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 onset of October is marked by a decrease in temperature, transitioning from a moderately hot 78.6°F (25.9°C) in September to a comfortable 66.9°F (19.4°C). Throughout October, Saint Charles's nights cool down to an average of 51.3°F (10.7°C).Humidity
In Saint Charles, the average relative humidity in October is 77%.Rainfall
In October, the rain falls for 12 days. Throughout October, 2.64" (67mm) of precipitation is accumulated. In Saint Charles, during the entire year, the rain falls for 151.4 days and collects up to 29.33" (745mm) of precipitation.Snowfall
May through October are months without snowfall in Saint Charles.Daylight
The average length of the day in October is 11h and 11min.On the first day of the month, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of October, sunrise is at 7:34 am and sunset at 6:08 pm EDT.
Sunshine
The average sunshine in October is 5.5h.UV index
In Saint Charles, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In October, a daily maximum UV index of 4 leads to the following instructions:
Undertake precautions - Guarding against sun damage is counselled. It's recommended to limit sun exposure when its radiation is at its peak during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature?
What is the average humidity in October in Saint Charles?
How much does it rain in October?
When it does not snow?
Does it snow in October?
What is the average length of the day in October?
When are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
Average temperature in October
Saint Charles, MD
- Average high temperature in October: 66.9°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in October: 51.3°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in October
Saint Charles, MD
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in October
Saint Charles, MD
- Average wind speed in October: 6.7mph
The windiest months (with the highest average wind speed) are March and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in October
Saint Charles, MD
- Average humidity in October: 77%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March and April (73%).
Average rainfall in October
Saint Charles, MD
- Average rainfall in October: 2.64"
The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in October
Saint Charles, MD
- Average rainfall days in October: 12 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in October
Saint Charles, MD
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Saint Charles, MD
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (4.3 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
Saint Charles, MD
- 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: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).
Average sunshine days in October
Saint Charles, MD
- Average sunshine days in October: 17.4 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in October
Saint Charles, MD
- Average UV index in October: 4
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 and December (UV index 2).
Average cloud cover in October
Saint Charles, MD
- Average cloud cover in October: 39
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in October
Saint Charles, MD
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Saint Charles, Maryland, USA
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