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
The start of October signals a considerable reduction in the average high-temperature, receding from a pleasant 71.6°F (22°C) in September to a refreshing 55.9°F (13.3°C). An average low-temperature of 39.7°F (4.3°C) is noted during the nights in October in Rock Island, Washington.Humidity
In Rock Island, the average relative humidity in October is 65%.Rainfall
In Rock Island, in October, during 11.1 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 111.7 rainfall days, and 10.71" (272mm) of precipitation is accumulated.Snowfall
In Rock Island, snow does not fall in May through August and October.Daylight
In October, the average length of the day in Rock Island is 10h and 50min.On the first day of the month, sunrise is at 7:00 am and sunset at 6:39 pm. On the last day of October, in Rock Island, sunrise is at 7:43 am and sunset at 5:44 pm PDT.
Sunshine
In Rock Island, the average sunshine in October is 6.6h.UV index
The average daily maximum UV index in October in Rock Island is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 3 in October translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the temperature in October in Rock Island?
What is the average humidity in October in Rock Island?
How much does it rain in Rock Island in October?
When it does not snow in Rock Island?
Does it snow in Rock Island in October?
How many hours of daylight does Rock Island have in October?
What time are sunrise and sunset in October in Rock Island?
How long on average sun shines in October in Rock Island?
What is the UV index reading in October in Rock Island?
Average temperature in October
Rock Island, WA
- Average high temperature in October: 55.9°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in October: 39.7°F
The month with the highest average low temperature is August (56.3°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in October
Rock Island, WA
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in October
Rock Island, WA
- Average wind speed in October: 4.7mph
The windiest month (with the highest average wind speed) is June (6.5mph).
The calmest month (with the lowest average wind speed) is December (3.7mph).
Average humidity in October
Rock Island, WA
- Average humidity in October: 65%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are July and August (44%).
Average rainfall in October
Rock Island, WA
- Average rainfall in October: 0.98"
The wettest months (with the highest rainfall) are January and December (1.57").
The driest months (with the least rainfall) are July and August (0.24").
Average rainfall days in October
Rock Island, WA
- Average rainfall days in October: 11.1 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in October
Rock Island, WA
- Average snowfall in October: 0"
The month with the highest snowfall is December (5.98").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in October
Rock Island, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is December (9.5 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
Rock Island, 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 4min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in October
Rock Island, WA
- Average sunshine days in October: 18.5 days
The month with the most sunshine days is July (25.5 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in October
Rock Island, WA
- Average UV index in October: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Rock Island, WA
- Average cloud cover in October: 29
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in October
Rock Island, 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 months with the lowest visibility are January and December (4mi).
Rock Island, Washington, USA
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