30YearWeather
Warsaw, May 9
Warsaw street view during May
Historical Weather Analysis

Warsaw Weather on May 9 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

partly-cloudy-day

18.4°C

High

7.8°C

Low

17%

Rain

🌤️ Feels like 18.4°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

May 9 is generally a great time to visit Warsaw. While there is a slight chance of rain (17%), showers are usually brief. Expect comfortable 18°C weather. As it's peak season for Warsaw, we recommend booking your stay well in advance to secure the best rates.

Currency

PLN

Polish złoty

Language

Polish

Driving

Right side

Connect

Free wi-fi is widespread in Warsaw. Muni...

Safety

High Safety

GPI: 1.552

Warsaw Weather Forecast for May 9

"Mild & Comfortable. Expect average highs of 18.4°C. 17% chance of rain."

What to Wear in Warsaw in May

Based on historical data for May 9, Warsaw typically experiences temperatures between 7.8°C and 18.4°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (17% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Warsaw

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants

Average High

extreme-hot

18.4°C

Daytime Peak

Average Low

extreme-cold

7.8°C

Nighttime Low

Feels Like

partly-cloudy-day

18.4°C

🌤️ Feels accurate

Rain Chance

rain

17%

Avg 1.1mm if it rains

Cloud Cover

cloudy

57%

Overcast

Pressure

pressure

1016.5 hPa

Medium volatility

Warsaw Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

67%Reliable

Based on 10 years of data

Temperature
±4.8°CVariable
Precipitation
9-26%Predictable

Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

4.2Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

03:00 - 09:30

Afternoon

16:00 - 19:00

Time to Sunburn

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?

95Excellent
TemperatureMild
HumidityHumid
WindBreezy

Dew Point

11.5°C

Pleasant

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Poland

Flight Traffic

High

91/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~268

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Warsaw

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

03:52

☀️ Noon

11:33

🌇 Sunset

19:14

⏱️ Daylight

15h 22m

Golden Hour
Morning03:52 - 04:42
18:25 - 19:14Evening

Wind Speed

wind

16 km/h

Gentle breeze

Sunshine

clear-day

11.0 hrs

Direct Sun (Cloud-free)

Humidity

humidity

64%

Slightly humid

Travel Intelligence

Exclusive flight analytics & health data for Warsaw

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Warsaw

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

86/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

85/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1016.5 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
42AQI
Good
PM2.5 Concentration4.6 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Warsaw on May 9 averages 18.4°C with a 17% precipitation probability. Wedding/Outdoor Event Score: 92/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Warsaw Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2018
27.5°C
Coldest
2017
0.8°C
Rainiest
2025
1.8mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (May 9) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Warsaw Worth Visiting on May 9?

Planning a trip to Warsaw on May 9? 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 18.4°C with a 17% historical precipitation risk.

✈️ Travel Logistics: Approximately 268 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 8 vaccinations are recommended for Poland, including COVID-19.

📊 Historical Extremes: The hottest May 9 recorded in the last 30 years saw temperatures hit 27.5°C in 2018, while the coldest dropped to 0.8°C in 2017.

Warsaw Weather FAQ