Borna weather in May

In May, Borna sees average daytime highs of 18°C and overnight lows near 9°C, with 58 mm of rain across 10.9 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 17°C in the first days to 20°C by the end. The sky is clear or mostly clear about 21% 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 Borna's 6th-clearest and 9th-windiest month. For the whole year in context, see Borna's year-round climate.

Daytime high
18°
5th warmest
Overnight low
8th coldest
Rainfall
58 mm
10.9 wet days
Daylight
15 h 18 min
4:27 AM – 7:46 PM
Cloud cover
67%
6th clearest
Wind
10 km/h
9th windiest
Solar energy
5.11 kWh/m²
Travel score
5.7
out of 10
Air quality
Good
PM10 15.3 µg/m³ · 2019

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 Borna reaches about 18°C in the afternoon and slips back to 9°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 25°C. Set against its neighbours, May runs about 4°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
5178
6178
7178
8178
9188
10188
11188
12188
13188
14188
15189
16189
17189
18199
19199
20199
21199
221910
231910
241910
251910
262010
272010
282010
292010
302011
312011

How May really feels in Borna

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.

Borna 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 / -1°5412.15.38.20.0
Feb / -1°4210.44.39.60.1
Mar / 5412.13.111.51.6
Apr14° / 409.10.513.54.1
May18° / 5810.9015.35.7
Jun22° / 12°6011.3016.26.2
Jul24° / 14°7411.9015.96.6
Aug24° / 14°6111.1014.46.7
Sep19° / 10°589.6012.45.9
Oct14° / 5210.40.110.43.8
Nov / 5710.71.68.71.1
Dec / 5812.74.17.80.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33664
43664
53565
63565
73565
83565
93565
103565
113466
123466
133565
143466
153466
163367
173367
183466
193466
203367
213466
223466
233367
243466
253466
263466
273565
283565
293664
303763
313763

Chance of precipitation in May

Any precipitation

Borna gets around 58 mm of rain over 10.9 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 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
234
334
435
535
635
735
836
936
1036
1136
1236
1336
1436
1536
1636
1736
1835
1935
2035
2135
2235
2335
2435
2535
2636
2736
2836
2937
3037
3137

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 93% 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
59820
69820
79730
89730
99730
109730
119730
129730
139640
149640
159640
169640
179550
189550
199460
209370
219181
229091
2389101
2488111
2587121
2686131
2784142
2883152
2982162
3080173
3179183

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 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
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 4:52 AM to 4:09 AM, and sunset from 7:22 PM to 8:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:527:22
214.64:507:24
314.64:497:25
414.74:477:27
514.74:457:29
614.84:437:30
714.84:417:32
814.94:407:33
915.04:387:35
1015.04:367:37
1115.14:357:38
1215.14:337:40
1315.24:317:41
1415.24:307:43
1515.34:287:44
1615.34:277:46
1715.44:257:47
1815.44:247:49
1915.54:237:50
2015.54:217:52
2115.64:207:53
2215.64:197:54
2315.64:177:56
2415.74:167:57
2515.74:157:58
2615.84:148:00
2715.84:138:01
2815.84:128:02
2915.94:118:03
3015.94:108:05
3115.94:098:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.11 kWh/m².

For context, solar energy here swings from a low near 0.66 kWh/m² to a high of 5.34 kWh/m² in June across the year — May's 5.11 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.2Bright
185.2Bright
195.2Bright
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 Borna?

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

5.7
Sightseeing
5th-best month of the year
2.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Borna for sightseeing.

What to pack for Borna in May

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

In May, Borna sees daytime highs around 18°C and nights near 9°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

UV index in Borna 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 Borna peaks around July 11 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 11UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Borna 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 Borna is worst in June — around 15 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1515 µg/m³Dec 128 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar14Moderate
Apr15Moderate
May13Moderate
Jun15Moderate
Jul13Moderate
Aug13Moderate
Sep12Good
Oct10Good
Nov9Good
Dec8Good
Location & terrain

Where is Borna?

Borna sits at 51.1°N, 12.5°E, 142 m above sea level, in Germany. The nearest listed city is Altenburg, 16 km away.

Topography around Borna

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

Within 3 km, the terrain around Borna has only modest variations in elevation — a maximum elevation change of 51 m around an average of 150 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 220 m; within 80 km, large variations in elevation — a maximum elevation change of 995 m.

The land around Borna is covered by trees (34%) and cropland (25%) within 3 km, cropland (46%) and trees (27%) within 16 km, and cropland (49%) and trees (30%) within 80 km.

3 km
51 m
16 km
220 m
80 km
995 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Altenburg 16 km · Markkleeberg 19 km · Grimma 20 km · Leipzig 25 km · Zeitz 26 km · Gohlis 28 km · Meerane 31 km · Wurzen 32 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 Borna (51.1242°, 12.4964°, elevation 142 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).