Where to Go for Great Weather
When to go · Climate guide

Luxembourgwhen to go

Luxembourg's national averages run from 4 °C in January to 23 °C in August, with rainfall between 62 mm in April and 100 mm in January and 1.4–7.1 hours of sun a day. Against the default preferences (under 2.7 mm of rain a day, at least 6 hours of sun), the strongest months are July, August and June. Its 3 regions span 13–14 °C in annual mean temperature, so the national figure hides a good deal.

Capital
Luxembourg
Region
Europe
TZ
Europe/Luxembourg
Area
2,621 km²
Climate at a glance · 10-year ERA5

A decade of weather, in one page

Temperature°C
Temperature · 12-month climatologyLuxembourg. Average daytime high by month in °C. Lowest in January (4.0), highest in August (23.2). Monthly means: 4.0, 6.6, 9.9, 13.5, 17.6, 22.0, 23.0, 23.2, 19.3, 14.0, 7.9, 5.4.
— daytime high— overnight low▬ typical range
View data table
MonthAverage daytime high (°C)Average overnight low (°C)Typical lowTypical high
January4.0-0.1-7.510.1
February6.60.9-6.213.4
March9.92.2-3.216.8
April13.54.2-1.621.9
May17.68.12.624.7
June22.012.37.329.3
July23.013.29.030.5
August23.213.49.031.5
September19.310.25.127.4
October14.07.42.621.6
November7.93.2-2.313.6
December5.41.6-4.411.3
Rainfallmm
Rainfall · 12-month climatologyLuxembourg. Rainfall by month in mm. Lowest in April (62), highest in January (100). Monthly means: 100, 73, 77, 62, 78, 91, 75, 64, 78, 95, 80, 92.
View data table
MonthRainfall (mm)
January100
February73
March77
April62
May78
June91
July75
August64
September78
October95
November80
December92
Sunshinehr / day
Sunshine · 12-month climatologyLuxembourg. Sunshine hours by month in hr / day. Lowest in December (1.4), highest in June (7.1). Monthly means: 2.0, 3.6, 5.0, 6.8, 6.9, 7.1, 6.9, 6.6, 5.5, 3.4, 2.3, 1.4.
View data table
MonthSunshine hours (hr / day)
January2.0
February3.6
March5.0
April6.8
May6.9
June7.1
July6.9
August6.6
September5.5
October3.4
November2.3
December1.4
Windkm/h
Wind · 12-month climatologyLuxembourg. Average wind speed by month in km/h. Lowest in August (10.1), highest in February (15.5). Monthly means: 15.0, 15.5, 13.9, 12.1, 11.6, 10.5, 10.5, 10.1, 10.8, 13.1, 13.3, 14.3.
— average▬ typical range
View data table
MonthAverage wind speed (km/h)Typical lowTypical high
January15.05.727.2
February15.56.628.6
March13.96.726.1
April12.16.020.0
May11.65.518.4
June10.55.616.9
July10.55.317.8
August10.14.917.2
September10.85.120.8
October13.15.622.6
November13.35.423.7
December14.35.926.2
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Sea surface temperature

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Heat index

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Humidity

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Safety · 3 governments

What the governments say about Luxembourg

Combined advisory · most-cautious-wins
Exercise normal precautions
Highest level across 3 governments · Advisory last changed
See breakdown by country
DE

Exercise normal precautions

Changed Checked www.auswaertiges-amt.de
US

Exercise normal precautions

Changed Checked travel.state.gov
Month by month

A year in Luxembourg, in order

  1. Jan
    January4.0°C · 100 mm · 2.0 hr/day

    Around 4 °C with 100 mm of rain and 2.0 hours of sun a day.

    Around 4 °C with 100 mm of rain and 2.0 hours of sun a day.

  2. Feb
    February6.6°C · 73 mm · 3.6 hr/day

    Around 7 °C with 73 mm of rain and 3.6 hours of sun a day.

    Around 7 °C with 73 mm of rain and 3.6 hours of sun a day.

  3. Mar
    March9.9°C · 77 mm · 5.0 hr/day

    Around 10 °C with 77 mm of rain and 5.0 hours of sun a day.

    Around 10 °C with 77 mm of rain and 5.0 hours of sun a day.

  4. Apr
    April13.5°C · 62 mm · 6.8 hr/day

    Around 14 °C with 62 mm of rain and 6.8 hours of sun a day.

    Around 14 °C with 62 mm of rain and 6.8 hours of sun a day.

  5. May
    May17.6°C · 78 mm · 6.9 hr/day

    Around 18 °C with 78 mm of rain and 6.9 hours of sun a day.

    Around 18 °C with 78 mm of rain and 6.9 hours of sun a day.

  6. Jun
    June22.0°C · 91 mm · 7.1 hr/day

    Around 22 °C with 91 mm of rain and 7.1 hours of sun a day.

    Around 22 °C with 91 mm of rain and 7.1 hours of sun a day.

  7. Jul
    July23.0°C · 75 mm · 6.9 hr/day

    Around 23 °C with 75 mm of rain and 6.9 hours of sun a day.

    Around 23 °C with 75 mm of rain and 6.9 hours of sun a day.

  8. Aug
    August23.2°C · 64 mm · 6.6 hr/day

    Around 23 °C with 64 mm of rain and 6.6 hours of sun a day.

    Around 23 °C with 64 mm of rain and 6.6 hours of sun a day.

  9. Sep
    September19.3°C · 78 mm · 5.5 hr/day

    Around 19 °C with 78 mm of rain and 5.5 hours of sun a day.

    Around 19 °C with 78 mm of rain and 5.5 hours of sun a day.

  10. Oct
    October14.0°C · 95 mm · 3.4 hr/day

    Around 14 °C with 95 mm of rain and 3.4 hours of sun a day.

    Around 14 °C with 95 mm of rain and 3.4 hours of sun a day.

  11. Nov
    November7.9°C · 80 mm · 2.3 hr/day

    Around 8 °C with 80 mm of rain and 2.3 hours of sun a day.

    Around 8 °C with 80 mm of rain and 2.3 hours of sun a day.

  12. Dec
    December5.4°C · 92 mm · 1.4 hr/day

    Around 5 °C with 92 mm of rain and 1.4 hours of sun a day.

    Around 5 °C with 92 mm of rain and 1.4 hours of sun a day.

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