Znojmo weather in May

In May, Znojmo sees average daytime highs of 20°C and overnight lows near 10°C, with 65 mm of rain across 11.5 wet days and about 15 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 21°C by the end. The sky is clear or mostly clear about 24% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of May to 15 h 36 min by month's end. Set against the rest of the year, May is Znojmo's 6th-clearest and 5th-windiest month. For the whole year in context, see Znojmo's year-round climate.

Daytime high
20°
5th warmest
Overnight low
10°
8th coldest
Rainfall
65 mm
11.5 wet days
Daylight
15 hours
4:21 AM – 7:23 PM
Cloud cover
63%
6th clearest
Wind
12 km/h
5th windiest
Solar energy
5.31 kWh/m²
Travel score
6.0
out of 10

Znojmo is town in the Czech Republic.

Air quality
Moderate
PM2.5 14.2 µg/m³ · 2019
Density
535/km²
people per km²
Founded
1226

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 18°C in the first days to 21°C by the end.

A typical May day in Znojmo reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 25°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1188
2188
3198
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
141910
151910
161910
172010
182010
192010
202010
212010
222010
232011
242011
252111
262111
272111
282111
292111
302112
312112

How May really feels in Znojmo

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.

Znojmo 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 / -3°297.44.28.50.0
Feb / -2°236.439.80.1
Mar / 378.31.911.62.0
Apr15° / 408.40.513.44.6
May20° / 10°6511.50156.0
Jun23° / 13°7411.2015.96.6
Jul26° / 15°8212.1015.56.5
Aug25° / 15°7210.2014.26.8
Sep20° / 11°638.6012.46.4
Oct14° / 417.70.210.54.0
Nov / 357.91.48.91.1
Dec / -2°327.62.98.10.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34555
44456
54456
64456
74357
84357
94357
104258
114258
124258
134258
144060
154060
164159
174159
184159
194159
204159
214159
224258
234159
244159
254159
264258
274258
284258
294258
304357
314357

Chance of precipitation in May

Any precipitation

Znojmo gets around 65 mm of rain over 11.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
337
437
537
637
738
838
937
1037
1137
1237
1336
1436
1536
1636
1735
1835
1935
2035
2135
2235
2336
2436
2537
2637
2738
2838
2939
3039
3140

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19820
29820
39730
49730
59730
69640
79640
89640
99550
109550
119550
129460
139460
149460
159370
169370
179280
189190
1990100
2089110
2187121
2286131
2385141
2484151
2582162
2680182
2779192
2877203
2976213
3073234
3171245

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 18 min at the start of May to 15 h 36 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 4:44 AM to 4:05 AM, and sunset from 7:02 PM to 7:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:447:02
214.34:427:03
314.44:417:05
414.54:397:06
514.54:377:08
614.64:367:09
714.64:347:11
814.74:327:12
914.74:317:14
1014.84:297:15
1114.84:287:16
1214.94:267:18
1314.94:257:19
1415.04:237:21
1515.04:227:22
1615.04:217:23
1715.14:197:25
1815.14:187:26
1915.24:177:27
2015.24:167:29
2115.34:157:30
2215.34:137:31
2315.34:127:32
2415.44:117:34
2515.44:107:35
2615.44:097:36
2715.54:087:37
2815.54:077:38
2915.64:067:39
3015.64:067:41
3115.64:057:42

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.31 kWh/m².

For context, solar energy here swings from a low near 0.84 kWh/m² to a high of 5.65 kWh/m² in June across the year — May's 5.31 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Is May a good time to visit Znojmo?

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

6.0
Sightseeing
5th-best month of the year
2.9
Beach & pool
5th-best month of the year

May is a reasonable time to visit Znojmo for sightseeing.

What to pack for Znojmo in May

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

In May, Znojmo sees daytime highs around 20°C and nights near 10°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Znojmo 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 Znojmo peaks around July 12 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 12UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Znojmo 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 Znojmo is worst in June — around 18 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 10 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Znojmo's WHO annual average of 14.2 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1418 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar17Moderate
Apr17Moderate
May17Moderate
Jun18Moderate
Jul16Moderate
Aug15Moderate
Sep13Moderate
Oct12Good
Nov10Good
Dec10Good
Location & terrain

Where is Znojmo?

Znojmo sits at 48.9°N, 16.0°E, 294 m above sea level, in Czechia. The nearest listed city is Třebíč, 42 km away.

TřebíčStockerauBystrcŽabovřeskyBrno středBrnoKrálovo PoleŽidenice

Topography around Znojmo

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

Within 3 km, the terrain around Znojmo has only modest variations in elevation — a maximum elevation change of 183 m around an average of 282 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 359 m; within 80 km, large variations in elevation — a maximum elevation change of 823 m.

The land around Znojmo is covered by trees (36%), cropland (26%) and artificial surfaces (21%) within 3 km, cropland (58%) and trees (28%) within 16 km, and cropland (49%) and trees (35%) within 80 km.

3 km
183 m
16 km
359 m
80 km
823 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Třebíč 42 km · Stockerau 54 km · Bystrc 54 km · Žabovřesky 55 km · Brno střed 55 km · Brno 56 km · Královo Pole 57 km · Židenice 58 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 Znojmo (48.8555°, 16.0488°, elevation 294 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).