May weather forecastImperial Beach, CA
May
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
May's climate shows a minor adjustment in average high-temperatures to a still comfortable 67.5°F (19.7°C) from April's 66.4°F (19.1°C). In the month of May, the nighttime temperature in Imperial Beach, California, dips to a steady average of 57°F (13.9°C).Humidity
The average relative humidity in May 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. Throughout the year, in Imperial Beach, there are 61.2 rainfall days, and 7.32" (186mm) of precipitation is accumulated.Daylight
In May, the average length of the day is 13h and 51min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:30 pm. On the last day of May, sunrise is at 5:41 am and sunset at 7:50 pm PDT.
Sunshine
In Imperial Beach, California, the average sunshine in May is 10.6h.UV index
In Imperial Beach, California, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 5 during May translates into the following guidance:
Ensure safety - Recommendations to avert sunburn are presented. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure in May
Imperial Beach, CA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
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).
Average humidity in May
Imperial Beach, CA
- Average humidity in May: 72%
The month with the highest relative humidity is June (73%).
The months with the lowest relative humidity are January and November (60%).
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").
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).
Average daylight in May /
Average sunshine in May
Imperial Beach, CA
- Average daylight in May: 13h and 48min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in May: 10h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
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).
Average UV index in May
Imperial Beach, CA
- Average UV index in May: 5
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in May
Imperial Beach, CA
- Average cloud cover in May: 25
The 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).
Average visibility in May
Imperial Beach, 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).
