St Gallen weather by month

Check out St Gallen weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in St Gallen (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
2°C maximum daytime temperature in January in St Gallen2
3°C maximum daytime temperature in February in St Gallen3
7°C maximum daytime temperature in March in St Gallen7
12°C maximum daytime temperature in April in St Gallen12
16°C maximum daytime temperature in May in St Gallen16
19°C maximum daytime temperature in June in St Gallen19
22°C maximum daytime temperature in July in St Gallen22
21°C maximum daytime temperature in August in St Gallen21
18°C maximum daytime temperature in September in St Gallen18
12°C maximum daytime temperature in October in St Gallen12
6°C maximum daytime temperature in November in St Gallen6
2°C maximum daytime temperature in December in St Gallen2
Min temperature (night-time)
-4°C minimum night-time temperature in January in St Gallen-4
-3°C minimum night-time temperature in February in St Gallen-3
-1°C minimum night-time temperature in March in St Gallen-1
3°C minimum night-time temperature in April in St Gallen3
7°C minimum night-time temperature in May in St Gallen7
10°C minimum night-time temperature in June in St Gallen10
12°C minimum night-time temperature in July in St Gallen12
12°C minimum night-time temperature in August in St Gallen12
9°C minimum night-time temperature in September in St Gallen9
5°C minimum night-time temperature in October in St Gallen5
1°C minimum night-time temperature in November in St Gallen1
-3°C minimum night-time temperature in December in St Gallen-3
Heat & Humidity
No heat & humidity in January in St Gallen0
No heat & humidity in February in St Gallen0
No heat & humidity in March in St Gallen0
No heat & humidity in April in St Gallen0
No heat & humidity in May in St Gallen0
No heat & humidity in June in St Gallen0
No heat & humidity in July in St Gallen0
No heat & humidity in August in St Gallen0
No heat & humidity in September in St Gallen0
No heat & humidity in October in St Gallen0
No heat & humidity in November in St Gallen0
No heat & humidity in December in St Gallen0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in St Gallen

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in St Gallen9
10 hours of daylight per day in February in St Gallen10
12 hours of daylight per day in March in St Gallen12
14 hours of daylight per day in April in St Gallen14
15 hours of daylight per day in May in St Gallen15
16 hours of daylight per day in June in St Gallen16
15 hours of daylight per day in July in St Gallen15
14 hours of daylight per day in August in St Gallen14
13 hours of daylight per day in September in St Gallen13
11 hours of daylight per day in October in St Gallen11
9 hours of daylight per day in November in St Gallen9
9 hours of daylight per day in December in St Gallen9
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in St Gallen1
UV (maximum) index 2 (Low) in February in St Gallen2
UV (maximum) index 3 (Moderate) in March in St Gallen3
UV (maximum) index 5 (Moderate) in April in St Gallen5
UV (maximum) index 7 (High) in May in St Gallen7
UV (maximum) index 8 (Very High) in June in St Gallen8
UV (maximum) index 8 (Very High) in July in St Gallen8
UV (maximum) index 7 (High) in August in St Gallen7
UV (maximum) index 5 (Moderate) in September in St Gallen5
UV (maximum) index 3 (Moderate) in October in St Gallen3
UV (maximum) index 1 (Low) in November in St Gallen1
UV (maximum) index 1 (Low) in December in St Gallen1

Rainfall in St Gallen

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
15 days with some rainfall in January in St Gallen15
14 days with some rainfall in February in St Gallen14
15 days with some rainfall in March in St Gallen15
16 days with some rainfall in April in St Gallen16
18 days with some rainfall in May in St Gallen18
17 days with some rainfall in June in St Gallen17
17 days with some rainfall in July in St Gallen17
18 days with some rainfall in August in St Gallen18
13 days with some rainfall in September in St Gallen13
12 days with some rainfall in October in St Gallen12
15 days with some rainfall in November in St Gallen15
15 days with some rainfall in December in St Gallen15
Average monthly rainfall (mm)
61 mm monthly rainfall in January in St Gallen61
58 mm monthly rainfall in February in St Gallen58
59 mm monthly rainfall in March in St Gallen59
83 mm monthly rainfall in April in St Gallen83
108 mm monthly rainfall in May in St Gallen108
126 mm monthly rainfall in June in St Gallen126
132 mm monthly rainfall in July in St Gallen132
128 mm monthly rainfall in August in St Gallen128
94 mm monthly rainfall in September in St Gallen94
70 mm monthly rainfall in October in St Gallen70
81 mm monthly rainfall in November in St Gallen81
62 mm monthly rainfall in December in St Gallen62

More about St Gallen

St Gallen by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Switzerland (St Gallen) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in St Gallen?

