October weather forecastAnnapolis, IL
October
Weather in October
October, like September, in Annapolis, Illinois, is another comfortable autumn month, with an average temperature varying between 48.6°F (9.2°C) and 65.5°F (18.6°C).Temperature
In October, the average high-temperature goes from a moderately hot 77.9°F (25.5°C) in September to an enjoyable 65.5°F (18.6°C). Throughout October, Annapolis anticipates an average low-temperature of 48.6°F (9.2°C).Humidity
October is the least humid month in Annapolis, with an average relative humidity of 71%.Rainfall
In Annapolis, in October, during 10.5 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Annapolis, during the entire year, the rain falls for 147.2 days and collects up to 27.87" (708mm) of precipitation.Snowfall
In Annapolis, snow does not fall in May through October.Daylight
In October, the average length of the day in Annapolis is 11h and 10min.On the first day of the month, sunrise is at 6:47 am and sunset at 6:33 pm. On the last day of October, in Annapolis, sunrise is at 7:18 am and sunset at 5:51 pm CDT.
Sunshine
The average sunshine in October is 6.5h.UV index
In October, the average daily maximum UV index in Annapolis is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 3 in October leads to these guidelines:
Exercise prevention - Warding off sunburn is urged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Annapolis, IL
- Average high temperature in October: 65.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in October: 48.6°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in October
Annapolis, IL
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Annapolis, IL
- Average wind speed in October: 8.6mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in October
Annapolis, IL
- Average humidity in October: 71%
The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Annapolis, IL
- Average rainfall in October: 1.97"
The wettest month (with the highest rainfall) is April (4.13").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in October
Annapolis, IL
- Average rainfall days in October: 10.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in October
Annapolis, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Annapolis, IL
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Annapolis, IL
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 6h and 30min
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 12min).
Average sunshine days in October
Annapolis, IL
- Average sunshine days in October: 18.7 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in October
Annapolis, 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
Annapolis, IL
- Average cloud cover in October: 35
The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in October
Annapolis, 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).
