Luxembourg Luxembourg Weather in June — Climate Guide
June in Luxembourg is very-high
Luxembourg Weather in June — Quick Answer
As of 2026- Avg temp
- 22° / 12°
- Rainfall
- 75mm · 13 days
- Crowds
- Busy
As of 2026, Luxembourg in June averages a high of 22°C and low of 12°C with 75mm of rain over about 13 days. Early summer — daytime 22°C / 72°F, nighttime 12°C / 54°F. T-shirt + light layers (sunny days warm + evenings cool). Sunglasses + hat + sunscreen + walking-comfortable shoes. Year's longest daylight (sunset 21:30 late June) supports late-evening Old Town walks.
June is very-high for Luxembourg.
June is the year's peak daylight month — sunset 21:30 in late June supports 18:00-21:30 atmospheric Old Town walks + Mosel valley winery sunset dinners + canyon-city sunset photography from the Bock Promontory.
Luxembourg National Day (June 23) is the country's biggest annual celebration — Grand Duke Henri's birthday + free fireworks + free public concerts + military parade + Grand Ducal Palace open ceremonies. Hotel rates surge +25-35% June 22-24 — book 4-6 weeks ahead.
Travel score
Year's longest daylight + Luxembourg National Day + Mosel valley sunset cruises
June Weather at a Glance
June averages 72°F / 22°C highs and 54°F / 12°C lows with 13 rainy days and 75mm of rain. Humidity 70%, UV 6, sunshine 8 hours. Year's longest daylight (sunset 21:30 late June).
June Travel Advice
Book 4-6 weeks ahead for National Day weekend (June 23). Mosel valley sunset cruises 2-3 weeks ahead. Bring light layers for atmospheric 21:30 sunset walks (cooler evenings).
June Pricing Trends
High pricing with National Day surge: boutique EUR 190-300/night / $205-324, 4-star EUR 250-400 / $270-432, 5-star EUR 340-580 / $367-626. National Day weekend +25-35%.
Luxembourg June Weather Stats
Avg High
22°C
Avg Low
12°C
Rainy Days
13
75mm total
Sunshine
8h
Daily avg
Humidity
70%
comfortable
UV Index
6
High
Wind
10 km/h
Gusts 22
Sea Temp
15°C
swimming hotel pools
Crowds
Busy
At attractions
June Sunrise & Sunset
Air Quality
PM2.5
16 μg/m³
PM10
28 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
22°C
Nighttime
12°C
Humidity and wind affect how the actual temperature feels.
Wind
10 km/h
Max gust 22 km/h
Activities Recommended for June
June Travel Pros & Cons
Pros
- Year's longest daylight + atmospheric evening walks
- Luxembourg National Day (June 23) — fireworks + free concerts + Grand Ducal celebrations
- Mosel valley sunset cruises + summer festivals
- Warm but rarely hot — outdoor sightseeing comfortable
- Café terrace season at peak
Cons
- National Day weekend (+25-35% hotel surge)
- Business midweek +30-50% surge continues
- 13 rainy days/month — afternoon thunderstorm contingency
- Crowds at meaningful summer increase
June Events & Festivals
- Year's longest daylight (sunset 21:30 late June)
- Mosel valley vineyards in full bloom + summer concerts begin
- Luxembourg National Day (June 23) — fireworks + free concerts + Grand Ducal celebrations
- Schueberfouer prep + summer festival circuit
Luxembourg in June — Full Picture
June is the year's peak daylight month — sunset 21:30 in late June supports 18:00-21:30 atmospheric Old Town walks + Mosel valley winery sunset dinners + canyon-city sunset photography from the Bock Promontory.
Luxembourg National Day (June 23) is the country's biggest annual celebration — Grand Duke Henri's birthday + free fireworks + free public concerts + military parade + Grand Ducal Palace open ceremonies. Hotel rates surge +25-35% June 22-24 — book 4-6 weeks ahead.
