October weather forecastGromore, WA
October
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 10h and 54min
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 6min
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: 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: 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: 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: 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).





