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 beginning of October involves a decrease in the average high-temperature, transitioning from a moderately hot 78.8°F (26°C) in September to a comfortable 66.4°F (19.1°C). In Trenton, an average low-temperature of 49.1°F (9.5°C) is recorded during October nights.Humidity
October is the least humid month in Trenton, with an average relative humidity of 71%.Rainfall
In Trenton, Illinois, in October, it is raining for 10.5 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 151.1 rainfall days, and 30.43" (773mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Trenton. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 22.4 snowfall days, and 6.1" (155mm) of snow is accumulated.Daylight
The average length of the day in October in Trenton is 11h and 11min.On the first day of the month, sunrise is at 6:55 am and sunset at 6:41 pm. On the last day of October, in Trenton, Illinois, sunrise is at 7:25 am and sunset at 5:59 pm CDT.
Sunshine
In Trenton, the average sunshine in October is 6.3h.UV index
In Trenton, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in October leads to these recommendations:
Undertake precautions - Guarding against sun damage is counselled. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Enhance your sun protection with tightly woven, yet airy clothing. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What are October temperatures in Trenton?
What is the least humid month in Trenton?
What is the average humidity in October in Trenton?
How many days does it rain in October in Trenton?
When does it start snowing in Trenton?
How many hours of daylight does Trenton have in October?
When is the sunrise / sunset in October in Trenton?
How long on average sun shines in October in Trenton?
What is the UV index intensity in October in Trenton?
Average temperature in October
Trenton, IL
- Average high temperature in October: 66.4°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in October: 49.1°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in October
Trenton, IL
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Trenton, IL
- Average wind speed in October: 8mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in October
Trenton, IL
- Average humidity in October: 71%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Trenton, IL
- Average rainfall in October: 2.32"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in October
Trenton, IL
- Average rainfall days in October: 10.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8 days).
Average snowfall in October
Trenton, IL
- Average snowfall in October: 0.08"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Trenton, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (7.5 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
Trenton, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 6h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in October
Trenton, IL
- Average sunshine days in October: 18.8 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (11 days).
Average UV index in October
Trenton, IL
- Average UV index in October: 3
The months with the highest UV index are May, 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
Trenton, IL
- Average cloud cover in October: 32
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in October
Trenton, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Trenton, Illinois, USA
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