October weather forecast
Harrington, WA

Share

Weather in October

October, like September, is another refreshing autumn month in Harrington, Washington, with temperature in the range of an average high of 55.6°F (13.1°C) and an average low of 40.1°F (4.5°C).

Temperature

A decrease in the average high-temperature marks October, falling from September's pleasant 72.5°F (22.5°C) to a moderate 55.6°F (13.1°C). Harrington's average low-temperature is measured at an icy 40.1°F (4.5°C) during October.

Humidity

In October, the average relative humidity in Harrington is 64%.

Rainfall

In Harrington, in October, it is raining for 12 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 127.9 rainfall days, and 15.71" (399mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In October, in Harrington, it is snowing for 0.7 days. Throughout October, 0.16" (4mm) of snow is accumulated. Throughout the year, there are 65.1 snowfall days, and 37.36" (949mm) of snow is accumulated.

Daylight

In Harrington, the average length of the day in October is 10h and 50min.
On the first day of the month, sunrise is at 6:53 am and sunset at 6:31 pm. On the last day of October, in Harrington, sunrise is at 7:36 am and sunset at 5:36 pm PDT.

Sunshine

In October, the average sunshine in Harrington, Washington, is 6.5h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 2 during October translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures in Harrington?

During October, Harrington experiences an average high-temperature of 55.6°F (13.1°C) and a low-temperature of 40.1°F (4.5°C).

What is the average humidity in October in Harrington?

In October, the average relative humidity in Harrington, Washington, is 64%.

How many days does it rain in October in Harrington?

In Harrington, Washington, in October, it is raining for 12 days, with typically 1.5" (38mm) of accumulated precipitation.

How much does it snow in Harrington in October?

In Harrington, Washington, during October, snow falls for 0.7 days and regularly aggregates up to 0.16" (4mm) of snow.

How many hours of daylight does Harrington have in October?

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

When is the sunrise / sunset in October in Harrington?

On the first day of October, sunrise is at 6:53 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:36 pm PDT.

How many hours of sunshine does Harrington have in October?

In Harrington, Washington, the average sunshine duration in October is 6.5h.

What is the month with the lowest UV index in Harrington?

The months with the lowest UV index in Harrington are January through March, October through December, with an average maximum UV index of 2.

What is the UV index reading in October in Harrington?

In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Harrington, WA

Average temperature in October - Harrington, WA
  • Average high temperature in October: 55.6°F

The warmest months (with the highest average high temperature) are July and August (83.3°F).
The month with the lowest average high temperature is December (31.5°F).

  • Average low temperature in October: 40.1°F

The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).

Average pressure in October
Harrington, WA

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

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).

Average wind speed in October
Harrington, WA

Average wind speed in October - Harrington, WA
  • Average wind speed in October: 7.1mph

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in October
Harrington, WA

Average humidity in October - Harrington, WA
  • Average humidity in October: 64%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (37%).

Average rainfall in October
Harrington, WA

Average rainfall in October - Harrington, WA
  • Average rainfall in October: 1.5"

The wettest month (with the highest rainfall) is March (1.97").
The driest months (with the least rainfall) are July and August (0.31").

Average rainfall days in October
Harrington, WA

Average rainfall days in October - Harrington, WA
  • Average rainfall days in October: 12 days

The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (5.2 days).

Average snowfall in October
Harrington, WA

Average snowfall in October - Harrington, WA
  • Average snowfall in October: 0.16"

The month with the highest snowfall is January (10").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Harrington, WA

Average snowfall days in October - Harrington, WA
  • Average snowfall days in October: 0.7 days

The month with the highest number of snowfall days is December (15.9 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in October / Average sunshine in October - Harrington, 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: 6h and 3min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

Average sunshine days in October
Harrington, WA

Average sunshine days in October - Harrington, WA
  • Average sunshine days in October: 16.2 days

The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is March (10.2 days).

Average UV index in October
Harrington, WA

Average UV index in October - Harrington, WA
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in October
Harrington, WA

Average cloud cover in October - Harrington, WA
  • Average cloud cover in October: 34

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 12).

Average visibility in October
Harrington, WA

Average visibility in October - Harrington, WA
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Harrington, Washington, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location