Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
A minimal variation is noted in La Mesa's average high-temperature at the onset of October, reaching a still moderately hot 76.5°F (24.7°C) from September's 81.5°F (27.5°C). La Mesa witnesses an average low-temperature of 59.7°F (15.4°C) throughout the month of October.Humidity
In La Mesa, the average relative humidity in October is 60%.Rainfall
In La Mesa, in October, it is raining for 2.6 days, with typically 0.16" (4mm) 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 October is 11h and 21min.On the first day of the month, sunrise is at 6:42 am and sunset at 6:32 pm. On the last day of October, sunrise is at 7:05 am and sunset at 5:57 pm PDT.
Sunshine
In October, the average sunshine is 8.9h.UV index
In La Mesa, the average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In October, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature?
What is the average humidity in October?
How many days does it rain in October?
How many hours of daylight does La Mesa have in October?
When are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index intensity in October?
Average temperature in October
La Mesa, CA
- Average high temperature in October: 76.5°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 October: 59.7°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 October
La Mesa, CA
- Average pressure in October: 29.93"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 October
La Mesa, CA
- Average wind speed in October: 4.5mph
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 October
La Mesa, CA
- Average humidity in October: 60%
The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is November (55%).
Average rainfall in October
La Mesa, CA
- Average rainfall in October: 0.16"
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 October
La Mesa, CA
- Average rainfall days in October: 2.6 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 October /
Average sunshine in October
La Mesa, CA
- Average daylight in October: 11h and 2min
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 October: 8h 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 October
La Mesa, CA
- Average sunshine days in October: 27 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 October
La Mesa, CA
- Average UV index in October: 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 October
La Mesa, CA
- Average cloud cover in October: 13
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 October
La Mesa, CA
- Average visibility in October: 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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