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 decrease in the average high-temperature, transitioning from a warm 75.6°F (24.2°C) in September to an enjoyable 61.5°F (16.4°C). Throughout October, an average low-temperature of 45.7°F (7.6°C) is experienced.Humidity
With an average relative humidity of 72%, October is the least humid month.Rainfall
In Henderson, in October, during 8.8 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Henderson, Illinois, during the entire year, the rain falls for 109.9 days and collects up to 11.14" (283mm) of precipitation.Snowfall
Months with snowfall in Henderson are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.28" (7mm) of snow. In Henderson, Illinois, during the entire year, snow falls for 28 days and aggregates up to 4.53" (115mm) of snow.Daylight
In October, the average length of the day is 11h and 5min.On the first day of the month, sunrise is at 6:58 am and sunset at 6:42 pm. On the last day of October, sunrise is at 7:32 am and sunset at 5:58 pm CDT.
Sunshine
In October, the average sunshine in Henderson is 5.6h.UV index
In Henderson, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 3 during October translates into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. To protect against the Sun's most potent rays, avoid direct exposure around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the temperature in October in Henderson?
What is the least humid month in Henderson?
What is the average humidity in October in Henderson?
How much does it rain in Henderson in October?
When does it start to snow in Henderson?
What is the average length of the day in October in Henderson?
When are sunrise and sunset in October in Henderson?
How many hours of sunshine does Henderson have in October?
What is the UV index intensity in October in Henderson?
Average temperature in October
Henderson, IL
- Average high temperature in October: 61.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in October: 45.7°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 (17.4°F).
Average pressure in October
Henderson, 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 (29.91"Hg).
Average wind speed in October
Henderson, IL
- Average wind speed in October: 9.5mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in October
Henderson, IL
- Average humidity in October: 72%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Henderson, IL
- Average rainfall in October: 0.98"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are January and December (0.47").
Average rainfall days in October
Henderson, IL
- Average rainfall days in October: 8.8 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in October
Henderson, IL
- Average snowfall in October: 0.28"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Henderson, IL
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is January (8.8 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
Henderson, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
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 0min).
Average sunshine days in October
Henderson, IL
- Average sunshine days in October: 19.9 days
The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in October
Henderson, 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 December (UV index 1).
Average cloud cover in October
Henderson, IL
- Average cloud cover in October: 38
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in October
Henderson, 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).
Henderson, Illinois, USA
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