Weather in Luxembourg in May 2025
Average weather
Average temperature in Luxembourg in May
The temperature in May is +19°C on average, with a range between a maximum of +24°C during the day and a minimum of +3°C at night.
The average maximum temperature goes up 38% by the end of the month, compared with the beginning of the month, from +16°C to +24°C.
Is Luxembourg warm or cold in May?
Luxembourg is typically mild in May.
Maximum temperatures go up compared to the previous month from +13°C to +18°C. The minimum temperature also goes up from +5°C to +9°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Luxembourg:
Climate in Luxembourg in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +13°C | +18°C | +21°C | ||||
| Min. temperature | ||||||
| -6°C | -1°C | +2°C | ||||
| Max. temperature | ||||||
| +27°C | +32°C | +35°C | ||||
| Rainfall | ||||||
| 59 mm | 74 mm | 73 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 2 m/s | ||||
| Humidity | ||||||
| 67% | 68% | 69% | ||||
| Air pressure | ||||||
| 1014 HPa | 1015 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 7 | 6 | 5 | ||||
| Cloudy days | ||||||
| 6 | 6 | 6 | ||||
| Rainy days | ||||||
| 15 | 16 | 15 | ||||
| Snowy days | ||||||
| 1 | 0 | 0 | ||||
May often has better weather than April. It’s getting warmer as May arrives. The average maximum temperature goes up from +13°C to +18°C during the day. Prepare for more rain. Average rainfall goes from 59 mm to 74 mm. Humidity rises from 67% to 68%. The average wind speed doesn’t change much during May, staying around 3 m/s. The days becoming less sunny, going from 7 sunny days in April to 6 in May.
June brings much the same weather, it remains good.
Wind
The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Luxembourg is gradually increasing during May, going from 2 m/s to 6 m/s over the course of the month.
Rain
How was the weather last May in Luxembourg?
Climate Change over Years
The climate in Luxembourg in May has not changed much over the last 43 years.
The average temperature was the lowest in 1987 (+12°C) and the highest in 2022 (+16°C). The driest year was 1996 with only 511 mm of rainfall, and the wettest year was 2023 with 1315 mm.
FAQ
Is May a good time to visit Luxembourg?
Can you sunbathe in Luxembourg in May?
Is Luxembourg rainy in May?
Is it sunny in Luxembourg in May?
Monthly weather in Luxembourg
Source of the data
For this page, we’ve looked at the typical weather in Luxembourg, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.