October weather forecast
Sunol, CA

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Weather in October

October, like September, in Sunol, California, is a moderately hot autumn month, with an average temperature varying between 52.5°F (11.4°C) and 74.1°F (23.4°C).

Temperature

October signifies a minor drop in average high-temperature, transitioning from a moderately hot 82°F (27.8°C) in September to a still warm 74.1°F (23.4°C). Throughout October nights, Sunol experiences a consistent temperature average of 52.5°F (11.4°C).

Humidity

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

Rainfall

In Sunol, in October, during 4.5 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Sunol, during the entire year, the rain falls for 70.2 days and collects up to 10.98" (279mm) of precipitation.

Daylight

The average length of the day in October is 11h and 13min.
On the first day of October, sunrise is at 7:03 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 6:09 pm PDT.

Sunshine

In October, the average sunshine in Sunol is 7.2h.

UV index

In Sunol, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In October, the maximum UV index of 4 transforms into these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

What is the usual temperature for Sunol in October?

In October, the average high-temperature and low-temperature are 74.1°F (23.4°C) and 52.5°F (11.4°C) respectively. In September, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is estimated at 84.2°F (29°C).

What is the average humidity in October in Sunol?

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

How many days does it rain in October in Sunol?

In October, in Sunol, the rain falls for 4.5 days. Throughout October, 0.55" (14mm) of precipitation is accumulated.

How many hours of daylight does Sunol have in October?

The average day length in October in Sunol, California, is 11h and 13min.

When are sunrise and sunset in October in Sunol?

In October, on the first day of the month, sunrise is at 7:03 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 6:09 pm PDT.

How long on average sun shines in October in Sunol?

In October, the average sunshine duration is 7.2h.

How high is the UV index in October in Sunol?

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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Sunol, CA

Average temperature in October - Sunol, CA
  • Average high temperature in October: 74.1°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in October: 52.5°F

The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

Average pressure in October
Sunol, CA

Average pressure in October - Sunol, 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).

Average wind speed in October
Sunol, CA

Average wind speed in October - Sunol, CA
  • Average wind speed in October: 4.4mph

The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).

Average humidity in October
Sunol, CA

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

The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (56%).

Average rainfall in October
Sunol, CA

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

The wettest month (with the highest rainfall) is February (2.05").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in October
Sunol, CA

Average rainfall days in October - Sunol, CA
  • Average rainfall days in October: 4.5 days

The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (0.9 days).

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

Average daylight in October / Average sunshine in October - Sunol, 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 1min

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 0min).

Average sunshine days in October
Sunol, CA

Average sunshine days in October - Sunol, CA
  • Average sunshine days in October: 25.4 days

The month with the most sunshine days is August (29 days).
The month with the least sunshine days is March (17.6 days).

Average UV index in October
Sunol, CA

Average UV index in October - Sunol, 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).

Average cloud cover in October
Sunol, CA

Average cloud cover in October - Sunol, CA
  • Average cloud cover in October: 15

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).

Average visibility in October
Sunol, CA

Average visibility in October - Sunol, 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).

Sunol, California, USA

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