Climate and monthly weather forecastSaint-Charles-sur-Richelieu, Canada
Climate and monthly weather forecast
Weather in January
January, the same as December, in Saint-Charles-sur-Richelieu, Canada, is a freezing cold winter month, with an average temperature fluctuating between -13.1°C (8.4°F) and -5.9°C (21.4°F). January, with average temperatures reaching a high of -5.9°C (21.4°F) and a low of -13.1°C (8.4°F), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Saint-Charles-sur-Richelieu, is also a subzero cold month, with an average temperature varying between -12.1°C (10.2°F) and -4.3°C (24.3°F). The advent of February reveals an average high-temperature of a still subzero cold -4.3°C (24.3°F), showing minimal difference from the prior month. Weather in February »Weather in March
March, the first month of the spring in Saint-Charles-sur-Richelieu, is a wintry month, with temperature in the range of an average high of 1.1°C (34°F) and an average low of -6.4°C (20.5°F). March shows a rise in the average high-temperature, moving from February's subzero cold -4.3°C (24.3°F) to a cold 1.1°C (34°F). Weather in March »Weather in April
April is a frosty spring month in Saint-Charles-sur-Richelieu, Canada, with an average temperature ranging between max 9.5°C (49.1°F) and min 1.1°C (34°F). With the onset of April, Saint-Charles-sur-Richelieu's average high-temperature witnesses a clear rise, advancing from March's cold 1.1°C (34°F) to a frosty 9.5°C (49.1°F). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Saint-Charles-sur-Richelieu, Canada, with an average temperature fluctuating between 7.6°C (45.7°F) and 17.9°C (64.2°F). May witnesses a clear temperature increase, soaring from a chilly 9.5°C (49.1°F) in April to an enjoyable 17.9°C (64.2°F). Weather in May »Weather in June
June, the first month of the summer in Saint-Charles-sur-Richelieu, is a pleasant month, with temperature in the range of an average high of 21.8°C (71.2°F) and an average low of 11.8°C (53.2°F). Observing a slight rise in June, the average high-temperature shifts from May's enjoyable 17.9°C (64.2°F) to a pleasant 21.8°C (71.2°F). Weather in June »Weather in July
July in Saint-Charles-sur-Richelieu, Canada, is a moderately hot summer month, with an average temperature ranging between min 15°C (59°F) and max 25.2°C (77.4°F). July, with average temperatures reaching a high of 25.2°C (77.4°F) and a low of 15°C (59°F), is the warmest month. Weather in July »Weather in August
The last month of the summer, August, is another warm month in Saint-Charles-sur-Richelieu, Canada, with an average temperature fluctuating between 14.2°C (57.6°F) and 24.2°C (75.6°F). As July transitions into August, the average high-temperature rests at a still moderately hot 24.2°C (75.6°F), maintaining a close resemblance to the previous month. Weather in August »Weather in September
September, the first month of the autumn in Saint-Charles-sur-Richelieu, is still a pleasant month, with an average temperature ranging between max 20.1°C (68.2°F) and min 10.2°C (50.4°F). September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a moderately hot 24.2°C (75.6°F) in August to an agreeable 20.1°C (68.2°F). Weather in September »Weather in October
October, like September, in Saint-Charles-sur-Richelieu, Canada, is another fresh autumn month, with an average temperature fluctuating between 12.6°C (54.7°F) and 5°C (41°F). A shift in Saint-Charles-sur-Richelieu's weather is observed as September turns into October, with the average high temperature reducing from a pleasant 20.1°C (68.2°F) to a fresh 12.6°C (54.7°F). Weather in October »Weather in November
The last month of the autumn, November, is another cold month in Saint-Charles-sur-Richelieu, Canada, with an average temperature ranging between min -1.5°C (29.3°F) and max 4.7°C (40.5°F). Setting in of November comes with a decrease in the average high-temperature, moving from a fresh 12.6°C (54.7°F) in October to an icy 4.7°C (40.5°F). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Saint-Charles-sur-Richelieu, Canada, with an average temperature fluctuating between -7.8°C (18°F) and -2.5°C (27.5°F). The beginning of December marks a decrease in the average high-temperature, transitioning from an icy 4.7°C (40.5°F) in November to a freezing cold -2.5°C (27.5°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Saint-Charles-sur-Richelieu, Canada
The warmest month (with the highest average high temperature) is July (25.2°C).
