October weather forecastPetrolia, CA
October
Weather in October
October, the same as September, is another refreshing autumn month in Petrolia, California, with an average temperature varying between 66.2°F (19°C) and 47.8°F (8.8°C).Temperature
In October, the meteorological conditions change slightly, with the average high-temperature moving from a pleasant 72.5°F (22.5°C) in September to an enjoyable 66.2°F (19°C). Petrolia experiences a nighttime temperature average of 47.8°F (8.8°C) during October.Humidity
In October, the average relative humidity is 74%.Rainfall
In Petrolia, in October, during 8 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Petrolia, California, during the entire year, the rain falls for 110.9 days and collects up to 28.27" (718mm) of precipitation.Snowfall
In Petrolia, California, snow does not fall in January, March through December.Daylight
In Petrolia, the average length of the day in October is 11h and 7min.On the first day of October in Petrolia, sunrise is at 7:14 am and sunset at 6:58 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 6:14 pm PDT.
Sunshine
In Petrolia, the average sunshine in October is 6.6h.UV index
In Petrolia, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In October, the UV index of 4 transforms into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Around midday, solar radiation is most harmful; hence, exposure should be limited. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Petrolia, CA
- Average high temperature in October: 66.2°F
The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is December (52.9°F).
- Average low temperature in October: 47.8°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is February (39.7°F).
Average pressure in October
Petrolia, CA
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.96"Hg).
Average wind speed in October
Petrolia, CA
- Average wind speed in October: 6.5mph
The windiest month (with the highest average wind speed) is June (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in October
Petrolia, CA
- Average humidity in October: 74%
The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is September (73%).
Average rainfall in October
Petrolia, CA
- Average rainfall in October: 1.89"
The wettest month (with the highest rainfall) is December (4.96").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in October
Petrolia, CA
- Average rainfall days in October: 8 days
The month with the highest number of rainy days is March (17.3 days).
The months with the least rainy days are July and August (1.8 days).
Average snowfall in October
Petrolia, CA
- Average snowfall in October: 0"
The month with the highest snowfall is February (0.59").
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
Petrolia, CA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in October /
Average sunshine in October
Petrolia, CA
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 6h and 36min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in October
Petrolia, CA
- Average sunshine days in October: 22.1 days
The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (11.9 days).
Average UV index in October
Petrolia, CA
- Average UV index in October: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in October
Petrolia, CA
- Average cloud cover in October: 26
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in October
Petrolia, CA
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
