Planning a trip to Dortmund in May? You are in luck! The weather is generally good, with an average maximum temperature of +18°C and approximately 8 sunny days. Just be prepared for some rain, as there are usually around 9 rainy days and 74 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Average weather
☀️
+18°C
Avg. max. temperature
-1°C
Min.
+33°C
Max.
74 mm
Total precipitation
70%
Avg. humidity
2 m/s
Avg. wind
8 ☀️
Sunny Days
14 ⛅️
Cloudy
9 🌦
Rainy
Our opinion: Dortmund has good weather in May.
Average temperature in Dortmund in May
Here are the expected maximum, average and minimum temperatures in Dortmund for May based on the historical data.
Last Year
Historical Data
Going from a maximum of +30°C during the day to a minimum of +5°C during the night, the temperature in May averages around +21°C.
The average maximum temperature goes up 12% by the end of the month, compared with the beginning of the month, from +15°C to +18°C.
Is Dortmund warm or cold in May?
Dortmund is typically mild in May.
Maximum temperatures go up compared to the previous month from +14°C to +18°C. The minimum temperature also goes up from +5°C to +9°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Dortmund:
Climate in Dortmund in May
Dortmund weather looks like this, on average, in May and the surrounding months.
April
May
June
Avg. temperature
+14°C
+18°C
+21°C
Min. temperature
-6°C
-1°C
+2°C
Max. temperature
+28°C
+33°C
+36°C
Rainfall
59 mm
74 mm
82 mm
Wind
2 m/s
2 m/s
2 m/s
Humidity
70%
70%
71%
Air pressure
1013 HPa
1014 HPa
1014 HPa
Sunny days
7
8
6
Cloudy days
15
14
14
Rainy days
8
9
10
Snowy days
0
0
0
May often has better weather than April.It’s getting warmer as May arrives. The average maximum temperature goes up from +14°C to +18°C during the day.Prepare for more rain. Average rainfall goes from 59 mm to 74 mm.Humidity levels don’t change as the month goes on, averaging around 70%.The average wind speed doesn’t change much during May, staying around 2 m/s.The good news is there are likely to be more sunny days in May, from 7 to 8.
June brings much the same weather, it remains good.
Wind speed in Dortmund in May based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Dortmund is gradually increasing during May, going from 1 m/s to 1 m/s over the course of the month.
Rain
Amount of rainfall in mm during May in Dortmund based on historical data.
Last Year
Historical Data
Typically, there is a 68% chance of rain on an average day in May, with total rainfall of approximately 138 mm. The maximum amount of rainfall per day is around 24 mm, which is considered light rain.May is a pretty wet month with over 21 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Dortmund wettest month is July, where a typical day has a 32% chance of precipitation and 89 mm of rainfall per day. April, on the other hand, is the driest month with a mere 27% chance of precipitation and 59 mm of rainfall per day.
How was the weather last May in Dortmund?
This is the weather in Dortmund in May 2023:
1 May
☀️
+15°C
2 May
☀️
+19°C
3 May
☀️
+18°C
4 May
☀️
+18°C
5 May
☀️
+18°C
6 May
☀️
+21°C
7 May
🌧️
+21°C
8 May
☀️
+18°C
9 May
☀️
+24°C
10 May
☀️
+25°C
11 May
☀️
+26°C
12 May
☀️
+20°C
13 May
☀️
+19°C
14 May
☀️
+22°C
15 May
☀️
+25°C
16 May
🌧️
+25°C
17 May
☀️
+22°C
18 May
☀️
+30°C
19 May
☀️
+28°C
20 May
🌧️
+23°C
21 May
☀️
+18°C
22 May
☀️
+22°C
23 May
☀️
+24°C
24 May
🌧️
+17°C
25 May
☀️
+19°C
26 May
☁️
+20°C
27 May
☀️
+18°C
28 May
☀️
+16°C
29 May
🌧️
+13°C
30 May
☀️
+15°C
31 May
☀️
+18°C
In May 2023 Dortmund had 25 sunny days, 1 cloudy days, and 5 rainy days. The average maximum temperature was +21°C, with an absolute maximum of +30°C and a minimum of +13°C. The average humidity was 65%, with a maximum of 94% and a minimum of 38%. The average wind speed was 3 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in May?
Climate Change over Years
This is how Dortmund climate have been changing during last 43 years period.
The climate in Dortmund in May has not changed much over the last 43 years.
The average temperature was the lowest in 1987 (+14°C) and the highest in 2012 (+25°C). The driest year was 1989 with only 16 mm of rainfall, and the wettest year was 1983 with 169 mm.
FAQ
Frequently asked questions about the weather in Dortmund in May:
Is May a good time to visit Dortmund?
May is a really good time to go to Dortmund. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Dortmund.
Can you sunbathe in Dortmund in May?
May has mild temperatures in Dortmund. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Is Dortmund rainy in May?
Dortmund is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Dortmund in May?
Usually, it’s not very sunny in Dortmund in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
Other cities in Germany
Check out the weather for other cities in Germany.
For this page, we’ve looked at the typical weather in Dortmund, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.