Lake Constance · December
Low seasonGermany · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 4° (39°)-3– (27–)11 (52) | 6° (43°)-2– (28–)13 (55) | 11° (52°)2– (36–)19 (66) | 16° (61°)5– (41–)24 (75) | 19° (66°)10– (50–)27 (81) | 24° (75°)14– (57–)31 (88) | 25° (77°)16– (61–)33 (91) | 24° (75°)15– (59–)31 (88) | 20° (68°)11– (52–)27 (81) | 15° (59°)7– (45–)21 (70) | 8° (46°)1– (34–)16 (61) | 5° (41°)-2– (28–)12 (54) |
Ø night, range from coldest to warmest nightØ nightrange | 0° (32°)-7– (19–)6 (43) | 0° (32°)-7– (19–)5 (41) | 2° (36°)-3– (27–)8 (46) | 6° (43°)-1– (30–)12 (54) | 10° (50°)3– (37–)15 (59) | 14° (57°)8– (46–)19 (66) | 15° (59°)10– (50–)19 (66) | 15° (59°)9– (48–)19 (66) | 12° (54°)6– (43–)17 (63) | 8° (46°)2– (36–)12 (54) | 4° (39°)-2– (28–)9 (48) | 1° (34°)-5– (23–)7 (45) |
☀️Sunshine | 2h UV 2 | 4h UV 4 | 6h UV 5 | 6h UV 7 | 6h UV 7 | 7h UV 7 | 7h UV 7 | 6h UV 7 | 5h UV 6 | 4h UV 4 | 2h UV 2 | 2h UV 2 |
🌧Rain Days | 7d56mm (2.2") | 6d46mm (1.8") | 7d54mm (2.1") | 7d63mm (2.5") | 10d100mm (3.9") | 10d108mm (4.2") | 10d107mm (4.2") | 11d122mm (4.8") | 7d70mm (2.8") | 7d63mm (2.5") | 6d52mm (2.1") | 9d66mm (2.6") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Deep off-season — very low prices, but weather conditions are suboptimal.
December is the coldest winter month in Lake Constance — with highs of only 5°C (41°F), it holds little appeal for sun-seekers. Better travel in May, June, July, August, and September.
Temperatures reach a maximum of 5°C (41°F) during the day and drop to 1°C (34°F) at night — warm layers recommended. Peaks reach around 12°C (54°F), the coldest nights around -5°C (23°F) — frost does occur. With 2 sunshine hours per day and 9 rain days (66 mm (2.6 in)), this is one of the cloudier months.
Pack warm clothing and sturdy footwear. Cool temperatures make hiking and cultural trips enjoyable — beaches are off the agenda.
Packing list for Lake Constance in December
- Winter coat
- Thermal clothing and warm layers
- Hat, scarf and gloves
- Warm, waterproof shoes
- Light umbrella or rain poncho
- Travel first-aid kit
Frequently Asked Questions
- Is December a good time to visit Lake Constance?
- No — December is not among the recommended months for Lake Constance (Score: 17/100). Climate conditions are unfavourable. For better conditions, consider May, June, July, August, and September.
- How warm is it in Lake Constance in December?
- In December, Lake Constance sees daily highs of 5°C (41°F). Nights cool to 1°C (34°F), with a daily average of 3°C (37°F). Peaks reach around 12°C (54°F), the coldest nights around -5°C (23°F) — frost does occur.
- How much rain falls in Lake Constance in December?
- In December, Lake Constance receives an average of 66 mm (2.6 in) of rain over 9 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Lake Constance get in December?
- Lake Constance averages 2 sunshine hours per day in December — below the annual average.