This information may change. Always check the official source.Last verified: August 2026 by Ondřej Kadlec
Best time to visit Switzerland
In Zurich: May to September — the months averaging 18–27 °C by day. No other month of the twelve falls inside that band in Zurich.
Switzerland is not one climate. Each reference city below is answered on its own numbers.
Zurich
Jan5°January: 5 °C by day, -2 °C at night, 81 mm of rain
Feb6°February: 6 °C by day, -1 °C at night, 70 mm of rain
Mar10°March: 10 °C by day, 1 °C at night, 80 mm of rain
Apr14°April: 14 °C by day, 4 °C at night, 86 mm of rain
May18°May: 18 °C by day, 9 °C at night, 122 mm of rain, recommended
Jun22°June: 22 °C by day, 13 °C at night, 115 mm of rain, recommended
Jul24°July: 24 °C by day, 15 °C at night, 125 mm of rain, recommended
Aug23°August: 23 °C by day, 15 °C at night, 116 mm of rain, recommended
Sep19°September: 19 °C by day, 11 °C at night, 91 mm of rain, recommended
Oct15°October: 15 °C by day, 8 °C at night, 84 mm of rain
Nov9°November: 9 °C by day, 3 °C at night, 90 mm of rain
Dec5°December: 5 °C by day, 0 °C at night, 95 mm of rain
Warmest
July, 24 °C
Coolest
January, 5 °C
Driest
February, 70 mm
Wettest
July, 125 mm
Geneva
May to September — 18–27 °C by day. No other month of the twelve falls inside that band in Geneva.
Jan5°January: 5 °C by day, -1 °C at night, 115 mm of rain
Feb7°February: 7 °C by day, 0 °C at night, 96 mm of rain
Mar11°March: 11 °C by day, 2 °C at night, 107 mm of rain
Apr15°April: 15 °C by day, 6 °C at night, 102 mm of rain
May19°May: 19 °C by day, 10 °C at night, 138 mm of rain, recommended
Jun23°June: 23 °C by day, 14 °C at night, 112 mm of rain, recommended
Jul25°July: 25 °C by day, 16 °C at night, 118 mm of rain, recommended
Aug25°August: 25 °C by day, 16 °C at night, 111 mm of rain, recommended
Sep20°September: 20 °C by day, 12 °C at night, 100 mm of rain, recommended
Oct16°October: 16 °C by day, 8 °C at night, 106 mm of rain
Nov10°November: 10 °C by day, 3 °C at night, 124 mm of rain
Dec6°December: 6 °C by day, 0 °C at night, 128 mm of rain
Warmest
July, 25 °C
Coolest
January, 5 °C
Driest
February, 96 mm
Wettest
May, 138 mm
Interlaken
June to September — 18–27 °C by day. No other month of the twelve falls inside that band in Interlaken.
Jan5°January: 5 °C by day, -2 °C at night, 125 mm of rain
Feb6°February: 6 °C by day, -2 °C at night, 108 mm of rain
Mar10°March: 10 °C by day, 1 °C at night, 119 mm of rain
Apr13°April: 13 °C by day, 4 °C at night, 131 mm of rain
May17°May: 17 °C by day, 8 °C at night, 197 mm of rain
Jun22°June: 22 °C by day, 12 °C at night, 191 mm of rain, recommended
Jul24°July: 24 °C by day, 14 °C at night, 208 mm of rain, recommended
Aug23°August: 23 °C by day, 15 °C at night, 202 mm of rain, recommended
Sep20°September: 20 °C by day, 11 °C at night, 147 mm of rain, recommended
Oct16°October: 16 °C by day, 7 °C at night, 123 mm of rain
Nov10°November: 10 °C by day, 2 °C at night, 131 mm of rain
Dec6°December: 6 °C by day, -1 °C at night, 133 mm of rain
Warmest
July, 24 °C
Coolest
January, 5 °C
Driest
February, 108 mm
Wettest
July, 208 mm
How this is worked out: a month qualifies when its mean daytime high falls between 18 °C and 27 °C. Where more than five qualify, the answer is the driest run of consecutive qualifying months; where none do, it is the driest three months in a row if the year is hot throughout, or the warmest three if it never gets there. The figures are the thirty-year monthly averages charted below, and they are averages, not a forecast — any single year can miss them by a wide margin.
Zurich
Long-term averages for Zurich: the mean daily high, the mean overnight low and the mean monthly rainfall across 30 years of ERA5 reanalysis data (1995–2024).
DayNight
Show the monthly table
Zurich
Month
Day (°C)
Night (°C)
Rain (mm)
January
5
-2
81
February
6
-1
70
March
10
1
80
April
14
4
86
May
18
9
122
June
22
13
115
July
24
15
125
August
23
15
116
September
19
11
91
October
15
8
84
November
9
3
90
December
5
0
95
Geneva
Long-term averages for Geneva: the mean daily high, the mean overnight low and the mean monthly rainfall across 30 years of ERA5 reanalysis data (1995–2024).
DayNight
Show the monthly table
Geneva
Month
Day (°C)
Night (°C)
Rain (mm)
January
5
-1
115
February
7
0
96
March
11
2
107
April
15
6
102
May
19
10
138
June
23
14
112
July
25
16
118
August
25
16
111
September
20
12
100
October
16
8
106
November
10
3
124
December
6
0
128
Interlaken
Long-term averages for Interlaken: the mean daily high, the mean overnight low and the mean monthly rainfall across 30 years of ERA5 reanalysis data (1995–2024).
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