May weather forecast and climate
Imperial Beach, CA

Weather in May

The last month of the spring, May, is another comfortable month in Imperial Beach, California, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 67.5°F (19.7°C).

Temperature

In Imperial Beach, California, the average high-temperature in May is essentially the same as in April - a still comfortable 67.5°F (19.7°C). In Imperial Beach, the average low-temperature is 57°F (13.9°C).

Humidity

The average relative humidity in Imperial Beach is 72%.

Rainfall

In Imperial Beach, California, during May, the rain falls for 4.9 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Imperial Beach, during the entire year, the rain falls for 61.2 days and collects up to 7.32" (186mm) of precipitation.

Daylight

In Imperial Beach, the average length of the day in May is 13.9h.

Sunshine

In May, the average sunshine is 10.6h.

UV index

In May, the average daily maximum UV index in Imperial Beach is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 in May transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in May in Imperial Beach?

In May, in Imperial Beach, the average high-temperature is 67.5°F (19.7°C), and the average low-temperature is 57°F (13.9°C).

What is the average humidity in May in Imperial Beach?

The average relative humidity in May in Imperial Beach, California, is 72%.

How much does it rain in Imperial Beach in May?

In May, in Imperial Beach, the rain falls for 4.9 days. Throughout May, 0.35" (9mm) of precipitation is accumulated.

What is the average length of the day in May in Imperial Beach?

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

How long on average sun shines in May in Imperial Beach?

The average sunshine in May in Imperial Beach, California, is 10.6h.

What is the UV index reading in May in Imperial Beach?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in May
Imperial Beach, CA

Average temperature in May - Imperial Beach, CA
  • Average high temperature in May: 67.5°F

The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (63.5°F).

  • Average low temperature in May: 57°F

The month with the highest average low temperature is August (66.6°F).
The coldest month (with the lowest average low temperature) is February (52°F).

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Average pressure in May
Imperial Beach, CA

Average pressure in May - Imperial Beach, CA
  • Average pressure in May: 29.93"

The month with the highest atmospheric pressure is January (30.09").
Months with the lowest atmospheric pressure are June and September (29.88").

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Average wind speed in May
Imperial Beach, CA

Average wind speed in May - Imperial Beach, CA
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is October (5.3mph).

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Average humidity in May
Imperial Beach, CA

Average humidity in May - Imperial Beach, CA
  • Average humidity in May: 72%

The month with the highest relative humidity is June (73%).
Months with the lowest relative humidity are January and November (60%).

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Average rainfall in May
Imperial Beach, CA

Average rainfall in May - Imperial Beach, CA
  • Average rainfall in May: 0.35"

The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.12").

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Average rainfall days in May
Imperial Beach, CA

Average rainfall days in May - Imperial Beach, CA
  • Average rainfall days in May: 4.9 days

The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (2.5 days).

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Average daylight in May /
Average sunshine in May
Imperial Beach, CA

Average daylight in May / Average sunshine in May - Imperial Beach, CA
  • Average daylight in May: 13.9h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in May: 10.6h

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 6.6h).

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Average sunshine days in May
Imperial Beach, CA

Average sunshine days in May - Imperial Beach, CA
  • Average sunshine days in May: 23.2 days

The month with the most sunshine days is June (26 days).
The month with the least sunshine days is February (20.3 days).

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Average UV index in May
Imperial Beach, CA

Average UV index in May - Imperial Beach, CA
  • Average UV index in May: 5

Months with the highest UV index are July, August and September (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average cloud cover in May
Imperial Beach, CA

Average cloud cover in May - Imperial Beach, CA
  • Average cloud cover in May: 25

Months with the most cloud cover are May and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 10).

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Average visibility in May
Imperial Beach, CA

Average visibility in May - Imperial Beach, 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).

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