Climate and monthly weather forecastGrimsby, Canada
Climate and monthly weather forecast
Weather in January
January, the same as December, in Grimsby, Canada, is a freezing cold winter month, with an average temperature ranging between min -7.3°C (18.9°F) and max -2.3°C (27.9°F). In Grimsby, Canada, January records the lowest average temperatures, peaking at -2.3°C (27.9°F) and reaching a low of -7.3°C (18.9°F). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Grimsby, Canada, with an average temperature varying between -7°C (19.4°F) and -1.4°C (29.5°F). As Grimsby welcomes February, the average high-temperature is noted at a still freezing cold -1.4°C (29.5°F), closely aligning with the preceding month. Weather in February »Weather in March
March, the first month of the spring in Grimsby, is an icy month, with an average temperature fluctuating between 3.8°C (38.8°F) and -2.6°C (27.3°F). An upsurge in temperatures occurs as February gives way to March, with average highs shifting from a freezing cold -1.4°C (29.5°F) to a wintry 3.8°C (38.8°F). Weather in March »Weather in April
April in Grimsby, Canada, is a cool spring month, with temperature in the range of an average high of 10°C (50°F) and an average low of 2.7°C (36.9°F). Grimsby experiences a temperature shift with the start of April, with average high-temperatures moving from an icy 3.8°C (38.8°F) in March to a fresh 10°C (50°F). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Grimsby, Canada, with an average temperature ranging between min 8.8°C (47.8°F) and max 17.2°C (63°F). Grimsby's May weather shows an increase in high-temperatures, moving from April's fresh 10°C (50°F) to an enjoyable 17.2°C (63°F). Weather in May »Weather in June
June, the first month of the summer in Grimsby, is an agreeable month, with an average temperature fluctuating between 21.8°C (71.2°F) and 13.6°C (56.5°F). Observing a slight rise in June, the average high-temperature shifts from May's comfortable 17.2°C (63°F) to a pleasant 21.8°C (71.2°F). Weather in June »Weather in July
July in Grimsby, Canada, is a moderately hot summer month, with an average temperature fluctuating between 17.3°C (63.1°F) and 25.4°C (77.7°F). July, marked by an average high-temperature of 25.4°C (77.7°F) and a low-temperature of 17.3°C (63.1°F), is the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Grimsby, Canada, with an average temperature ranging between max 24.7°C (76.5°F) and min 16.9°C (62.4°F). The commencement of August brings an average high-temperature of a still warm 24.7°C (76.5°F), marking an inconsequential divergence from July. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Grimsby, Canada, with an average temperature fluctuating between 13.7°C (56.7°F) and 21.4°C (70.5°F). Grimsby's progression into September involves a gentle drop in the average high-temperature, from a moderately hot 24.7°C (76.5°F) in August to an agreeable 21.4°C (70.5°F). Weather in September »Weather in October
October, like September, is a moderate autumn month in Grimsby, Canada, with temperature in the range of an average low of 7.8°C (46°F) and an average high of 14.1°C (57.4°F). October's arrival corresponds with a decrease in average high-temperatures, from September's pleasant 21.4°C (70.5°F) to a refreshing 14.1°C (57.4°F). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Grimsby, Canada, with an average temperature fluctuating between 7.1°C (44.8°F) and 1.8°C (35.2°F). In Grimsby, the average high-temperature in November drops from a refreshing 14.1°C (57.4°F) in October to a chilly 7.1°C (44.8°F). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Grimsby, Canada, with an average temperature fluctuating between -2.8°C (27°F) and 1.4°C (34.5°F). In December, the average high-temperature goes from a chilly 7.1°C (44.8°F) in November to an icy 1.4°C (34.5°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Grimsby, Canada
The warmest month (with the highest average high temperature) is July (25.4°C).
The month with the lowest average high temperature is January (-2.3°C).
The month with the highest average low temperature is July (17.3°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).
Average pressure
Grimsby, Canada
- Average pressure in January:
1017.4mbar - Average pressure in February:
1017.3mbar - Average pressure in March:
1018.5mbar - Average pressure in April:
1014.8mbar - Average pressure in May:
1015.4mbar - Average pressure in June:
1013.3mbar
- Average pressure in July:
1014.1mbar - Average pressure in August:
1014.7mbar - Average pressure in September:
1017.1mbar - Average pressure in October:
1015.6mbar - Average pressure in November:
1018.5mbar - Average pressure in December:
1017.6mbar
The months with the highest atmospheric pressure are March and November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).
Average wind speed
Grimsby, Canada
- Average wind speed in January:
19km/h - Average wind speed in February:
18.2km/h - Average wind speed in March:
16.8km/h - Average wind speed in April:
16.7km/h - Average wind speed in May:
13.2km/h - Average wind speed in June:
12.2km/h
- Average wind speed in July:
11.3km/h - Average wind speed in August:
11.9km/h - Average wind speed in September:
12.7km/h - Average wind speed in October:
16.2km/h - Average wind speed in November:
17.4km/h - Average wind speed in December:
17.9km/h
The windiest month (with the highest average wind speed) is January (19km/h).
The calmest month (with the lowest average wind speed) is July (11.3km/h).
Average humidity
Grimsby, Canada
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Grimsby, Canada
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is September (44mm).
Average rainfall days
Grimsby, Canada
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
19.2 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
14.1 days - Average rainfall days in October:
16.5 days - Average rainfall days in November:
13.1 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (9.3 days).
Average snowfall
Grimsby, Canada
The month with the highest snowfall is February (137mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days
Grimsby, Canada
- Average snowfall days in January:
14.8 days - Average snowfall days in February:
14.3 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
3.1 days - Average snowfall days in May:
0.3 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:
0.2 days - Average snowfall days in November:
5.2 days - Average snowfall days in December:
12.4 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grimsby, Canada
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h 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 0min).
- Average sunshine in January:
3h and 12min - Average sunshine in February:
3h and 30min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 36min - Average sunshine in May:
9h and 6min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 18min - Average sunshine in October:
4h and 54min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days
Grimsby, Canada
- Average sunshine days in January:
9.6 days - Average sunshine days in February:
9 days - Average sunshine days in March:
10.8 days - Average sunshine days in April:
10.2 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
12.1 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
10.5 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
12.1 days - Average sunshine days in November:
12.5 days - Average sunshine days in December:
9.9 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (9 days).
Average UV index
Grimsby, Canada
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Grimsby, Canada
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Grimsby, Canada
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (8km).








