Canada

Thunder Bay weather in July

Weather in Thunder Bay: July


	Average day temperature:	69.3°F
	Average night temperature:	58.5°F

	Sea water temperature:	59.3°F

	Number of sunny days:	12 days
	Day length:	15.1 - 16.0 hours

	Number of rainy days:	2 days
	Precipitation totals:	0.9 in.

more information

14 days
forecast

Thunder Bay

sea water
temperature

Thunder Bay

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2024

2023

2022

104

Day temperature

Night temperature

The highest day temperature during July of 2024 was 81°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during July were 69.6°F and 57.4°F.

Show year:

2024

2023

2022

The average sea water temperature in July of 2024 was 60.8°F. The highest and lowest sea temperatures during the month were 65.7°F and 54.0°F.

	Sunny days
	Partly cloudy days
	Cloudy days

40%

20%

Number of sunny, partly cloudy and cloudy days in July is almost equal.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

0.2

0.4

0.7

0.9

1.1

1.3

1.6

1.2

1.1

1.3

1.2

1.1

1.3

Precipitation total value in Thunder Bay in July is 0.9 in. Other months of the year show relatively similar values.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.6

3.3

4.9

6.6

8.2

9.9

11.5

13.2

9.1

9.6

8.4

7.0

6.6

6.4

7.0

9.1

8.5

8.4

8.5

9.1

9.6

8.4

7.0

6.6

5.9

6.4

7.0

9.1

8.5

8.4

8.5

The average wind speed value in July is 5.9 mph It makes July lest windy month of the year.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.6

3.3

4.9

6.6

8.2

9.9

11.5

2.8

3.8

5.3

7.9

9.0

8.3

7.8

4.3

4.6

3.7

3.6

2.8

3.8

5.3

7.9

9.0

9.6

8.3

7.8

4.3

4.6

3.7

3.6

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 9.6.