). Weather in April »

Weather in May

May, the last month of the spring, in Placentia, is a warm month, with average temperature ranging between min 55.9°F (13.3°C) and max 73.6°F (23.1°C). In Placentia, California, the average high-temperature in May is relatively the same as in April - a warm 73.6°F (23.1°C). Weather in May »

Weather in June

June, the first month of the summer, in Placentia, is still a warm month, with average temperature ranging between min 58.8°F (14.9°C) and max 78.3°F (25.7°C). In June, the average high-temperature is relatively the same as in May - a still moderately hot 78.3°F (25.7°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Placentia, California, with average temperature ranging between min 64.2°F (17.9°C) and max 83.1°F (28.4°C). In Placentia, the average high-temperature in July is relatively the same as in June - a still warm 83.1°F (28.4°C). Weather in July »

Weather in August

August, the last month of the summer, in Placentia, is another warm month, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 85.3°F (29.6°C). The warmest month is August, with an average high-temperature of 85.3°F (29.6°C) and an average low-temperature of 65.7°F (18.7°C). In August, the average heat index is estimated at a hot 88.5°F (31.4°C). Weather in August »

Weather in September

September, the first month of the autumn, in Placentia, is also a moderately hot month, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 84°F (28.9°C). In Placentia, the average high-temperature is relatively the same as in August - a still warm 84°F (28.9°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Placentia, California, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 61°F (16.1°C). In October, the average high-temperature slightly decreases, from 84°F (28.9°C) in September, to a still moderately hot 77.9°F (25.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in Placentia, is another pleasant month, with average temperature ranging between max 71.6°F (22°C) and min 56.3°F (13.5°C). In Placentia, the average high-temperature marginally drops, from a moderately hot 77.9°F (25.5°C) in October, to an agreeable 71.6°F (22°C). Weather in November »

Weather in December

December, the first month of the winter, in Placentia, is also an enjoyable month, with average temperature ranging between min 50.2°F (10.1°C) and max 64.2°F (17.9°C). With an average high-temperature of 64.2°F (17.9°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 much does it rain in Placentia?

Throughout the year, there are 53.2 rainfall days, and 7.72" (196mm) of precipitation is accumulated.

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

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

What is the month with the least sunshine in Placentia?

Months with the least sunshine are February and December, with an average of 6.8h of sunshine.

What is the most humid month in Placentia?

The most humid month in Placentia is June, with an average relative humidity of 63%.

What is the driest month in Placentia?

The month with the least rainfall is June when the rain falls for 1.4 days and typically collects 0.04" (1mm) of precipitation.

When are the longest days in Placentia?

With an average of 14.4h of daylight, June has the longest days of the year in Placentia, California.

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

Months with the highest UV index are June through September, with an average maximum UV index of 6.

What month has the most sunshine in Placentia?

The month with the most sunshine is July, with an average of 12.1h of sunshine.

What is the warmest month in Placentia?

The warmest month is August, with an average high-temperature of 85.3°F (29.6°C) and an average low-temperature of 65.7°F (18.7°C).

What is the least humid month in Placentia?

November is the least humid month in Placentia, with an average relative humidity of 50%.

What is the coldest month in Placentia?

With an average high-temperature of 64.2°F (17.9°C) and an average low-temperature of 50.2°F (10.1°C), December is the coldest month in Placentia, California.

What is the rainiest month in Placentia?

The month with the most rainfall in Placentia, California, is December when the rain falls for 6.8 days and typically aggregates up to 1.65" (42mm) of precipitation.

What is the month with the shortest days in Placentia?

With an average of 9.9h of daylight, December has the shortest days of the year.

Average temperature
Placentia, CA

Average temperature - Placentia, CA

The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is December (64.2°F).

The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (49.6°F).

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Average pressure
Placentia, CA

Average pressure - Placentia, 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
Placentia, CA

Average wind speed - Placentia, CA

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average rainfall
Placentia, CA

Average rainfall - Placentia, CA

The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days
Placentia, CA

Average rainfall days - Placentia, CA

The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.4 days).

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Average daylight / Average sunshine
Placentia, CA

Average daylight / Average sunshine - Placentia, 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).

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are February and December (Average sunshine: 6.8).

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Average sunshine days
Placentia, CA

Average sunshine days - Placentia, CA

The month with the most sunshine days is August (26.7 days).
The month with the least sunshine days is February (20.7 days).

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Average UV index
Placentia, CA

Average UV index - Placentia, CA

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 4).

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Average visibility
Placentia, CA

Average visibility - Placentia, 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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