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Merritt (BC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Merritt.
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Climate overview of Merritt
Merritt, British Columbia, Canada, sees big temperature differences between seasons, with July peaking at 23°C (73°F) and December dropping to -1°C (30°F).
Annual rain/snowfall is moderate at around 676 mm (27 in), with November being the wettest month. The city also has a distinct dry season from July to August, with warm summers and very cold winters. Sunshine peaks in July, when the city sees around 10.2 hours of sunshine per day.
Merritt Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Merritt - and find the best time to visit.
Monthly Temperature in Merritt
Visitors to Merritt can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 23°C (73°F) in July. In December, the coolest month of the year, temperatures drop to a very cold -1°C (30°F).
At night, temperatures range from around 9°C (48°F) in July to -8°C (18°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Merritt
Generally, Merritt experiences moderate precipitation patterns, averaging 676 mm (27 in) yearly. Merritt can be quite wet during November, receiving approximately 93 mm (3.7 in) of precipitation over 12 snowy/rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 28 mm (1.1 in) of precipitation spread across 7 rainy days. For more details, please visit our Merritt Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Merritt
Merritt can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.5 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Kamloops, Canada (70 KM, 43 Miles).
Daily hours of sunshine
Data from: Kamloops, Canada (70 KM, 43 Miles).
Daily percentage of sunshine
Data from: Kamloops, Canada (70 KM, 43 Miles).
Humidity in Merritt by Month
The relative humidity is moderate throughout the year in Merritt.
The city experiences its highest humidity in January, reaching 73%. In July, the humidity drops to its lowest level at 32%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Kamloops, Canada (70 KM, 43 Miles).
Best Time to Visit Merritt
Conditions in Merritt are generally most comfortable in July and August. They are typically least comfortable in January, February, March, April, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
cold
Mar
cold
Apr
cold
May
good
Jun
very good
Jul
excellent
Aug
excellent
Sep
very good
Oct
cold
Nov
cold
Dec
very cold
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: A distinct dry season from July to August, with warm summers and very cold winters
- Coldest conditions: December, with freezing nights around -8°C (18°F).
Frequently asked questions about the climate in Merritt
What is the best time to visit Merritt?
July and August typically offer the most optimal weather in Merritt. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Merritt has a distinct dry season from July to August, with warm summers and very cold winters.
What temperatures can I expect in Merritt?
Daytime highs range from -1°C (30°F) in December to 23°C (73°F) in July. Nighttime lows range from -8°C (18°F) to 9°C (48°F). Temperatures vary considerably through the year.
How much rain does Merritt get?
Annual rainfall is around 676 mm (27 in). November is the wettest month with 93 mm (3.7 in), while August is the driest with 28 mm (1.1 in). In the coldest months, precipitation may fall as snow/rain.
How sunny is Merritt?
Merritt receives around 2,078 hours of sunshine per year. July is the sunniest month with 305 hours, while December is the cloudiest with just 44 hours. Overall, Merritt enjoys abundant sunshine.
Merritt 3-Day Forecast
Merritt on the map
Merritt is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
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