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 transition into October involves a decrease in the average high-temperature, falling from a moderately hot 75.9°F (24.4°C) in September to a refreshing 61.7°F (16.5°C). An average temperature of 45.9°F (7.7°C) is recorded during the nights in October.Humidity
The least humid month is October, with an average relative humidity of 71%.Rainfall
In Roseville, in October, it is raining for 11.9 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 149.4 rainfall days, and 30.16" (766mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.59" (15mm) of snow. In Roseville, during the entire year, snow falls for 36.7 days and aggregates up to 15.31" (389mm) of snow.Daylight
The average length of the day in October is 11h and 6min.On the first day of the month, sunrise is at 6:59 am and sunset at 6:44 pm. On the last day of October, sunrise is at 7:32 am and sunset at 5:59 pm CDT.
Sunshine
The average sunshine in October is 5.6h.UV index
The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In October, the average maximum UV index of 3 translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature?
What is the least humid month?
What is the average humidity in October?
How many days does it rain in October?
When does it start to snow?
How many hours of daylight does Roseville have in October?
What time are sunrise and sunset in October?
How many hours of sunshine does Roseville have in October?
What is the UV index intensity in October?
Average temperature in October
Roseville, IL
- Average high temperature in October: 61.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in October: 45.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in October
Roseville, IL
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in October
Roseville, IL
- Average wind speed in October: 9.5mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in October
Roseville, IL
- Average humidity in October: 71%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Roseville, IL
- Average rainfall in October: 2.6"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in October
Roseville, IL
- Average rainfall days in October: 11.9 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in October
Roseville, IL
- Average snowfall in October: 0.59"
The month with the highest snowfall is January (4.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Roseville, IL
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Roseville, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 5h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in October
Roseville, IL
- Average sunshine days in October: 17.6 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in October
Roseville, IL
- Average UV index in October: 3
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in October
Roseville, IL
- Average cloud cover in October: 37
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in October
Roseville, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Roseville, Illinois, USA
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