June 25 is generally a great time to visit Rotterdam. While there is a slight chance of rain (24%), showers are usually brief. Expect comfortable 22°C weather. Rotterdam is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Rotterdam
Currency
EUR
€ Euro
Language
Dutch
Driving
Right side
Connect
The telephone country code for the Nethe...
Safety
High Safety
GPI: 1.522
Rotterdam Weather Forecast for June 25
"Mild & Comfortable. Expect average highs of 21.6°C. 24% chance of rain."
What to Wear in Rotterdam in June
Based on historical data for June 25, Rotterdam typically experiences temperatures between 13.5°C and 21.6°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (24% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Rotterdam
Smart Suitcase
- Light Jacket
- Long Pants
Average High
21.6°C
Daytime Peak
Average Low
13.5°C
Nighttime Low
Feels Like
21.9°C
☀️ Feels accurate
Rain Chance
24%
Avg 1.2mm if it rains
Cloud Cover
59%
Overcast
Pressure
1017.1 hPa
Medium volatility
Rotterdam Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 77% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
04:00 - 10:00
16:00 - 21:00
Type I-II
🔴 19 min to burn
Type III-IV
🟡 29 min to burn
Type V-VI
🟢 48 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
16.8°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Netherlands
Flight Traffic
Busy
78/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~29
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Rotterdam
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:24
☀️ Noon
12:45
🌇 Sunset
21:07
⏱️ Daylight
16h 42m
Wind Speed
17.9 km/h
Gentle breeze
Sunshine
12.3 hrs
Direct Sun (Cloud-free)
Humidity
74%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Rotterdam
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Rotterdam
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Rotterdam on June 25 averages 21.6°C with a 24% precipitation probability. Wedding/Outdoor Event Score: 96/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Rotterdam Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (June 25) in other destinations
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📍 Is Rotterdam Worth Visiting on June 25?
Planning a trip to Rotterdam on June 25? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 21.6°C with a 24% historical precipitation risk.
✈️ Travel Logistics: Approximately 29 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Netherlands, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 19.3°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0m.
📊 Historical Extremes: The hottest June 25 recorded in the last 30 years saw temperatures hit 31.8°C in 2019, while the coldest dropped to 8.7°C in 2021.