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
October
Weather in October
Temperature
October ushers in a slight temperature change, with average high-temperatures reducing from September's pleasant 20.6°C (69.1°F) to a cool 12.9°C (55.2°F). In Châteauguay, October's nights observe an average temperature dip to a wintry 5.9°C (42.6°F).Humidity
In October, the average relative humidity in Châteauguay, Canada, is 79%.Rainfall
In Châteauguay, Canada, in October, it is raining for 14.7 days, with typically 73mm (2.87") of accumulated precipitation. Throughout the year, there are 153.6 rainfall days, and 759mm (29.88") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 1mm (0.04") of snow. In Châteauguay, during the entire year, snow falls for 65.7 days and aggregates up to 843mm (33.19") of snow.Daylight
In October, the average length of the day is 10h and 56min.On the first day of October, sunrise is at 6:54 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:43 pm EDT.
Sunshine
In Châteauguay, Canada, the average sunshine in October is 5.3h.UV index
In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 during October translates into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Châteauguay in October?
What is the average humidity in October in Châteauguay?
How many days does it rain in October in Châteauguay?
When does it start snowing in Châteauguay?
What is the average length of the day in October in Châteauguay?
When are sunrise and sunset in October in Châteauguay?
How many hours of sunshine does Châteauguay have in October?
What is the UV index reading in October in Châteauguay?
Average temperature in October
Châteauguay, Canada
- Average high temperature in October: 12.9°C
The warmest month (with the highest average high temperature) is July (25.3°C).
The month with the lowest average high temperature is January (-5.6°C).
- Average low temperature in October: 5.9°C
The month with the highest average low temperature is July (15.9°C).
The coldest month (with the lowest average low temperature) is January (-12.7°C).
Average pressure in October
Châteauguay, Canada
- Average pressure in October: 1015.6mbar
The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1012.5mbar).
Average wind speed in October
Châteauguay, Canada
- Average wind speed in October: 13.1km/h
The windiest months (with the highest average wind speed) are February and April (14.5km/h).
The calmest month (with the lowest average wind speed) is July (10.8km/h).
Average humidity in October
Châteauguay, Canada
- Average humidity in October: 79%
The months with the highest relative humidity are January and February (90%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in October
Châteauguay, Canada
- Average rainfall in October: 73mm
The wettest month (with the highest rainfall) is May (77mm).
The driest months (with the least rainfall) are February and September (51mm).
Average rainfall days in October
Châteauguay, Canada
- Average rainfall days in October: 14.7 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in October
Châteauguay, Canada
- Average snowfall in October: 1mm
The month with the highest snowfall is February (219mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in October
Châteauguay, Canada
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Châteauguay, Canada
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in October: 5h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in October
Châteauguay, Canada
- Average sunshine days in October: 14 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in October
Châteauguay, Canada
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in October
Châteauguay, Canada
- Average cloud cover in October: 48
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in October
Châteauguay, Canada
- Average visibility in October: 9km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is January (7km).
