Thunder Bay in april: average Weather, Temperature and Climate
Weather in Thunder Bay in april 2025
The weather in Thunder Bay in april comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout april
very bad weather 476.2cm
Weather at 6am
31°F
Partly Cloudy
24% of time
24%
22%
14%
Weather at 12pm
40°F
Clear/Sunny
28% of time
24%
21%
17%
Weather at 6pm
38°F
Clear/Sunny
24% of time
24%
20%
15%
Weather at 3am
32°F
25%
22%
21%
12%
Evolution of daily average temperature and precipitation in Thunder Bay in april
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Thunder Bay in april.
The climate of Thunder Bay in april is very bad
the weather in Thunder Bay in april is relatively dry (with 4.1in of rainfall over 6 days). The weather's not getting better compared to the previous month since in march there is an average of 3.1in of precipitation over 4 days.
The climate is quite more than very fresh in this city april. Do not forget to cover yourself! The thermometer averaged maximum of 41°F. In the morning the temperature drops to 31°F. Thus, the mean temperature average in april in Thunder Bay is 36°F. Note that these seasonal averages are in contrast with those observed in Thunder Bay in the month of april with a maximum record of 63°F in 2018 and a minimum record of 7°F in 2016. You can expect to have about 19 days with temperatures below 32°F, or 63% of the month.
On average, in Thunder Bay, the days of april last 13:43. Sunrise is at 06:06 and sunset is at 19:49.
Seasonal average climate and temperature of Thunder Bay in april
Check below seasonal norms These datas are compiled from the weather statements of the past years of the month of april.
| April | |||||
| Outside temperature | |||||
| Average temperature | 36°F | ||||
| Highest temperature | 41°F | ||||
| Lowest temperature | 31°F | ||||
| Highest record temperature | 63°F (2018) | ||||
| Lowest record temperature | 7°F (2016) | ||||
| Number of days at +65°F | 0 day(s) (0%) | ||||
| Number of days at -32°F | 19 day(s) (63%) | ||||
| Wind | |||||
| Wind speed | 18km/h | ||||
| Wind temperature | 23°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.1in | ||||
| Number of days with rainfall | 6 day(s) (20%) | ||||
| Record daily rainfall | 2.3in (2021) | ||||
| Snowfall | 476.2cm | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 7.98km | ||||
| Cloud cover | 55% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:06 | ||||
| Time of sunset | 19:49 | ||||
| Length of day | 13:43 | ||||
| Our opinion about the weather in april | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last april?
Here is the day by day recorded weather in Thunder Bay in april 2024:
25°F to 31°F
25°F to 34°F
25°F to 34°F
32°F to 34°F
29°F to 38°F
29°F to 38°F
32°F to 38°F
36°F to 38°F
36°F to 40°F
36°F to 49°F
38°F to 47°F
36°F to 43°F
34°F to 41°F
36°F to 43°F
36°F to 49°F
34°F to 41°F
32°F to 41°F
36°F to 45°F
32°F to 40°F
31°F to 45°F
34°F to 43°F
32°F to 50°F
31°F to 43°F
23°F to 36°F
31°F to 47°F
34°F to 43°F
38°F to 41°F
31°F to 41°F
32°F to 38°F
34°F to 41°F
Map: other cities in Canada in april
Cities near Thunder Bay:
| Marathon in april | very bad weather |
| Dryden in april | very bad weather |
| Sault Ste. Marie in april | very bad weather |
| Red Lake in april | very bad weather |
| Timmins in april | very bad weather |
| Winnipeg (Manitoba) in april | very bad weather |
| Greater Sudbury in april | very bad weather |
| Bruce Peninsula in april | very bad weather |
| Owen Sound in april | very bad weather |
| North Bay in april | very bad weather |
| Brandon in april | very bad weather |
| Orillia in april | very bad weather |
Click over cities on the map for information about the weather in april.
Thunder Bay
perfect weather
good
tolerable
bad
very bad
Weather data for Thunder Bay in april:
Weather data for Thunder Bay for april 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.