Chamonix-Mont-Blanc, Rhône-Alpes Climate
France
Pop. 10,614 Elev. 1,044 m / 3,425 ft
TZ: Europe/Paris (UTC+2) ·
Summers in Chamonix-Mont-Blanc are cool, with June highs around 70°F (21°C), while winters are frigid with January lows of 17°F (-8°C). Expect around 80 rainy days annually (44.7 in / 1136 mm total), with snow on 39 days and 253 in (6428 mm) of annual accumulation. The city averages 104 sunny days per year and around 57 thunderstorm days. Nearby lake water reaches 71°F (22°C) in summer.
| Temperature | 21°C (70°F) high | -9°C (17°F) low |
| Feels like | -11°C (13°F) low | |
| Rain | 80 days | 1136 mm (44.7 in) /yr |
| Snow | 39 days | 6428 mm (253.1 in) /yr |
| Sky | 104 sunny | 57 stormy |
| Wind | 0.6 m/s (1.4 mph) avg |
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Explore on the MapMonthly Climate Chart
Sky & Air by Month
Cloud cover (%)
64
Jan 61
Feb 60
Mar 55
Apr 71
May 50
Jun 59
Jul 50
Aug 68
Sep 64
Oct 67
Nov 52
Dec Humidity (%)
72
Jan 73
Feb 70
Mar 69
Apr 74
May 66
Jun 75
Jul 68
Aug 80
Sep 80
Oct 76
Nov 72
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 60 km Annecy Meythet airport (NCY)
Ski resort 2 km Les Planards (Chamonix)
National park 60 km Parc national de la Vanoise (cœur)
Mountain peak
(2,525 m) 3 km Le Brévent
Hospital 2 km Centre hospitalier Chamonix Mont Blanc
Hiking trail 2 km
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 0°C 32°F | -9°C 17°F | 35 mm 1.4 in | 1964 mm77.3 in | 9 |
| February | 2°C 36°F | -8°C 18°F | 10 mm 0.4 in | 523 mm20.6 in | 8 |
| March | 5°C 41°F | -4°C 24°F | 15 mm 0.6 in | 425 mm16.7 in | 10 |
| April | 10°C 51°F | 0°C 31°F | 82 mm 3.2 in | 733 mm28.8 in | 8 |
| May | 12°C 54°F | 3°C 37°F | 194 mm 7.6 in | 63 mm2.5 in | 6 |
| June | 21°C 70°F | 10°C 50°F | 137 mm 5.4 in | — | 10 |
| July | 18°C 64°F | 8°C 46°F | 194 mm 7.6 in | — | 6 |
| August | 20°C 68°F | 9°C 48°F | 124 mm 4.9 in | — | 12 |
| September | 14°C 58°F | 5°C 41°F | 170 mm 6.7 in | 43 mm1.7 in | 8 |
| October | 9°C 49°F | 1°C 34°F | 127 mm 5.0 in | 1107 mm43.6 in | 8 |
| November | 4°C 39°F | -6°C 22°F | 36 mm 1.4 in | 1322 mm52.0 in | 6 |
| December | 1°C 34°F | -8°C 18°F | 13 mm 0.5 in | 249 mm9.8 in | 13 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 9 | 4 |
| February | 8 | 0 |
| March | 10 | 0 |
| April | 8 | 4 |
| May | 6 | 10 |
| June | 10 | 9 |
| July | 6 | 10 |
| August | 12 | 8 |
| September | 8 | 6 |
| October | 8 | 5 |
| November | 6 | 1 |
| December | 13 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 6°C 43°F |
| February | 5°C 41°F |
| March | 5°C 41°F |
| April | 7°C 45°F |
| May | 11°C 53°F |
| June | 17°C 63°F |
| July | 21°C 70°F |
| August | 22°C 71°F |
| September | 19°C 67°F |
| October | 13°C 56°F |
| November | 11°C 51°F |
| December | 7°C 45°F |