Best time to visit Kaunas

Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
I'm comfortable up to 27°C feels-like
22° heat-averse 30° heat-loving

Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.

Saved to this browser. Changes update the strips below.
Recent · 2020-2024
Interest Google Trends 2021-2025 searches, not arrivals (?)
Day · avg daily high (?)
Night · avg overnight low (?)
UV index · On a typical day around midday, UV is about this (?)
123454431
On the sunniest 1 in 10 days, UV reaches this — and even higher
4664
PM2.5 air quality · on a typical day (?)
12121387667881112
On the worst 1 in 10 days, PM2.5 reaches this — and even higher
19192113101191212141821
June 8/10 feels 23°C (+3°C vs 1991-2020) · HCI 84/100
Day 23° · Night 14° 58% humidity 17 km/h wind 12 rain days (108h) 304h sun
Thermal 9
Sky 9
Rain 7
Wind 10

Higher = better, including rain & wind (green = "doesn't hurt the score", not "lots of it").

How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.

Compare with another destination

Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.

Tours in Kaunas

6 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Kaunas).

  1. 1Best of Kaunas: A Modernism and Medieval History Self Guided tour4.91★ (11)from $15
  2. 2Private Kaunas Tour Rumsiskes Museum and Pazaislis Monastery5.00★ (1)9hfrom $255
  3. 3Kaunas Old Town : Private Ghost Tour5.00★ (1)2hfrom $299
  4. 4Kaunas Ninth Fort Museum5.00★ (1)1h 15mfrom $58
  5. 5Tour from Kaunas to Riga via The Hill of Crosses, Rundale, Bauska9hfrom $255
  6. 6Private Vilnius and Trakai Island Castle Tour from Kaunas9hfrom $255

Last refreshed 2026-06-28.

Similar climatesTrakai96% · Vilnius95% · Łódź93%

Other destinations with the most-alike year-round climate to Kaunas (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Kaunas's. Based on the 2020-2024 climatology, not this year's actual weather.

Month-by-month

Month Temp °C Feels °C Rain days Rain h Rain h/day Humidity Wind km/h Sun h UV Interest Score
Jan -3–1 -3 15 196 13.1 84% 22 53 — Quiet 3
Feb -3–3 -2 13 148 11.4 79% 22 91 1 Quiet 4
Mar -1–7 3 9 100 11.1 62% 20 179 2 Quiet 5
Apr 3–12 8 11 141 12.8 60% 21 194 3 Moderate 5
May 7–17 15 11 118 10.7 55% 19 278 4 Moderate 7
Jun 14–23 23 12 108 9.0 58% 17 304 5 Busy 8
Jul 15–24 24 13 129 9.9 59% 18 295 4 Peak 8
Aug 15–24 24 13 134 10.3 62% 16 259 4 Peak 8
Sep 11–19 18 9 87 9.7 64% 18 218 3 Moderate 8
Oct 7–13 10 14 146 10.4 75% 21 126 1 Moderate 5
Nov 2–6 2 12 140 11.7 83% 19 52 — Moderate 3
Dec -2–2 -3 14 155 11.1 85% 20 35 — Quiet 3

UV Index in Kaunas by Month

UV index in Kaunas peaks at 5 (moderate) in June, dropping to 0 (low) in January.

Best months in detail

June

8/10

14–23°C · 12 rain days (108h) · 304 sun hours · 58% humidity · Busy crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 6 (high)

September

8/10

11–19°C (feels 18°C) · 9 rain days (87h) · 218 sun hours · 64% humidity · Moderate crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)

July

8/10

15–24°C · 13 rain days (129h) · 295 sun hours · 59% humidity · Peak crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (moderate)

Every month

Show the other 9 months in detail

January

3/10

-3–1°C (feels -3°C) · 15 rain days (196h) · 53 sun hours · 84% humidity · Quiet crowd

February

4/10

-3–3°C (feels -2°C) · 13 rain days (148h) · 91 sun hours · 79% humidity · Quiet crowd · UV 1 (low)

March

5/10

-1–7°C (feels 3°C) · 9 rain days (100h) · 179 sun hours · 62% humidity · Quiet crowd · UV 2 (low)

April

5/10

3–12°C (feels 8°C) · 11 rain days (141h) · 194 sun hours · 60% humidity · Moderate crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)

May

7/10

7–17°C (feels 15°C) · 11 rain days (118h) · 278 sun hours · 55% humidity · Moderate crowd · UV 4 (moderate)

August

8/10

15–24°C · 13 rain days (134h) · 259 sun hours · 62% humidity · Peak crowd · UV 4 (moderate)

October

5/10

7–13°C (feels 10°C) · 14 rain days (146h) · 126 sun hours · 75% humidity · Moderate crowd · UV 1 (low)

November

3/10

2–6°C (feels 2°C) · 12 rain days (140h) · 52 sun hours · 83% humidity · Moderate crowd

December

3/10

-2–2°C (feels -3°C) · 14 rain days (155h) · 35 sun hours · 85% humidity · Quiet crowd

Frequently asked questions about visiting Kaunas

When is the best time to visit Kaunas?

June is the highest-scoring month (8/10 on the Holiday Climate Index). Typical conditions: 14–23°C (12 rainy days). The top three months by score are June, September, July.

What is the worst time to visit Kaunas?

January is the lowest-scoring month (3/10). Typical conditions: -3–1°C (15 rainy days).

When are crowds lowest in Kaunas?

Search-interest seasonality (Google Trends 2021-2025) is lowest in February and peaks in August. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.

What is the UV index in Kaunas by month?

UV peaks at 5 (moderate) in June and is lowest in January at 0 (low). Monthly peak values: Jan —, Feb 1, Mar 2, Apr 3, May 4, Jun 5, Jul 4, Aug 4, Sep 3, Oct 1, Nov —, Dec —.

What is the UV index in Kaunas in June?

June is the peak UV month in Kaunas, with a daily-peak UV index of 5 (moderate). Standard sun protection — sunglasses and light SPF — is recommended.

How high can UV get in Kaunas on the sunniest days?

Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. June is the worst case: typical days average UV 5 (moderate), but the top 10% of days reach UV 6 (high) — and even higher. Months where the sunniest days routinely exceed the typical reading: April, June, July, September. Plan sun protection for the worst case, not the average.

Is air quality in Kaunas bad for travelers?

PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 5 months: January, February, March, November, December. The worst month is March with a typical-day mean of 13 µg/m³ (moderate); on the worst 10% of days PM2.5 reaches 21 µg/m³ (unhealthy for sensitive) and higher. People with asthma, heart conditions, or sensitive children may want to avoid these months or limit outdoor activity. Source: CAMS via Open-Meteo.