Weather History for Thunder Bay, ON

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Month of July, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 73 °F 57 °F
Mean Temperature 74 °F 63 °F 52 °F
Min Temperature 68 °F 53 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 12 4 0 110
Cooling Degree Days (base 65) 9 2 0 51
Growing Degree Days (base 50) 24 13 2 408
Dew Point  
Dew Point 73 °F 55 °F 34 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 20 mph 6 mph 0 mph
Gust Wind 34 mph 22 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.30 in 29.98 in 29.53 in

Monthly Weather History Graph

Monthly Weather History Graph

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Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Jul. 27, 2013 Rise Set
Actual Time 6:26 AM EDT 9:40 PM EDT
Civil Twilight 5:48 AM EDT 10:18 PM EDT
Nautical Twilight 4:59 AM EDT 11:07 PM EDT
Astronomical Twilight 3:55 AM EDT 12:09 AM EDT
Moon 11:52 PM EDT (7/27) 12:39 PM EDT (7/27)
Length of Visible Light 16h 29m
Length of Day
15h 14m
Waning Gibbous, 71% of the Moon is Illuminated
Jul 27
Waning Gibbous
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter
Aug 20
Full

Weather History Calendar

Precipitation Actual month total 0.00 Average Month Total: 2.60
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
69 | 48 0.00
Average:
70 | 48 0.12
Scattered Clouds
Actual:
75 | 41 0.00
Average:
70 | 48 0.11
Clear
Actual:
77 | 42 0.00
Average:
70 | 48 0.12
Scattered Clouds
Actual:
84 | 46 0.00
Average:
71 | 48 0.10
Partly Cloudy
Actual:
87 | 55 0.00
Average:
71 | 48 0.10
Thunderstorm
Actual:
82 | 60 0.00
Average:
71 | 49 0.10
Rain
Actual:
62 | 55 0.00
Average:
72 | 49 0.09
Mostly Cloudy
Actual:
75 | 53 0.00
Average:
72 | 50 0.09
Rain
Actual:
62 | 55 0.00
Average:
73 | 50 0.08
Rain
Actual:
77 | 59 0.00
Average:
73 | 50 0.08
Fog
Actual:
80 | 50 0.00
Average:
73 | 51 0.08
Partly Cloudy
Actual:
80 | 53 0.00
Average:
73 | 51 0.09
Rain
Actual:
80 | 60 0.00
Average:
73 | 51 0.10
Thunderstorm
Actual:
71 | 59 0.00
Average:
73 | 51 0.10
Rain
Actual:
77 | 60 0.00
Average:
73 | 51 0.10
Rain
Actual:
89 | 59 0.00
Average:
73 | 51 0.10
Rain
Actual:
80 | 68 0.00
Average:
73 | 51 0.10
Thunderstorm
Actual:
68 | 60 0.00
Average:
73 | 51 0.09
Thunderstorm
Actual:
77 | 62 0.00
Average:
73 | 51 0.08
Partly Cloudy
Actual:
64 | 48 0.00
Average:
73 | 51 0.08
Scattered Clouds
Actual:
68 | 44 0.00
Average:
73 | 51 0.07
Thunderstorm
Actual:
78 | 48 0.00
Average:
73 | 51 0.07
Partly Cloudy
Actual:
71 | 53 0.00
Average:
73 | 51 0.06
Rain
Actual:
73 | 46 0.00
Average:
73 | 51 0.06
Rain
Actual:
66 | 57 0.00
Average:
73 | 51 0.06
Rain
Actual:
57 | 48 0.00
Average:
73 | 51 0.06
