Louny in Spring
In spring (March, April and May), Louny sees average daytime highs around 14°C and overnight lows near 4°C, with 129 mm of precipitation over about 30 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 6°C in early March to 20°C by late May. The sky is clear or mostly clear about 21% of the time across spring, and the air most often feels dry.
Spring is Louny's 2nd-best season to visit on our travel score. For the whole year in context, see Louny's year-round climate.
- Avg daytime high
- 14°C
- 2nd-warmest season
- Avg overnight low
- 4°C
- Precipitation
- 129 mm
- 30 wet days
- Avg wind
- 11 km/h
- Travel score
- 3.7
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Louny in Spring
Over the season highs climb from about 6°C in early March to 20°C by late May.
A typical spring day in Louny reaches about 14°C and drops to 4°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Louny
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 40 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Louny weather by month
How the three spring months (March, April and May) 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 | 2° / -2° | 31 | 8.7 | 4.2 | 8.3 | 0.0 |
| Feb | 4° / -2° | 25 | 7.1 | 3.1 | 9.7 | 0.0 |
| Mar | 8° / 1° | 36 | 9 | 2.2 | 11.5 | 1.5 |
| Apr | 14° / 4° | 36 | 9 | 0.4 | 13.5 | 4.0 |
| May | 19° / 8° | 57 | 11.5 | 0 | 15.2 | 5.7 |
| Jun | 22° / 12° | 67 | 11.1 | 0 | 16.1 | 6.3 |
| Jul | 24° / 14° | 73 | 11.5 | 0 | 15.7 | 6.7 |
| Aug | 24° / 14° | 64 | 9.8 | 0 | 14.3 | 6.9 |
| Sep | 19° / 10° | 48 | 8.6 | 0 | 12.4 | 6.1 |
| Oct | 13° / 5° | 41 | 8.6 | 0.1 | 10.5 | 3.6 |
| Nov | 7° / 2° | 37 | 8 | 1.3 | 8.8 | 0.8 |
| Dec | 3° / -1° | 35 | 8.8 | 3.9 | 7.9 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 21% of the time across spring.
Chance of precipitation in Spring
Louny gets around 129 mm of rain and snow over 30 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 11 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 36 min in early March to 15 h 48 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 4.2 kWh/m².
Is spring a good time to visit Louny?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Louny.
What to pack for Louny in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Louny sees daytime highs around 14°C and nights near 4°C. Pack a warm layer. Worth having: rain gear and sun protection. About 30 days see rain.
UV index in Louny in Spring
Clear-sky midday UV across spring averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Louny peaks around June 21 at about 7 (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 | 4 | 6 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | Very high | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 4 | Moderate |
| May | 6 | High |
| Jun | 7 | Very high |
| Jul | 7 | High |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 2 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Louny in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Louny is worst in April — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 16 | 16 | 20 | 21 | 18 | 20 | 18 | 19 | 18 | 16 | 15 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 16 | Moderate |
| Mar | 20 | Moderate |
| Apr | 21 | Moderate |
| May | 18 | Moderate |
| Jun | 20 | Moderate |
| Jul | 18 | Moderate |
| Aug | 19 | Moderate |
| Sep | 18 | Moderate |
| Oct | 16 | Moderate |
| Nov | 15 | Moderate |
| Dec | 13 | Moderate |
Where is Louny?
Louny sits at 50.4°N, 13.8°E, 185 m above sea level, in Czechia. The nearest listed city is Žatec, 18 km away.
Topography around Louny
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Louny.
Within 3 km, the terrain around Louny has only modest variations in elevation — a maximum elevation change of 100 m around an average of 207 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 534 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,205 m.
The land around Louny is covered by cropland (60%) within 3 km, cropland (63%) and trees (24%) within 16 km, and trees (47%) and cropland (31%) within 80 km.
Czechia travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 59% of US
- price level, 2025
- GDP per capita
- $35,917
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 0.8
- per 100k, 2023
- Road deaths
- 5.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- High
- EF EPI 582
- 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 Louny (50.357°, 13.7967°, elevation 185 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.