Boniswil, Aargau Climate
Switzerland
Pop. 1,436 Elev. 464 m / 1,522 ft
TZ: Europe/Zurich (UTC+2) ·
Boniswil sees mild summers peaking at 78°F (26°C) in June, and cold winters that bottom out around 32°F (0°C) in January. Precipitation occurs on roughly 90 days per year (55.9 in / 1419 mm total), with snow on 3 days and 25 in (630 mm) of annual accumulation. The city averages 80 sunny days per year and around 41 thunderstorm days. Nearby lake water reaches 70°F (21°C) in summer.
| Temperature | 26°C (78°F) high | 0°C (32°F) low |
| Feels like | 0°C (32°F) low | |
| Rain | 90 days | 1419 mm (55.9 in) /yr |
| Snow | 3 days | 630 mm (24.8 in) /yr |
| Sky | 80 sunny | 41 stormy |
| Wind | 0.4 m/s (0.9 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, Jun
Sky & Air by Month
Cloud cover (%)
70
Jan 73
Feb 61
Mar 49
Apr 64
May 48
Jun 62
Jul 49
Aug 73
Sep 74
Oct 76
Nov 68
Dec Humidity (%)
83
Jan 85
Feb 71
Mar 67
Apr 69
May 68
Jun 73
Jul 73
Aug 81
Sep 83
Oct 86
Nov 90
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 31 km Zürich Airport (ZRH)
Ski resort 21 km Schafmatt
National park 142 km Nationalpark Schwarzwald
Mountain peak
(1,582 m) 37 km Regenflüeli
Hospital 8 km
Hiking trail 0 km Boniswil - Schloss Hallwil
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 5°C 41°F | 0°C 32°F | 85 mm 3.4 in | 242 mm9.5 in | 4 |
| February | 6°C 43°F | 1°C 33°F | 39 mm 1.6 in | 67 mm2.6 in | 2 |
| March | 11°C 53°F | 3°C 37°F | 67 mm 2.6 in | 21 mm0.8 in | 10 |
| April | 16°C 61°F | 6°C 42°F | 89 mm 3.5 in | — | 14 |
| May | 18°C 64°F | 9°C 48°F | 160 mm 6.3 in | — | 9 |
| June | 26°C 78°F | 15°C 59°F | 109 mm 4.3 in | — | 13 |
| July | 23°C 73°F | 15°C 58°F | 231 mm 9.1 in | — | 7 |
| August | 25°C 76°F | 15°C 59°F | 216 mm 8.5 in | — | 11 |
| September | 19°C 66°F | 11°C 53°F | 198 mm 7.8 in | — | 3 |
| October | 13°C 56°F | 7°C 45°F | 109 mm 4.3 in | — | 1 |
| November | 8°C 46°F | 2°C 36°F | 91 mm 3.6 in | 283 mm11.1 in | 0 |
| December | 5°C 40°F | 1°C 34°F | 25 mm 1.0 in | 19 mm0.7 in | 6 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 4 | 1 |
| February | 2 | 0 |
| March | 10 | 0 |
| April | 14 | 0 |
| May | 9 | 6 |
| June | 13 | 6 |
| July | 7 | 14 |
| August | 11 | 7 |
| September | 3 | 4 |
| October | 1 | 3 |
| November | 0 | 0 |
| December | 6 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 3°C 38°F |
| February | 3°C 37°F |
| March | 4°C 38°F |
| April | 6°C 43°F |
| May | 11°C 51°F |
| June | 18°C 65°F |
| July | 21°C 70°F |
| August | 21°C 70°F |
| September | 18°C 64°F |
| October | 12°C 53°F |
| November | 9°C 48°F |
| December | 5°C 42°F |