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Flensburg Weather in May
Flensburg in May averages 17°C (63°F) during the day and 8°C (46°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Flensburg in May
Rain is expected on roughly 14 days, totalling around 61 mm (2.4 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Flensburg in May
In May, expect moderate temperatures in Flensburg, with highs of 17°C (63°F) and lows of 8°C (46°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Flensburg in May
The month enjoys around 261 hours of sunshine, creating mostly sunny days with good weather conditions.If you prefer enjoying temperate temperatures and rain-free days, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Flensburg Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
17°C (63°F)
Chance of Rain
45%
Precipitation
61 mm (2.4 in)
Rainy days
14 days
Humidity
72% *
Sunshine
261 hours *
Percentage Sunshine
*
* Data from: Skrydstrup, Denmark (50 KM, 31 Miles).
Flensburg Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Flensburg - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Flensburg typically rise from around 14°C (57°F) at the start of May to approximately 17°C (63°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 10°C (50°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Flensburg in May
Browse day-by-day weather records for Flensburg spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Flensburg historical weather extremes in May
Based on weather observations in Flensburg between 1976 and 2026, these are the recorded extremes during May.
- The hottest May day on record in Flensburg reached 27°C (81°F) (May 28, 1999).
- Flensburg experienced its chilliest May day on May 2, 1979, reaching only 4°C (39°F).
- Flensburg registered its coldest May night on May 6, 1979, with temperatures dropping to -3°C (27°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 Flensburg in May
For Flensburg 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Flensburg in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports10/10
Flensburg 3-Day Forecast
More climate data for Flensburg
Temperature Rainfall Sunshine Humidity
See the full Flensburg 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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