St Gallen has a cold climate with warm summers and some rainfall in all months.

St Gallen weather in January

Expect daytime maximum temperatures of 2°C in St Gallen, Switzerland in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 15 days with some rainfall and typically 61 mm of rainfall in the month, which might fall as snow.

  • 2°C maximum daytime temperature in January in St Gallen2
    2°C max day temperature
  • 2 hours of sunshine per day
  • 15 days with some rainfall in January in St Gallen15
    15 days with some rainfall
  • -4°C minimum night-time temperature in January in St Gallen-4
    -4°C min night temperature
  • 9 hours of daylight per day in January in St Gallen9
    9 hours of daylight per day
  • No heat & humidity in January in St Gallen0
    No heat & humidity
  • 61 mm monthly rainfall in January in St Gallen61
    61 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in St Gallen1
    1 (Low) UV index

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St Gallen weather in February

Expect daytime maximum temperatures of 3°C in St Gallen, Switzerland in February based on long-term weather averages. There are 3 hours of sunshine per day on average with 14 days with some rainfall and typically 58 mm of rainfall in the month, which might fall as snow.

  • 3°C maximum daytime temperature in February in St Gallen3
    3°C max day temperature
  • 3 hours of sunshine per day
  • 14 days with some rainfall in February in St Gallen14
    14 days with some rainfall
  • -3°C minimum night-time temperature in February in St Gallen-3
    -3°C min night temperature
  • 10 hours of daylight per day in February in St Gallen10
    10 hours of daylight per day
  • No heat & humidity in February in St Gallen0
    No heat & humidity
  • 58 mm monthly rainfall in February in St Gallen58
    58 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in February in St Gallen2
    2 (Low) UV index

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St Gallen weather in March

Expect daytime maximum temperatures of 7°C in St Gallen, Switzerland in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 15 days with some rainfall and typically 59 mm of rainfall in the month.

  • 7°C maximum daytime temperature in March in St Gallen7
    7°C max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in March in St Gallen15
    15 days with some rainfall
  • -1°C minimum night-time temperature in March in St Gallen-1
    -1°C min night temperature
  • 12 hours of daylight per day in March in St Gallen12
    12 hours of daylight per day
  • No heat & humidity in March in St Gallen0
    No heat & humidity
  • 59 mm monthly rainfall in March in St Gallen59
    59 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in St Gallen3
    3 (Moderate) UV index

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St Gallen weather in April

Expect daytime maximum temperatures of 12°C in St Gallen, Switzerland in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 83 mm of rainfall in the month.

  • 12°C maximum daytime temperature in April in St Gallen12
    12°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in April in St Gallen16
    16 days with some rainfall
  • 3°C minimum night-time temperature in April in St Gallen3
    3°C min night temperature
  • 14 hours of daylight per day in April in St Gallen14
    14 hours of daylight per day
  • No heat & humidity in April in St Gallen0
    No heat & humidity
  • 83 mm monthly rainfall in April in St Gallen83
    83 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in April in St Gallen5
    5 (Moderate) UV index

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St Gallen weather in May

Expect daytime maximum temperatures of 16°C in St Gallen, Switzerland in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 18 days with some rainfall and typically 108 mm of rainfall in the month.

  • 16°C maximum daytime temperature in May in St Gallen16
    16°C max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in May in St Gallen18
    18 days with some rainfall
  • 7°C minimum night-time temperature in May in St Gallen7
    7°C min night temperature
  • 15 hours of daylight per day in May in St Gallen15
    15 hours of daylight per day
  • No heat & humidity in May in St Gallen0
    No heat & humidity
  • 108 mm monthly rainfall in May in St Gallen108
    108 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in St Gallen7
    7 (High) UV index

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St Gallen weather in June

Expect daytime maximum temperatures of 19°C in St Gallen, Switzerland in June based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 126 mm of rainfall in the month.

  • 19°C maximum daytime temperature in June in St Gallen19
    19°C max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in June in St Gallen17
    17 days with some rainfall
  • 10°C minimum night-time temperature in June in St Gallen10
    10°C min night temperature
  • 16 hours of daylight per day in June in St Gallen16
    16 hours of daylight per day
  • No heat & humidity in June in St Gallen0
    No heat & humidity
  • 126 mm monthly rainfall in June in St Gallen126
    126 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in June in St Gallen8
    8 (Very High) UV index

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St Gallen weather in July

Expect daytime maximum temperatures of 22°C in St Gallen, Switzerland in July based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 132 mm of rainfall in the month.

