September
Best time
20.5°C / 12.1°C
10 rain days
mild, rainy
- comfortable temperatures (avg high 20.5°C / 69°F)
- manageable rain (10 days)
Best time to visit Düsseldorf
Düsseldorf, Germany — ranked month by month from data: temperature, rainfall, snow, and peak hazard seasons. The standouts: September, June, May.
Best · September & June
About Düsseldorf
Düsseldorf is the capital city of North Rhine-Westphalia, the most populous state of Germany. It is the second-largest city in the state after Cologne and the sixth-largest city in Germany, with a 2024 population of 618,685. Most of Düsseldorf lies on the right bank of the Rhine, and the city has grown together with Neuss, Krefeld, Hilden, Langenfeld, Ratingen, Meerbusch, Dormagen, Erkrath, Solingen and Monheim.
— condensed from Wikipedia
Best months to visit
June
Best time
23°C / 13.7°C
11 rain days
warm, rainy
- comfortable temperatures (avg high 23°C / 73°F)
May
Best time
18.5°C / 9.1°C
12 rain days
mild, rainy
- comfortable temperatures (avg high 18.5°C / 65°F)
July
Best time
24.1°C / 15°C
13 rain days
warm, rainy
- comfortable temperatures (avg high 24.1°C / 75°F)
- warm evenings without humidity overload
August
Best time
23.9°C / 15°C
14 rain days
warm, rainy
- comfortable temperatures (avg high 23.9°C / 75°F)
- warm evenings without humidity overload
October
Best time
15.7°C / 9.1°C
14 rain days
cool, rainy
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OK — shoulder months
April
OK
14.7°C / 5°C
11 rain days
cool, rainy
March
OK
11°C / 2.8°C
13 rain days
cool, rainy
November
OK
10.2°C / 5°C
14 rain days
cool, rainy
February
OK
8.1°C / 1.6°C
13 rain days
chilly, rainy
December
OK
7.3°C / 2.9°C
17 rain days
chilly, very wet
January
OK
6.1°C / 1.4°C
17 rain days
chilly, very wet
How we ranked these
Each month is scored on temperature comfort (18–27°C avg high is the sweet spot), rainfall (more rain days = lower score), snow days, and peak hazard seasons (hurricanes, monsoons, etc.). Green-tier months are within ideal range with no major issues. Yellow are workable but with trade-offs. Red has at least one significant problem — extreme heat or cold, heavy rain, or peak storm season.
🇩🇪 German survival phrases
The 16 phrases that will earn you smiles, food, and help when you need it. English-speaking travellers — start with the first 4 and add the rest as needed.
Hello
Hallo / Guten Tag
HAL-lo / GOO-ten tahk
Thank you
Danke
DAHN-keh
Please
Bitte
BIT-teh
Yes / No
Ja / Nein
yah / nyne
Excuse me
Entschuldigung
ent-SHUL-dee-goong
Do you speak English?
Sprechen Sie Englisch?
SHPREH-khen zee ENG-lish
I don't understand
Ich verstehe nicht
ikh fair-SHTEH-eh nikht
How much?
Wie viel?
vee feel
The bill, please
Die Rechnung, bitte
dee REKH-noong
Water
Wasser
VAH-sehr
Where is…?
Wo ist…?
voh ist
Bathroom
Toilette
twah-LEH-teh
Help!
Hilfe!
HIL-feh
Call the police
Rufen Sie die Polizei
ROO-fen zee dee po-lee-TSYE
I need a doctor
Ich brauche einen Arzt
ikh BROW-kheh AYN-en ARTST
I'm allergic to…
Ich bin allergisch gegen…
ikh bin ah-LEHR-gish GAY-gen
Pronunciations are rough English approximations — they'll get you understood, even if your tones aren't perfect.