Monthly weather forecast and climate
Chino Hills, CA

Weather in January

January, like December, in Chino Hills, California, is another enjoyable winter month, with average temperature varying between 66.6°F (19.2°C) and 49.3°F (9.6°C). In January, the average high-temperature is practically the same as in December - a still comfortable 66.6°F (19.2°C). Weather in January »

Weather in February

February, the last month of the winter, in Chino Hills, is also an enjoyable month, with average temperature varying between 65.7°F (18.7°C) and 48.4°F (9.1°C). In February, the average high-temperature is essentially the same as in January - a still enjoyable 65.7°F (18.7°C). Weather in February »

Weather in March

March, the first month of the spring, in Chino Hills, is a pleasant month, with average temperature fluctuating between 49.6°F (9.8°C) and 68.7°F (20.4°C). In Chino Hills, the average high-temperature in March is essentially the same as in February - an agreeable 68.7°F (20.4°C). Weather in March »

Weather in April

April, like March, is an agreeable spring month in Chino Hills, California, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 72.1°F (22.3°C). In April, the average high-temperature is almost the same as in March - a still pleasant 72.1°F (22.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Chino Hills, California, with average temperature varying between 74.7°F (23.7°C) and 55.4°F (13°C). In Chino Hills, the average high-temperature in May is essentially the same as in April - a moderately hot 74.7°F (23.7°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Chino Hills, California, with average temperature ranging between min 58.6°F (14.8°C) and max 80.2°F (26.8°C). In June, the average high-temperature marginally rises, from a moderately hot 74.7°F (23.7°C) in May, to a still warm 80.2°F (26.8°C). Weather in June »

Weather in July

July in Chino Hills, California, is a hot summer month, with average temperature fluctuating between 64°F (17.8°C) and 86.2°F (30.1°C). In Chino Hills, the average high-temperature marginally rises, from a warm 80.2°F (26.8°C) in June, to a hot 86.2°F (30.1°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Chino Hills, California, with average temperature fluctuating between 65.8°F (18.8°C) and 87.6°F (30.9°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. The average heat index is evaluated at a hot 91°F (32.8°C). Weather in August »

Weather in September

September, the first month of the autumn, in Chino Hills, is also a hot month, with average temperature ranging between min 64.4°F (18°C) and max 86°F (30°C). In Chino Hills, the average high-temperature in September is almost the same as in August - a still tropical 86°F (30°C). Weather in September »

Weather in October

October, like September, in Chino Hills, California, is a moderately hot autumn month, with average temperature varying between 59.9°F (15.5°C) and 79°F (26.1°C). In October, the average high-temperature marginally drops, from a tropical 86°F (30°C) in September, to a warm 79°F (26.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in Chino Hills, California, with average temperature fluctuating between 54.5°F (12.5°C) and 71.6°F (22°C). In November, the average high-temperature marginally drops, from a moderately hot 79°F (26.1°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 Chino Hills, is also an enjoyable month, with average temperature ranging between min 48.4°F (9.1°C) and max 63.9°F (17.7°C). With an average high-temperature of 63.9°F (17.7°C) and an average low-temperature of 48.4°F (9.1°C), December is the coldest month. Weather in December »
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FAQ

How much does it rain in Chino Hills?

In Chino Hills, during the entire year, the rain falls for 41.8 days and collects up to 2.8" (71mm) of precipitation.

When is the lowest UV index in Chino Hills?

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

What are the most humid months in Chino Hills?

May and June, with an average relative humidity of 60%, are most humid months.

What is the driest month in Chino Hills?

The month with the least rainfall in Chino Hills is June when the rain falls for 0.9 days and typically collects 0.04" (1mm) of precipitation.

When are the longest days in Chino Hills?

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

What is the month with the most sunshine in Chino Hills?

July and August, with an average of 12.1h of sunshine, are months with the most sunshine in Chino Hills, California.

What is the warmest month in Chino Hills?

The warmest month in Chino Hills 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).

When is the highest UV index in Chino Hills?

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

What is the least humid month in Chino Hills?

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

What is the coldest month in Chino Hills?

The coldest month in Chino Hills, California, is December, with an average high-temperature of 63.9°F (17.7°C) and an average low-temperature of 48.4°F (9.1°C).

What is the rainiest month in Chino Hills?

The month with the most rainfall is December when the rain falls for 5.5 days and typically aggregates up to 0.51" (13mm) of precipitation.

What is the month with the shortest days in Chino Hills?

December has the shortest days of the year in Chino Hills, California, with an average of 9.9h of daylight.

What is the month with the least sunshine in Chino Hills?

The month with the least sunshine is December, with an average of 6.8h of sunshine.

Average temperature
Chino Hills, CA

Average temperature - Chino Hills, 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 (63.9°F).

The month with the highest average low temperature is August (65.8°F).
The coldest months (with the lowest average low temperature) are February and December (48.4°F).

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Average pressure
Chino Hills, CA

Average pressure - Chino Hills, CA

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed
Chino Hills, CA

Average wind speed - Chino Hills, CA

The windiest months (with the highest average wind speed) are April and May (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).

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Average humidity
Chino Hills, CA

Average humidity - Chino Hills, CA

Months with the highest relative humidity are May and June (60%).
The month with the lowest relative humidity is November (48%).

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Average rainfall
Chino Hills, CA

Average rainfall - Chino Hills, CA

The wettest month (with the highest rainfall) is December (0.51").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days
Chino Hills, CA

Average rainfall days - Chino Hills, CA

The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (0.9 days).

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Average daylight / Average sunshine
Chino Hills, CA

Average daylight / Average sunshine - Chino Hills, 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: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days
Chino Hills, CA

Average sunshine days - Chino Hills, CA

The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is February (21.8 days).

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Average UV index
Chino Hills, CA

Average UV index - Chino Hills, 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
Chino Hills, CA

Average visibility - Chino Hills, 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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