Weather in Warsaw (2023–2025)

1. Temperature Regime

   • Annual average temperature:

     • 2023: 10.7°C

     • 2024: 11.7°C (+1.0°C – warming trend)

     • Q1 2025: 3.0°C (colder than 2024 – 4.3°C)

   • Seasonal anomalies:

     • Winter 2024: Exceptionally warm February (6.2°C vs 1.4°C in 2023).

     • Winter 2025: Cold February (-0.6°C), but warmer March (7.1°C).

     • Summer 2024: Record-hot July (22.1°C) and August (21.4°C).
       Conclusion: Warsaw’s climate is getting warmer but with sharp fluctuations (e.g., February 2025 was colder than average).

2. Precipitation

   • Annual totals:

     • 2023: 574 mm

     • 2024: 528 mm (-8% – drier year)

   • Records:

     • August 2024: 103 mm (yearly peak).

     • September 2023: Only 10 mm (extremely dry).

   • Q1 2025: 60 mm (significantly less than 2024 – 147 mm).
     Trend: Decreasing rainfall but with extreme summer downpours.

3. Cloudiness and Sunshine

   • Annual average cloud cover (0–8 scale):

     • 2023: 5.4

     • 2024: 5.3 (slight improvement).

   • Sunshine hours:

     • 2024: 2,222 hours (+6.5% vs 2023).

     • March 2025: 222 hours (38% more than 2024).
       Key features:

   • Least cloudy in September (3.8 in 2024).

   • Most cloudy in December-January (6.5–7.2).

4. Monthly Comparison (2023–2025)

1. Warsaw Weather Summary:

   • Winters: Milder but with sudden cold snaps (February 2025).

   • Spring: Warmer and sunnier (March 2025 – +222 sunshine hours).

   • Summer: Hotter, with localized heavy rains (August 2024 – 103 mm).

For more information about the weather in Warsaw, see the table below.

Recommendations for Residents and Tourists:

1. Winter: Prepare for temperature swings (-0.6°C to 6.2°C).

2. Summer: Carry an umbrella – expect intense rain.

3. Spring/Fall: Best time to visit – April-May and September (less rain, more sun).

2025 Forecast:

• If trends continue, the year will be warmer than average but with less precipitation.

For precise date-specific forecasts, check IMGW’s service.

a Average values. b Degree of cloudiness: from 0 (sky without clouds) to 8 (sky completely covered with clouds).

Source: data from the Institute of Meteorology and Water Management - National Research Institute.