Climate Insights for Kingston/Norman Rogers Airport

Frontenac County, Ontario, Canada

Hottest
July
26°C peak
Coldest
January
-8°C low
Wettest
October
125mm rain
Best to Visit
September
Mild temps & low rain

Climate Overview

The climate in Kingston/Norman Rogers Airport is cool. The average annual temperature is 9°C and approximately 1101mm of precipitation falls per year. Kingston/Norman Rogers Airport receives a notable amount of rainfall throughout the year, including during its driest month. Kingston/Norman Rogers Airport 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 January, February, March, when temperatures can drop to -8°C. Snowfall occurs from January to December, with around 114cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -2° Average: -5° Min: -8° Feb Max: -1° Average: -5° Min: -8° Mar Max: 4° Average: 0° Min: -3° Apr Max: 10° Average: 6° Min: 3° May Max: 18° Average: 14° Min: 10° Jun Max: 22° Average: 19° Min: 15° Jul Max: 26° Average: 22° Min: 19° Aug Max: 25° Average: 21° Min: 18° Sep Max: 21° Average: 18° Min: 15° Oct Max: 14° Average: 11° Min: 8° Nov Max: 8° Average: 5° Min: 2° Dec Max: 2° Average: -1° Min: -3°
Max
Average
Min

Temperatures in Kingston/Norman Rogers Airport vary considerably across the year, with a 34°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 22°C. The coldest month is January, when overnight lows fall to -8°C and the daily average is -5°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: 77mm Snow: 30mm Feb Precipitation: 75mm Snow: 30mm Mar Precipitation: 77mm Snow: 16mm Apr Precipitation: 112mm Snow: 7mm May Precipitation: 78mm Snow: 0mm Jun Precipitation: 101mm Snow: 0mm Jul Precipitation: 103mm Snow: 0mm Aug Precipitation: 106mm Snow: 0mm Sep Precipitation: 73mm Snow: 0mm Oct Precipitation: 125mm Snow: 1mm Nov Precipitation: 81mm Snow: 9mm Dec Precipitation: 94mm Snow: 22mm
Precipitation
Snow

Kingston/Norman Rogers Airport is a moderately rainy area, receiving approximately 1101mm of precipitation annually, which averages out to around 92mm per month. The wettest month is October, averaging 125mm of rainfall. April and August also tend to see above-average precipitation. The driest month is September, with just 73mm. That's 52mm 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 114cm accumulating over the season. January typically sees the most snow at around 30cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 20km/h Feb Wind Speed: 22km/h Mar Wind Speed: 20km/h Apr Wind Speed: 20km/h May Wind Speed: 17km/h Jun Wind Speed: 17km/h Jul Wind Speed: 16km/h Aug Wind Speed: 16km/h Sep Wind Speed: 16km/h Oct Wind Speed: 20km/h Nov Wind Speed: 21km/h Dec Wind Speed: 20km/h
Wind Speed

Kingston/Norman Rogers Airport is mildly breezy, with an average annual wind speed of 19km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h 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 21km/h in winter, 19km/h in spring, 16km/h in summer, 19km/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 Kingston/Norman Rogers Airport, which began on March 20, 2026. Kingston/Norman Rogers Airport 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 26°C, while the coldest stretch bottoms out in January near -8°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

Spring

Temperatures range from -3 to 18°C. Precipitation is moderate at around 267mm for the season, averaging 89mm per month. Winds are moderate at around 19km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 15 to 26°C. Rainfall is heavy, totalling around 309mm across the season with a monthly average of 103mm. Winds are moderate at around 16km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 2 to 21°C. Precipitation is moderate at around 279mm for the season, averaging 93mm per month. Expect around 9cm of snow accumulation during this period. Winds are moderate at around 19km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -8 to 2°C. Precipitation is moderate at around 246mm for the season, averaging 82mm per month. Expect around 82cm of snow accumulation during this period. Winds are moderate at around 21km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -5°
Feb -5°
Mar
Apr
May 14°
Jun 19°
Jul 22°
Aug 21°
Sep 18°
Oct 11°
Nov
Dec -1°

The best time to visit Kingston/Norman Rogers Airport is during September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 73mm per month. By contrast, July can be uncomfortably hot with highs reaching 26°C, while January is the coldest period with lows dropping to -8°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 Kingston/Norman Rogers Airport 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
-8 °C
-2 °C
20 km/h
77 mm
30 cm
Feb
-8 °C
-1 °C
22 km/h
75 mm
30 cm
Mar Current
-3 °C
4 °C
20 km/h
77 mm
16 cm
Apr
3 °C
10 °C
20 km/h
112 mm
7 cm
May
10 °C
18 °C
17 km/h
78 mm
0 cm
Jun
15 °C
22 °C
17 km/h
101 mm
0 cm
Jul
19 °C
26 °C
16 km/h
103 mm
0 cm
Aug
18 °C
25 °C
16 km/h
106 mm
0 cm
Sep
15 °C
21 °C
16 km/h
73 mm
0 cm
Oct
8 °C
14 °C
20 km/h
125 mm
1 cm
Nov
2 °C
8 °C
21 km/h
81 mm
9 cm
Dec
-3 °C
2 °C
20 km/h
94 mm
22 cm
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