June to August brings warm weather, outdoor festivals, and animated city squares, though with higher accommodation prices and more tourists.
April-May and September-October offer pleasant temperatures, beautiful spring blooms or autumn colors, with fewer crowds and reasonable prices.
November through March brings chilly temperatures and shorter days, but Christmas markets, fewer tourists, and lower accommodation rates.
Though many Luxembourgers speak English, learning basic French phrases is appreciated as it's commonly used in service industries.
Luxembourg enjoys a temperate climate with mild summers and cool winters. Summer temperatures average 20-25°C, while winter ranges from 0-5°C with occasional snowfall. Spring and autumn are particularly beautiful with moderate temperatures and colorful landscapes. Rain is possible year-round, so packing layers and rain protection is advisable regardless of season.