October weather forecast
La Mesa, CA

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Weather in October

October, like September, in La Mesa, California, is another warm autumn month, with an average temperature fluctuating between 59.7°F (15.4°C) and 76.5°F (24.7°C).

Temperature

La Mesa greets October with an average high-temperature of a still warm 76.5°F (24.7°C), marking a slight deviation from the preceding month. Nighttime temperatures hover around an average low of 59.7°F (15.4°C) in October.

Humidity

In La Mesa, the average relative humidity in October is 60%.

Rainfall

In October, the rain falls for 2.6 days. Throughout October, 0.16" (4mm) of precipitation is accumulated. Throughout the year, in La Mesa, there are 54.5 rainfall days, and 6.57" (167mm) of precipitation is accumulated.

Daylight

The average length of the day in October is 11h and 21min.
On the first day of October, sunrise is at 6:42 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:57 pm PDT.

Sunshine

In La Mesa, the average sunshine in October is 8.9h.

UV index

In La Mesa, the average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 5 during October translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What are October temperatures in La Mesa?

La Mesa in October has an average high-temperature of 76.5°F (24.7°C) and an average low-temperature of 59.7°F (15.4°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is appraised at 84.2°F (29°C).

What is the average humidity in October in La Mesa?

In October, the average relative humidity in La Mesa is 60%.

How much does it rain in La Mesa in October?

In La Mesa, in October, it is raining for 2.6 days, with typically 0.16" (4mm) of accumulated precipitation.

How many hours of daylight does La Mesa have in October?

In October, the average day length is 11h and 21min.

When is the sunrise / sunset in October in La Mesa?

On the first day of October in La Mesa, sunrise is at 6:42 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:57 pm PDT.

How many hours of sunshine does La Mesa have in October?

In October, the average sunshine duration is 8.9h.

How high is the UV index in October in La Mesa?

In La Mesa, California, the average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
La Mesa, CA

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).

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Average pressure in October
La Mesa, CA

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).

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Average wind speed in October
La Mesa, CA

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).

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Average humidity in October
La Mesa, CA

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%).

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Average rainfall in October
La Mesa, CA

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").

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Average rainfall days in October
La Mesa, CA

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).

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Average daylight in October /
Average sunshine in October
La Mesa, CA

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).

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Average sunshine days in October
La Mesa, CA

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).

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Average UV index in October
La Mesa, CA

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).

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Average cloud cover in October
La Mesa, CA

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).

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Average visibility in October
La Mesa, CA

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).

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La Mesa, California, USA

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