Thunder Bay Weather in April
What's the weather like in Thunder Bay (Ontario) in April 2024?
The climate in Thunder Bay during April can be summarized as cool and reasonably dry.
April is in the spring in Thunder Bay and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a cold 8°C (46°F), whilst at night -3°C (26°F) is normal.
| Daytime temperature | 8°C 46.4°F |
|---|---|
| Nightly temperature | -3.2°C 26.2°F |
| Average temperature | 2.4°C 36.3°F |
| Daily sunshine | 8 hrs |
| Avg rainfall | 45 mm 1.8 ins |
| Rainy days | 9 days |
| Sea temperature | 2.1°C 35.8°F |
| Humidity | 65% |
| Windspeed | 13.7kph 9 mph |
On average April is the 4th driest month of the year in Thunder Bay with around 45mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 8 hours of sunshine per day.
April temperatures in Thunder Bay
April rainfall
April hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Thunder Bay in April 2024.
Other monthly averages
Thunder Bay weather stats
| Hottest month: | July | 23.4°C 74.1°F |
|---|---|---|
| Driest month: | February | 27mm 1.1ins |
| Sunniest month: | July | 10.3hrs |
| Coldest month: | January | -9.5°C 14.9°F |
| Wettest month: | August | 88mm 3.5ins |
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