Pirna weather in May

In May, Pirna sees average daytime highs of 18°C and overnight lows near 8°C, with 75 mm of precipitation across 13.3 wet days and about 15.3 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 22% 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 Pirna's 6th-clearest and 8th-windiest month. For the whole year in context, see Pirna's year-round climate.

Daytime high
18°
5th warmest
Overnight low
8th coldest
Precipitation
75 mm
13.3 wet days
Daylight
15 h 18 min
4:22 AM – 7:39 PM
Cloud cover
66%
6th clearest
Wind
11 km/h
8th windiest
Solar energy
5.08 kWh/m²
Travel score
5.2
out of 10

Pirna is municipality seat.

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 Pirna reaches about 18°C in the afternoon and slips back to 8°C overnight — a 9°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)
1167
2167
3167
4167
5167
6167
7177
8177
9177
10178
11178
12178
13178
14178
15178
16178
17178
18188
19189
20189
21189
22189
23189
24189
25199
26199
271910
281910
291910
301910
311910

How May really feels in Pirna

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.

Pirna 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°6113.588.20.0
Feb / -2°48116.59.70.0
Mar / 6112.6511.51.1
Apr13° / 4810.61.413.53.5
May18° / 7513.30.115.35.2
Jun21° / 11°8512.9016.25.8
Jul23° / 13°9713.5015.86.3
Aug23° / 13°9212.1014.36.4
Sep18° / 10°6911.4012.45.4
Oct12° / 5711.30.310.43.1
Nov / 57112.88.70.7
Dec / -1°61136.27.80.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% 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 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33763
43763
53664
63664
73664
83664
93565
103664
113664
123664
133664
143664
153565
163664
173664
183664
193664
203664
213763
223763
233763
243763
253763
263763
273862
283862
293862
303862
313862

Chance of precipitation in May

Any precipitation

Pirna gets around 75 mm of rain and snow over 13.3 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 43% and peaks near 44% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
241
342
442
543
643
744
844
944
1044
1144
1244
1344
1444
1544
1643
1743
1843
1942
2042
2142
2242
2341
2442
2542
2642
2742
2842
2942
3042
3143

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
59820
69820
79820
89820
99820
109820
119730
129730
139730
149730
159640
169640
179640
189550
199550
209460
219370
229280
239190
249091
2589101
2687121
2786131
2885141
2983152
3083152
3182162

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
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 4:47 AM to 4:04 AM, and sunset from 7:16 PM to 7:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:477:16
214.54:457:17
314.64:437:19
414.74:417:21
514.74:407:22
614.84:387:24
714.84:367:25
814.94:347:27
914.94:337:29
1015.04:317:30
1115.04:297:32
1215.14:287:33
1315.14:267:35
1415.24:257:36
1515.24:237:38
1615.34:227:39
1715.34:207:41
1815.44:197:42
1915.44:177:44
2015.54:167:45
2115.54:157:46
2215.64:147:48
2315.64:127:49
2415.74:117:51
2515.74:107:52
2615.74:097:53
2715.84:087:54
2815.84:077:56
2915.84:067:57
3015.94:057:58
3115.94:047:59

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 0.65 kWh/m² to a high of 5.3 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
145.0Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Is May a good time to visit Pirna?

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

5.2
Sightseeing
5th-best month of the year
1.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit Pirna for sightseeing.

What to pack for Pirna in May

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

In May, Pirna 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 Pirna 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 Pirna peaks around June 20 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowJun 20UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr4Moderate
May6High
Jun7Very high
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Pirna 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 Pirna is worst in April — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1216 µg/m³Dec 1211 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar16Moderate
Apr16Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug15Moderate
Sep14Moderate
Oct12Moderate
Nov11Good
Dec11Good
Location & terrain

Where is Pirna?

Pirna sits at 51.0°N, 13.9°E, 119 m above sea level, in Germany. The nearest listed city is Heidenau, 5.0 km away.

Topography around Pirna

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

Within 3 km, the terrain around Pirna has only modest variations in elevation — a maximum elevation change of 153 m around an average of 159 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 465 m; within 80 km, large variations in elevation — a maximum elevation change of 973 m.

The land around Pirna is covered by trees (36%), grassland (21%) and artificial surfaces (20%) within 3 km, trees (45%), cropland (26%) and grassland (22%) within 16 km, and trees (42%) and cropland (34%) within 80 km.

3 km
153 m
16 km
465 m
80 km
973 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Heidenau 5.0 km · Leuben 10 km · Loschwitz 14 km · Blasewitz 14 km · Radeberg 17 km · Dresden 17 km · Äußere Neustadt 18 km · Löbtau 19 km

Germany travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 80% of US
price level, 2025
GDP per capita
$60,496
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
3.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 615
Religion
none 44%Roman Catholic 25%Protestant 23%other 5%

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 Pirna (50.9584°, 13.937°, elevation 119 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).