Český Těšín weather in May

In May, Český Těšín sees average daytime highs of 18°C and overnight lows near 8°C, with 110 mm of precipitation across 15.8 wet days and about 15.1 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 19°C by the end. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 24 min at the start of May to 15 h 42 min by month's end. Set against the rest of the year, May is Český Těšín's 6th-clearest and 9th-windiest month. For the whole year in context, see Český Těšín's year-round climate.

Daytime high
18°
5th warmest
Overnight low
8th coldest
Precipitation
110 mm
15.8 wet days
Daylight
15 h 06 min
4:07 AM – 7:16 PM
Cloud cover
64%
6th clearest
Wind
10 km/h
9th windiest
Solar energy
4.95 kWh/m²
Travel score
5.0
out of 10

Český Těšín is Czech town.

Air quality
Elevated
PM2.5 20 µg/m³ · 2019
Density
762/km²
people per km²
Founded
1155

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 17°C in the first days to 19°C by the end.

A typical May day in Český Těšín reaches about 18°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)
1177
2177
3177
4177
5177
6177
7177
8177
9177
10178
11178
12178
13178
14188
15188
16188
17188
18188
19188
20188
21189
22189
23189
24199
25199
26199
27199
281910
291910
301910
312010

How May really feels in Český Těšín

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.

Český Těšín weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°6312.79.88.40.0
Feb / -4°6112.29.39.80.0
Mar / -1°6913.16.211.50.9
Apr13° / 6811.72.413.53.6
May18° / 11015.80.115.15.0
Jun21° / 12°115150165.6
Jul23° / 13°13415.9015.76.0
Aug23° / 13°9812.5014.26.5
Sep18° / 9412.3012.45.4
Oct13° / 7211.4110.53.4
Nov / 6411.84.38.80.9
Dec / -3°6212.18.180.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24357
34357
44357
54357
64357
74357
84258
94258
104258
114258
124258
134357
144159
154258
164258
174159
184159
194258
204159
214159
224159
234159
244258
254258
264258
274258
284258
294357
304258
314456

Chance of precipitation in May

Any precipitation

Český Těšín gets around 110 mm of rain and snow over 15.8 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 51% and peaks near 52% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202531
Rain chance (%)
145
246
347
447
548
649
750
850
951
1051
1152
1252
1352
1452
1552
1652
1752
1852
1951
2051
2151
2251
2351
2451
2551
2651
2751
2852
2952
3052
3152

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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29820
39820
49820
59730
69730
79640
89640
99640
109550
119550
129550
139460
149460
159460
169460
179370
189271
199181
209091
219091
2289101
2388111
2486131
2585141
2683152
2782162
2880182
2979192
3077203
3175223

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 24 min at the start of May to 15 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over May. Sunrise moves from 4:32 AM to 3:51 AM, and sunset from 6:54 PM to 7:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:326:54
214.44:306:55
314.54:286:57
414.54:266:58
514.64:247:00
614.64:237:01
714.74:217:03
814.84:197:04
914.84:187:06
1014.94:167:07
1114.94:157:09
1215.04:137:10
1315.04:127:12
1415.14:107:13
1515.14:097:15
1615.14:077:16
1715.24:067:18
1815.24:057:19
1915.34:037:20
2015.34:027:22
2115.44:017:23
2215.44:007:24
2315.53:597:26
2415.53:577:27
2515.53:567:28
2615.63:557:29
2715.63:547:31
2815.63:537:32
2915.73:527:33
3015.73:527:34
3115.73:517:35

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.95 kWh/m².

For context, solar energy here swings from a low near 0.76 kWh/m² to a high of 5.24 kWh/m² in June across the year — May's 4.95 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in May

Is May a good time to visit Český Těšín?

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

5.0
Sightseeing
5th-best month of the year
1.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Český Těšín for sightseeing.

What to pack for Český Těšín in May

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

In May, Český Těšín sees daytime highs around 18°C and nights near 8°C. Pack rain gear. Worth having: sun protection. About 16 days see rain.

rain gearsun protection

UV index in Český Těšín 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 Český Těšín peaks around June 23 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May6High
Jun7Very high
Jul7Very high
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Český Těšín 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 Český Těšín is worst in June — around 24 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 14 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Český Těšín's WHO annual average of 20 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1724 µg/m³Dec 1314 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb19Moderate
Mar22Moderate
Apr23Moderate
May23Moderate
Jun24Moderate
Jul23Moderate
Aug23Moderate
Sep20Moderate
Oct16Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Český Těšín?

Český Těšín sits at 49.7°N, 18.6°E, 275 m above sea level, in Czechia. The nearest listed city is Cieszyn, 1.0 km away.

Topography around Český Těšín

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

Within 3 km, the terrain around Český Těšín has only modest variations in elevation — a maximum elevation change of 123 m around an average of 303 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 817 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,549 m.

The land around Český Těšín is covered by trees (46%), grassland (23%) and artificial surfaces (22%) within 3 km, trees (49%) and grassland (24%) within 16 km, and trees (57%) and cropland (23%) within 80 km.

3 km
123 m
16 km
817 m
80 km
1,549 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Cieszyn 1.0 km · Třinec 8.0 km · Ustroń 13 km · Karviná 13 km · Havířov 14 km · Orlová 18 km · Frýdek-Místek 21 km · Jastrzębie Zdrój 24 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 Český Těšín (49.7461°, 18.6261°, elevation 275 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).