October weather forecast
O'Brien, CA

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Weather in October

October, like September, is an agreeable autumn month in O'Brien, California, with an average temperature varying between 46.8°F and 71.4°F.

Temperature

O'Brien's progression into October involves a drop in the average high-temperature, receding from a warm 84°F in September to a pleasant 71.4°F. The nighttime temperature shows a significant divergence from the daytime highs, averaging at a frosty 46.8°F in October.

Humidity

The average relative humidity in October is 50%.

Rainfall

In O'Brien, in October, it is raining for 5.3 days, with typically 1.3" of accumulated precipitation. Throughout the year, in O'Brien, there are 102.3 rainfall days, and 24.21" of precipitation is accumulated.

Snowfall

In O'Brien, snow does not fall in April through October.

Daylight

In O'Brien, the average length of the day in October is 11h and 6min.
On the first day of the month, sunrise is at 7:05 am and sunset at 6:51 pm. On the last day of October, in O'Brien, sunrise is at 7:38 am and sunset at 6:07 pm PDT.

Sunshine

In October, the average sunshine is 7.2h.

UV index

The average daily maximum UV index in October in O'Brien is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: An average UV index of 4 in October transforms into this advice:
Heed the precautions - It is counselled to guard against solar damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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FAQ

What is the average October temperature in O'Brien?

In O'Brien, in October, the average high-temperature is 71.4°F, and the average low-temperature is 46.8°F. In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 84.2°F.

What is the average humidity in October in O'Brien?

In O'Brien, the average relative humidity in October is 50%.

How much does it rain in O'Brien in October?

In O'Brien, California, during October, the rain falls for 5.3 days and regularly aggregates up to 1.3" of precipitation.

When it does not snow in O'Brien?

April through October are months without snowfall.

Does it snow in O'Brien in October?

In O'Brien, in October, it doesn't snow. In November, it regularly snows.

What is the average length of the day in October in O'Brien?

In October, the average day length is 11h and 6min.

When are sunrise and sunset in October in O'Brien?

On the first day of October in O'Brien, California, sunrise is at 7:05 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 6:07 pm PDT.

How many hours of sunshine does O'Brien have in October?

In October, the average sunshine duration is 7.2h.

How high is the UV index in October in O'Brien?

The average daily maximum UV index in October in O'Brien, California, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
O'Brien, CA

Average temperature in October - O
  • Average high temperature in October: 71.4°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (47.8°F).

  • Average low temperature in October: 46.8°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).

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Average pressure in October
O'Brien, CA

Average pressure in October - O
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).

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Average wind speed in October
O'Brien, CA

Average wind speed in October - O
  • Average wind speed in October: 5.3mph

The windiest months (with the highest average wind speed) are March and October (5.3mph).
The calmest months (with the lowest average wind speed) are August and November (4.5mph).

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Average humidity in October
O'Brien, CA

Average humidity in October - O
  • Average humidity in October: 50%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is August (37%).

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Average rainfall in October
O'Brien, CA

Average rainfall in October - O
  • Average rainfall in October: 1.3"

The wettest month (with the highest rainfall) is March (4.8").
The driest month (with the least rainfall) is July (0.12").

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Average rainfall days in October
O'Brien, CA

Average rainfall days in October - O
  • Average rainfall days in October: 5.3 days

The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.7 days).

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Average snowfall in October
O'Brien, CA

Average snowfall in October - O
  • Average snowfall in October: 0"

The month with the highest snowfall is November (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in October
O'Brien, CA

Average snowfall days in October - O
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in October /
Average sunshine in October
O'Brien, CA

Average daylight in October / Average sunshine in October - O
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in October: 7h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in October
O'Brien, CA

Average sunshine days in October - O
  • Average sunshine days in October: 24.5 days

The month with the most sunshine days is August (27.1 days).
The month with the least sunshine days is March (11.8 days).

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Average UV index in October
O'Brien, CA

Average UV index in October - O
  • Average UV index in October: 4

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).

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Average cloud cover in October
O'Brien, CA

Average cloud cover in October - O
  • Average cloud cover in October: 17

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in October
O'Brien, CA

Average visibility in October - O
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).

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O'Brien, California, USA

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