October weather forecast
Petrolia, CA

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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.
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Frequently asked questions

What are October temperatures in Petrolia?

Petrolia in October has an average high-temperature of 66.2°F (19°C) and an average low-temperature of 47.8°F (8.8°C).

What is the average humidity in October in Petrolia?

The average relative humidity in October in Petrolia is 74%.

How many days does it rain in October in Petrolia?

In Petrolia, California, in October, during 8 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

When it does not snow in Petrolia?

January, March through December are months without snowfall.

What is the average length of the day in October in Petrolia?

In Petrolia, the average day length in October is 11h and 7min.

When are sunrise and sunset in October in Petrolia?

On the first day of October in Petrolia, California, 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.

How many hours of sunshine does Petrolia have in October?

In Petrolia, California, the average sunshine duration in October is 6.6h.

How high is the UV index in October in Petrolia?

In Petrolia, California, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Petrolia, CA

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).

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Average pressure in October
Petrolia, CA

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).

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Average wind speed in October
Petrolia, CA

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).

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Average humidity in October
Petrolia, CA

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%).

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Average rainfall in October
Petrolia, CA

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").

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Average rainfall days in October
Petrolia, CA

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).

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Average snowfall in October
Petrolia, CA

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").

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Average snowfall days in October
Petrolia, CA

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).

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Average daylight in October /
Average sunshine in October
Petrolia, CA

Average daylight in October / Average sunshine in October - Petrolia, CA
  • Average daylight in October: 11h and 1min

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 4min

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).

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Average sunshine days in October
Petrolia, CA

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).

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Average UV index in October
Petrolia, CA

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).

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Average cloud cover in October
Petrolia, CA

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).

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Average visibility in October
Petrolia, CA

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).

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Petrolia, California, USA

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