Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July's average high-temperature is a still moderately hot 80.2°F (26.8°C), maintaining a close comparison with June's 75.7°F (24.3°C). La Mesa experiences a consistent average temperature of 64°F (17.8°C) throughout the nights in July.Humidity
In July, the average relative humidity in La Mesa, California, is 65%.Rainfall
In July, the rain falls for 4.4 days. Throughout July, 0.31" (8mm) of precipitation is accumulated. 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 July is 14h and 4min.On the first day of July, sunrise is at 5:44 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:47 pm PDT.
Sunshine
July has the most sunshine of the year in La Mesa, with an average of 12h of sunshine.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In July, the maximum UV index of 6 translates into these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What is the temperature in July in La Mesa?
What is the average humidity in July in La Mesa?
How much does it rain in La Mesa in July?
What is the average length of the day in July in La Mesa?
What time are sunrise and sunset in July in La Mesa?
What month has the most sunshine in La Mesa?
How many hours of sunshine does La Mesa have in July?
When is the highest UV index in La Mesa?
What is the UV index reading in July in La Mesa?
Average temperature in July
La Mesa, CA
- Average high temperature in July: 80.2°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 July: 64°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 July
La Mesa, CA
- Average pressure in July: 29.9"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 July
La Mesa, CA
- Average wind speed in July: 4.9mph
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 July
La Mesa, CA
- Average humidity in July: 65%
The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is November (55%).
Average rainfall in July
La Mesa, CA
- Average rainfall in July: 0.31"
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 July
La Mesa, CA
- Average rainfall days in July: 4.4 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 July /
Average sunshine in July
La Mesa, CA
- Average daylight in July: 14h and 1min
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 July: 12h and 0min
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 July
La Mesa, CA
- Average sunshine days in July: 24.7 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 July
La Mesa, CA
- Average UV index in July: 6
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 July
La Mesa, CA
- Average cloud cover in July: 10
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 July
La Mesa, CA
- Average visibility in July: 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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