Weatheo

Liège Weather by Month

Average temperatures, rainfall and humidity for Liège, Belgium, month by month, built from OpenWeather’s historical records. Use it to see what a typical Liège month looks like before you travel — then check the live Liège forecast for the days ahead.

Warmest month

July

24°C average high

Coolest month

January

1°C average low

Wettest month

July

65 mm of rain

Driest month

October

54 mm of rain

Average temperature and rainfall in Liège by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January6°C1°C-16°C / 15°C
56 mm
88%17 km/h
February8°C2°C-13°C / 20°C
58 mm
83%18 km/h
March11°C3°C-15°C / 24°C
62 mm
75%14 km/h
April15°C5°C-6°C / 28°C
58 mm
70%13 km/h
May19°C9°C0°C / 32°C
64 mm
71%12 km/h
June23°C13°C4°C / 38°C
61 mm
71%12 km/h
July24°C14°C6°C / 40°C
65 mm
70%12 km/h
August24°C14°C6°C / 37°C
55 mm
71%12 km/h
September20°C12°C2°C / 36°C
61 mm
76%12 km/h
October15°C9°C-2°C / 27°C
54 mm
83%14 km/h
November10°C5°C-6°C / 21°C
59 mm
86%16 km/h
December8°C3°C-14°C / 17°C
57 mm
87%17 km/h

Best time to visit Liège

The most comfortable time to visit Liège is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rainfall is spread evenly across the months, totalling about 710 mm a year.

Travellers who prefer heat should aim for July, when highs average 24°C. July is the month to avoid if rain would spoil your plans — it averages 65 mm, roughly 1× the rainfall of the driest month (October).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Liège forecast for what is happening now.