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 sea temperature 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 move into October indicates a reduction in the average high-temperature, down from September's pleasant 21.5°C (70.7°F) to a mild 14.4°C (57.9°F). During the nights of October, Saint Catharines records an average low-temperature of 9.6°C (49.3°F), reflecting a modest decrease from daytime highs.Humidity
In October, the average relative humidity is 75%.Rainfall
In Saint Catharines, in October, during 18.9 rainfall days, 73mm (2.87") of precipitation is typically accumulated. In Saint Catharines, during the entire year, the rain falls for 177.2 days and collects up to 786mm (30.94") of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 1mm (0.04") of snow. In Saint Catharines, during the entire year, snow falls for 58.5 days and aggregates up to 403mm (15.87") of snow.Sea temperature
In October, the average sea temperature is 14.8°C (58.6°F).Note: While a brief time in 14.8°C (58.6°F) at 13°C (55.4°F) is already bracing, plunging below 10°C (50°F) can severely affect breathing and introduce a cold shock, relying on your physical state.
Daylight
In October, the average length of the day is 11h and 1min.On the first day of the month, sunrise is at 7:15 am and sunset at 6:57 pm. On the last day of October, sunrise is at 7:51 am and sunset at 6:09 pm EDT.
Sunshine
In Saint Catharines, the average sunshine in October is 4.7h.UV index
In Saint Catharines, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: During October, 3 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against sun damage is advised. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the temperature in October in Saint Catharines?
What is the average humidity in October in Saint Catharines?
How much does it rain in Saint Catharines in October?
When does it start snowing in Saint Catharines?
How cold is the water in October in Saint Catharines?
What is the average length of the day in October in Saint Catharines?
When are sunrise and sunset in October in Saint Catharines?
How many hours of sunshine does Saint Catharines have in October?
What is the UV index reading in October in Saint Catharines?
Average temperature in October
Saint Catharines, Canada
- Average high temperature in October: 14.4°C
The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in October: 9.6°C
The month with the highest average low temperature is July (18.6°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).
Average pressure in October
Saint Catharines, Canada
- Average pressure in October: 1015.7mbar
The month with the highest atmospheric pressure is November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).
Average wind speed in October
Saint Catharines, Canada
- Average wind speed in October: 17.9km/h
The windiest month (with the highest average wind speed) is January (21km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity in October
Saint Catharines, Canada
- Average humidity in October: 75%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is September (74%).
Average rainfall in October
Saint Catharines, Canada
- Average rainfall in October: 73mm
The wettest month (with the highest rainfall) is July (80mm).
The driest months (with the least rainfall) are September and November (55mm).
Average rainfall days in October
Saint Catharines, Canada
- Average rainfall days in October: 18.9 days
The month with the highest number of rainy days is October (18.9 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in October
Saint Catharines, Canada
- Average snowfall in October: 1mm
The month with the highest snowfall is February (127mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in October
Saint Catharines, Canada
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in October
Saint Catharines, Canada
- Average sea temperature in October: 14.8°C
The best month for swimming (with the highest average sea temperature) is August (23.2°C).
The coldest month (with the lowest average sea temperature) is February (1.7°C).
Average daylight in October /
Average sunshine in October
Saint Catharines, Canada
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in October: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in October
Saint Catharines, Canada
- Average sunshine days in October: 10.3 days
The month with the most sunshine days is September (13 days).
The month with the least sunshine days is January (7.5 days).
Average UV index in October
Saint Catharines, Canada
- Average UV index in October: 3
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Saint Catharines, Canada
- Average cloud cover in October: 47
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in October
Saint Catharines, Canada
- Average visibility in October: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).
Saint Catharines, Canada
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