Verdict: Excellent month
Warsaw Weather in August
August hits the sweet spot in Warsaw — highs around 25°C (77°F), ideal for a full day on foot. Expect showers on roughly 13 days of the month — rarely trip-ruining, worth planning around. Overall, August is one of the best months of the year to be in Warsaw.
Average high
25°C / 77°F
Average low
16°C / 61°F
Rain days
~13
Precipitation
100 mm
What to pack for Warsaw in August
- Summer clothes, plus one light layer for air-con and evenings
- Rain gear is non-negotiable — expect rain on roughly 13 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
August against the rest of the year
Warmest in Warsaw: Jul (26°C / 79°F) · Coolest: Jan (3°C / 37°F) · Wettest: Jan (~14 rain days)
3°
-1°
Jan
5°
-1°
Feb
9°
0°
Mar
13°
4°
Apr
19°
9°
May
24°
14°
Jun
26°
16°
Jul
25°
16°
Aug
21°
11°
Sep
14°
7°
Oct
7°
2°
Nov
3°
-1°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)