Thunder Bay
June
Weather in Thunder Bay for June 2025
Your guide to Thunder Bay weather in June - trends and predictions
So far, June 2025 in Thunder Bay is slightly warmer than the historical average by 0.7 °C.
The forecast for the upcoming days in Thunder Bay predicts a temperature of 20.2 °C, which is slightly above the historical average.
In general, the average temperature in Thunder Bay at the beginning of June is 17.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.4 °C by the end of June.
Thunder Bay in June brings notable rainfall, with an average of 20 rainy days and a total precipitation of 156.8 mm.
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Temperatures
Rain 🌧️
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10
Dry days
20
Rainy days
0
Snow days
17°/9°
Temperatures
15 km/h
Avg max wind
76 %
Avg humidity
Thunder Bay Weather June
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Temperatures trend during June in Thunder Bay
See the weather trend as well as the moving average line
June weather in Thunder Bay day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jun. |  Overcast | 18° /10° | 2.3 mm | 5 | |
| 2 Jun. | Overcast | 19° /7° | 0.1 mm | 4 | |
| 3 Jun. |  Patchy rain possible | 16° /9° | 18.4 mm | 4 | |
| 4 Jun. | Patchy rain possible | 19° /9° | 6.3 mm | 5 | |
| 5 Jun. | Overcast | 17° /10° | 6.8 mm | 4 | |
| 6 Jun. | Patchy rain possible | 15° /8° | 2.1 mm | 3 | |
| 7 Jun. |  Partly cloudy | 16° /7° | 1.1 mm | 4 | |
| 8 Jun. | Light rain shower | 16° /6° | 6.8 mm | 4 | |
| 9 Jun. | Patchy rain possible | 16° /7° | 1.8 mm | 4 | |
| 10 Jun. |  Moderate rain at times | 18° /8° | 3.1 mm | 5 | |
| 11 Jun. |  Sunny | 16° /7° | 0.9 mm | 5 | |
| 12 Jun. | Partly cloudy | 16° /7° | 15.6 mm | 4 | |
| 13 Jun. | Patchy rain possible | 17° /9° | 1.3 mm | 4 | |
| 14 Jun. | Partly cloudy | 16° /7° | 0 mm | 4 | |
| 15 Jun. | Partly cloudy | 17° /6° | 0 mm | 2.4 | |
| 16 Jun. | Patchy rain possible | 19° /8° | 1.5 mm | 1.3 | |
| 17 Jun. |  Heavy rain | 22° /11° | 89.3 mm | 1.4 | |
| 18 Jun. | Partly cloudy | 24° /12° | 0 mm | 2.1 | |
| 19 Jun. | Patchy rain possible | 20° /13° | 0.2 mm | 0 | |
| 20 Jun. | Patchy rain possible | 18° /11° | 2 mm | 3 | |
| 21 Jun. | Patchy rain possible | 18° /10° | 0.1 mm | 3 | |
| 22 Jun. | Patchy rain possible | 27° /12° | 0.2 mm | 4 | |
| 23 Jun. | Patchy rain possible | 23° /18° | 0.7 mm | 5 | |
| 24 Jun. | Sunny | 22° /13° | 0 mm | 5 | |
| 25 Jun. | Partly cloudy | 20° /12° | 0 mm | 5 | |
| 26 Jun. | Patchy rain possible | 17° /10° | 2.9 mm | 3 | |
| 27 Jun. | Heavy rain | 18° /14° | 37.9 mm | 4 | |
| 28 Jun. | Sunny | 18° /11° | 0 mm | 4 | |
| 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 | |
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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.
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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 17° and cooler nights around 9°. 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 156.8 mm is expected in Thunder Bay during June, occurring over more than 20 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 15 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in Thunder Bay
Explore the daily rainfall trends and prepare for Thunder Bays June weather 💧
UV exposure in Thunder Bay during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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