Bonn offers a solid outdoor season. June through September are perfect for all activities. Dinner outside works 4/12 months, while walking is comfortable 12/12 months — impressive.
BonnGermany
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Annual
4/12
Dinner Outside
36
0Jan: 0% viability
0
1Feb: 1% viability
1
6Mar: 6% viability
6
33Apr: 33% viability
33
59May: 59% viability
59
80Jun: 80% viability
80
82Jul: 82% viability
82
82Aug: 82% viability
82
68Sep: 68% viability
68
25Oct: 25% viability
25
0Nov: 0% viability
0
0Dec: 0% viability
0
4/12
Dinner Outside
0Jan: 0% viability
0
1Feb: 1% viability
1
6Mar: 6% viability
6
33Apr: 33% viability
33
59May: 59% viability
59
80Jun: 80% viability
80
82Jul: 82% viability
82
82Aug: 82% viability
82
68Sep: 68% viability
68
25Oct: 25% viability
25
0Nov: 0% viability
0
0Dec: 0% viability
0
36%
Cold
7/12
Lunch Outside
56
12Jan: 12% viability
12
25Feb: 25% viability
25
53Mar: 53% viability
53
71Apr: 71% viability
71
75May: 75% viability
75
82Jun: 82% viability
82
76Jul: 76% viability
76
73Aug: 73% viability
73
81Sep: 81% viability
81
70Oct: 70% viability
70
43Nov: 43% viability
43
12Dec: 12% viability
12
7/12
Lunch Outside
12Jan: 12% viability
12
25Feb: 25% viability
25
53Mar: 53% viability
53
71Apr: 71% viability
71
75May: 75% viability
75
82Jun: 82% viability
82
76Jul: 76% viability
76
73Aug: 73% viability
73
81Sep: 81% viability
81
70Oct: 70% viability
70
43Nov: 43% viability
43
12Dec: 12% viability
12
56%
Cold
12/12
Walking
95
95Jan: 95% viability
95
92Feb: 92% viability
92
98Mar: 98% viability
98
98Apr: 98% viability
98
98May: 98% viability
98
94Jun: 94% viability
94
93Jul: 93% viability
93
86Aug: 86% viability
86
95Sep: 95% viability
95
99Oct: 99% viability
99
98Nov: 98% viability
98
95Dec: 95% viability
95
12/12
Walking
95Jan: 95% viability
95
92Feb: 92% viability
92
98Mar: 98% viability
98
98Apr: 98% viability
98
98May: 98% viability
98
94Jun: 94% viability
94
93Jul: 93% viability
93
86Aug: 86% viability
86
95Sep: 95% viability
95
99Oct: 99% viability
99
98Nov: 98% viability
98
95Dec: 95% viability
95
95%
12/12
Running
95
95Jan: 95% viability
95
92Feb: 92% viability
92
98Mar: 98% viability
98
98Apr: 98% viability
98
98May: 98% viability
98
94Jun: 94% viability
94
93Jul: 93% viability
93
86Aug: 86% viability
86
95Sep: 95% viability
95
99Oct: 99% viability
99
98Nov: 98% viability
98
95Dec: 95% viability
95
12/12
Running
95Jan: 95% viability
95
92Feb: 92% viability
92
98Mar: 98% viability
98
98Apr: 98% viability
98
98May: 98% viability
98
94Jun: 94% viability
94
93Jul: 93% viability
93
86Aug: 86% viability
86
95Sep: 95% viability
95
99Oct: 99% viability
99
98Nov: 98% viability
98
95Dec: 95% viability
95
95%
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ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025