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
May signals a minor shift in the average high-temperature, moving from April's pleasant 69.4°F (20.8°C) to a moderately hot 77.5°F (25.3°C). A striking departure from daytime highs to an average low-temperature of 51.3°F (10.7°C) is witnessed during May.Humidity
The average relative humidity in May is 59%.Rainfall
In Rosemont, California, in May, it is raining for 5.3 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 70.5 rainfall days, and 15.04" (382mm) of precipitation is accumulated.Daylight
The average length of the day in May in Rosemont is 14h and 17min.On the first day of the month, sunrise is at 6:07 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:42 am and sunset at 8:23 pm PDT.
Sunshine
In Rosemont, the average sunshine in May is 11h.UV index
In Rosemont, California, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Rosemont?
What is the average humidity in May in Rosemont?
How much does it rain in Rosemont in May?
How many hours of daylight does Rosemont have in May?
What time are sunrise and sunset in May in Rosemont?
How long on average sun shines in May in Rosemont?
What is the UV index intensity in May in Rosemont?
Average temperature in May
Rosemont, CA
- Average high temperature in May: 77.5°F
The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is December (54.3°F).
- Average low temperature in May: 51.3°F
The month with the highest average low temperature is August (59.9°F).
The coldest months (with the lowest average low temperature) are January and December (40.8°F).
Average pressure in May
Rosemont, CA
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Rosemont, CA
- Average wind speed in May: 5.2mph
The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).
Average humidity in May
Rosemont, CA
- Average humidity in May: 59%
The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are July and September (44%).
Average rainfall in May
Rosemont, CA
- Average rainfall in May: 0.87"
The wettest month (with the highest rainfall) is March (2.72").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in May
Rosemont, CA
- Average rainfall days in May: 5.3 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is July (1 days).
Average daylight in May /
Average sunshine in May
Rosemont, CA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in May
Rosemont, CA
- Average sunshine days in May: 25.3 days
The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is March (17.6 days).
Average UV index in May
Rosemont, CA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Rosemont, CA
- Average cloud cover in May: 21
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in May
Rosemont, 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).
Rosemont, California, USA
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