Luxembourg flagClimate & Weather Guide

Climate zones, seasonal temperatures, rainfall patterns, and best travel times in Luxembourg

Luxembourg features a temperate oceanic climate (Cfb in Köppen-Geiger classification) characterized by mild summers, cool winters, and consistent year-round precipitation influenced by Atlantic westerlies. The small country (2,586 km²) has relatively homogeneous conditions but subtle regional variations between the cooler, higher northern Oesling and milder southern Gutland. Average annual temperatures hover around 9-10°C, with frequent rainfall (800-1000 mm) supporting lush greenery. Residents enjoy four distinct seasons: warm summers rarely exceeding 25°C, chilly but rarely freezing winters, and transitional spring/autumn periods. Sunshine totals about 1600-1700 hours annually, while humidity remains moderate at 75-85%. Ideal for expats seeking stable, green living without extremes, though cloudy days and rain are common year-round.

Summer Average

17-22°C

Winter Average

0-6°C

Climate Types

Oceanic

Annual Rainfall

800-1000 mm

Sunshine Hours

1,600-1,700 hours annually

Average Humidity

75-85%

Regional Climate Variations

Northern Oesling

The northern Oesling region, with its Ardennes highlands and elevations up to 500m, experiences Luxembourg's coolest and wettest climate. Winters are chillier with more frequent frost and occasional snow, while summers remain mild. Annual rainfall often exceeds 900mm, contributing to forested landscapes and higher humidity. Ideal for nature lovers, but prepare for persistent cloud cover and muddier trails in wet seasons. Temperatures rarely drop below -5°C or exceed 25°C, offering comfortable living without harsh extremes.

Summer:16-21°C
Winter:-1-4°C
Moderate rainfall

Cool, lush, and misty with frequent showers; perfect for hiking amid evergreen forests but expect overcast days.

Southern Gutland

Southern Gutland, including the capital Luxembourg City and Moselle Valley, enjoys milder conditions due to lower elevations and sheltering topography. Summers are slightly warmer, winters less severe with rare snow, and the Moselle area benefits from vine-friendly microclimates. Rainfall is steady at 750-900mm, fostering agriculture and vineyards. Expats appreciate the balanced weather for urban living, outdoor cafes, and wine tourism, though drizzle is commonplace even in summer.

Summer:18-23°C
Winter:1-7°C
Moderate rainfall

Mild and green with Atlantic freshness; sunny spells brighten vineyard valleys, though rain keeps everything verdant.

Luxembourg's uniform oceanic climate offers mild temperatures, abundant rainfall, and scenic greenery appealing to expats valuing stability over sun. Subtle north-south differences add variety without extremes, making it family-friendly year-round. Frequent rain and clouds suit those preferring temperate, low-risk weather.