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Frankfurt/Main Weather in May
Thinking of visiting Frankfurt/Main in May? Expect pleasant temperatures reaching 20°C (68°F) during the day, dropping to 9°C (48°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Frankfurt/Main in May
Typically, about 15 days will experience rainfall, with an average of 68 mm (2.7 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Frankfurt/Main in May
Weather in Frankfurt/Main is at its excellent in May. Highs reach 20°C (68°F), while nights settle around 9°C (48°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Frankfurt/Main in May
The days are predominantly sunny, with an estimated total of around 213 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Frankfurt/Main.
Frankfurt/Main Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
20°C (68°F)
Chance of Rain
51%
Precipitation
68 mm (2.7 in)
Rainy days
15 days
Humidity
66% *
Sunshine
213 hours *
Percentage Sunshine
45% *
* Data from: Frankfurt, Germany (9 KM, 6 Miles).
Frankfurt/Main Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Frankfurt/Main - and find the best time to visit.
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Frankfurt/Main typically rise from around 18°C (64°F) at the start of May to approximately 21°C (70°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 12°C (54°F).
Average temperatures in May
Historical weather records for Frankfurt/Main in May
Browse day-by-day weather records for Frankfurt/Main spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Frankfurt/Main historical weather extremes in May
Based on weather observations in Frankfurt/Main between 2005 and 2026, these are the recorded extremes during May.
- Frankfurt/Main recorded its highest May temperature of 33°C (91°F) on May 29, 2017.
- The coldest May day was on May 6, 2010, with a maximum of 8°C (46°F).
- The coldest night in May in Frankfurt/Main was on May 4, 2011, with a minimum of 0°C (32°F).
Best Places in Germany in May
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Frankfurt/Main in May
For Frankfurt/Main in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Frankfurt/Main in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque8/10 -
Camping4/10 -
Outdoor sports10/10
Frankfurt/Main 3-Day Forecast
More climate data for Frankfurt/Main
Temperature Rainfall Sunshine Humidity
See the full Frankfurt/Main climate overview or explore weather in Germany.
Popular in May
Where to go in May - average daytime high across popular destinations.
Berlin
20°C (68°F) Düsseldorf20°C (68°F) Hanover19°C (66°F) Munich
20°C (68°F) Cologne20°C (68°F) Hamburg19°C (66°F) Winterberg17°C (63°F) Binz
14°C (57°F) Bucket list
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