January weather forecast
Chino Hills, CA

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Weather in January

January, the same as December, is another enjoyable winter month in Chino Hills, California, with temperature in the range of an average high of 66.6°F (19.2°C) and an average low of 49.3°F (9.6°C).

Temperature

Chino Hills marks the onset of January with an average high-temperature of a still comfortable 66.6°F (19.2°C), subtly divergent from December's 63.9°F (17.7°C). An average low-temperature of 49.3°F (9.6°C) is observed during January nights in Chino Hills, California.

Humidity

In Chino Hills, the average relative humidity in January is 52%.

Rainfall

In Chino Hills, during January, the rain falls for 3.8 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Chino Hills, during the entire year, the rain falls for 41.8 days and collects up to 2.8" (71mm) of precipitation.

Daylight

In January, the average length of the day is 10h and 12min.
On the first day of the month, sunrise is at 6:56 am and sunset at 4:52 pm. On the last day of January, sunrise is at 6:48 am and sunset at 5:20 pm PST.

Sunshine

The average sunshine in January is 6.9h.

UV index

The months with the lowest UV index in Chino Hills are January, February, November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 4 during January, leads to the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What is the usual temperature for Chino Hills in January?

January temperatures vary between a high-temperature of 66.6°F (19.2°C) and a low-temperature of 49.3°F (9.6°C).

What is the average humidity in January in Chino Hills?

The average relative humidity in January in Chino Hills is 52%.

How many days does it rain in January in Chino Hills?

In Chino Hills, during January, the rain falls for 3.8 days and regularly aggregates up to 0.35" (9mm) of precipitation.

What is the average length of the day in January in Chino Hills?

In Chino Hills, California, the average day length in January is 10h and 12min.

When is the sunrise / sunset in January in Chino Hills?

In January, on the first day of the month, sunrise is at 6:56 am and sunset at 4:52 pm. On the last day of the month, in Chino Hills, sunrise is at 6:48 am and sunset at 5:20 pm PST.

How long on average sun shines in January in Chino Hills?

In January, the average sunshine duration in Chino Hills, California, is 6.9h.

What are the months with 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 in Chino Hills.

What is the UV index intensity in January in Chino Hills?

In Chino Hills, the average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Chino Hills, CA

Average temperature in January - Chino Hills, CA
  • Average high temperature in January: 66.6°F

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).

  • Average low temperature in January: 49.3°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 in January
Chino Hills, CA

Average pressure in January - Chino Hills, CA
  • Average pressure in January: 30.1"Hg

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

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Average wind speed in January
Chino Hills, CA

Average wind speed in January - Chino Hills, CA
  • Average wind speed in January: 5.2mph

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 in January
Chino Hills, CA

Average humidity in January - Chino Hills, CA
  • Average humidity in January: 52%

The 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 in January
Chino Hills, CA

Average rainfall in January - Chino Hills, CA
  • Average rainfall in January: 0.35"

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 in January
Chino Hills, CA

Average rainfall days in January - Chino Hills, CA
  • Average rainfall days in January: 3.8 days

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 in January /
Average sunshine in January
Chino Hills, CA

Average daylight in January / Average sunshine in January - Chino Hills, CA
  • Average daylight in January: 10h and 1min

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).

  • Average sunshine in January: 6h and 5min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in January
Chino Hills, CA

Average sunshine days in January - Chino Hills, CA
  • Average sunshine days in January: 25.4 days

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 in January
Chino Hills, CA

Average UV index in January - Chino Hills, CA
  • Average UV index in January: 4

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

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Average cloud cover in January
Chino Hills, CA

Average cloud cover in January - Chino Hills, CA
  • Average cloud cover in January: 20

The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in January
Chino Hills, CA

Average visibility in January - Chino Hills, CA
  • Average visibility in January: 6mi

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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Chino Hills, California, USA

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