May weather forecastCorona, CA

Colorful beach homes along the Pacific Ocean facing the calm turquoise-blue ocean water in Corona del Mar, California

May

Weather in May

The last month of the spring, May, is a warm month in Corona, California, with temperature in the range of an average low of 54.9°F (12.7°C) and an average high of 75.4°F (24.1°C).

Temperature

The arrival of May brings an average high-temperature of a warm 75.4°F (24.1°C), subtly diverging from April's 72.5°F (22.5°C). Corona's average low-temperature during May nights is observed to be a cool 54.9°F (12.7°C).

Humidity

May is the most humid month in Corona, with an average relative humidity of 60%.

Rainfall

In May, the rain falls for 4.5 days. Throughout May, 0.35" (9mm) of precipitation is accumulated. Throughout the year, there are 53.9 rainfall days, and 8.86" (225mm) of precipitation is accumulated.

Daylight

In May, the average length of the day is 13h and 56min.
On the first day of May, sunrise is at 6:00 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:55 pm PDT.

Sunshine

The average sunshine in May is 11.1h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In May, in Corona, the average high-temperature is 75.4°F (24.1°C), and the average low-temperature is 54.9°F (12.7°C).

With an average relative humidity of 60%, May is the most humid month.

In May, the average relative humidity is 60%.

In Corona, in May, during 4.5 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

In Corona, the average day length in May is 13h and 56min.

In May, on the first day of the month, sunrise is at 6:00 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:55 pm PDT.

The average sunshine duration in May is 11.1h.

In May, the average daily maximum UV index in Corona, California, is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

72.5°F

75.4°F

82°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.1mph

6.2mph

5.7mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

22.7

23.9

27.1

Average UV index

Average cloud cover

19%

18%

Average visibility

6mi

Average temperature in May
Corona, CA

Average high temperature in May: 75.4°F

The warmest month (with the highest average high temperature) is August (89.4°F).
The month with the lowest average high temperature is December (63.5°F).

Average low temperature in May: 54.9°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (46.9°F).

Average pressure in May
Corona, 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
Corona, CA

Average wind speed in May: 5.4mph

The windiest months (with the highest average wind speed) are April and May (5.4mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).

Average humidity in May
Corona, CA

Average humidity in May: 60%

The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is November (48%).

Average rainfall in May
Corona, CA

Average rainfall in May: 0.35"

The wettest month (with the highest rainfall) is December (1.89").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in May
Corona, CA

Average rainfall days in May: 4.5 days

The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is June (1.3 days).

Average daylight in May /
Average sunshine in May
Corona, 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 6min

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 42min).

Average sunshine days in May
Corona, CA

Average sunshine days in May: 23.9 days

The month with the most sunshine days is June (27.1 days).
The month with the least sunshine days is February (20.8 days).

Average UV index in May
Corona, CA

Average UV index in May: 5

The months with the highest UV index are July and 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
Corona, CA

Average cloud cover in May: 18

The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in May
Corona, 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).