Žilina in Summer
In summer (June, July and August), Žilina sees average daytime highs around 21°C and overnight lows near 11°C, with 314 mm of rain over about 44 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 21°C. The sky is clear or mostly clear about 26% of the time across summer, and the air most often feels dry.
Summer is Žilina's best season of the year to visit on our travel score. For the whole year in context, see Žilina's year-round climate.
- Avg daytime high
- 21°C
- warmest season of the year
- Avg overnight low
- 11°C
- Rainfall
- 314 mm
- 44 wet days
- Avg wind
- 8 km/h
- Travel score
- 5.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Žilina in Summer
Across summer, daytime highs hold fairly steady around 21°C.
A typical summer day in Žilina reaches about 21°C and drops to 11°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Žilina
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Žilina weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -0° / -6° | 63 | 12.1 | 10.3 | 8.5 | 0.0 |
| Feb | 2° / -5° | 59 | 11.3 | 9.6 | 9.8 | 0.0 |
| Mar | 6° / -2° | 68 | 12.8 | 7 | 11.6 | 0.6 |
| Apr | 12° / 2° | 67 | 11.7 | 2.7 | 13.4 | 3.1 |
| May | 17° / 7° | 98 | 15.2 | 0.2 | 15.1 | 4.7 |
| Jun | 20° / 10° | 106 | 15.4 | 0 | 15.9 | 5.5 |
| Jul | 22° / 12° | 116 | 16 | 0 | 15.6 | 5.8 |
| Aug | 22° / 12° | 92 | 12.8 | 0 | 14.2 | 6.3 |
| Sep | 17° / 8° | 83 | 12.2 | 0 | 12.4 | 5.1 |
| Oct | 12° / 4° | 69 | 11 | 1.4 | 10.5 | 2.8 |
| Nov | 6° / 0° | 63 | 11.4 | 5.3 | 8.9 | 0.5 |
| Dec | 1° / -4° | 64 | 12.1 | 10.1 | 8.1 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 26% of the time across summer.
Chance of precipitation in Summer
Žilina gets around 314 mm of rain over 44 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 8 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 h 42 min in early June to 13 h 18 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.0 kWh/m².
Is summer a good time to visit Žilina?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Žilina for sightseeing.
What to pack for Žilina in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Žilina sees daytime highs around 21°C and nights near 11°C. Pack rain gear. Worth having: light clothes and sun protection. About 44 days see rain.
UV index in Žilina in Summer
Clear-sky midday UV across summer averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Žilina peaks around July 11 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 6 | 8 | 8 | 7 | 4 | 2 | 1 | 1 |
| Level | Low | Low | Moderate | High | High | Very high | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 2 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Žilina in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Žilina is worst in June — around 23 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 13 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Žilina's WHO annual average of 18.4 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 16 | 17 | 20 | 21 | 21 | 23 | 21 | 21 | 18 | 15 | 14 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 17 | Moderate |
| Mar | 20 | Moderate |
| Apr | 21 | Moderate |
| May | 21 | Moderate |
| Jun | 23 | Moderate |
| Jul | 21 | Moderate |
| Aug | 21 | Moderate |
| Sep | 18 | Moderate |
| Oct | 15 | Moderate |
| Nov | 14 | Moderate |
| Dec | 13 | Moderate |
Where is Žilina?
Žilina sits at 49.2°N, 18.7°E, 347 m above sea level, in Slovakia. The nearest listed city is Rajecke Teplice, 11 km away.
Topography around Žilina
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Žilina.
Within 3 km, the terrain around Žilina has significant variations in elevation — a maximum elevation change of 293 m around an average of 376 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,177 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,023 m.
The land around Žilina is covered by artificial surfaces (40%) and trees (37%) within 3 km, trees (64%) within 16 km, and trees (68%) within 80 km.
Slovakia travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / E / F
- 230 V · 50 Hz
- Prices
- ≈ 58% of US
- price level, 2025
- GDP per capita
- $28,544
- 2025
- Happiness
- 6.3 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.1
- per 100k, 2023
- Road deaths
- 6.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 606
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Žilina (49.2231°, 18.7394°, elevation 347 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.