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
Onset of October comes with a temperature decline, the average high falling from a warm 76.6°F (24.8°C) in September to a refreshing 63.7°F (17.6°C). During October, the nighttime temperature in Hartsburg averages of 47.3°F (8.5°C).Humidity
The least humid month is October, with an average relative humidity of 70%.Rainfall
In Hartsburg, in October, during 10.4 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Hartsburg, during the entire year, the rain falls for 135 days and collects up to 20.28" (515mm) of precipitation.Snowfall
May through October are months without snowfall in Hartsburg.Daylight
In October, the average length of the day is 11h and 7min.On the first day of the month, sunrise is at 6:54 am and sunset at 6:39 pm. On the last day of October, in Hartsburg, sunrise is at 7:26 am and sunset at 5:55 pm CDT.
Sunshine
In October, the average sunshine is 6h.UV index
The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 during October leads to these advisories:
Guard yourself - Avoiding sunburn is suggested. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Hartsburg in October?
What is the least humid month in Hartsburg?
What is the average humidity in October in Hartsburg?
How many days does it rain in October in Hartsburg?
When it does not snow in Hartsburg?
Does it snow in Hartsburg in October?
How many hours of daylight does Hartsburg have in October?
What time are sunrise and sunset in October in Hartsburg?
How many hours of sunshine does Hartsburg have in October?
What is the UV index intensity in October in Hartsburg?
Average temperature in October
Hartsburg, IL
- Average high temperature in October: 63.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in October: 47.3°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in October
Hartsburg, IL
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Hartsburg, IL
- Average wind speed in October: 9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in October
Hartsburg, IL
- Average humidity in October: 70%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
Hartsburg, IL
- Average rainfall in October: 1.57"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in October
Hartsburg, IL
- Average rainfall days in October: 10.4 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in October
Hartsburg, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Hartsburg, IL
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (8.2 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
Hartsburg, 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 24min).
- Average sunshine in October: 6h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in October
Hartsburg, IL
- Average sunshine days in October: 19 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in October
Hartsburg, IL
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Hartsburg, IL
- Average cloud cover in October: 36
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in October
Hartsburg, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Hartsburg, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location