May weather forecastChino Hills, CA
May
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).Temperature
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). Nighttime temperature dips to a mean of 55.4°F (13°C) during May.Humidity
The months with the highest humidity are May and June, with an average relative humidity of 60%.Rainfall
In Chino Hills, in May, it is raining for 3.6 days, with typically 0.16" (4mm) of accumulated precipitation. Throughout the year, there are 41.8 rainfall days, and 2.8" (71mm) of precipitation is accumulated.Daylight
The average length of the day in May is 13h and 56min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:35 pm. On the last day of May, sunrise is at 5:40 am and sunset at 7:56 pm PDT.
Sunshine
The average sunshine in May is 11.3h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 during May translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Chino Hills, CA
- Average high temperature in May: 74.7°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 May: 55.4°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 in May
Chino Hills, CA
- Average pressure in May: 29.91"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 in May
Chino Hills, CA
- Average wind speed in May: 5.5mph
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 in May
Chino Hills, CA
- Average humidity in May: 60%
The months with the highest relative humidity are May and June (60%).
The month with the lowest relative humidity is November (48%).
Average rainfall in May
Chino Hills, CA
- Average rainfall in May: 0.16"
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 in May
Chino Hills, CA
- Average rainfall days in May: 3.6 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 in May /
Average sunshine in May
Chino Hills, CA
- Average daylight in May: 13h 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 May: 11h and 18min
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 in May
Chino Hills, CA
- Average sunshine days in May: 24.5 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 in May
Chino Hills, CA
- Average UV index in May: 5
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 in May
Chino Hills, CA
- Average cloud cover in May: 16
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 in May
Chino Hills, CA
- Average visibility in May: 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).
