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 snowfall in October
- Average snowfall 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
The arrival of October is marked by a minor reduction in average high-temperature, sliding from 85.8°F (29.9°C) in September to a still moderately hot 77.9°F (25.5°C). Perris, in October, displays a significant temperature downturn during the night, with an average reading of 54.5°F (12.5°C).Humidity
In Perris, the average relative humidity in October is 51%.Rainfall
In October, the rain falls for 3.3 days. Throughout October, 0.24" (6mm) of precipitation is accumulated. Throughout the year, there are 55.7 rainfall days, and 7.05" (179mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
The average length of the day in October is 11h and 19min.On the first day of October, sunrise is at 6:43 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:57 pm PDT.
Sunshine
The average sunshine in October is 8.8h.UV index
In Perris, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in October interprets into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Perris in October?
What is the average humidity in October?
How much does it rain in October?
When it does not snow?
What is the average length of the day in October?
When are sunrise and sunset in October?
How many hours of sunshine does Perris have in October?
What is the UV index reading in October?
Average temperature in October
Perris, CA
- Average high temperature in October: 77.9°F
The warmest month (with the highest average high temperature) is August (89.6°F).
The month with the lowest average high temperature is December (61°F).
- Average low temperature in October: 54.5°F
The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is December (43°F).
Average pressure in October
Perris, CA
- Average pressure in October: 29.93"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in October
Perris, CA
- Average wind speed in October: 4.3mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are August and September (4.2mph).
Average humidity in October
Perris, CA
- Average humidity in October: 51%
The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is August (47%).
Average rainfall in October
Perris, CA
- Average rainfall in October: 0.24"
The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in October
Perris, CA
- Average rainfall days in October: 3.3 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.3 days).
Average snowfall in October
Perris, CA
- Average snowfall in October: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in October
Perris, CA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in October /
Average sunshine in October
Perris, 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: 10h and 0min).
- Average sunshine in October: 8h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in October
Perris, CA
- Average sunshine days in October: 26.1 days
The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in October
Perris, CA
- Average UV index in October: 4
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in October
Perris, CA
- Average cloud cover in October: 12
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in October
Perris, 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).
Perris, California, USA
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