Děčín weather in May

In May, Děčín sees average daytime highs of 17°C and overnight lows near 8°C, with 68 mm of precipitation across 13.2 wet days and about 15.2 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 20% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of May to 15 h 54 min by month's end. Set against the rest of the year, May is Děčín's 6th-clearest and 8th-windiest month. For the whole year in context, see Děčín's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Precipitation
68 mm
13.2 wet days
Daylight
15 h 18 min
4:21 AM – 7:38 PM
Cloud cover
66%
6th clearest
Wind
10 km/h
8th windiest
Solar energy
5.08 kWh/m²
Travel score
5.1
out of 10

Děčín is town in Ústí nad Labem Region, Czech Republic.

Air quality
Elevated
PM2.5 17.8 µg/m³ · 2019
Density
394/km²
people per km²
Founded
1283

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 19°C by the end.

A typical May day in Děčín reaches about 17°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 24°C. Set against its neighbours, May runs about 5°C warmer than April and about 3°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1166
2166
3166
4166
5166
6167
7177
8177
9177
10177
11177
12177
13177
14177
15177
16178
17178
18188
19188
20188
21188
22188
23188
24189
25189
26199
27199
28199
29199
30199
311910

How May really feels in Děčín

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Děčín weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°4911.67.38.20.0
Feb / -3°389.35.89.70.0
Mar / -1°5111.84.311.50.9
Apr13° / 4410.71.113.53.4
May17° / 6813.20.115.25.1
Jun21° / 11°7912.8016.25.8
Jul23° / 13°9214015.86.2
Aug23° / 13°8212.2014.36.4
Sep18° / 6010.4012.45.5
Oct12° / 5010.30.310.43.0
Nov / 4710.12.78.70.5
Dec / -2°4810.867.80.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33664
43664
53565
63565
73565
83565
93664
103664
113664
123565
133664
143664
153664
163664
173763
183763
193763
203664
213565
223565
233565
243565
253565
263565
273664
283664
293664
303664
313763

Chance of precipitation in May

Any precipitation

Děčín gets around 68 mm of rain and snow over 13.2 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 42% and peaks near 44% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
342
442
543
643
743
843
943
1043
1143
1243
1342
1442
1542
1642
1741
1841
1941
2041
2141
2241
2341
2442
2542
2642
2743
2843
2943
3044
3144

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49910
59910
69910
79910
89820
99820
109820
119820
129820
139820
149730
159730
169730
179640
189640
199550
209550
219460
229370
239280
249190
259190
2690100
2788111
2887121
2986131
3085141
3184151

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 30 min at the start of May to 15 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over May. Sunrise moves from 4:46 AM to 4:04 AM, and sunset from 7:14 PM to 7:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:467:14
214.54:457:16
314.64:437:17
414.64:417:19
514.74:397:21
614.74:377:22
714.84:367:24
814.94:347:25
914.94:327:27
1015.04:317:28
1115.04:297:30
1215.14:277:32
1315.14:267:33
1415.24:247:35
1515.24:237:36
1615.34:217:38
1715.34:207:39
1815.44:187:40
1915.44:177:42
2015.54:167:43
2115.54:147:45
2215.54:137:46
2315.64:127:47
2415.64:117:49
2515.74:107:50
2615.74:097:51
2715.84:087:53
2815.84:077:54
2915.84:067:55
3015.94:057:56
3115.94:047:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.08 kWh/m².

For context, solar energy here swings from a low near 0.68 kWh/m² to a high of 5.31 kWh/m² in June across the year — May's 5.08 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Is May a good time to visit Děčín?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.1
Sightseeing
5th-best month of the year
1.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit Děčín for sightseeing.

What to pack for Děčín in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Děčín sees daytime highs around 17°C and nights near 8°C. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

UV index in Děčín in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Děčín peaks around June 20 at about 7 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 20UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr4Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Děčín in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Děčín is worst in April — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Děčín's WHO annual average of 17.8 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1221 µg/m³Dec 1214 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb17Moderate
Mar20Moderate
Apr21Moderate
May19Moderate
Jun21Moderate
Jul19Moderate
Aug19Moderate
Sep18Moderate
Oct15Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Děčín?

Děčín sits at 50.8°N, 14.2°E, 135 m above sea level, in Czechia. The nearest listed city is Ústí nad Labem, 19 km away.

PirnaLitoměřiceTerezínTepliceHeidenauLeuben

Topography around Děčín

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Děčín.

Within 3 km, the terrain around Děčín has significant variations in elevation — a maximum elevation change of 355 m around an average of 243 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 611 m; within 80 km, large variations in elevation — a maximum elevation change of 1,108 m.

The land around Děčín is covered by trees (71%) within 3 km, trees (67%) and grassland (26%) within 16 km, and trees (43%) and cropland (34%) within 80 km.

3 km
355 m
16 km
611 m
80 km
1,108 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Ústí nad Labem 19 km · Česká Lípa 25 km · Pirna 28 km · Litoměřice 28 km · Terezín 30 km · Teplice 32 km · Heidenau 32 km · Leuben 38 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
none 48%believers unaffiliated with a religious society 9%Roman Catholic 7%other believers belonging to a church or religious society 6%

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 Děčín (50.7822°, 14.2148°, elevation 135 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).