Climate and monthly weather forecastSummerside, Canada
Climate and monthly weather forecast
Weather in January
January, the same as December, in Summerside, Canada, is a freezing cold winter month, with an average temperature ranging between max -3.3°C (26.1°F) and min -8.8°C (16.2°F). January and February are identified as the coldest months, with an average high-temperature of -3.3°C (26.1°F). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Summerside, Canada, with an average temperature varying between -9.3°C (15.3°F) and -3.3°C (26.1°F). Summerside's lowest temperatures tend to occur in January and February, with an average high-temperature of -3.3°C (26.1°F). Weather in February »Weather in March
March, the first month of the spring in Summerside, is also a subzero cold month, with an average temperature fluctuating between -5.7°C (21.7°F) and -0.6°C (30.9°F). March commences with an average high-temperature of a still subzero cold -0.6°C (30.9°F), showing little deviation from February's -3.3°C (26.1°F). Weather in March »Weather in April
April in Summerside, Canada, is a cold spring month, with an average temperature varying between 0.3°C (32.5°F) and 5.7°C (42.3°F). With the beginning of April, Summerside's average high-temperature sees an increase, transitioning from a freezing cold -0.6°C (30.9°F) in March to a wintry 5.7°C (42.3°F). Weather in April »Weather in May
The last month of the spring, May, is a cool month in Summerside, Canada, with temperature in the range of an average low of 5.5°C (41.9°F) and an average high of 11.8°C (53.2°F). May brings an increase in the average high-temperature, progressing from an icy 5.7°C (42.3°F) in April to a fresh 11.8°C (53.2°F). Weather in May »Weather in June
June, the first month of the summer in Summerside, is an enjoyable month, with an average temperature ranging between min 10.3°C (50.5°F) and max 17.1°C (62.8°F). As May transitions into June, Summerside sees a rise in the average high-temperature, moving from a fresh 11.8°C (53.2°F) to a comfortable 17.1°C (62.8°F). Weather in June »Weather in July
July is a pleasant summer month in Summerside, Canada, with an average temperature fluctuating between 15.2°C (59.4°F) and 22.2°C (72°F). Summerside's transition into July sees a rise in the average high-temperature, advancing from an enjoyable 17.1°C (62.8°F) in June to an agreeable 22.2°C (72°F). Weather in July »Weather in August
August, the last month of the summer in Summerside, is also an agreeable month, with an average temperature fluctuating between 16°C (60.8°F) and 22.8°C (73°F). In Summerside, the average temperatures in August are the highest, with a peak at 22.8°C (73°F) and a low of 16°C (60.8°F). Weather in August »Weather in September
September, the first month of the autumn in Summerside, is also an enjoyable month, with an average temperature varying between 12.6°C (54.7°F) and 18.5°C (65.3°F). The onset of September brings a small shift in high-temperatures, falling from a pleasant 22.8°C (73°F) in August to an enjoyable 18.5°C (65.3°F). Weather in September »Weather in October
October, like September, in Summerside, Canada, is another fresh autumn month, with temperature in the range of an average low of 7.4°C (45.3°F) and an average high of 12.1°C (53.8°F). October comes with a drop in the average high-temperature, falling from September's refreshing 18.5°C (65.3°F) to a fresh 12.1°C (53.8°F). Weather in October »Weather in November
November, the last month of the autumn in Summerside, is another chilly month, with temperature in the range of an average low of 1.8°C (35.2°F) and an average high of 6.1°C (43°F). The move into November indicates a reduction in the average high-temperature, down from October's cool 12.1°C (53.8°F) to a chilly 6.1°C (43°F). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Summerside, Canada, with an average temperature fluctuating between -3.7°C (25.3°F) and 0.5°C (32.9°F). December's onset brings a reduction in the average high-temperature, from a chilly 6.1°C (43°F) in November to an icy 0.5°C (32.9°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Summerside, Canada
The warmest month (with the highest average high temperature) is August (22.8°C).
