Climate Insights for Summerland

Regional District of Okanagan-Similkameen, British Columbia, Canada

Hottest
August
24°C peak
Coldest
February
-6°C low
Wettest
November
93mm rain
Best to Visit
July, August
Mild temps & low rain

Climate Overview

The climate in Summerland is cool. The average annual temperature is 6°C and approximately 686mm of precipitation falls per year. November is the wettest month, receiving around 93mm of rainfall. Summerland is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, January, December, when temperatures can drop to -6°C. Summerland experiences heavy snowfall, typically from January through December.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 0° Average: -3° Min: -6° Feb Max: 1° Average: -3° Min: -6° Mar Max: 6° Average: 1° Min: -3° Apr Max: 10° Average: 5° Min: 1° May Max: 16° Average: 10° Min: 5° Jun Max: 20° Average: 13° Min: 8° Jul Max: 24° Average: 17° Min: 11° Aug Max: 24° Average: 18° Min: 12° Sep Max: 18° Average: 13° Min: 9° Oct Max: 11° Average: 7° Min: 4° Nov Max: 3° Average: 1° Min: -1° Dec Max: -1° Average: -3° Min: -5°
Max
Average
Min

Temperatures in Summerland vary considerably across the year, with a 30°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 24°C with a mean of 18°C. The coldest month is February, when overnight lows fall to -6°C and the daily average is -3°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 6°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: 73mm Snow: 47mm Feb Precipitation: 53mm Snow: 30mm Mar Precipitation: 55mm Snow: 22mm Apr Precipitation: 48mm Snow: 12mm May Precipitation: 50mm Snow: 2mm Jun Precipitation: 52mm Snow: 1mm Jul Precipitation: 27mm Snow: 0mm Aug Precipitation: 23mm Snow: 0mm Sep Precipitation: 48mm Snow: 1mm Oct Precipitation: 76mm Snow: 10mm Nov Precipitation: 93mm Snow: 33mm Dec Precipitation: 87mm Snow: 52mm
Precipitation
Snow

Summerland is a relatively dry area, receiving approximately 686mm of precipitation annually, which averages out to around 57mm per month. The wettest month is November, averaging 93mm of rainfall. December and October also tend to see above-average precipitation. The driest month is August, with just 23mm. That's 70mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Summerland receives heavy snowfall, accumulating around 210cm annually from January through December. The snowiest month is December, with approximately 52cm. Winter travel should account for significant snow cover.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 8km/h Feb Wind Speed: 10km/h Mar Wind Speed: 10km/h Apr Wind Speed: 12km/h May Wind Speed: 11km/h Jun Wind Speed: 11km/h Jul Wind Speed: 11km/h Aug Wind Speed: 10km/h Sep Wind Speed: 10km/h Oct Wind Speed: 10km/h Nov Wind Speed: 9km/h Dec Wind Speed: 9km/h
Wind Speed

Summerland is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months.

Seasons

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

88 days until Summer

It is currently spring in Summerland, which began on March 20, 2026. Summerland 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 August at around 24°C, while the coldest stretch bottoms out in February near -6°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

Spring

Temperatures range from -3 to 16°C. Precipitation is moderate at around 153mm for the season, averaging 51mm per month. Winds are generally light, averaging 11km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 8 to 24°C. Rainfall is relatively light, with around 102mm over the season and a monthly average of 34mm. Winds are generally light, averaging 11km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -1 to 18°C. Precipitation is moderate at around 217mm for the season, averaging 72mm per month. Expect around 45cm of snow accumulation during this period. Winds are generally light, averaging 10km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -6 to 1°C. Precipitation is moderate at around 213mm for the season, averaging 71mm per month. Expect around 129cm of snow accumulation during this period. Winds are generally light, averaging 9km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -3°
Feb -3°
Mar
Apr
May 10°
Jun 13°
Jul 17°
Aug 18°
Sep 13°
Oct
Nov
Dec -3°

The best time to visit Summerland is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 25mm per month. By contrast, February can be quite cold with temperatures dropping to -6°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Summerland 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
0 °C
8 km/h
73 mm
47 cm
Feb
-6 °C
1 °C
10 km/h
53 mm
30 cm
Mar Current
-3 °C
6 °C
10 km/h
55 mm
22 cm
Apr
1 °C
10 °C
12 km/h
48 mm
12 cm
May
5 °C
16 °C
11 km/h
50 mm
2 cm
Jun
8 °C
20 °C
11 km/h
52 mm
1 cm
Jul
11 °C
24 °C
11 km/h
27 mm
0 cm
Aug
12 °C
24 °C
10 km/h
23 mm
0 cm
Sep
9 °C
18 °C
10 km/h
48 mm
1 cm
Oct
4 °C
11 °C
10 km/h
76 mm
10 cm
Nov
-1 °C
3 °C
9 km/h
93 mm
33 cm
Dec
-5 °C
-1 °C
9 km/h
87 mm
52 cm
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Metric (°C, km/h)