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
As April transitions into May, the average high-temperature rests at a still pleasant 70.9°F (21.6°C), maintaining a close resemblance to the previous month. La Mesa throughout May, experiences an average nighttime temperature of 54.3°F (12.4°C).Humidity
The most humid month in La Mesa is May, with an average relative humidity of 68%.Rainfall
In La Mesa, in May, it is raining for 4.2 days, with typically 0.39" (10mm) of accumulated precipitation. In La Mesa, during the entire year, the rain falls for 54.5 days and collects up to 6.57" (167mm) of precipitation.Daylight
In La Mesa, the average length of the day in May 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, sunrise is at 5:40 am and sunset at 7:50 pm PDT.
Sunshine
In La Mesa, the average sunshine in May is 10.8h.UV index
In La Mesa, 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 maximum UV index of 5 during May leads to these instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for La Mesa in May?
What is the most humid month?
What is the average humidity in May?
How many days does it rain in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does La Mesa have in May?
What is the UV index reading in May?
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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