The months with the lowest average high temperature are January and February (-3.3°C).
The month with the highest average low temperature is August (16°C).
The coldest month (with the lowest average low temperature) is February (-9.3°C).
Average pressure
Summerside, Canada
- Average pressure in January:
1012mbar - Average pressure in February:
1012.1mbar - Average pressure in March:
1014.6mbar - Average pressure in April:
1013.6mbar - Average pressure in May:
1015.3mbar - Average pressure in June:
1012.5mbar
- Average pressure in July:
1012.7mbar - Average pressure in August:
1013.6mbar - Average pressure in September:
1016.2mbar - Average pressure in October:
1014.8mbar - Average pressure in November:
1015.2mbar - Average pressure in December:
1014mbar
The month with the highest atmospheric pressure is September (1016.2mbar).
The month with the lowest atmospheric pressure is January (1012mbar).
Average wind speed
Summerside, Canada
- Average wind speed in January:
19.9km/h - Average wind speed in February:
18.1km/h - Average wind speed in March:
18.2km/h - Average wind speed in April:
17.3km/h - Average wind speed in May:
16km/h - Average wind speed in June:
15km/h
- Average wind speed in July:
14.4km/h - Average wind speed in August:
14.6km/h - Average wind speed in September:
16.5km/h - Average wind speed in October:
18.1km/h - Average wind speed in November:
19.7km/h - Average wind speed in December:
20.2km/h
The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest month (with the lowest average wind speed) is July (14.4km/h).
Average humidity
Summerside, Canada
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July, August, September and October (77%).
Average rainfall
Summerside, Canada
The wettest month (with the highest rainfall) is December (86mm).
The driest month (with the least rainfall) is July (53mm).
Average rainfall days
Summerside, Canada
- Average rainfall days in January:
8.2 days - Average rainfall days in February:
6 days - Average rainfall days in March:
10.4 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
15.7 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
13.9 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (6 days).
Average snowfall
Summerside, Canada
The month with the highest snowfall is February (195mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Summerside, Canada
- Average snowfall days in January:
18.9 days - Average snowfall days in February:
17.4 days - Average snowfall days in March:
16.6 days - Average snowfall days in April:
6.7 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:
0.3 days - Average snowfall days in November:
6.7 days - Average snowfall days in December:
14.5 days
The month with the highest number of snowfall days is January (18.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Summerside, Canada
The best month for swimming (with the highest average sea temperature) is August (18.2°C).
The coldest months (with the lowest average sea temperature) are February and March (-1.1°C).
Average daylight / Average sunshine
Summerside, Canada
- Average daylight in January:
9h and 6min - Average daylight in February:
10h and 24min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 42min
- Average daylight in July:
15h and 24min - 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 24min - Average daylight in December:
8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
2h and 42min - Average sunshine in February:
2h and 54min - Average sunshine in March:
3h and 54min - Average sunshine in April:
6h and 6min - Average sunshine in May:
7h and 12min - Average sunshine in June:
8h and 0min
- Average sunshine in July:
9h and 6min - Average sunshine in August:
9h and 6min - Average sunshine in September:
7h and 54min - Average sunshine in October:
4h and 30min - Average sunshine in November:
3h and 36min - Average sunshine in December:
2h and 42min
The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The months with the least sunshine are January and December (Average sunshine: 2h and 42min).
Average sunshine days
Summerside, Canada
- Average sunshine days in January:
8 days - Average sunshine days in February:
7.3 days - Average sunshine days in March:
8.3 days - Average sunshine days in April:
9.8 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
13.8 days - Average sunshine days in November:
11.2 days - Average sunshine days in December:
8.2 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (7.3 days).
Average UV index
Summerside, Canada
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February, March and December (UV index 1).
Average cloud cover
Summerside, Canada
The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility
Summerside, Canada
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is February (7km).





