October weather forecast
Diablo, CA

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Weather in October

October, the same as September, is another warm autumn month in Diablo, California, with an average temperature varying between 74.3°F (23.5°C) and 53.8°F (12.1°C).

Temperature

Start of October brings a slight shift in the average high-temperature, dipping a bit from September's 82°F (27.8°C) to a still warm 74.3°F (23.5°C). In the month of October, Diablo's average low-temperature falls to a fresh 53.8°F (12.1°C).

Humidity

In October, the average relative humidity in Diablo, California, is 58%.

Rainfall

In Diablo, during October, the rain falls for 4.1 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Diablo, during the entire year, the rain falls for 65.6 days and collects up to 11.22" (285mm) of precipitation.

Daylight

In October, the average length of the day in Diablo is 11h and 12min.
On the first day of October in Diablo, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 6:09 pm PDT.

Sunshine

In October, the average sunshine is 7h.

UV index

In Diablo, California, the average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 4 in October translates into the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What are October temperatures in Diablo?

The high-temperature in Diablo, California, during October is 74.3°F (23.5°C) and the low-temperature is 53.8°F (12.1°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 84.2°F (29°C).

What is the average humidity in October in Diablo?

In Diablo, the average relative humidity in October is 58%.

How many days does it rain in October in Diablo?

In Diablo, in October, it is raining for 4.1 days, with typically 0.55" (14mm) of accumulated precipitation.

How many hours of daylight does Diablo have in October?

In October, the average day length in Diablo, California, is 11h and 12min.

When are sunrise and sunset in October in Diablo?

On the first day of October in Diablo, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 6:09 pm PDT.

How long on average sun shines in October in Diablo?

The average sunshine duration in October is 7h.

What is the UV index intensity in October in Diablo?

The average daily maximum UV index in October in Diablo is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Diablo, CA

Average temperature in October - Diablo, CA
  • Average high temperature in October: 74.3°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (55.8°F).

  • Average low temperature in October: 53.8°F

The months with the highest average low temperature are August and September (56.7°F).
The coldest month (with the lowest average low temperature) is January (42.1°F).

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Average pressure in October
Diablo, CA

Average pressure in October - Diablo, CA
  • Average pressure in October: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in October
Diablo, CA

Average wind speed in October - Diablo, CA
  • Average wind speed in October: 4.7mph

The windiest month (with the highest average wind speed) is May (6.9mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).

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Average humidity in October
Diablo, CA

Average humidity in October - Diablo, CA
  • Average humidity in October: 58%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (57%).

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Average rainfall in October
Diablo, CA

Average rainfall in October - Diablo, CA
  • Average rainfall in October: 0.55"

The wettest month (with the highest rainfall) is February (2.36").
The driest months (with the least rainfall) are July and August (0").

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Average rainfall days in October
Diablo, CA

Average rainfall days in October - Diablo, CA
  • Average rainfall days in October: 4.1 days

The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.6 days).

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

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in October: 7h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in October
Diablo, CA

Average sunshine days in October - Diablo, CA
  • Average sunshine days in October: 25.9 days

The month with the most sunshine days is July (30.2 days).
The month with the least sunshine days is March (17.6 days).

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Average UV index in October
Diablo, CA

Average UV index in October - Diablo, CA
  • Average UV index in October: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in October
Diablo, CA

Average cloud cover in October - Diablo, CA
  • Average cloud cover in October: 16

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 6).

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Average visibility in October
Diablo, CA

Average visibility in October - Diablo, 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).

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Diablo, California, USA

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