Rain
Actual:
57 | 50 0.00
Average:
74 | 51 0.06
Rain
Actual:
60 | 51 0.00
Average:
74 | 51 0.06
Partly Cloudy
Actual:
75 | 44 0.00
Average:
74 | 51 0.06
Rain
Actual:
71 | 48 0.00
Average:
74 | 51 0.07
Rain
Actual:
77 | 55 0.00
Average:
74 | 51 0.06
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 69 58 48 54 46 34 100 61 34 30.30 30.25 30.13 20 18 15 12 6 - 0.00  
2 75 58 41 50 44 39 100 61 27 30.24 30.19 30.11 20 18 15 13 5 - 0.00  
3 77 60 42 52 47 43 100 67 29 30.12 30.06 29.99 20 18 15 12 5 - 0.00  
4 84 65 46 57 50 46 100 65 32 29.99 29.92 29.86 20 18 15 17 5 25 0.00  
5 87 71 55 61 56 52 88 64 31 29.89 29.84 29.77 20 18 15 20 7 31 0.00  
6 82 71 60 68 63 54 100 80 54 29.94 29.85 29.78 20 12 2 14 6 22 0.00 Rain , Thunderstorm
7 62 58 55 61 58 52 100 94 88 30.04 29.96 29.91 15 9 3 13 8 - 0.00 Rain
8 75 64 53 66 57 52 94 88 73 30.05 30.02 29.97 20 14 8 12 6 - 0.00  
9 62 58 55 61 58 55 100 97 88 30.01 29.88 29.74 10 4 0 14 5 - 0.00 Fog , Rain
10 77 68 59 61 55 50 100 73 39 29.96 29.83 29.73 20 17 4 20 9 31 0.00 Rain
11 80 65 50 61 55 50 100 71 42 30.09 30.03 29.96 20 18 12 16 5 23 0.00 Fog
12 80 66 53 63 57 52 100 71 48 30.01 29.97 29.91 20 15 12 17 6 28 0.00  
13 80 70 60 68 60 55 94 82 65 30.09 29.99 29.92 20 16 10 9 5 - 0.00 Rain
14 71 65 59 66 62 57 100 89 73 30.19 30.13 30.09 20 13 2 7 5 - 0.00 Rain , Thunderstorm
15 77 70 60 68 66 59 100 89 73 30.26 30.24 30.20 20 12 2 7 3 - 0.00 Rain
16 89 74 59 73 63 59 100 86 55 30.24 30.14 30.01 20 10 0 12 5 20 0.00 Fog , Rain
17 80 74 68 70 66 63 94 78 65 30.20 30.14 30.08 20 19 15 9 4 - 0.00 Rain
18 68 64 60 68 63 61 100 97 88 30.11 29.87 29.66 20 6 1 13 5 20 0.00 Fog , Rain , Thunderstorm
19 77 70 62 64 59 48 100 78 36 29.73 29.62 29.53 20 12 0 18 7 34 0.00 Fog , Rain , Thunderstorm
20 64 56 48 54 47 45 87 65 49 30.04 29.96 29.76 20 18 15 10 6 17 0.00  
21 68 56 44 50 47 45 100 72 46 30.07 30.02 29.94 20 18 15 12 5 - 0.00  
22 78 63 48 66 55 46 100 83 51 29.93 29.68 29.53 20 13 2 20 8 32 0.00 Rain , Thunderstorm
23 71 64 53 50 47 46 88 59 41 30.01 29.89 29.71 20 19 15 20 13 29 0.00  
24 73 60 46 61 55 45 100 81 57 30.04 29.99 29.94 20 19 12 16 6 23 0.00 Rain
25 66 62 57 59 57 55 100 94 77 29.97 29.94 29.91 20 13 4 16 7 18 0.00 Rain
26 57 52 48 55 51 45 100 91 82 30.05 29.97 29.91 20 13 2 15 10 25 0.00 Rain
27 57 54 50 52 48 45 94 84 72 29.99 29.90 29.84 20 16 2 10 6 18 0.00 Rain
28 60 56 51 54 49 45 100 79 55 30.01 29.91 29.86 20 17 4 16 6 24 0.00 Rain
29 75 60 44 55 51 45 100 74 41 30.10 30.07 30.02 20 18 15 12 5 - 0.00  
30 71 60 48 61 55 46 100 85 64 30.11 30.07 30.01 20 18 15 14 3 - 0.00 Rain
31 77 66 55 63 55 48 100 73 38 30.01 29.91 29.83 20 18 10 20 5 29 0.00 Rain