Luxembourg climate

World Climates covers 1 place in Luxembourg. Luxembourg has a temperate oceanic climate (Köppen Cfb).

Climate of Luxembourg at a glance

The year average in Luxembourg is 10 °C49 °F. The warmest month is July, with an average high of 25 °C77 °F. The coldest is January, with an average low of −2 °C28 °F. About 770 mm30 in of precipitation falls in a year. December is the wettest month and April the driest. By our comfort score, the best months to visit are June–September.

Frequently asked questions

How many places in Luxembourg does this site cover?

World Climates has climate data for one place in Luxembourg: Luxembourg. Its page has monthly averages for temperature, rainfall, humidity and daylight.

What is the warmest month in Luxembourg?

July is the warmest month, with an average high of 25 °C77 °F. January is the coldest, with an average low of −2 °C28 °F.

When does it rain the most in Luxembourg?

December is the wettest month, with about 79 mm3.1 in of precipitation. The yearly total is about 770 mm30 in.

When is the best time to visit Luxembourg?

By our comfort score, the most comfortable months are June–September. The score is based on long-term averages, not on a forecast.

Climate of every place in Luxembourg

Annual averages, 2001–2025
PlaceYearMax highMin lowPrecip.
Luxembourg1025−2770

Year = annual mean temperature; max high = average high of the warmest month; min low = average low of the coldest month; precip. = annual total. Temperatures in °C°F, precipitation in mminches. Sorted by population.

Data: NASA POWER climatology 2001–2025 (MERRA-2 reanalysis, CERES satellite data) — grid-cell averages, not station records. Sources and method.