Switzerland · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Zermatt are June, July and August, when daytime temperatures are agreeable and rainfall is relatively low.
Zermatt sees its warmest weather in July, when daytime highs average around 20°C, and its coolest in January (around 1°C).
Annual precipitation totals roughly 640mm — May is typically the wettest month (~77mm) and February the driest (~30mm).
Rainfall is spread fairly evenly through the year, so no single season is dramatically wetter than the rest.
July is the sunniest month, with about 185 hours of sunshine.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 60 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 1° / -7°C | 42mm | 🤔 Fair |
| February | 2° / -7°C | 30mm | 🤔 Fair |
| March | 6° / -4°C | 33mm | 🤔 Fair |
| April | 10° / -1°C | 40mm | 🤔 Fair |
| May | 14° / 3°C | 77mm | 🤔 Fair |
| June | 18° / 7°C | 70mm | 👍 Good |
| July | 20° / 8°C | 59mm | 🌟 Great |
| August | 20° / 8°C | 68mm | 🌟 Great |
| September | 15° / 5°C | 51mm | 👍 Good |
| October | 11° / 1°C | 57mm | 🤔 Fair |
| November | 5° / -3°C | 65mm | 🤔 Fair |
| December | 2° / -6°C | 47mm | 🤔 Fair |
January in Zermatt is cold, with average daytime highs around 1°C (33°F) and nighttime lows near -7°C (19°F). Expect roughly 42mm of precipitation spread over about 6 rainy days, with little rainfall.
☀️ About 94 hours of sunshine over the month (~3h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf
February in Zermatt is cold, with average daytime highs around 2°C (35°F) and nighttime lows near -7°C (19°F). Expect roughly 30mm of precipitation spread over about 6 rainy days, with little rainfall.
☀️ About 109 hours of sunshine over the month (~4h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf
March in Zermatt is cold, with average daytime highs around 6°C (42°F) and nighttime lows near -4°C (25°F). Expect roughly 33mm of precipitation spread over about 5 rainy days, with little rainfall.
☀️ About 151 hours of sunshine over the month (~5h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf
April in Zermatt is chilly, with average daytime highs around 10°C (50°F) and nighttime lows near -1°C (31°F). Expect roughly 40mm of precipitation spread over about 6 rainy days, with little rainfall.
☀️ About 147 hours of sunshine over the month (~5h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
May in Zermatt is chilly, with average daytime highs around 14°C (57°F) and nighttime lows near 3°C (38°F). Expect roughly 77mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 155 hours of sunshine over the month (~5h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
June in Zermatt is mild, with average daytime highs around 18°C (64°F) and nighttime lows near 7°C (44°F). Expect roughly 70mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 171 hours of sunshine over the month (~6h/day).
🎒 What to pack — light jacket · layers for cool evenings
July in Zermatt is pleasantly warm, with average daytime highs around 20°C (68°F) and nighttime lows near 8°C (47°F). Expect roughly 59mm of precipitation spread over about 9 rainy days, with little rainfall.
☀️ About 185 hours of sunshine over the month (~6h/day).
🎒 What to pack — light layers · comfortable walking shoes
August in Zermatt is pleasantly warm, with average daytime highs around 20°C (67°F) and nighttime lows near 8°C (47°F). Expect roughly 68mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 176 hours of sunshine over the month (~6h/day).
🎒 What to pack — light layers · comfortable walking shoes
September in Zermatt is mild, with average daytime highs around 15°C (60°F) and nighttime lows near 5°C (41°F). Expect roughly 51mm of precipitation spread over about 7 rainy days, with little rainfall.
☀️ About 156 hours of sunshine over the month (~5h/day).
🎒 What to pack — light jacket · layers for cool evenings
October in Zermatt is chilly, with average daytime highs around 11°C (52°F) and nighttime lows near 1°C (35°F). Expect roughly 57mm of precipitation spread over about 7 rainy days, with little rainfall.
☀️ About 133 hours of sunshine over the month (~4h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
November in Zermatt is cold, with average daytime highs around 5°C (41°F) and nighttime lows near -3°C (26°F). Expect roughly 65mm of precipitation spread over about 7 rainy days, with a moderate amount of rain.
☀️ About 89 hours of sunshine over the month (~3h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf
December in Zermatt is cold, with average daytime highs around 2°C (35°F) and nighttime lows near -6°C (21°F). Expect roughly 47mm of precipitation spread over about 7 rainy days, with little rainfall.
☀️ About 83 hours of sunshine over the month (~3h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf