Kaunas weather in June
June in Kaunas: nice, a little rain, with clean air — one of the best months to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#2 of 12 months in Kaunas · #182 of 1413 destinations to visit in June · comfort 91/100 (tier S)
- Days
- 23°C
- Nights
- 12°C
- Wet days
- 11
- Sun
- 12.5 h
- Humidity
- 68%
- Daylight
- 17 h
Traveller notes on Kaunas in June
Kaunas forum regulars, drawing on the same regional conversation as Vilnius, call early June warm and pleasant, with typical readings “between 18°C-28°C,” though sometimes it's unexpectedly cold, sometimes hot year to year — genuine variability rather than a single reliable number. Summer overall gets rated the best season to visit, with the high 20s to low 30s not uncommon at the warmer end. Kaunas's own draw beyond the weather: Laisvės Alėja, the 1.6km pedestrianised main street, along with the Devil's Museum, the Čiurlionis art gallery, the 9th Fort and Pažaislis Monastery, plus riverside beaches reachable by bus or bike along the Nemunas. Our record: 23.8°C days, 14.1°C nights, 10.6 rain days and 12.7 hours of sun — warm and sunny, sitting in the middle of the “18-28°C, some years hotter” range forums describe.
Other months in Kaunas
Forum posters describe December in Kaunas as capable of being very wintry, rainy and freezing, with temperatures typically hovering around 0C, though posters note a genuinely lucky sunny day is possible too. Posters consistently recommend thermal layers, a hat, scarf and gloves as standard preparation. Posters describe early December in some years as still more autumn-like than winter, with little or no snow yet, while days themselves are at their shortest of the year regardless. Posters generally recommend pairing a Kaunas visit with Vilnius, noting Christmas decorations typically go up ahead of the holidays and stay festive into early January. Posters generally rate December as cold and genuinely variable, workable with proper winter gear.
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Kaunas climate normals — June
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Kaunas in June
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyJoninės, Midsummer, school holidays in 4 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Kaunas's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherKaunas's weather peaks June–August.
June includes Pazaislis Music Festival.
Best weatherFair weatherToughest weather
What's on in Kaunas in June
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Festival
Pazaislis Music Festival
1 Jun – 31 Aug · usuallyClassical concerts through the whole summer, the best of them in the baroque monastery courtyard on the reservoir edge. Bring something warm; the evening ones are outdoors and Lithuania cools off fast. Source ↗
- Festival
Operetta at Kaunas Castle
1 Jun – 31 Jul · usuallyMusic festivalOpen-air operetta staged against the round tower of the castle in June and July, on the nights it is not raining. Half the audience is local and treats it as a picnic. Source ↗
- Holiday
Joninės, Midsummer
23–24 JunNational holidayCrowdedClosuresSt John's Day on 24 June is a public holiday, and the night before is Lithuanian Midsummer: bonfires, flower wreaths and singing by rivers, lakes and the sea until dawn. Many people leave town, and shops and offices close on the 24th. Source ↗
Nearby, and something's on
Within 300 km of Kaunas — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Kaunas?
Kaunas in June — FAQ
- Is June a good time to visit Kaunas?
- June in Kaunas: nice, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Kaunas on SeasonMap's comfort score (91/100).
- What is the weather like in Kaunas in June?
- In June, Kaunas averages a daily high of 23.2°C and a low of 12.1°C, with about 68.1 mm of rain over roughly 11.1 rainy days.
- What is the air quality in Kaunas in June?
- Kaunas has a mean US Air Quality Index of about 46 in June.
Within 300 km: Riga's Riga Opera Festival around 5–25 Jun, and Vilnius' Jonines on 23–24 Jun.