May weather forecast and climate
Corona, CA

Colorful beach homes along the Pacific Ocean facing the calm turquoise-blue ocean water in Corona del Mar, California
Colorful beach homes along the Pacific Ocean facing the calm turquoise-blue ocean water in Corona del Mar, California
May, the last month of the spring, in Corona, is a warm month, 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

In Corona, the average high-temperature in May is almost the same as in April - a warm 75.4°F (24.1°C). In May, in Corona, the average low-temperature is 54.9°F (12.7°C).

Humidity

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

Rainfall

In Corona, it is raining for 4.5 days, with typically 0.35" (9mm) of accumulated precipitation. In Corona, California, during the entire year, the rain falls for 53.9 days and collects up to 8.86" (225mm) of precipitation.

Daylight

In Corona, the average length of the day is 13.9h.

Sunshine

In May, the average sunshine in Corona is 11.1h.

UV index

In Corona, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in May in Corona?

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

What is the most humid month in Corona?

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

What is the average humidity in May in Corona?

The average relative humidity in May in Corona, California, is 60%.

How many days does it rain in May in Corona?

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

What is the average length of the day in May in Corona?

The average length of the day in May in Corona is 13.9h.

How many hours of sunshine does Corona have in May?

The average sunshine in May is 11.1h.

What is the UV index reading in May in Corona?

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

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.87").

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: 13.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in May: 11.1h

Months with the most sunshine are July and August (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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

Months with the highest UV index are July and August (UV index 7).
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

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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).