Wedding weather data · Germany
Wedding weather in Cologne
In Cologne, the driest months for a wedding are April and September, when rain falls on about 34% of days. The wettest is December, with rain on about 54% 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 | 52% | 6% | 16.1 | 43°F (6°C) | 34°F (1°C) | 3.7 h/day |
| February | 46% | 7% | 12.9 | 47°F (8°C) | 35°F (2°C) | 5.5 h/day |
| March | 45% | 6% | 14.1 | 52°F (11°C) | 38°F (3°C) | 7.2 h/day |
| April | 38% | 4% | 11.5 | 58°F (15°C) | 41°F (5°C) | 9.5 h/day |
| May ✦ | 39% | 5% | 12.2 | 66°F (19°C) | 49°F (9°C) | 11 h/day |
| June | 39% | 8% | 11.8 | 74°F (23°C) | 57°F (14°C) | 11.3 h/day |
| July ✦ | 40% | 5% | 12.4 | 76°F (24°C) | 59°F (15°C) | 11.3 h/day |
| August ✦ | 39% | 6% | 12.2 | 76°F (25°C) | 60°F (16°C) | 10.6 h/day |
| September | 34% | 10% | 10.3 | 69°F (21°C) | 54°F (12°C) | 9.2 h/day |
| October | 43% | 5% | 13.3 | 60°F (16°C) | 48°F (9°C) | 5.9 h/day |
| November | 49% | 7% | 14.6 | 50°F (10°C) | 41°F (5°C) | 4.5 h/day |
| December | 54% | 5% | 16.7 | 46°F (8°C) | 37°F (3°C) | 3.1 h/day |
Source: Open-Meteo Historical Weather API (ERA5 reanalysis), daily data 2015–2024 for 50.94, 6.96. Rainy day ≥ 1 mm, heavy rain ≥ 10 mm. Climatology, not a forecast.
Best months for a wedding in Cologne
Weighing low rain odds with comfortable temperatures (roughly 18–29 °C / 65–84 °F highs), the best months for an outdoor wedding in Cologne are May, July, and August.
When to be careful
December is the wettest month in Cologne: rain falls on about 54% of days, and 5% 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.
Cologne weather month by month
What a wedding day in Cologne usually looks like in each month, from 10 years of daily weather records.
Cologne weather in January
In January, it rains (1 mm or more) on 52% of days in Cologne, about 16.1 days in the month, and 6% of days bring heavy rain. Typical highs are 43°F (6°C), lows 34°F (1°C), with around 3.7 hours of sunshine a day. One of the wettest months here: plan a covered ceremony or a tent from the start.
Cologne weather in February
In February, it rains (1 mm or more) on 46% of days in Cologne, about 12.9 days in the month, and 7% of days bring heavy rain. Typical highs are 47°F (8°C), lows 35°F (2°C), with around 5.5 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Cologne weather in March
In March, it rains (1 mm or more) on 45% of days in Cologne, about 14.1 days in the month, and 6% of days bring heavy rain. Typical highs are 52°F (11°C), lows 38°F (3°C), with around 7.2 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Cologne weather in April
In April, it rains (1 mm or more) on 38% of days in Cologne, about 11.5 days in the month, and 4% of days bring heavy rain. Typical highs are 58°F (15°C), lows 41°F (5°C), with around 9.5 hours of sunshine a day. One of the driest months here: a good bet for an outdoor ceremony.
Cologne weather in May
In May, it rains (1 mm or more) on 39% of days in Cologne, about 12.2 days in the month, and 5% of days bring heavy rain. Typical highs are 66°F (19°C), lows 49°F (9°C), with around 11 hours of sunshine a day. One of the driest months here: a good bet for an outdoor ceremony.
Cologne weather in June
In June, it rains (1 mm or more) on 39% of days in Cologne, about 11.8 days in the month, and 8% of days bring heavy rain. Typical highs are 74°F (23°C), lows 57°F (14°C), with around 11.3 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Cologne weather in July
In July, it rains (1 mm or more) on 40% of days in Cologne, about 12.4 days in the month, and 5% of days bring heavy rain. Typical highs are 76°F (24°C), lows 59°F (15°C), with around 11.3 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Cologne weather in August
In August, it rains (1 mm or more) on 39% of days in Cologne, about 12.2 days in the month, and 6% of days bring heavy rain. Typical highs are 76°F (25°C), lows 60°F (16°C), with around 10.6 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Cologne weather in September
In September, it rains (1 mm or more) on 34% of days in Cologne, about 10.3 days in the month, and 10% of days bring heavy rain. Typical highs are 69°F (21°C), lows 54°F (12°C), with around 9.2 hours of sunshine a day. One of the driest months here: a good bet for an outdoor ceremony.
Cologne weather in October
In October, it rains (1 mm or more) on 43% of days in Cologne, about 13.3 days in the month, and 5% of days bring heavy rain. Typical highs are 60°F (16°C), lows 48°F (9°C), with around 5.9 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Cologne weather in November
In November, it rains (1 mm or more) on 49% of days in Cologne, about 14.6 days in the month, and 7% of days bring heavy rain. Typical highs are 50°F (10°C), lows 41°F (5°C), with around 4.5 hours of sunshine a day. One of the wettest months here: plan a covered ceremony or a tent from the start.
Cologne weather in December
In December, it rains (1 mm or more) on 54% of days in Cologne, about 16.7 days in the month, and 5% of days bring heavy rain. Typical highs are 46°F (8°C), lows 37°F (3°C), with around 3.1 hours of sunshine a day. One of the wettest months here: plan a covered ceremony or a tent from the start.
Frequently asked questions
What is the best month to get married in Cologne?
Based on 10 years of weather data, September is the driest month in Cologne, with rain on about 34% of days and average highs around 69°F (21°C). Overall, the best months for an outdoor wedding there are May, July, and August.
What is the rainiest month in Cologne?
December is the rainiest month in Cologne: on average 16.7 days of the month see at least 1 mm of rain, and about 5% of days bring heavy rain.
Will it rain on my wedding day in Cologne?
Nobody can forecast your wedding day months ahead. What history shows is the chance of rain: in May it rains on about 39% of days in Cologne. Check your exact date with our free rain odds tool, then watch the real forecast from about 7 days out.