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
La Mesa's shift into May is marked by a subtle change to a still agreeable 70.9°F (21.6°C) from April's 69.4°F (20.8°C) in temperature. An average low-temperature of 54.3°F (12.4°C) is anticipated throughout the nights in La Mesa, California, during May.Humidity
With an average relative humidity of 68%, May is the most humid month.Rainfall
In La Mesa, in May, during 4.2 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 54.5 rainfall days, and 6.57" (167mm) of precipitation is accumulated.Daylight
In May, the average length of the day is 13h and 52min.On the first day of the month, sunrise is at 5:59 am and sunset at 7:30 pm. On the last day of May, in La Mesa, sunrise is at 5:40 am and sunset at 7:50 pm PDT.
Sunshine
In May, the average sunshine is 10.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What is the usual temperature for La Mesa in May?
What is the most humid month in La Mesa?
What is the average humidity in May in La Mesa?
How much does it rain in La Mesa in May?
What is the average length of the day in May in La Mesa?
What time are sunrise and sunset in May in La Mesa?
How long on average sun shines in May in La Mesa?
What is the UV index intensity in May in La Mesa?
Average temperature in May
La Mesa, CA
- Average high temperature in May: 70.9°F
The warmest month (with the highest average high temperature) is August (82.6°F).
The month with the lowest average high temperature is December (64.2°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in May
La Mesa, CA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
La Mesa, CA
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).
Average humidity in May
La Mesa, CA
- Average humidity in May: 68%
The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is November (55%).
Average rainfall in May
La Mesa, CA
- Average rainfall in May: 0.39"
The wettest month (with the highest rainfall) is February (1.3").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in May
La Mesa, CA
- Average rainfall days in May: 4.2 days
The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is June (1.4 days).
Average daylight in May /
Average sunshine in May
La Mesa, CA
- Average daylight in May: 13h and 5min
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 0min).
- Average sunshine in May: 10h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in May
La Mesa, CA
- Average sunshine days in May: 24.5 days
The month with the most sunshine days is June (28.1 days).
The month with the least sunshine days is February (21 days).
Average UV index in May
La Mesa, CA
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in May
La Mesa, CA
- Average cloud cover in May: 22
The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in May
La Mesa, 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).
La Mesa, California, USA
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