The Mosel valley sunset cruises (Princesse Marie-Astrid + MS Vinifera) run weekend evening cruises (EUR 35-65 / $38-70 per person, 2-3 hours, Crémant + dinner included) — the canonical June anniversary + special-occasion experience.
Warm but rarely hot (22°C / 72°F peak) makes June canonical for outdoor sightseeing.
What to Wear & What to Pack
Early summer — daytime 22°C / 72°F, nighttime 12°C / 54°F. T-shirt + light layers (sunny days warm + evenings cool). Sunglasses + hat + sunscreen + walking-comfortable shoes. Year's longest daylight (sunset 21:30 late June) supports late-evening Old Town walks.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
14°C
5.7°C
13.3/mo
Summer (Jun·Jul·Aug)
Current23.3°C
13.3°C
12.3/mo
Autumn (Sep·Oct·Nov)
14°C
7°C
13.7/mo
Winter (Dec·Jan·Feb)
5°C
-0.3°C
16.3/mo
Luxembourg Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 4° | -1° | 17d·80mm | 1.5h | 85% | 1 | Quiet | Low season | |
| 6° | 0° | 15d·65mm | 2.5h | 80% | 2 | Quiet | Low season | |
| 10° | 3° | 14d·65mm | 4h | 75% | 3 | Quiet | Shoulder | |
| 14° | 5° | 13d·60mm | 5.5h | 70% | 4 | Moderate | Shoulder | |
| May (Best) | 18° | 9° | 13d·65mm | 7h | 70% | 5 | Busy | Peak |
| June (Best) | 22° | 12° | 13d·75mm | 8h | 70% | 6 | Busy | Peak |
| July (Best) | 24° | 14° | 12d·75mm | 8h | 70% | 7 | Busy | Peak |
| August (Best) | 24° | 14° | 12d·75mm | 7.5h | 70% | 6 | Busy | Peak |
| September (Best) | 20° | 11° | 12d·70mm | 6h | 75% | 4 | Busy | Peak |
| 14° | 7° | 13d·70mm | 4h | 80% | 2 | Moderate | Shoulder | |
| 8° | 3° | 16d·80mm | 2h | 85% | 1 | Quiet | Shoulder | |
| 5° | 0° | 17d·85mm | 1.5h | 85% | 1 | Busy | Peak |
View Other Months
Luxembourg June Hotel Picks
Frequently Asked Questions
Is June a good time to visit Luxembourg?
Luxembourg in June is very-high. Tourist crowds are busy and flight/hotel prices are peak.
What's the average temperature in Luxembourg in June?
Luxembourg June averages a high of 22°C and a low of 12°C.
Does it rain much in Luxembourg in June?
Luxembourg June averages 75mm of rainfall over about 13 rainy days.
What should I wear in Luxembourg in June?
Early summer — daytime 22°C / 72°F, nighttime 12°C / 54°F. T-shirt + light layers (sunny days warm + evenings cool). Sunglasses + hat + sunscreen + walking-comfortable shoes. Year's longest daylight (sunset 21:30 late June) supports late-evening Old Town walks.
What time are sunrise and sunset in Luxembourg in June?
Luxembourg June sunrise is 05:25 and sunset is 21:30, with 16h 05min of daylight.
What's the air quality like in Luxembourg in June?
Luxembourg June air quality (AQI) averages 45, rated Good. PM2.5 averages 16μg/m³.
What activities are recommended in Luxembourg in June?
In June, Luxembourg is great for Atmospheric evening Chemin de la Corniche walks (sunset 21:30 late June), Bock + Pétrusse Casemates + Old Town walking, Mosel valley sunset cruise (Princesse Marie-Astrid).
Is June peak season in Luxembourg?
Luxembourg June crowds are busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Luxembourg
View Other Months
Planning a June trip to Luxembourg?
You've checked the weather — next come the budget and the route.
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.