Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
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
What are the temperatures in May?
What is the most humid month?
What is the average humidity in May?
How much does it rain in May?
How many hours of daylight does Chino Hills have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Chino Hills have in May?
What is the UV index reading in May?
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 5min
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 2min
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).
Chino Hills, California, USA
Weather forecast for your location
2. Allow the app to use your location