Climate Insights for Seaforth

Huron County, Ontario, Canada

Hottest
July
24°C peak
Coldest
February
-7°C low
Wettest
October
107mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Seaforth is cool. The average annual temperature is 9°C and approximately 1051mm of precipitation falls per year. Seaforth receives a notable amount of rainfall throughout the year, including during its driest month. Seaforth is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, January, March, when temperatures can drop to -7°C. Snowfall occurs from January to December, with around 142cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -1° Average: -4° Min: -6° Feb Max: 0° Average: -4° Min: -7° Mar Max: 4° Average: 0° Min: -3° Apr Max: 10° Average: 6° Min: 2° May Max: 17° Average: 12° Min: 9° Jun Max: 22° Average: 18° Min: 14° Jul Max: 24° Average: 21° Min: 17° Aug Max: 24° Average: 20° Min: 17° Sep Max: 21° Average: 17° Min: 14° Oct Max: 15° Average: 11° Min: 8° Nov Max: 8° Average: 5° Min: 2° Dec Max: 3° Average: 0° Min: -2°
Max
Average
Min

Temperatures in Seaforth vary considerably across the year, with a 31°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 24°C with a mean of 21°C. The coldest month is February, when overnight lows fall to -7°C and the daily average is -4°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between April and May, with a 7°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 86mm Snow: 37mm Feb Precipitation: 77mm Snow: 31mm Mar Precipitation: 83mm Snow: 18mm Apr Precipitation: 99mm Snow: 7mm May Precipitation: 73mm Snow: 1mm Jun Precipitation: 86mm Snow: 0mm Jul Precipitation: 82mm Snow: 0mm Aug Precipitation: 98mm Snow: 0mm Sep Precipitation: 77mm Snow: 0mm Oct Precipitation: 107mm Snow: 0mm Nov Precipitation: 89mm Snow: 16mm Dec Precipitation: 92mm Snow: 32mm
Precipitation
Snow

Seaforth is a moderately rainy area, receiving approximately 1051mm of precipitation annually, which averages out to around 88mm per month. The wettest month is October, averaging 107mm of rainfall. April and August also tend to see above-average precipitation. The driest month is May, with just 73mm. That's 34mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 142cm accumulating over the season. January typically sees the most snow at around 37cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 26km/h Feb Wind Speed: 27km/h Mar Wind Speed: 26km/h Apr Wind Speed: 25km/h May Wind Speed: 21km/h Jun Wind Speed: 20km/h Jul Wind Speed: 18km/h Aug Wind Speed: 19km/h Sep Wind Speed: 20km/h Oct Wind Speed: 25km/h Nov Wind Speed: 27km/h Dec Wind Speed: 27km/h
Wind Speed

Seaforth is moderately windy, with an average annual wind speed of 23km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 27km/h in winter, 24km/h in spring, 19km/h in summer, 24km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

88 days until Summer

It is currently spring in Seaforth, which began on March 20, 2026. Seaforth is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 24°C, while the coldest stretch bottoms out in February near -7°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

Spring

Temperatures range from -3 to 17°C. Precipitation is moderate at around 256mm for the season, averaging 85mm per month. Winds are moderate at around 24km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 14 to 24°C. Precipitation is moderate at around 266mm for the season, averaging 89mm per month. Winds are moderate at around 19km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 2 to 21°C. Precipitation is moderate at around 274mm for the season, averaging 91mm per month. Expect around 17cm of snow accumulation during this period. Winds are moderate at around 24km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -7 to 3°C. Precipitation is moderate at around 255mm for the season, averaging 85mm per month. Expect around 100cm of snow accumulation during this period. Winds are strong, averaging 27km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -4°
Feb -4°
Mar
Apr
May 12°
Jun 18°
Jul 21°
Aug 20°
Sep 17°
Oct 11°
Nov
Dec

The best time to visit Seaforth is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 86mm per month. By contrast, February can be quite cold with temperatures dropping to -7°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Seaforth based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-6 °C
-1 °C
26 km/h
86 mm
37 cm
Feb
-7 °C
0 °C
27 km/h
77 mm
31 cm
Mar Current
-3 °C
4 °C
26 km/h
83 mm
18 cm
Apr
2 °C
10 °C
25 km/h
99 mm
7 cm
May
9 °C
17 °C
21 km/h
73 mm
1 cm
Jun
14 °C
22 °C
20 km/h
86 mm
0 cm
Jul
17 °C
24 °C
18 km/h
82 mm
0 cm
Aug
17 °C
24 °C
19 km/h
98 mm
0 cm
Sep
14 °C
21 °C
20 km/h
77 mm
0 cm
Oct
8 °C
15 °C
25 km/h
107 mm
0 cm
Nov
2 °C
8 °C
27 km/h
89 mm
16 cm
Dec
-2 °C
3 °C
27 km/h
92 mm
32 cm
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Metric (°C, km/h)