Monthly weather forecast and climate
Hacienda Heights, CA

Weather in January

January, like December, in Hacienda Heights, California, is another comfortable winter month, with average temperature fluctuating between 50.5°F (10.3°C) and 67.5°F (19.7°C). In Hacienda Heights, the average high-temperature is essentially the same as in December - a still enjoyable 67.5°F (19.7°C). Weather in January »

Weather in February

February, the last month of the winter, in Hacienda Heights, is another comfortable month, with average temperature fluctuating between 66.7°F (19.3°C) and 49.3°F (9.6°C). In February, the average high-temperature is essentially 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 Hacienda Heights, is a pleasant month, with average temperature ranging between max 70°F (21.1°C) and min 51.1°F (10.6°C). In Hacienda Heights, the average high-temperature is almost the same as in February - an agreeable 70°F (21.1°C). Weather in March »

Weather in April

April in Hacienda Heights, California, is a warm spring month, with average temperature ranging between max 73.6°F (23.1°C) and min 53.2°F (11.8°C). In April, the average high-temperature is practically the same as in March - a moderately hot 73.6°F (23.1°C). Weather in April »

Weather in May

The last month of the spring, May, is another warm month in Hacienda Heights, California, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 75.4°F (24.1°C). In May, the average high-temperature is essentially the same as in April - a still moderately hot 75.4°F (24.1°C). Weather in May »

Weather in June

June, the first month of the summer, in Hacienda Heights, is also a moderately hot month, with average temperature ranging between max 80.1°F (26.7°C) and min 59.2°F (15.1°C). In June, the average high-temperature is practically the same as in May - a still warm 80.1°F (26.7°C). Weather in June »

Weather in July

July, like June, in Hacienda Heights, California, is a moderately hot summer month, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 85.6°F (29.8°C). In Hacienda Heights, the average high-temperature in July marginally rises, from a warm 80.1°F (26.7°C) in June, to a still moderately hot 85.6°F (29.8°C). Weather in July »

Weather in August

August, the last month of the summer, in Hacienda Heights, is a hot month, with average temperature ranging between max 87.6°F (30.9°C) and min 65.8°F (18.8°C). With an average high-temperature of 87.6°F (30.9°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 calculated to a hot 91°F (32.8°C). Weather in August »

Weather in September

September, the first month of the autumn, in Hacienda Heights, is still a warm month, with average temperature fluctuating between 85.8°F (29.9°C) and 64.6°F (18.1°C). In Hacienda Heights, the average high-temperature is practically the same as in August - a warm 85.8°F (29.9°C). Weather in September »

Weather in October

October, like September, in Hacienda Heights, California, is another warm autumn month, with average temperature ranging between min 61°F (16.1°C) and max 79.7°F (26.5°C). In October, the average high-temperature slightly decreases, from 85.8°F (29.9°C) in September, to a still moderately hot 79.7°F (26.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in Hacienda Heights, is another pleasant month, with average temperature varying between 72.5°F (22.5°C) and 55°F (12.8°C). In November, the average high-temperature marginally drops, from a warm 79.7°F (26.5°C) in October, to an agreeable 72.5°F (22.5°C). Weather in November »

Weather in December

December, the first month of the winter, in Hacienda Heights, is also an enjoyable month, with average temperature ranging between min 49.6°F (9.8°C) and max 64.9°F (18.3°C). The coldest month is December, with an average high-temperature of 64.9°F (18.3°C) and an average low-temperature of 49.6°F (9.8°C). Weather in December »
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FAQ

How much does it rain in Hacienda Heights?

Throughout the year, in Hacienda Heights, there are 40.9 rainfall days, and 6.3" (160mm) of precipitation is accumulated.

When is the lowest UV index in Hacienda Heights?

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 Hacienda Heights?

With an average of 6.7h of sunshine, February has the least sunshine of the year.

What is the most humid month in Hacienda Heights?

The most humid month is June, with an average relative humidity of 60%.

What is the driest month in Hacienda Heights?

June and August are months with the least rain in Hacienda Heights, California, when the rain falls for 1.2 days and typically aggregates up to 0.04" (1mm) of rain.

When are the longest days in Hacienda Heights?

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

What month has the most sunshine in Hacienda Heights?

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

What is the warmest month in Hacienda Heights?

The warmest month is August, with an average high-temperature of 87.6°F (30.9°C) and an average low-temperature of 65.8°F (18.8°C).

What is the month with the highest UV index in Hacienda Heights?

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

What is the least humid month in Hacienda Heights?

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

What is the coldest month in Hacienda Heights?

December is the coldest month, with an average high-temperature of 64.9°F (18.3°C) and an average low-temperature of 49.6°F (9.8°C).

What is the rainiest month in Hacienda Heights?

The month with the most rainfall in Hacienda Heights, California, is December when the rain falls for 5.5 days and typically aggregates up to 1.46" (37mm) of precipitation.

What is the month with the shortest days in Hacienda Heights?

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

Average temperature
Hacienda Heights, CA

Average temperature - Hacienda Heights, CA

The warmest month (with the highest average high temperature) is August (87.6°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 (49.3°F).

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Average pressure
Hacienda Heights, CA

Average pressure - Hacienda Heights, 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
Hacienda Heights, CA

Average wind speed - Hacienda Heights, CA

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).

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Average humidity
Hacienda Heights, CA

Average humidity - Hacienda Heights, CA

The month with the highest relative humidity is June (60%).
The month with the lowest relative humidity is November (47%).

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Average rainfall
Hacienda Heights, CA

Average rainfall - Hacienda Heights, CA

The wettest month (with the highest rainfall) is December (1.46").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days
Hacienda Heights, CA

Average rainfall days - Hacienda Heights, CA

The month with the highest number of rainy days is March (5.8 days).
The month with the least rainy days is June (1.2 days).

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Average daylight / Average sunshine
Hacienda Heights, CA

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

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Average sunshine days
Hacienda Heights, CA

Average sunshine days - Hacienda Heights, CA

The month with the most sunshine days is August (28.6 days).
The month with the least sunshine days is February (22.6 days).

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Average UV index
Hacienda Heights, CA

Average UV index - Hacienda Heights, CA

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

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Average visibility
Hacienda Heights, CA

Average visibility - Hacienda Heights, 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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