October weather forecast
Gromore, WA

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Weather in October

October, like September, is a moderate autumn month in Gromore, Washington, with an average temperature varying between 42.6°F (5.9°C) and 60.1°F (15.6°C).

Temperature

In Gromore, the average high-temperature in October significantly decreases from a moderately hot 74.8°F (23.8°C) in September to a moderate 60.1°F (15.6°C). Gromore records a consistent low-temperature of 42.6°F (5.9°C) during October nights.

Humidity

The average relative humidity in October is 60%.

Rainfall

In Gromore, in October, during 8 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, there are 82.2 rainfall days, and 5.43" (138mm) of precipitation is accumulated.

Snowfall

In Gromore, snow does not fall in April through August and October.

Daylight

In Gromore, the average length of the day in October is 10h and 53min.
On the first day of October in Gromore, sunrise is at 7:02 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:48 pm PDT.

Sunshine

In October, the average sunshine is 7.1h.

UV index

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 3 in October transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Gromore in October?

Gromore in October has an average high-temperature of 60.1°F (15.6°C) and an average low-temperature of 42.6°F (5.9°C).

What is the average humidity in October?

The average relative humidity in October is 60%.

How much does it rain in October?

In October, the rain falls for 8 days. Throughout October, 0.43" (11mm) of precipitation is accumulated.

When it does not snow?

In Gromore, Washington, snow does not fall in April through August and October.

Does it snow in October?

In October, it doesn't snow. September is the latest month when it typically snows.

How many hours of daylight does Gromore have in October?

In Gromore, the average day length in October is 10h and 53min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 7:02 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:48 pm PDT.

How many hours of sunshine does Gromore have in October?

The average sunshine duration in October is 7.1h.

How high is the UV index in October?

In Gromore, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Gromore, WA

Average temperature in October - Gromore, WA
  • Average high temperature in October: 60.1°F

The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (36.9°F).

  • Average low temperature in October: 42.6°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 (25.5°F).

Average pressure in October
Gromore, WA

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

Average wind speed in October
Gromore, WA

Average wind speed in October - Gromore, WA
  • Average wind speed in October: 5.3mph

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).

Average humidity in October
Gromore, WA

Average humidity in October - Gromore, WA
  • Average humidity in October: 60%

The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (39%).

Average rainfall in October
Gromore, WA

Average rainfall in October - Gromore, WA
  • Average rainfall in October: 0.43"

The wettest month (with the highest rainfall) is January (0.87").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days in October
Gromore, WA

Average rainfall days in October - Gromore, WA
  • Average rainfall days in October: 8 days

The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (2 days).

Average snowfall in October
Gromore, WA

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

The month with the highest snowfall is December (2.76").
The months with the least snowfall are April, May, June, July, August and October (0").

Average snowfall days in October
Gromore, WA

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

The month with the highest number of snowfall days is December (5.4 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in October: 7h and 1min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

Average sunshine days in October
Gromore, WA

Average sunshine days in October - Gromore, WA
  • Average sunshine days in October: 20 days

The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is February (15.8 days).

Average UV index in October
Gromore, WA

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

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

Average cloud cover in October
Gromore, WA

Average cloud cover in October - Gromore, WA
  • Average cloud cover in October: 23

The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).

Average visibility in October
Gromore, WA

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

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

Gromore, Washington, USA

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