2018 Long Range Weather Forecast for Penticton, BC


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How to Read Long-Range Weather Forecasts

Long-range predictions show weather trends in temperatures and precipitation. For example, will the winter be colder or warmer than average? Will there be more or less snow than what's typical for your area?  Our famous predictions (traditionally 80% accurate) are made 18 months in advance, and meant to help you make more informed decisions for long-term planning.

Here on Almanac.com, we provide free long-range forecasts for the next 30 to 60 days covering U.S. and Canadian regions. Find all 12 months of predictions in the annual Old Farmer's Almanac.

Free 2-Month Weather Forecast

NOVEMBER 2017: temperature 4°C (1° below avg.); precipitation 120mm (30mm below avg.); Nov 1-4: Rainy periods, mild; Nov 5-11: Sunny, cool; Nov 12-15: Showers, mild; Nov 16-19: Rainy periods, mild; Nov 20-25: Snow showers north, showers south; Nov 26-30: Flurries, cold.

DECEMBER 2017: temperature -1°C (5° below avg.); precipitation 190mm (10mm below avg. east, 70mm above west); Dec 1-9: Snow showers, very cold; Dec 10-15: Rain, some heavy, coast; showers inland; mild; Dec 16-21: Heavy rain coast, rain and snow showers inland; mild; Dec 22-25: Rain showers coast, snow showers inland; Dec 26-31: Snow, then flurries, very cold.

Annual Weather Summary: November 2017 to October 2018

Winter will be slightly warmer than normal, with below-normal precipitation and snowfall. The coldest periods will be in early and late December, early and late January, and mid-February, with the snowiest periods in early and late December. April and May will have above-normal temperatures, with near- to below-normal precipitation. Summer will be slightly cooler and drier than normal, with the hottest periods in early to mid-June, mid- to late July, and early August. September and October will be rainier than normal, with near-normal temperatures.

Map showing Old Farmer's Almanac long range weather region number 5

About the Southern British Columbia Region

The Southern British Columbia long range weather region includes all or part of the following provinces: BRITISH COLUMBIA (Abbotsford, Campbell River, Chilliwack, Courtenay, Cranbrook, Duncan, Kamloops, Kelowna, Nanaimo, Parksville, Penticton, Port Alberni, Powell River, Prince George, Quesnel, Salmon Arm, Squamish, Vancouver, Vernon, Victoria, White Rock, Williams Lake).

Southern British Columbia Neighboring Regions

Here are the regions that neighbor the Southern British Columbia long range weather region:

Temperature and Precipitation November 2017 to October 2018

Temperature and Precipitation Graph