  • 22°C maximum daytime temperature in July in St Gallen22
    22°C max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in July in St Gallen17
    17 days with some rainfall
  • 12°C minimum night-time temperature in July in St Gallen12
    12°C min night temperature
  • 15 hours of daylight per day in July in St Gallen15
    15 hours of daylight per day
  • No heat & humidity in July in St Gallen0
    No heat & humidity
  • 132 mm monthly rainfall in July in St Gallen132
    132 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in July in St Gallen8
    8 (Very High) UV index

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St Gallen weather in August

Expect daytime maximum temperatures of 21°C in St Gallen, Switzerland in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 18 days with some rainfall and typically 128 mm of rainfall in the month.

  • 21°C maximum daytime temperature in August in St Gallen21
    21°C max day temperature
  • 7 hours of sunshine per day
  • 18 days with some rainfall in August in St Gallen18
    18 days with some rainfall
  • 12°C minimum night-time temperature in August in St Gallen12
    12°C min night temperature
  • 14 hours of daylight per day in August in St Gallen14
    14 hours of daylight per day
  • No heat & humidity in August in St Gallen0
    No heat & humidity
  • 128 mm monthly rainfall in August in St Gallen128
    128 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in St Gallen7
    7 (High) UV index

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St Gallen weather in September

Expect daytime maximum temperatures of 18°C in St Gallen, Switzerland in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 94 mm of rainfall in the month.

  • 18°C maximum daytime temperature in September in St Gallen18
    18°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in September in St Gallen13
    13 days with some rainfall
  • 9°C minimum night-time temperature in September in St Gallen9
    9°C min night temperature
  • 13 hours of daylight per day in September in St Gallen13
    13 hours of daylight per day
  • No heat & humidity in September in St Gallen0
    No heat & humidity
  • 94 mm monthly rainfall in September in St Gallen94
    94 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in St Gallen5
    5 (Moderate) UV index

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St Gallen weather in October

Expect daytime maximum temperatures of 12°C in St Gallen, Switzerland in October based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 70 mm of rainfall in the month.

  • 12°C maximum daytime temperature in October in St Gallen12
    12°C max day temperature
  • 4 hours of sunshine per day
  • 12 days with some rainfall in October in St Gallen12
    12 days with some rainfall
  • 5°C minimum night-time temperature in October in St Gallen5
    5°C min night temperature
  • 11 hours of daylight per day in October in St Gallen11
    11 hours of daylight per day
  • No heat & humidity in October in St Gallen0
    No heat & humidity
  • 70 mm monthly rainfall in October in St Gallen70
    70 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in St Gallen3
    3 (Moderate) UV index

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St Gallen weather in November

Expect daytime maximum temperatures of 6°C in St Gallen, Switzerland in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 15 days with some rainfall and typically 81 mm of rainfall in the month.

  • 6°C maximum daytime temperature in November in St Gallen6
    6°C max day temperature
  • 2 hours of sunshine per day
  • 15 days with some rainfall in November in St Gallen15
    15 days with some rainfall
  • 1°C minimum night-time temperature in November in St Gallen1
    1°C min night temperature
  • 9 hours of daylight per day in November in St Gallen9
    9 hours of daylight per day
  • No heat & humidity in November in St Gallen0
    No heat & humidity
  • 81 mm monthly rainfall in November in St Gallen81
    81 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in November in St Gallen1
    1 (Low) UV index

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St Gallen weather in December

Expect daytime maximum temperatures of 2°C in St Gallen, Switzerland in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 15 days with some rainfall and typically 62 mm of rainfall in the month, which might fall as snow.

  • 2°C maximum daytime temperature in December in St Gallen2
    2°C max day temperature
  • 2 hours of sunshine per day
  • 15 days with some rainfall in December in St Gallen15
    15 days with some rainfall
  • -3°C minimum night-time temperature in December in St Gallen-3
    -3°C min night temperature
  • 9 hours of daylight per day in December in St Gallen9
    9 hours of daylight per day
  • No heat & humidity in December in St Gallen0
    No heat & humidity
  • 62 mm monthly rainfall in December in St Gallen62
    62 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in St Gallen1
    1 (Low) UV index

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More about St Gallen

St Gallen by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Switzerland

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  • Fly direct from the UK to Geneva & Zurich with SWISS
  • Connecting flights to destinations across Europe & beyond

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The climate guide for Switzerland (St Gallen) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Compare St Gallen weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for St Gallen, Switzerland and the UK (London).

Maximum daytime temperature (°C)

St Gallen, Switzerland
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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