ClimateForecastDecemberJanuary >>

Thunder Bay weather in December (Ontario, Canada)

How's the weather trend in Thunder Bay as December approaches? Check out our in-depth weather guide for this month.

Temperatures

In December, Thunder Bay typically experiences very low temperatures and moderate snowfall. Enjoy the winter season during this month. Expect daytime highs to reach approximately -3°C, with nighttime lows dipping to around -12°C. Prepare for low temperatures this month by wearing plenty of layers. It's essential to stay warm in such cold conditions.

Precipitation

Thunder Bay in December usually receives moderate snowfall, averaging around 48 mm for the month. Looking at the last 30 years, the data shows about 11 days with snow.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Thunder Bay. July and August typically offer the most agreeable circumstances. On the other hand, January, February, March, April, November and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Thunder Bay climate page with graphs.

 

Thunder Bay, monthly averages in December

Min TemperatureMin Temperature -12°C  
Max TemperatureMax Temperature -3°C  
Chance of RainChance of Rain 38%  
PrecipitationPrecipitation 48 mm  
Rainy daysRainy days 11 days  

Where to go in Canada in December

Find out more about the weather in Canada and which places have the best travel conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Visitors traveling to Thunder Bay should plan on bringing winter clothes, snow boots and a warm winter coat. There will be periods of snow.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
1/10
Walking
1/10
Barbeque
1/10
Camping
2/10
Outdoor sports
1/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Thunder Bay.

Our site offers climate and forecast data for every country in the world. Are you going to Canada? On this website you can find historical weather averages for many cities in Canada. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.