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
With the commencement of October, San Dimas records a moderate temperature decline, with the average high easing from September's hot 86.7°F (30.4°C) to a warm 78.3°F (25.7°C). San Dimas observes an average nighttime low-temperature of 58.1°F (14.5°C) during the month of October.Humidity
In October, the average relative humidity is 46%.Rainfall
In San Dimas, during October, the rain falls for 2.6 days and regularly aggregates up to 0.2" (5mm) of precipitation. In San Dimas, during the entire year, the rain falls for 45.2 days and collects up to 6.5" (165mm) of precipitation.Daylight
The average length of the day in October in San Dimas is 11h and 19min.On the first day of the month, sunrise is at 6:46 am and sunset at 6:34 pm. On the last day of October, in San Dimas, sunrise is at 7:10 am and sunset at 5:58 pm PDT.
Sunshine
In San Dimas, the average sunshine in October is 8.8h.UV index
In San Dimas, the average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In October, the maximum UV index of 5 suggests these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What is the temperature in October in San Dimas?
What is the average humidity in October in San Dimas?
How much does it rain in San Dimas in October?
How many hours of daylight does San Dimas have in October?
What time are sunrise and sunset in October in San Dimas?
How many hours of sunshine does San Dimas have in October?
How high is the UV index in October in San Dimas?
Average temperature in October
San Dimas, CA
- Average high temperature in October: 78.3°F
The warmest month (with the highest average high temperature) is August (89.4°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in October: 58.1°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).
Average pressure in October
San Dimas, CA
- Average pressure in October: 29.94"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in October
San Dimas, CA
- Average wind speed in October: 4.6mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).
Average humidity in October
San Dimas, CA
- Average humidity in October: 46%
The months with the highest relative humidity are March and May (55%).
The months with the lowest relative humidity are August and November (45%).
Average rainfall in October
San Dimas, CA
- Average rainfall in October: 0.2"
The wettest month (with the highest rainfall) is February (1.46").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in October
San Dimas, CA
- Average rainfall days in October: 2.6 days
The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (1.2 days).
Average daylight in October /
Average sunshine in October
San Dimas, CA
- Average daylight in October: 11h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in October: 8h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 0min).
Average sunshine days in October
San Dimas, CA
- Average sunshine days in October: 27 days
The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is February (22 days).
Average UV index in October
San Dimas, CA
- Average UV index in October: 5
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in October
San Dimas, CA
- Average cloud cover in October: 9
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in October
San Dimas, 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).
San Dimas, California, USA
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