Thunder Bay
June
Weather in Thunder Bay for June 2025
Your guide to Thunder Bay weather in June - trends and predictions
In general, the average temperature in Thunder Bay at the beginning of June is 15.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 17 °C by the end of June.
Thunder Bay sees moderate rainfall in June, averaging 10 rainy days.
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20
Dry days
10
Rainy days
0
Snow days
19°/10°
Temperatures
14 km/h
Avg max wind
75 %
Avg humidity
Thunder Bay in June average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  16° | ||||||
| 2 17° | 3  16° | 4 17° | 5 16° | 6 13° | 7  15° | 8  17° |
| 9 17° | 10  16° | 11 14° | 12 18° | 13 20° | 14 17° | 15 17° |
| 16 19° | 17 18° | 18 20° | 19  19° | 20 19° | 21 19° | 22 19° |
| 23  20° | 24 18° | 25 19° | 26 18° | 27 18° | 28 12° | 29 14° |
| 30 20° |
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Temperatures trend during June in Thunder Bay
See the weather trend as well as the moving average line
June weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jun. | Overcast | 16° /11° | 3.4 mm | 4 | |
| 2 Jun. | Overcast | 17° /8° | 0.1 mm | 4 | |
| 3 Jun. | Patchy rain possible | 16° /9° | 4.6 mm | 4 | |
| 4 Jun. | Patchy rain possible | 17° /10° | 9.4 mm | 4 | |
| 5 Jun. | Overcast | 16° /10° | 10.3 mm | 4 | |
| 6 Jun. | Patchy rain possible | 13° /8° | 3.2 mm | 3 | |
| 7 Jun. | Partly cloudy | 15° /8° | 1.6 mm | 4 | |
| 8 Jun. | Sunny | 17° /7° | 0.8 mm | 5 | |
| 9 Jun. | Patchy rain possible | 17° /8° | 2.7 mm | 4 | |
| 10 Jun. | Moderate rain at times | 16° /8° | 4.7 mm | 5 | |
| 11 Jun. | Sunny | 14° /5° | 1.4 mm | 4 | |
| 12 Jun. | Partly cloudy | 18° /8° | 23.5 mm | 5 | |
| 13 Jun. | Patchy rain possible | 20° /10° | 1.9 mm | 5 | |
| 14 Jun. | Partly cloudy | 17° /8° | 0 mm | 5 | |
| 15 Jun. | Partly cloudy | 17° /7° | 0 mm | 5 | |
| 16 Jun. | Sunny | 19° /8° | 3.9 mm | 5 | |
| 17 Jun. | Partly cloudy | 18° /10° | 0.1 mm | 5 | |
| 18 Jun. | Sunny | 20° /9° | 12.5 mm | 5 | |
| 19 Jun. | Cloudy | 19° /10° | 0.6 mm | 4 | |
| 20 Jun. | Sunny | 19° /9° | 0 mm | 5 | |
| 21 Jun. | Sunny | 19° /9° | 0 mm | 6 | |
| 22 Jun. | Sunny | 19° /11° | 0.1 mm | 5 | |
| 23 Jun. | Heavy rain at times | 20° /12° | 3.8 mm | 5 | |
| 24 Jun. | Moderate or heavy rain shower | 18° /11° | 11.6 mm | 4 | |
| 25 Jun. | Heavy rain at times | 19° /9° | 15.8 mm | 4 | |
| 26 Jun. | Overcast | 18° /9° | 3.4 mm | 5 | |
| 27 Jun. | Cloudy | 18° /9° | 0.1 mm | 5 | |
| 28 Jun. | Moderate or heavy rain shower | 12° /9° | 22.2 mm | 3 | |
| 29 Jun. | Moderate or heavy rain shower | 14° /8° | 12.2 mm | 4 | |
| 30 Jun. | Moderate rain at times | 20° /8° | 3.2 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Thunder Bay in June is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Thunder Bay forecast closer to your planned date for the most up-to-date weather information.
Thunder Bay in June - FAQ
What are the expected maximum and minimum temperatures in Thunder Bay during June?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Thunder Bay during June?
Significant rainfall exceeding 126.3 mm is expected in Thunder Bay during June, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Thunder Bay during June?
The average wind speed in Thunder Bay during June is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
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