Koper offers a solid outdoor season. 2 months of the year are perfect for all activities. Dinner outside works 6/12 months, while walking is comfortable 11/12 months — impressive.
KoperSlovenia
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Annual
6/12
Dinner Outside
60
24Jan: 24% viability
24
26Feb: 26% viability
26
33Mar: 33% viability
33
59Apr: 59% viability
59
86May: 86% viability
86
96Jun: 96% viability
96
93Jul: 93% viability
93
92Aug: 92% viability
92
87Sep: 87% viability
87
67Oct: 67% viability
67
29Nov: 29% viability
29
25Dec: 25% viability
25
6/12
Dinner Outside
24Jan: 24% viability
24
26Feb: 26% viability
26
33Mar: 33% viability
33
59Apr: 59% viability
59
86May: 86% viability
86
96Jun: 96% viability
96
93Jul: 93% viability
93
92Aug: 92% viability
92
87Sep: 87% viability
87
67Oct: 67% viability
67
29Nov: 29% viability
29
25Dec: 25% viability
25
60%
Cold
4/12
Lunch Outside
60
49Jan: 49% viability
49
64Feb: 64% viability
64
66Mar: 66% viability
66
70Apr: 70% viability
70
57May: 57% viability
57
65Jun: 65% viability
65
57Jul: 57% viability
57
59Aug: 59% viability
59
66Sep: 66% viability
66
63Oct: 63% viability
63
60Nov: 60% viability
60
46Dec: 46% viability
46
4/12
Lunch Outside
49Jan: 49% viability
49
64Feb: 64% viability
64
66Mar: 66% viability
66
70Apr: 70% viability
70
57May: 57% viability
57
65Jun: 65% viability
65
57Jul: 57% viability
57
59Aug: 59% viability
59
66Sep: 66% viability
66
63Oct: 63% viability
63
60Nov: 60% viability
60
46Dec: 46% viability
46
60%
Rain
11/12
Walking
91
96Jan: 96% viability
96
96Feb: 96% viability
96
96Mar: 96% viability
96
98Apr: 98% viability
98
99May: 99% viability
99
91Jun: 91% viability
91
65Jul: 65% viability
65
63Aug: 63% viability
63
95Sep: 95% viability
95
96Oct: 96% viability
96
98Nov: 98% viability
98
96Dec: 96% viability
96
11/12
Walking
96Jan: 96% viability
96
96Feb: 96% viability
96
96Mar: 96% viability
96
98Apr: 98% viability
98
99May: 99% viability
99
91Jun: 91% viability
91
65Jul: 65% viability
65
63Aug: 63% viability
63
95Sep: 95% viability
95
96Oct: 96% viability
96
98Nov: 98% viability
98
96Dec: 96% viability
96
91%
Rain
10/12
Running
86
96Jan: 96% viability
96
96Feb: 96% viability
96
96Mar: 96% viability
96
98Apr: 98% viability
98
98May: 98% viability
98
76Jun: 76% viability
76
46Jul: 46% viability
46
48Aug: 48% viability
48
90Sep: 90% viability
90
96Oct: 96% viability
96
98Nov: 98% viability
98
96Dec: 96% viability
96
10/12
Running
96Jan: 96% viability
96
96Feb: 96% viability
96
96Mar: 96% viability
96
98Apr: 98% viability
98
98May: 98% viability
98
76Jun: 76% viability
76
46Jul: 46% viability
46
48Aug: 48% viability
48
90Sep: 90% viability
90
96Oct: 96% viability
96
98Nov: 98% viability
98
96Dec: 96% viability
96
86%
Heat
Tap any month for details · Click activity name for overview
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025