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Weather in Thunder Bay for July 2027

Your guide to Thunder Bay weather in July - trends and predictions

    Temperatures

  • In general, the average temperature in Thunder Bay at the beginning of July is 21.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 24.6 °C by the end of July.

    • Rain 🌧️

  • Thunder Bay experiences moderate rainfall in July, with an average of 10 rainy days and a total precipitation of 123 mm.

    • More

  • Is July a good time to visit Thunder Bay? check out the best time to travel to Thunder Bay page.

  • ✨ Is July a good time to visit Thunder Bay? – Ask the AI Weatherman

Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/13°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Thunder Bay Weather July

Move between months or click on a day
June
August
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
23°
2
Light rain
23°
3
Overcast
21°
4
Overcast
20°
5
Light rain
20°
6
Overcast
21°
7
Patchy rain possible
22°
8
Moderate rain
19°
9
Patchy rain possible
22°
10
Patchy rain possible
20°
11
Cloudy
21°
12
Light rain
24°
13
Sunny
27°
14
Cloudy
28°
15
Light rain
21°
16
Partly cloudy
20°
17
Heavy rain at times
20°
18
Patchy rain possible
22°
19
Light rain
22°
20
Moderate rain at times
24°
21
Cloudy
20°
22
Light rain
22°
23
Heavy rain
22°
24
Partly cloudy
23°
25
Overcast
26°
26
Moderate or heavy rain shower
24°
27
Patchy rain possible
25°
28
Patchy rain possible
25°
29
Light rain
25°
30
Moderate rain at times
24°
31
Patchy rain possible
24°

Temperatures trend during July in Thunder Bay

See the weather trend as well as the moving average line

July weather in Thunder Bay day by day

Click on a date for more information
June August
Date Weather Temperatures Rain UV More
1 Jul. Patchy rain possible
Patchy rain possible
 23° /14° 0.3 mm 6
2 Jul. Light rain
Light rain
 23° /14° 3.1 mm 6
3 Jul. Overcast
Overcast
 21° /13° 0.4 mm 6
4 Jul. Overcast
Overcast
 20° /12° 0.4 mm 6
5 Jul. Light rain
Light rain
 20° /13° 8.3 mm 6
6 Jul. Overcast
Overcast
 21° /13° 0 mm 6
7 Jul. Patchy rain possible
Patchy rain possible
 22° /13° 0.5 mm 6
8 Jul. Moderate rain
Moderate rain
 19° /12° 16.2 mm 5
9 Jul. Patchy rain possible
Patchy rain possible
 22° /12° 1.6 mm 6
10 Jul. Patchy rain possible
Patchy rain possible
 20° /11° 2.1 mm 6
11 Jul. Cloudy
Cloudy
 21° /12° 0 mm 6
12 Jul. Light rain
Light rain
 24° /12° 7.9 mm 6
13 Jul. Sunny
Sunny
 27° /16° 0 mm 6
14 Jul. Cloudy
Cloudy
 28° /17° 0.2 mm 7
15 Jul. Light rain
Light rain
 21° /15° 7.6 mm 6
16 Jul. Partly cloudy
Partly cloudy
 20° /12° 0.3 mm 6
17 Jul. Heavy rain at times
Heavy rain at times
 20° /12° 5.6 mm 5
18 Jul. Patchy rain possible
Patchy rain possible
 22° /13° 0.4 mm 6
19 Jul. Light rain
Light rain
 22° /11° 6.3 mm 6
20 Jul. Moderate rain at times
Moderate rain at times
 24° /13° 5.6 mm 6
21 Jul. Cloudy
Cloudy
 20° /12° 0.1 mm 5
22 Jul. Light rain
Light rain
 22° /12° 8.4 mm 6
23 Jul. Heavy rain
Heavy rain
 22° /13° 27.7 mm 6
24 Jul. Partly cloudy
Partly cloudy
 23° /13° 0 mm 6
25 Jul. Overcast
Overcast
 26° /14° 0.5 mm 7
26 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /14° 6.1 mm 6
27 Jul. Patchy rain possible
Patchy rain possible
 25° /15° 1.2 mm 5
28 Jul. Patchy rain possible
Patchy rain possible
 25° /15° 2.3 mm 6
29 Jul. Light rain
Light rain
 25° /16° 3 mm 6
30 Jul. Moderate rain at times
Moderate rain at times
 24° /14° 5.7 mm 6
31 Jul. Patchy rain possible
Patchy rain possible
 24° /15° 1 mm 6
Next
Important Notice
Our weather forecast for Thunder Bay in July 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 July - FAQ

What are the expected maximum and minimum temperatures in Thunder Bay during July?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Thunder Bay during July?
Significant rainfall exceeding 123 mm is expected in Thunder Bay during July, 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 July?
The average wind speed in Thunder Bay during July is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

July rainfall patterns in Thunder Bay

Explore the daily rainfall trends and prepare for Thunder Bays July weather 💧
Typically, Thunder Bay has 10 rainy days in July with a total of 123 mm of rainfall.

UV exposure in Thunder Bay during July

Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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Location coordinates Where is Thunder Bay?

Get accurate weather forecasts for Thunder Bay, located at latitude 48.382 and longitude -89.25. Stay updated with localized weather information tailored for Thunder Bay.

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