Wedding weather data · Germany
Wedding weather in Lake Constance
In Lake Constance, the driest months for a wedding are March, September, and October, when rain falls on about 38% of days. The wettest is May, with rain on about 52% of days. Here is the full picture, month by month, from 10 years of daily weather records.
Rain odds and temperatures by month
| Month | Chance of a rainy day | Heavy rain | Rainy days | Avg high | Avg low | Sunshine |
|---|---|---|---|---|---|---|
| January | 45% | 8% | 14.1 | 39°F (4°C) | 29°F (-1°C) | 5 h/day |
| February | 40% | 6% | 11.4 | 44°F (7°C) | 31°F (0°C) | 6.4 h/day |
| March | 39% | 6% | 12.1 | 51°F (10°C) | 35°F (2°C) | 8.3 h/day |
| April | 42% | 9% | 12.5 | 58°F (15°C) | 42°F (6°C) | 9.9 h/day |
| May | 52% | 16% | 16 | 65°F (18°C) | 50°F (10°C) | 10.3 h/day |
| June | 48% | 15% | 14.4 | 74°F (23°C) | 59°F (15°C) | 11.8 h/day |
| July | 46% | 12% | 14.3 | 77°F (25°C) | 62°F (17°C) | 12.3 h/day |
| August ✦ | 41% | 13% | 12.8 | 76°F (25°C) | 62°F (17°C) | 10.9 h/day |
| September ✦ | 38% | 10% | 11.5 | 68°F (20°C) | 54°F (12°C) | 9.6 h/day |
| October | 39% | 9% | 12 | 59°F (15°C) | 47°F (8°C) | 7 h/day |
| November | 42% | 7% | 12.6 | 47°F (8°C) | 38°F (3°C) | 4.9 h/day |
| December | 43% | 8% | 13.2 | 41°F (5°C) | 32°F (0°C) | 4.4 h/day |
Source: Open-Meteo Historical Weather API (ERA5 reanalysis), daily data 2015–2024 for 47.66, 9.18. Rainy day ≥ 1 mm, heavy rain ≥ 10 mm. Climatology, not a forecast.
Best months for a wedding in Lake Constance
Weighing low rain odds with comfortable temperatures (roughly 18–29 °C / 65–84 °F highs), the best months for an outdoor wedding in Lake Constance are August and September.
When to be careful
May is the wettest month in Lake Constance: rain falls on about 52% of days, and 16% of days bring heavy rain (10 mm or more). Book a solid backup if you marry then.
How to read these numbers
A "rainy day" is a day with at least 1 mm (0.04 in) of rain. A 30% chance means about 3 in 10 days in that month saw at least a little rain, often a short shower. For your exact date and venue, use our free rain odds tool.
Frequently asked questions
What is the best month to get married in Lake Constance?
Based on 10 years of weather data, September is the driest month in Lake Constance, with rain on about 38% of days and average highs around 68°F (20°C). Overall, the best months for an outdoor wedding there are August and September.
What is the rainiest month in Lake Constance?
May is the rainiest month in Lake Constance: on average 16 days of the month see at least 1 mm of rain, and about 16% of days bring heavy rain.
Will it rain on my wedding day in Lake Constance?
Nobody can forecast your wedding day months ahead. What history shows is the chance of rain: in August it rains on about 41% of days in Lake Constance. Check your exact date with our free rain odds tool, then watch the real forecast from about 7 days out.