Climate and monthly weather forecastChino Hills, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another comfortable winter month in Chino Hills, California, with an average temperature varying between 49.3°F (9.6°C) and 66.6°F (19.2°C). As January takes its course, Chino Hills's average high-temperature registers at a still enjoyable 66.6°F (19.2°C), closely aligning with the preceding month. Weather in January »Weather in February
February, the last month of the winter in Chino Hills, is another comfortable month, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 65.7°F (18.7°C). February's arrival brings an average high-temperature of a still comfortable 65.7°F (18.7°C), demonstrating subtle variation from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Chino Hills, is an agreeable month, with an average temperature fluctuating between 68.7°F (20.4°C) and 49.6°F (9.8°C). March's arrival brings an average high-temperature of an agreeable 68.7°F (20.4°C), slightly deviating from February's 65.7°F (18.7°C). Weather in March »Weather in April
April, like March, is another pleasant spring month in Chino Hills, California, with an average temperature fluctuating between 52.3°F (11.3°C) and 72.1°F (22.3°C). The commencement of April introduces an average high-temperature of a still agreeable 72.1°F (22.3°C), closely mirroring the preceding month. Weather in April »Weather in May
May, the last month of the spring in Chino Hills, is a moderately hot month, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 55.4°F (13°C). With the onset of May, the average high-temperature stands at a moderately hot 74.7°F (23.7°C), closely aligned with April's 72.1°F (22.3°C). Weather in May »Weather in June
June, the first month of the summer in Chino Hills, is still a warm month, with an average temperature ranging between min 58.6°F (14.8°C) and max 80.2°F (26.8°C). June showcases a minor temperature ascent, adjusting from May's 74.7°F (23.7°C) to a still moderately hot 80.2°F (26.8°C). Weather in June »Weather in July
July in Chino Hills, California, is a tropical summer month, with an average temperature fluctuating between 64°F (17.8°C) and 86.2°F (30.1°C). July's onset brings a subtle temperature rise, moving from a moderately hot 80.2°F (26.8°C) in June to a tropical 86.2°F (30.1°C). Weather in July »Weather in August
August, the last month of the summer in Chino Hills, is another tropical month, with an average temperature fluctuating between 87.6°F (30.9°C) and 65.8°F (18.8°C). August stands out as Chino Hills's warmest month, with temperatures ranging between an average high of 87.6°F (30.9°C) and a low of 65.8°F (18.8°C). The heat index for August is calculated to be a tropical 91.4°F (33°C). Weather in August »Weather in September
The first month of the autumn, September, is also a hot month in Chino Hills, California, with an average temperature ranging between min 64.4°F (18°C) and max 86°F (30°C). Chino Hills's weather in September displays an average high-temperature of a still tropical 86°F (30°C), showing minor disparity from August's 87.6°F (30.9°C). Weather in September »Weather in October
October, like September, in Chino Hills, California, is a moderately hot autumn month, with an average temperature ranging between min 59.9°F (15.5°C) and max 79°F (26.1°C). The onset of October entails a subtle temperature shift, as the average high-temperature eases from a tropical 86°F (30°C) in September to a warm 79°F (26.1°C). Weather in October »Weather in November
November, the last month of the autumn in Chino Hills, is also an agreeable month, with an average temperature fluctuating between 71.6°F (22°C) and 54.5°F (12.5°C). Chino Hills, California, observes a small decrease in the average high-temperature with the arrival of November, falling from October's warm 79°F (26.1°C) to a pleasant 71.6°F (22°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Chino Hills, California, with an average temperature ranging between max 63.9°F (17.7°C) and min 48.4°F (9.1°C). December, known for its average high temperature of 63.9°F (17.7°C) and an average low temperature of 48.4°F (9.1°C), is the coldest month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure
Chino Hills, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.9"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.88"Hg - Average pressure in October:
29.94"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.07"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).
Average wind speed
Chino Hills, CA
- Average wind speed in January:
5.2mph - Average wind speed in February:
4.9mph - Average wind speed in March:
4.9mph - Average wind speed in April:
5.5mph - Average wind speed in May:
5.5mph - Average wind speed in June:
5.1mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.3mph - Average wind speed in October:
4.6mph - Average wind speed in November:
4.8mph - Average wind speed in December:
5mph
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).
Average humidity
Chino Hills, CA
The months with the highest relative humidity are May and June (60%).
The month with the lowest relative humidity is November (48%).
Average rainfall
Chino Hills, CA
- Average rainfall in January:
0.35" - Average rainfall in February:
0.43" - Average rainfall in March:
0.39" - Average rainfall in April:
0.24" - Average rainfall in May:
0.16" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.12" - Average rainfall in August:
0.08" - Average rainfall in September:
0.08" - Average rainfall in October:
0.12" - Average rainfall in November:
0.28" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is December (0.51").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
Chino Hills, CA
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
4.4 days - Average rainfall days in March:
7.2 days - Average rainfall days in April:
4.3 days - Average rainfall days in May:
3.6 days - Average rainfall days in June:
0.9 days
- Average rainfall days in July:
2.8 days - Average rainfall days in August:
1.4 days - Average rainfall days in September:
2 days - Average rainfall days in October:
2.6 days - Average rainfall days in November:
3.3 days - Average rainfall days in December:
5.5 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).
Average daylight / Average sunshine
Chino Hills, CA
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
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 54min - Average sunshine in February:
6h and 54min - Average sunshine in March:
8h and 48min - Average sunshine in April:
11h and 0min - Average sunshine in May:
11h and 18min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 6min - Average sunshine in September:
10h and 36min - Average sunshine in October:
8h and 42min - Average sunshine in November:
7h and 12min - Average sunshine in December:
6h and 48min
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).
Average sunshine days
Chino Hills, CA
- Average sunshine days in January:
25.4 days - Average sunshine days in February:
21.8 days - Average sunshine days in March:
22.6 days - Average sunshine days in April:
24.7 days - Average sunshine days in May:
24.5 days - Average sunshine days in June:
27.3 days
- Average sunshine days in July:
26 days - Average sunshine days in August:
26.8 days - Average sunshine days in September:
25.3 days - Average sunshine days in October:
25.6 days - Average sunshine days in November:
24.3 days - Average sunshine days in December:
23.8 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).
Average UV index
Chino Hills, CA
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).
Average cloud cover
Chino Hills, CA
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).
Average visibility
Chino Hills, CA
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).