The month with the lowest average high temperature is January (-5.9°C).
The month with the highest average low temperature is July (15°C).
The coldest month (with the lowest average low temperature) is January (-13.1°C).
Average pressure
Saint-Charles-sur-Richelieu, Canada
- Average pressure in January:
1016.2mbar - Average pressure in February:
1015.9mbar - Average pressure in March:
1017.5mbar - Average pressure in April:
1014.2mbar - Average pressure in May:
1014.8mbar - Average pressure in June:
1012.4mbar
- Average pressure in July:
1013.1mbar - Average pressure in August:
1014.1mbar - Average pressure in September:
1017.1mbar - Average pressure in October:
1015.5mbar - Average pressure in November:
1017.7mbar - Average pressure in December:
1017.2mbar
The month with the highest atmospheric pressure is November (1017.7mbar).
The month with the lowest atmospheric pressure is June (1012.4mbar).
Average wind speed
Saint-Charles-sur-Richelieu, Canada
- Average wind speed in January:
12.4km/h - Average wind speed in February:
12.5km/h - Average wind speed in March:
12.5km/h - Average wind speed in April:
13.3km/h - Average wind speed in May:
11.9km/h - Average wind speed in June:
10.8km/h
- Average wind speed in July:
10.4km/h - Average wind speed in August:
10.3km/h - Average wind speed in September:
10.6km/h - Average wind speed in October:
12km/h - Average wind speed in November:
12.1km/h - Average wind speed in December:
11.7km/h
The windiest month (with the highest average wind speed) is April (13.3km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity
Saint-Charles-sur-Richelieu, Canada
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (75%).
Average rainfall
Saint-Charles-sur-Richelieu, Canada
The wettest months (with the highest rainfall) are May and August (82mm).
The driest month (with the least rainfall) is September (54mm).
Average rainfall days
Saint-Charles-sur-Richelieu, Canada
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
17.2 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
18.1 days
- Average rainfall days in July:
18.4 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
15.5 days - Average rainfall days in November:
11.6 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is January (5.6 days).
Average snowfall
Saint-Charles-sur-Richelieu, Canada
The month with the highest snowfall is February (298mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Saint-Charles-sur-Richelieu, Canada
- Average snowfall days in January:
18.8 days - Average snowfall days in February:
19.4 days - Average snowfall days in March:
15.2 days - Average snowfall days in April:
5.7 days - Average snowfall days in May:
0.4 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1 days - Average snowfall days in November:
6.1 days - Average snowfall days in December:
15 days
The month with the highest number of snowfall days is February (19.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Saint-Charles-sur-Richelieu, Canada
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
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 January:
2h and 54min - Average sunshine in February:
2h and 36min - Average sunshine in March:
4h and 30min - Average sunshine in April:
6h and 42min - Average sunshine in May:
8h and 18min - Average sunshine in June:
8h and 48min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 30min - Average sunshine in October:
5h and 12min - Average sunshine in November:
4h and 30min - Average sunshine in December:
3h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days
Saint-Charles-sur-Richelieu, Canada
- Average sunshine days in January:
10.2 days - Average sunshine days in February:
7.3 days - Average sunshine days in March:
9.9 days - Average sunshine days in April:
9.7 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
10 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
14.2 days - Average sunshine days in December:
11.3 days
The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is February (7.3 days).
Average UV index
Saint-Charles-sur-Richelieu, Canada
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Saint-Charles-sur-Richelieu, Canada
The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
Saint-Charles-sur-Richelieu, Canada
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March and December (7km).





