October weather forecast
Bremerton, WA

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Weather in October

October sees Bremerton fully enveloped in the spirit of autumn. This month's weather comes with cooler temperatures, and it returns to ten or more rainy days. A blend of chill winds and colorful autumn leaves painting the cityscape greets locals and visitors. Between October and November, Bremerton's weather transitions gracefully, each day being a step closer to winter.

Temperature

The arrival of October indicates a decrease in the average high-temperature, moving from a pleasant 70°F (21.1°C) in September to a moderate 58.6°F (14.8°C). Bremerton reports a consistent average low-temperature of 45°F (7.2°C) throughout October nights.

Humidity

The average relative humidity in October in Bremerton is 81%.

Rainfall

In Bremerton, Washington, in October, it is raining for 11.8 days, with typically 1.1" (28mm) of accumulated precipitation. In Bremerton, during the entire year, the rain falls for 138.9 days and collects up to 12.24" (311mm) of precipitation.

Snowfall

In Bremerton, snow does not fall in April through October.

Ocean temperature

In Bremerton, the average seawater temperature in October is 50.9°F (10.5°C).
Note: Diving into 50.9°F (10.5°C) is practical below 50°F (10°C), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 55.4°F (13°C) feels ice-cold.

Daylight

In October, the average length of the day is 10h and 50min.
On the first day of the month, sunrise is at 7:10 am and sunset at 6:49 pm. On the last day of October, sunrise is at 7:54 am and sunset at 5:53 pm PDT.

Sunshine

In October, the average sunshine is 5.6h.

UV index

In October, the average daily maximum UV index in Bremerton is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 3 during October leads to these advisories:
Put precautions into practice - Guidance to elude sunburn is provided. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Bremerton in October?

The high-temperature in Bremerton, Washington, during October is 58.6°F (14.8°C) and the low-temperature is 45°F (7.2°C).

What is the average humidity in October in Bremerton?

The average relative humidity in October is 81%.

How much does it rain in Bremerton in October?

In Bremerton, in October, it is raining for 11.8 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow in Bremerton?

In Bremerton, snow does not fall in April through October.

Does it snow in Bremerton in October?

In Bremerton, Washington, in October, it doesn't snow. In November, it regularly snows.

How cold is the water in October in Bremerton?

In Bremerton, the average seawater temperature in October is 50.9°F (10.5°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Bremerton have in October?

In Bremerton, Washington, the average day length in October is 10h and 50min.

What time are sunrise and sunset in October in Bremerton?

On the first day of October, sunrise is at 7:10 am and sunset at 6:49 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:53 pm PDT.

How many hours of sunshine does Bremerton have in October?

The average sunshine duration in October in Bremerton is 5.6h.

What is the UV index reading in October in Bremerton?

In October, the average daily maximum UV index is 3. A UV Index reading 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
Bremerton, WA

Average temperature in October - Bremerton, WA
  • Average high temperature in October: 58.6°F

The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (43.2°F).

  • Average low temperature in October: 45°F

The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).

Average pressure in October
Bremerton, WA

Average pressure in October - Bremerton, WA
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

Average wind speed in October
Bremerton, WA

Average wind speed in October - Bremerton, WA
  • Average wind speed in October: 4.5mph

The windiest month (with the highest average wind speed) is March (5.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).

Average humidity in October
Bremerton, WA

Average humidity in October - Bremerton, WA
  • Average humidity in October: 81%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (69%).

Average rainfall in October
Bremerton, WA

Average rainfall in October - Bremerton, WA
  • Average rainfall in October: 1.1"

The wettest months (with the highest rainfall) are January and December (2.05").
The driest month (with the least rainfall) is July (0.28").

Average rainfall days in October
Bremerton, WA

Average rainfall days in October - Bremerton, WA
  • Average rainfall days in October: 11.8 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (5.4 days).

Average snowfall in October
Bremerton, WA

Average snowfall in October - Bremerton, WA
  • Average snowfall in October: 0"

The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in October
Bremerton, WA

Average snowfall days in October - Bremerton, WA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in October
Bremerton, WA

Average sea temperature in October - Bremerton, WA
  • Average sea temperature in October: 50.9°F

The best month for swimming (with the highest average sea temperature) is August (53.2°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).

Average daylight in October /
Average sunshine in October
Bremerton, WA

Average daylight in October / Average sunshine in October - Bremerton, WA
  • Average daylight in October: 10h and 5min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in October: 5h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

Average sunshine days in October
Bremerton, WA

Average sunshine days in October - Bremerton, WA
  • Average sunshine days in October: 16.6 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (11.8 days).

Average UV index in October
Bremerton, WA

Average UV index in October - Bremerton, WA
  • Average UV index in October: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in October
Bremerton, WA

Average cloud cover in October - Bremerton, WA
  • Average cloud cover in October: 42

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in October
Bremerton, WA

Average visibility in October - Bremerton, WA
  • Average visibility in October: 5mi

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

Bremerton, Washington, USA

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