October weather forecast
Bellingham, WA

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Scenic landscape of hills and the sea in this small town in Bellingham, Washington
Scenic landscape of hills and the sea in this small town in Bellingham, Washington

Weather in October

October marks a period of transition from the mild weather of September to the typical cool and damp conditions characteristic of late fall in Bellingham. Substantial rainfall, significant temperature drops, and increased cloud coverage attribute a distinct fall feel to the city's weather. The decrease in sunlight hours is counterbalanced by the vibrant Fall foliage, creating an exquisite view under the overcast sky. Winds pick pace, and temperatures variate between a high of 56.3°F (13.5°C) and a low of 45.3°F (7.4°C), while rainfall hits a yearly high of 1.97" (50mm). It is advisable to keep umbrellas and warm attire handy for the increasingly unpredictable weather.

Temperature

A moderate decline in average high-temperatures is noted in Bellingham in October, moving from a comfortable 65.1°F (18.4°C) in September to a still refreshing 56.3°F (13.5°C). In the month of October, Bellingham's average low-temperature falls to a chilly 45.3°F (7.4°C).

Humidity

In Bellingham, the average relative humidity in October is 81%.

Rainfall

In Bellingham, Washington, in October, it is raining for 14.3 days, with typically 1.97" (50mm) of accumulated precipitation. In Bellingham, during the entire year, the rain falls for 158 days and collects up to 18.7" (475mm) of precipitation.

Snowfall

May through October are months without snowfall in Bellingham.

Ocean temperature

In Bellingham, in October, the average water temperature is 50.4°F (10.2°C).
Note: It is risky to swim in 50.4°F (10.2°C). Temperatures beneath 50°F (10°C) induce rapid cold shock and hyperventilation.

Daylight

The average length of the day in October is 10h and 47min.
On the first day of the month, sunrise is at 7:10 am and sunset at 6:47 pm. On the last day of October, sunrise is at 7:56 am and sunset at 5:50 pm PDT.

Sunshine

The average sunshine in October in Bellingham is 5.3h.

UV index

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, the maximum UV index of 3 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

What is the temperature in October in Bellingham?

Bellingham in October has an average high-temperature of 56.3°F (13.5°C) and an average low-temperature of 45.3°F (7.4°C).

What is the average humidity in October in Bellingham?

The average relative humidity in October in Bellingham, Washington, is 81%.

How many days does it rain in October in Bellingham?

In Bellingham, in October, during 14.3 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow in Bellingham?

May through October are months without snowfall in Bellingham.

Does it snow in Bellingham in October?

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

How cold is the water in October in Bellingham?

In October, the average ocean temperature in Bellingham is 50.4°F (10.2°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.

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

In October, the average day length is 10h and 47min.

What time are sunrise and sunset in October in Bellingham?

On the first day of October, sunrise is at 7:10 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:50 pm PDT.

How many hours of sunshine does Bellingham have in October?

The average sunshine duration in October in Bellingham is 5.3h.

What is the UV index reading in October in Bellingham?

The average daily maximum UV index in October in Bellingham, Washington, is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's 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
Bellingham, WA

Average temperature in October - Bellingham, WA
  • Average high temperature in October: 56.3°F

The warmest months (with the highest average high temperature) are July and August (70.3°F).
The month with the lowest average high temperature is December (41.9°F).

  • Average low temperature in October: 45.3°F

The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).

Average pressure in October
Bellingham, WA

Average pressure in October - Bellingham, WA
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).

Average wind speed in October
Bellingham, WA

Average wind speed in October - Bellingham, WA
  • Average wind speed in October: 5mph

The windiest month (with the highest average wind speed) is November (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in October
Bellingham, WA

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

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is July (74%).

Average rainfall in October
Bellingham, WA

Average rainfall in October - Bellingham, WA
  • Average rainfall in October: 1.97"

The wettest month (with the highest rainfall) is November (2.64").
The driest month (with the least rainfall) is July (0.55").

Average rainfall days in October
Bellingham, WA

Average rainfall days in October - Bellingham, WA
  • Average rainfall days in October: 14.3 days

The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (7.1 days).

Average snowfall in October
Bellingham, WA

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

The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Bellingham, WA

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

The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in October
Bellingham, WA

Average sea temperature in October - Bellingham, WA
  • Average sea temperature in October: 50.4°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 (44.5°F).

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

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

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in October: 5h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).

Average sunshine days in October
Bellingham, WA

Average sunshine days in October - Bellingham, WA
  • Average sunshine days in October: 15.1 days

The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is April (10.8 days).

Average UV index in October
Bellingham, WA

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

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in October
Bellingham, WA

Average cloud cover in October - Bellingham, WA
  • Average cloud cover in October: 43

The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in October
Bellingham, WA

Average visibility in October - Bellingham, WA
  • 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).

Bellingham, Washington, USA

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