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Thunder Bay District (Thunder Bay)
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Weather in Thunder Bay District for May 2026

Your guide to Thunder Bay District weather in May - trends and predictions

    Snow Forecast ❄️

  • With an average of 2 snowy days, Thunder Bay District usually enjoys a light touch of snow in May.
    According to Thunder Bay District snow forecast for May 2026, 2 snowy days are expected in the next 2 weeks. The closest date with snow is Tuesday, 12 May.

    • Temperatures

  • Until now, May 2026 in Thunder Bay District is slightly cooler than the historical average by -1.1 °C.

  • The forecast for the next days in Thunder Bay District predicts temperatures to be around 10 °C, close to the historical average.

  • In general, the average temperature in Thunder Bay District at the beginning of May is 8.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 17.4 °C by the end of May.

    • Rain 🌧️

  • The climate of Thunder Bay District in May is notably wet, with an average of 15 rainy days, and a total of 110.4 mm of precipitation.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
14
Dry days
Average rainy days
15
Rainy days
Average snowy days
2
Snow days
Average temperatures
13°/5°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Thunder Bay District Weather May

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

Temperatures trend during May in Thunder Bay District

See the weather trend as well as the moving average line

May weather in Thunder Bay District day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
1 May Light freezing rain
Light freezing rain
 6° /0° 10.1 mm 0 cm
2 May Light freezing rain
Light freezing rain
 7° /-1° 7.4 mm 3.4 cm
3 May Patchy rain possible
Patchy rain possible
 12° /1° 0.7 mm 0 cm
4 May Overcast
Overcast
 8° /2° 2.9 mm 0 cm
5 May Overcast
Overcast
 8° /1° 0 mm 0 cm
6 May Patchy rain possible
Patchy rain possible
 10° /2° 0.6 mm 0 cm
7 May Moderate or heavy rain shower
Moderate or heavy rain shower
 7° /2° 1.7 mm 0 cm
8 May Overcast
Overcast
 11° /2° 0 mm 0 cm
9 May Sunny
Sunny
 13° /1° 0 mm 0 cm
10 May Overcast
Overcast
 12° /3° 0.7 mm 0 cm
11 May Sunny
Sunny
 12° /-3° 0 mm 0 cm
12 May Heavy rain
Heavy rain
 4° /-1° 23.7 mm 0 cm
13 May Patchy rain possible
Patchy rain possible
 9° /2° 0.4 mm 0.1 cm
14 May Sunny
Sunny
 7° /-1° 0 mm 0 cm
15 May Moderate rain
Moderate rain
 8° /0° 5.3 mm 0 cm
16 May Patchy rain possible
Patchy rain possible
 8° /4° 1.9 mm 0 cm
17 May Overcast
Overcast
 10° /3° 0 mm 0 cm
18 May Sunny
Sunny
 11° /2° 0 mm 0 cm
19 May Sunny
Sunny
 11° /2° 0 mm 0 cm
20 May Sunny
Sunny
 13° /3° 0 mm 0 cm
21 May Patchy rain possible
Patchy rain possible
 12° /6° 1.7 mm 0 cm
22 May Patchy rain possible
Patchy rain possible
 10° /4° 1.1 mm 0 cm
23 May Partly cloudy
Partly cloudy
 9° /1° 0 mm 0 cm
24 May Patchy rain possible
Patchy rain possible
 9° /3° 0.9 mm 0 cm
25 May Sunny
Sunny
 15° /4° 3.2 mm 0 cm
26 May Sunny
Sunny
 16° /6° 1.5 mm 0 cm
27 May Sunny
Sunny
 19° /7° 0 mm 0 cm
28 May Partly cloudy
Partly cloudy
 17° /7° 0.2 mm 0 cm
29 May Overcast
Overcast
 19° /8° 0 mm 0 cm
30 May Sunny
Sunny
 19° /9° 0 mm 0 cm
31 May Patchy rain possible
Patchy rain possible
 17° /8° 2 mm 0 cm
Next
Important Notice
Our weather forecast for Thunder Bay District in May 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 District forecast closer to your planned date for the most up-to-date weather information.
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Thunder Bay District in May - FAQ

What are the expected maximum and minimum temperatures in Thunder Bay District during May?

During May, expect a variety of temperatures with highs around 13° and lows near 5°, suitable for diverse activities and preferences.

How much rainfall should be expected in Thunder Bay District during May?

Significant rainfall exceeding 110.4 mm is expected in Thunder Bay District during May, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Thunder Bay District in May 2026?

Thunder Bay District experiences an average snowfall of 7.27333 cm during May, occurring over 2 days.

What are the typical wind conditions in Thunder Bay District during May?

The average wind speed in Thunder Bay District during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

Thunder Bay District snow forecast May 2026

Track daily snowfall levels and discover Thunder Bay District’s snowy potential this May ❄️
On average, Thunder Bay District sees 2 snowy days during May, with approximately 7.3 cm of total snowfall.

May rainfall patterns in Thunder Bay District

Explore the daily rainfall trends and prepare for Thunder Bay Districts May weather 💧
Typically, Thunder Bay District has 15 rainy days in May with a total of 110.4 mm of rainfall.
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Location coordinates Where is Thunder Bay District?

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

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