October weather forecast
Oakland, CA

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Weather in October

As fall deepens in October, Oakland experiences lower temperatures when compared to September. The daylight hours shorten while the frequency of sunshine days remains fairly stable. Additionally, the sea temperatures exhibit a dip, signaling the calming of water-based activities. Nonetheless, the most intriguing factor this month is the minor increase in rainfall to 0.08" (2mm), warranting roughly one and a half days of precipitation. November follows, bringing moderately cooler days and a spike in rainfall.

Temperature

October in Oakland denotes a minimal variation in the average high-temperature to a pleasant 68.9°F (20.5°C) from September's 73.9°F (23.3°C). Throughout October, the temperature tends to fall to a consistent average low of 55°F (12.8°C).

Humidity

With an average relative humidity of 67%, October is the least humid month in Oakland.

Rainfall

In October, in Oakland, the rain falls for 1.5 days. Throughout October, 0.08" (2mm) of precipitation is accumulated. In Oakland, during the entire year, the rain falls for 44 days and collects up to 3.03" (77mm) of precipitation.

Ocean temperature

In Oakland, the average seawater temperature in October is 57°F (13.9°C).
Note: It is risky to swim in 57°F (13.9°C). Temperatures beneath 50°F (10°C) induce rapid cold shock and hyperventilation.

Daylight

The average length of the day in October is 11h and 12min.
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, sunrise is at 7:34 am and sunset at 6:11 pm PDT.

Sunshine

In October, the average sunshine is 7.1h.

UV index

In Oakland, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: During October, 4 as the daily maximum UV index converts into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Around midday, solar radiation is most harmful; hence, exposure should be limited. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What are October temperatures in Oakland?

October temperatures in Oakland vary between a high-temperature of 68.9°F (20.5°C) and a low-temperature of 55°F (12.8°C).

What is the least humid month in Oakland?

The least humid month in Oakland is October, with an average relative humidity of 67%.

What is the average humidity in October in Oakland?

In Oakland, the average relative humidity in October is 67%.

How much does it rain in Oakland in October?

In Oakland, in October, it is raining for 1.5 days, with typically 0.08" (2mm) of accumulated precipitation.

How cold is the water in October in Oakland?

In Oakland, the average seawater temperature in October is 57°F (13.9°C). Swimming in 57°F (13.9°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

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

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

What time are sunrise and sunset in October in Oakland?

In October, on the first day of the month, sunrise is at 7:05 am and sunset at 6:51 pm. On the last day of the month, in Oakland, California, sunrise is at 7:34 am and sunset at 6:11 pm PDT.

How many hours of sunshine does Oakland have in October?

In October, the average sunshine duration in Oakland is 7.1h.

How high is the UV index in October in Oakland?

The average daily maximum UV index in October in Oakland is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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
Oakland, CA

Average temperature in October - Oakland, CA
  • Average high temperature in October: 68.9°F

The warmest month (with the highest average high temperature) is September (73.9°F).
The month with the lowest average high temperature is December (55.8°F).

  • Average low temperature in October: 55°F

The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is January (45.7°F).

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Average pressure in October
Oakland, CA

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

The month with the highest atmospheric pressure is January (30.13"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
Oakland, CA

Average wind speed in October - Oakland, CA
  • Average wind speed in October: 5.5mph

The windiest month (with the highest average wind speed) is May (7.6mph).
The calmest months (with the lowest average wind speed) are October and November (5.5mph).

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Average humidity in October
Oakland, CA

Average humidity in October - Oakland, CA
  • Average humidity in October: 67%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in October
Oakland, CA

Average rainfall in October - Oakland, CA
  • Average rainfall in October: 0.08"

The wettest month (with the highest rainfall) is February (0.67").
The driest month (with the least rainfall) is July (0").

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Average rainfall days in October
Oakland, CA

Average rainfall days in October - Oakland, CA
  • Average rainfall days in October: 1.5 days

The month with the highest number of rainy days is March (8.5 days).
The months with the least rainy days are June and August (0.8 days).

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Average sea temperature in October
Oakland, CA

Average sea temperature in October - Oakland, CA
  • Average sea temperature in October: 56.9°F

The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).

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

Average daylight in October / Average sunshine in October - Oakland, 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: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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Average sunshine days in October
Oakland, CA

Average sunshine days in October - Oakland, CA
  • Average sunshine days in October: 28 days

The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is March (20.8 days).

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Average UV index in October
Oakland, CA

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

The months with the highest UV index are April, May, June, July, August and September (UV index 5).
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
Oakland, CA

Average cloud cover in October - Oakland, CA
  • Average cloud cover in October: 17

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 12).

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Average visibility in October
Oakland, CA

Average visibility in October - Oakland, 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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Oakland, California, USA

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