Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
October indicates a shift in the average high-temperature, from September's agreeable 70.2°F (21.2°C) to a refreshing 58.6°F (14.8°C). Grand Mound records a steady low-temperature average of 42.1°F (5.6°C) during October.Humidity
The average relative humidity in October is 85%.Rainfall
In Grand Mound, Washington, during October, the rain falls for 14.9 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, there are 168 rainfall days, and 23.94" (608mm) of precipitation is accumulated.Snowfall
In Grand Mound, snow does not fall in April through October.Daylight
The average length of the day in October is 10h and 52min.On the first day of the month, sunrise is at 7:11 am and sunset at 6:50 pm. On the last day of October, in Grand Mound, sunrise is at 7:54 am and sunset at 5:57 pm PDT.
Sunshine
The average sunshine in October is 4.9h.UV index
In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In October, a regular UV index of 3 translates into these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the average humidity in October?
How much does it rain in October?
When it does not snow?
Does it snow in October?
How many hours of daylight does Grand Mound have in October?
What time are sunrise and sunset in October?
How long on average sun shines in October in Grand Mound?
How high is the UV index in October?
Average temperature in October
Grand Mound, WA
- Average high temperature in October: 58.6°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in October: 42.1°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in October
Grand Mound, 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 (30.02"Hg).
Average wind speed in October
Grand Mound, WA
- Average wind speed in October: 3.9mph
The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).
Average humidity in October
Grand Mound, WA
- Average humidity in October: 85%
The month with the highest relative humidity is November (90%).
The month with the lowest relative humidity is July (73%).
Average rainfall in October
Grand Mound, WA
- Average rainfall in October: 2.76"
The wettest month (with the highest rainfall) is January (3.86").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in October
Grand Mound, WA
- Average rainfall days in October: 14.9 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in October
Grand Mound, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Grand Mound, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Grand Mound, 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: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in October
Grand Mound, WA
- Average sunshine days in October: 14.3 days
The month with the most sunshine days is August (20.9 days).
The months with the least sunshine days are February and March (9.3 days).
Average UV index in October
Grand Mound, WA
- Average UV index in October: 3
The months with the highest UV index are June and 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
Grand Mound, WA
- Average cloud cover in October: 53
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in October
Grand Mound, WA
- Average visibility in October: 4mi
The month with the highest visibility is July (5mi).
The months with the lowest visibility are January, February, March, April, May, June, August, September, October, November and December (4mi).
Grand Mound, Washington, USA
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