Jena 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.
JenaGermany
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Annual
4/12
Dinner Outside
37
0Jan: 0% viability
0
0Feb: 0% viability
0
6Mar: 6% viability
6
29Apr: 29% viability
29
62May: 62% viability
62
87Jun: 87% viability
87
87Jul: 87% viability
87
82Aug: 82% viability
82
71Sep: 71% viability
71
22Oct: 22% viability
22
0Nov: 0% viability
0
0Dec: 0% viability
0
4/12
Dinner Outside
0Jan: 0% viability
0
0Feb: 0% viability
0
6Mar: 6% viability
6
29Apr: 29% viability
29
62May: 62% viability
62
87Jun: 87% viability
87
87Jul: 87% viability
87
82Aug: 82% viability
82
71Sep: 71% viability
71
22Oct: 22% viability
22
0Nov: 0% viability
0
0Dec: 0% viability
0
37%
Cold
7/12
Lunch Outside
56
9Jan: 9% viability
9
23Feb: 23% viability
23
53Mar: 53% viability
53
66Apr: 66% viability
66
76May: 76% viability
76
81Jun: 81% viability
81
81Jul: 81% viability
81
75Aug: 75% viability
75
86Sep: 86% viability
86
76Oct: 76% viability
76
38Nov: 38% viability
38
8Dec: 8% viability
8
7/12
Lunch Outside
9Jan: 9% viability
9
23Feb: 23% viability
23
53Mar: 53% viability
53
66Apr: 66% viability
66
76May: 76% viability
76
81Jun: 81% viability
81
81Jul: 81% viability
81
75Aug: 75% viability
75
86Sep: 86% viability
86
76Oct: 76% viability
76
38Nov: 38% viability
38
8Dec: 8% viability
8
56%
Cold
12/12
Walking
94
93Jan: 93% viability
93
89Feb: 89% viability
89
98Mar: 98% viability
98
99Apr: 99% viability
99
99May: 99% viability
99
92Jun: 92% viability
92
91Jul: 91% viability
91
83Aug: 83% viability
83
94Sep: 94% viability
94
98Oct: 98% viability
98
98Nov: 98% viability
98
98Dec: 98% viability
98
12/12
Walking
93Jan: 93% viability
93
89Feb: 89% viability
89
98Mar: 98% viability
98
99Apr: 99% viability
99
99May: 99% viability
99
92Jun: 92% viability
92
91Jul: 91% viability
91
83Aug: 83% viability
83
94Sep: 94% viability
94
98Oct: 98% viability
98
98Nov: 98% viability
98
98Dec: 98% viability
98
94%
12/12
Running
94
93Jan: 93% viability
93
89Feb: 89% viability
89
98Mar: 98% viability
98
99Apr: 99% viability
99
99May: 99% viability
99
92Jun: 92% viability
92
91Jul: 91% viability
91
83Aug: 83% viability
83
94Sep: 94% viability
94
98Oct: 98% viability
98
98Nov: 98% viability
98
98Dec: 98% viability
98
12/12
Running
93Jan: 93% viability
93
89Feb: 89% viability
89
98Mar: 98% viability
98
99Apr: 99% viability
99
99May: 99% viability
99
92Jun: 92% viability
92
91Jul: 91% viability
91
83Aug: 83% viability
83
94Sep: 94% viability
94
98Oct: 98% viability
98
98Nov: 98% viability
98
98Dec: 98% viability
98
94%
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ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025