June
OK
21.3°C / 13.1°C
18 rain days
mild, very wet
- comfortable temperatures (avg high 21.3°C / 70°F)
Best time to visit Rotterdam
Rotterdam, Netherlands — ranked month by month from data: temperature, rainfall, snow, and peak hazard seasons. Every month has trade-offs — pick what you can tolerate.
Best · June & May
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OK — shoulder months
May
OK
17.6°C / 9.2°C
18 rain days
mild, very wet
April
OK
13.7°C / 5.5°C
17 rain days
cool, very wet
March
OK
10.7°C / 3.4°C
18 rain days
cool, very wet
February
OK
8.1°C / 2.3°C
17 rain days
chilly, very wet
Months to skip
September
Skip
19.6°C / 12.4°C
19 rain days
mild, very wet
- extremely wet (19 rain days)
July
Skip
22.4°C / 14.6°C
22 rain days
warm, very wet
- extremely wet (22 rain days)
August
Skip
22.2°C / 14.6°C
22 rain days
warm, very wet
- extremely wet (22 rain days)
October
Skip
15.4°C / 9.7°C
20 rain days
cool, very wet
- extremely wet (20 rain days)
November
Skip
10.2°C / 5.5°C
21 rain days
cool, very wet
- extremely wet (21 rain days)
December
Skip
8°C / 3.8°C
19 rain days
chilly, very wet
- extremely wet (19 rain days)
January
Skip
6.9°C / 2.5°C
22 rain days
chilly, very wet
- extremely wet (22 rain days)
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.
🇳🇱 Dutch 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
HAH-loh
Thank you
Dank je / Dank u
dank yuh / dank oo
Please
Alstublieft
ahl-stoo-BLEEFT
Yes / No
Ja / Nee
yah / nay
Excuse me
Pardon / Sorry
par-DOHN
Do you speak English?
Spreekt u Engels?
spraykt oo ENG-uls
I don't understand
Ik begrijp het niet
ik buh-GHRYP huht neet
How much?
Hoeveel?
HOO-vayl
The bill, please
De rekening, alstublieft
duh RAY-kun-ing
Water
Water
VAH-tur
Where is…?
Waar is…?
vahr is
Bathroom
Toilet
twah-LET
Help!
Help!
help
Call the police
Bel de politie
bel duh po-LEET-see
I need a doctor
Ik heb een dokter nodig
ik hep un DOK-ter NOH-dikh
I'm allergic to…
Ik ben allergisch voor…
ik ben ah-LEHR-ghees vor
Pronunciations are rough English approximations — they'll get you understood, even if your tones aren't perfect.