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Chiasso, Switzerland
Full City Profile
8,060
Population
3,749/sq mi density
778 ft
Elevation
237 meters
57°F
Avg Temperature
14°C
Chiasso enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 42°F in January while summers reach 73°F in July. The area gets 282 sunny days per year. Annual precipitation totals 75.4 inches. The area receives 12.8 inches of snow annually.
Temperature
42°F Jan (5°C)
73°F Jul (23°C)
| Annual Average | 57.2°F |
| 6% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 282 days/yr |
Geography
| Elevation | 778 ft (237 m) |
| Area | 2.2 sq mi (5.6 km²) |
| Population Density | 3,749/sq mi |
| Coordinates | 45.8320°N, 9.0312°W |
| Timezone | Europe/Zurich |
Precipitation & Snow
Air Quality
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 95.0 m (312 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1987 | VALTELLINA | Meteorological | 95.0 m | 27 | 118 km |
| 1601 | LAKE LUCERNE | Eruption + Earthquake | 4.0 m | 8 | 115 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | — | 129 km |
| 1868 | LAKE GARDA | Earthquake | — | — | 130 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 3.0 in | |
| February | 39°F (4°C) | 2.3 in | Driest |
| March | 46°F (8°C) | 3.5 in | |
| April | 51°F (11°C) | 4.6 in | |
| May | 60°F (15°C) | 5.8 in | Wettest |
| June | 66°F (19°C) | 5.0 in | |
| July | 73°F (23°C) | 3.9 in | Warmest |
| August | 70°F (21°C) | 4.8 in | |
| September | 63°F (17°C) | 5.2 in | |
| October | 54°F (12°C) | 5.4 in | |
| November | 44°F (6°C) | 3.8 in | |
| December | 37°F (3°C) | 2.5 in | Coldest |
Chiasso has a seasonal temperature swing of 36°F / from 37°F in December to 73°F in July. Total annual precipitation is 49.7 inches, with May being the wettest month (5.8") and February the driest (2.3").