Thunder Bay in january: average Weather, Temperature and Climate
Weather in Thunder Bay in january 2026
The weather in Thunder Bay in the month of january comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout january
very bad weather 495.8cm
Weather at 6am
9°F
Snow showers
45% of time
21%
18%
9%
Weather at 12pm
13°F
Snow showers
53% of time
17%
17%
10%
Weather at 6pm
13°F
Snow showers
53% of time
17%
13%
9%
Weather at 3am
11°F
41%
26%
15%
9%
Evolution of daily average temperature and precipitation in Thunder Bay in january
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Thunder Bay in january.
The climate of Thunder Bay in january is very bad
In january in Thunder Bay, the climate is rather dry (with 2.1in of rainfall over 4 days). The weather is better from the previous month since in december it receives an average of 2.9in of precipitation over 4 days.
The climate is very cold in this city the month of january. Plan a sweater!. The high seasonal norm is 18°F. The minimum is 7°F. Thus, the mean temperature average on this month of january in Thunder Bay is 13°F. Note that seasonal normals in contrast with those observed in Thunder Bay in january with a maximum record of 38°F in 2018 and a minimum record of -25°F in 2019. You need to prepare to have about 31 days with temperatures down below 32°F, or 100% of time.
In january in Thunder Bay, the days on average last 08:48. The sun rises at 08:43 and sunset is at 17:31.
Seasonal average climate and temperature of Thunder Bay in january
Check below seasonal norms These statistics are compiled from the weather statements of the last years of january.
| January | |||||
| Outside temperature | |||||
| Average temperature | 13°F | ||||
| Highest temperature | 18°F | ||||
| Lowest temperature | 7°F | ||||
| Highest record temperature | 38°F (2018) | ||||
| Lowest record temperature | -25°F (2019) | ||||
| Number of days at -32°F | 31 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 18km/h | ||||
| Wind temperature | -5°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.1in | ||||
| Number of days with rainfall | 4 day(s) (11%) | ||||
| Record daily rainfall | 1.1in (2010) | ||||
| Snowfall | 495.8cm | ||||
| Other climate data | |||||
| Humidity | 93% | ||||
| Visibility | 7.43km | ||||
| Cloud cover | 69% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 6 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 08:43 | ||||
| Time of sunset | 17:31 | ||||
| Length of day | 08:48 | ||||
| Our opinion about the weather in january | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last january?
Here is the day by day recorded weather in Thunder Bay in january 2025:
23°F to 25°F
14°F to 20°F
11°F to 14°F
2°F to 13°F
5°F to 20°F
7°F to 14°F
7°F to 11°F
-4°F to 7°F
18°F to 25°F
18°F to 22°F
11°F to 18°F
25°F to 29°F
9°F to 14°F
2°F to 11°F
2°F to 18°F
18°F to 27°F
25°F to 31°F
-0°F to 14°F
-11°F to -5°F
-13°F to -5°F
-16°F to -0°F
7°F to 11°F
-4°F to 9°F
-2°F to 16°F
11°F to 23°F
5°F to 27°F
22°F to 32°F
5°F to 25°F
9°F to 16°F
18°F to 27°F
16°F to 18°F
Map: other cities in Canada in january
Cities near Thunder Bay:
| Marathon in january | very bad weather |
| Dryden in january | very bad weather |
| Sault Ste. Marie in january | very bad weather |
| Red Lake in january | very bad weather |
| Timmins in january | very bad weather |
| Winnipeg (Manitoba) in january | very bad weather |
| Greater Sudbury in january | very bad weather |
| Bruce Peninsula in january | very bad weather |
| Owen Sound in january | very bad weather |
| North Bay in january | very bad weather |
| Brandon in january | very bad weather |
| Orillia in january | very bad weather |
Click over cities on the map for information about the weather in january.
Thunder Bay
perfect weather
good
tolerable
bad
very bad
Weather data for Thunder Bay in january:
Weather data for Thunder Bay for january are derived from an average of the weather forecast since 2009 in Thunder Bay. There is a margin of error and these forecasts are to be considered as general information only. The weather in Thunder Bay can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Thunder Bay.