Písek weather in May

In May, Písek sees average daytime highs of 18°C and overnight lows near 8°C, with 71 mm of rain across 12.7 wet days and about 15.1 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 20°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 18 min at the start of May to 15 h 42 min by month's end. Set against the rest of the year, May is Písek's 6th-clearest and 8th-windiest month. For the whole year in context, see Písek's year-round climate.

Daytime high
18°
5th warmest
Overnight low
8th coldest
Rainfall
71 mm
12.7 wet days
Daylight
15 h 06 min
4:27 AM – 7:33 PM
Cloud cover
65%
6th clearest
Wind
10 km/h
8th windiest
Solar energy
5.18 kWh/m²
Travel score
5.5
out of 10

Písek is town in the Czech Republic.

Density
471/km²
people per km²
Founded
1243

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 20°C by the end.

A typical May day in Písek 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 12°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
8178
9178
10188
11188
12188
13188
14188
15188
16188
17188
18189
19189
20189
21199
22199
23199
24199
25199
261910
271910
281910
292010
302010
312010

How May really feels in Písek

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.

Písek 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°389.55.98.40.0
Feb / -3°307.94.29.80.0
Mar / 4611.23.711.51.4
Apr14° / 419.81.113.43.8
May18° / 7112.7015.15.5
Jun21° / 12°7813.3015.96.0
Jul24° / 14°8413.3015.66.4
Aug23° / 13°7711.1014.26.7
Sep18° / 579.4012.45.8
Oct13° / 468.90.410.53.5
Nov / 408.82.28.90.7
Dec / -2°399.44.680.0

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 18% of May, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33862
43862
53961
63961
73862
83862
93862
103862
113862
123862
133862
143862
153862
163862
173862
183862
193862
203862
213862
223862
233862
243862
253862
263862
273862
283961
293961
304060
314060

Chance of precipitation in May

Any precipitation

Písek gets around 71 mm of rain over 12.7 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 41% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
137
237
338
438
538
639
739
840
940
1040
1140
1240
1340
1440
1541
1641
1741
1841
1941
2041
2141
2242
2342
2442
2542
2642
2743
2843
2944
3044
3145

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 94% 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
149820
159730
169730
179640
189550
199550
209460
219370
229280
2390100
2489110
2588120
2687130
2784151
2883161
2982171
3081181
3179192

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 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
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 18 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 84 minutes over May. Sunrise moves from 4:51 AM to 4:11 AM, and sunset from 7:11 PM to 7:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:517:11
214.44:497:12
314.44:477:14
414.54:457:15
514.64:447:17
614.64:427:18
714.74:407:20
814.74:397:21
914.84:377:23
1014.84:367:24
1114.94:347:25
1214.94:327:27
1315.04:317:28
1415.04:307:30
1515.04:287:31
1615.14:277:33
1715.14:257:34
1815.24:247:35
1915.24:237:37
2015.34:227:38
2115.34:207:39
2215.44:197:41
2315.44:187:42
2415.44:177:43
2515.54:167:44
2615.54:157:45
2715.54:147:47
2815.64:137:48
2915.64:127:49
3015.64:117:50
3115.74:117:51

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.18 kWh/m².

For context, solar energy here swings from a low near 0.82 kWh/m² to a high of 5.42 kWh/m² in June across the year — May's 5.18 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Is May a good time to visit Písek?

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

5.5
Sightseeing
5th-best month of the year
1.9
Beach & pool
5th-best month of the year

May is a reasonable time to visit Písek for sightseeing.

What to pack for Písek in May

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

In May, Písek sees daytime highs around 18°C and nights near 8°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

UV index in Písek 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 Písek peaks around June 23 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Písek 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 Písek is worst in April — around 16 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1616 µg/m³Dec 118 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar15Moderate
Apr16Moderate
May15Moderate
Jun16Moderate
Jul14Moderate
Aug14Moderate
Sep12Moderate
Oct10Good
Nov8Good
Dec8Good
Location & terrain

Where is Písek?

Písek sits at 49.3°N, 14.1°E, 374 m above sea level, in Czechia. The nearest listed city is Strakonice, 19 km away.

TáborPříbramČeské BudějoviceCesky KrumlovKlatovyJindřichův HradecBenešov

Topography around Písek

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

Within 3 km, the terrain around Písek has significant variations in elevation — a maximum elevation change of 273 m around an average of 414 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 327 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,251 m.

The land around Písek is covered by trees (37%) and cropland (25%) within 3 km, trees (40%), cropland (34%) and grassland (21%) within 16 km, and trees (50%), cropland (25%) and grassland (22%) within 80 km.

3 km
273 m
16 km
327 m
80 km
1,251 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Strakonice 19 km · Tábor 39 km · Příbram 44 km · České Budějovice 44 km · Cesky Krumlov 57 km · Klatovy 62 km · Jindřichův Hradec 65 km · Benešov 65 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 Písek (49.3088°, 14.1475°, elevation 374 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).