Climate of Zermatt, Switzerland

Dfc

Köppen-Geiger climate classification: Dfc — Cold, no dry season, cold summer.

Zermatt has a mean annual temperature of 3.0 °C and receives 1016 mm of precipitation per year (1991–2020 climate normals). The warmest month is July with a mean temperature of 12.7 °C, while January is the coldest month at -6.2 °C. Most precipitation falls in May (109 mm); the driest month is February (53 mm).

Climate Diagram

Climate diagram for Zermatt: monthly mean temperature (red line, left axis, °C) and monthly precipitation (blue bars, right axis, mm), 1991–2020 -10 -20 0 0 10 20 20 40 30 60 40 80 50 100 60 120 °C mm J F M A M J J A S O N D

Walter–Lieth diagram: blue bars show monthly precipitation (right axis, mm), the red line shows monthly mean temperature (left axis, °C). Scale: 1 °C ≡ 2 mm.

Climate Table

MonthMean temperature (°C)Precipitation (mm)
January-6.264.3
February-5.452.6
March-1.955.2
April1.471.1
May5.9108.5
June10.1102.7
July12.7100.8
August12.6106.6
September8.790.8
October4.291.9
November-1.394.2
December-5.477.2
Year3.01016.0

Live Forecast

Looking for the current weather instead of climate averages? Open the live forecast diagrams in WZ Diagrams — 15 weather models, ensemble spread, radar and more.

Data Source

Climate normals and Köppen-Geiger classification: Beck et al. (2023), Scientific Data 10, 724, CC BY 4.0. Period 1991–2020. Classification resolution ≈ 1 km; monthly climate data resolution ≈ 1 km (0.01°, Original 2023 release; predates the January 2026 correction), sampled at the grid cell containing the city coordinates (46.02°, 7.75°). Climate normals describe the long-term average, not current weather.