When is the best time to go to Thunder Bay?

When is the best time to go to Thunder Bay? Here's some information to help you in your decision:

  • The best months for good weather in Thunder Bay are June, July, August and September
  • On average, the warmest months are July and August
  • The coldest months are January and February
  • The rainiest months are April, May, June, July, August and September


Annual weather in Thunder Bay

For full information about the climate and weather in Thunder Bay a specific month, click on the corresponding line below:

Month
January 7°F/18°F
2.1in
February 7°F/18°F
2.1in
March 20°F/31°F
3.1in
April 31°F/41°F
4.1in
May 43°F/56°F
3.9in
June 52°F/65°F
4.1in
July 59°F/72°F
3.8in
August 58°F/72°F
3.5in
September 50°F/63°F
3.3in
October 40°F/49°F
3in
November 29°F/36°F
3.1in
December 16°F/23°F
2.9in


Weather and climate in Thunder Bay

Thunder Bay enjoys a warm-summer humid continental climate (without dry season) in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Thunder Bay is 45°F (ranging from 18°F in january to 72°F in july). Annual rainfall is 38.8in, with a minimum of 2.1in in january and a maximum of 4.1in in june.
  • From january to april the climate is very unfavorable. At lunchtime, it's 40°F in average and it rains in april about 4.1in.
  • In may the climate is just OK. In average, on the morning it is 43°F and, in may, 6 days of rain are expected.
  • Between the months of june and september the climate is good. the thermometer goes up to 63°F°C and you can expect to have 3.3in of rainfall/month during this period.
  • In the month of october the climate is bad. The record temperature this month is 72°F.
  • From november to december the climate is very bad. The record temperature this month is 41°F and, in december, 4 days of rain are expected.

Thunder Bay :



Charts: temperature and rainfall in Thunder Bay

In the charts below, you can see the following seasonal norms for the city of Thunder Bay: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Humidity


Peak visitor numbers and tourist seasons in Thunder Bay

Find out when Thunder Bay has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.

Tourist seasons in Thunder Bay

  • Very low season in Thunder Bay
    The months with the lowest number of tourists are: January, February, March, November and December.
  • Low season in Thunder Bay
    The months with low numbers of tourists are: April, May and October.
  • High season in Thunder Bay
    The number of visitors to Thunder Bay is high in: June and September.
  • Peak season in Thunder Bay
    The largest number of tourists visiting Thunder Bay is during: July and August.

Figure: Visitor index for Thunder Bay month by month



Best time for low prices in Thunder Bay

Average prices of hotels in Thunder Bay month by month

Generally, December is the month with the lowest hotel prices in Thunder Bay. So this is a great time to save on your holiday! In contrast, August is statistically the most expensive month of the year for hotels.

Find the best price for your hotel room


Other cities and places near Thunder Bay

Best time to go to Canada

Chargement en cours
Legend: Thunder Bay other locations

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