Climate Insights for Leamington

Essex County, Ontario, Canada

Hottest
July
25°C peak
Coldest
February
-4°C low
Wettest
October
94mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Leamington is temperate. The average annual temperature is 10°C and approximately 958mm of precipitation falls per year. Leamington receives a notable amount of rainfall throughout the year, including during its driest month. Leamington is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, September. The coldest months are February, January, March, when temperatures can drop to -4°C. Snowfall occurs from January to December, with around 67cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 0° Average: -2° Min: -4° Feb Max: 1° Average: -2° Min: -4° Mar Max: 4° Average: 1° Min: 0° Apr Max: 8° Average: 6° Min: 5° May Max: 15° Average: 13° Min: 11° Jun Max: 22° Average: 19° Min: 18° Jul Max: 25° Average: 23° Min: 21° Aug Max: 25° Average: 23° Min: 21° Sep Max: 22° Average: 20° Min: 18° Oct Max: 16° Average: 14° Min: 12° Nov Max: 9° Average: 7° Min: 5° Dec Max: 4° Average: 2° Min: 1°
Max
Average
Min

Temperatures in Leamington vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 25°C and the mean temperature sits around 23°C. The coldest month is February, when overnight lows fall to -4°C and the daily average is -2°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 77mm Snow: 17mm Feb Precipitation: 67mm Snow: 19mm Mar Precipitation: 80mm Snow: 9mm Apr Precipitation: 94mm Snow: 4mm May Precipitation: 89mm Snow: 0mm Jun Precipitation: 81mm Snow: 0mm Jul Precipitation: 84mm Snow: 0mm Aug Precipitation: 67mm Snow: 0mm Sep Precipitation: 59mm Snow: 0mm Oct Precipitation: 94mm Snow: 0mm Nov Precipitation: 83mm Snow: 6mm Dec Precipitation: 83mm Snow: 13mm
Precipitation
Snow

Leamington is a moderately rainy area, receiving approximately 958mm of precipitation annually, which averages out to around 80mm per month. The wettest month is October, averaging 94mm of rainfall. April and May also tend to see above-average precipitation. The driest month is September, with just 59mm. That's 35mm 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 67cm accumulating over the season. February typically sees the most snow at around 19cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h 35km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 34km/h Feb Wind Speed: 34km/h Mar Wind Speed: 32km/h Apr Wind Speed: 31km/h May Wind Speed: 28km/h Jun Wind Speed: 27km/h Jul Wind Speed: 24km/h Aug Wind Speed: 24km/h Sep Wind Speed: 27km/h Oct Wind Speed: 33km/h Nov Wind Speed: 35km/h Dec Wind Speed: 35km/h
Wind Speed

Leamington is very windy, with an average annual wind speed of 30km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 35km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 24km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 11km/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 34km/h in winter, 30km/h in spring, 25km/h in summer, 32km/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 Leamington, which began on March 20, 2026. Leamington 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 25°C, while the coldest stretch bottoms out in February near -4°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

Spring

Temperatures range from 0 to 15°C. Precipitation is moderate at around 263mm for the season, averaging 88mm per month. Winds are strong, averaging 30km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 18 to 25°C. Precipitation is moderate at around 232mm for the season, averaging 77mm per month. Winds are strong, averaging 25km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 5 to 22°C. Precipitation is moderate at around 236mm for the season, averaging 79mm per month. Expect around 6cm of snow accumulation during this period. Winds are strong, averaging 32km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -4 to 4°C. Precipitation is moderate at around 227mm for the season, averaging 76mm per month. Expect around 49cm of snow accumulation during this period. Winds are strong, averaging 34km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -2°
Feb -2°
Mar
Apr
May 13°
Jun 19°
Jul 23°
Aug 23°
Sep 20°
Oct 14°
Nov
Dec

The best time to visit Leamington is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 73mm per month. By contrast, February can be quite cold with temperatures dropping to -4°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 Leamington 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
-4 °C
0 °C
34 km/h
77 mm
17 cm
Feb
-4 °C
1 °C
34 km/h
67 mm
19 cm
Mar Current
0 °C
4 °C
32 km/h
80 mm
9 cm
Apr
5 °C
8 °C
31 km/h
94 mm
4 cm
May
11 °C
15 °C
28 km/h
89 mm
0 cm
Jun
18 °C
22 °C
27 km/h
81 mm
0 cm
Jul
21 °C
25 °C
24 km/h
84 mm
0 cm
Aug
21 °C
25 °C
24 km/h
67 mm
0 cm
Sep
18 °C
22 °C
27 km/h
59 mm
0 cm
Oct
12 °C
16 °C
33 km/h
94 mm
0 cm
Nov
5 °C
9 °C
35 km/h
83 mm
6 cm
Dec
1 °C
4 °C
35 km/h
83 mm
13 cm
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Metric (°C, km/h)