| Climate data for Basel (Binningen), elevation: 316 m (1,037 ft), 1991–2020 normals, extremes 1901–present | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 19.0 (66.2) |
22.0 (71.6) |
25.2 (77.4) |
30.5 (86.9) |
33.5 (92.3) |
38.4 (101.1) |
39.0 (102.2) |
38.7 (101.7) |
35.0 (95.0) |
29.6 (85.3) |
21.9 (71.4) |
20.6 (69.1) |
39.0 (102.2) |
| Mean daily maximum °C (°F) | 5.1 (41.2) |
7.1 (44.8) |
11.8 (53.2) |
16.2 (61.2) |
20.0 (68.0) |
23.7 (74.7) |
25.8 (78.4) |
25.3 (77.5) |
20.7 (69.3) |
15.4 (59.7) |
9.2 (48.6) |
5.7 (42.3) |
15.5 (59.9) |
| Daily mean °C (°F) | 2.2 (36.0) |
3.2 (37.8) |
7.0 (44.6) |
10.7 (51.3) |
14.6 (58.3) |
18.2 (64.8) |
20.2 (68.4) |
19.7 (67.5) |
15.4 (59.7) |
11.1 (52.0) |
6.0 (42.8) |
2.9 (37.2) |
10.9 (51.6) |
| Mean daily minimum °C (°F) | −0.5 (31.1) |
−0.1 (31.8) |
2.6 (36.7) |
5.5 (41.9) |
9.5 (49.1) |
13.1 (55.6) |
14.9 (58.8) |
14.8 (58.6) |
11.0 (51.8) |
7.6 (45.7) |
3.2 (37.8) |
0.4 (32.7) |
6.8 (44.2) |
| Record low °C (°F) | −24.2 (−11.6) |
−23.8 (−10.8) |
−14.8 (5.4) |
−6.3 (20.7) |
−2.7 (27.1) |
1.1 (34.0) |
5.1 (41.2) |
3.6 (38.5) |
−1.3 (29.7) |
−5.5 (22.1) |
−11.0 (12.2) |
−20.9 (−5.6) |
−24.2 (−11.6) |
| Average precipitation mm (inches) | 48 (1.9) |
45 (1.8) |
50 (2.0) |
64 (2.5) |
98 (3.9) |
87 (3.4) |
89 (3.5) |
88 (3.5) |
70 (2.8) |
74 (2.9) |
65 (2.6) |
65 (2.6) |
842 (33.1) |
| Average snowfall cm (inches) | 7 (2.8) |
7 (2.8) |
4 (1.6) |
1 (0.4) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
2 (0.8) |
8 (3.1) |
29 (11) |
| Average precipitation days (≥ 1.0 mm) | 9.1 | 8.4 | 8.9 | 9.3 | 11.7 | 10.6 | 10.1 | 10.2 | 8.5 | 10.4 | 10.0 | 11.0 | 118.2 |
| Average snowy days (≥ 1.0 cm) | 2.8 | 2.1 | 1.1 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.7 | 2.3 | 9.3 |
| Average relative humidity (%) | 81 | 76 | 69 | 67 | 71 | 70 | 68 | 71 | 77 | 82 | 83 | 82 | 75 |
| Mean monthly sunshine hours | 64 | 85 | 135 | 167 | 186 | 212 | 235 | 217 | 160 | 107 | 65 | 54 | 1,687 |
| Percent possible sunshine | 28 | 34 | 40 | 45 | 44 | 48 | 54 | 55 | 48 | 36 | 28 | 27 | 43 |
| Source 1: MeteoSwiss[1] | |||||||||||||
| Source 2: KNMI[2] | |||||||||||||
References
- ^ "Climate Normals Basel Binningen (Reference period 1991−2020)" (PDF). Swiss Federal Office of Metreology and Climatology, MeteoSwiss. 4 January 2017. Archived from the original (PDF) on 14 January 2022. Retrieved 13 January 2022.
- ^ "Indices Data - Lugano (Station 239)". KNMI. Retrieved 12 February 2019.