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 comes with a reduction in the average high-temperature, receding from a warm 74.5°F (23.6°C) in September to an enjoyable 61.7°F (16.5°C). An average low-temperature of 45.5°F (7.5°C) marks the nights throughout October.Humidity
The least humid month is October, with an average relative humidity of 73%.Rainfall
In Serena, in October, during 8.1 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Serena, during the entire year, the rain falls for 97.4 days and collects up to 8.07" (205mm) of precipitation.Snowfall
Months with snowfall in Serena 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 0.16" (4mm) of snow. In Serena, during the entire year, snow falls for 26.1 days and aggregates up to 3.54" (90mm) of snow.Daylight
In October, the average length of the day in Serena is 11h and 5min.On the first day of October in Serena, Illinois, sunrise is at 6:52 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:50 pm CDT.
Sunshine
In Serena, the average sunshine in October is 5.7h.UV index
The average daily maximum UV index in October in Serena is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 3 in October interprets into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What are the temperatures in Serena in October?
What is the least humid month in Serena?
What is the average humidity in October in Serena?
How much does it rain in Serena in October?
When does it start snowing in Serena?
How many hours of daylight does Serena have in October?
When is the sunrise / sunset in October in Serena?
How many hours of sunshine does Serena have in October?
What is the UV index intensity in October in Serena?
Average temperature in October
Serena, IL
- Average high temperature in October: 61.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in October: 45.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in October
Serena, IL
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Serena, IL
- Average wind speed in October: 8.8mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in October
Serena, IL
- Average humidity in October: 73%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in October
Serena, IL
- Average rainfall in October: 0.75"
The wettest month (with the highest rainfall) is May (1.14").
The driest month (with the least rainfall) is November (0.35").
Average rainfall days in October
Serena, IL
- Average rainfall days in October: 8.1 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (3 days).
Average snowfall in October
Serena, IL
- Average snowfall in October: 0.16"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Serena, IL
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Serena, 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 12min).
- Average sunshine in October: 5h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in October
Serena, IL
- Average sunshine days in October: 20.6 days
The month with the most sunshine days is December (23 days).
The month with the least sunshine days is May (14.7 days).
Average UV index in October
Serena, IL
- Average UV index in October: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Serena, IL
- Average cloud cover in October: 41
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in October
Serena, 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).
Serena, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
