Saarbrücken weather in May

In May, Saarbrücken sees average daytime highs of 18°C and overnight lows near 9°C, with 68 mm of rain across 12 wet days and about 15.1 hours of daylight. It is the 5th-warmest and 6th-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 Saarbrücken's 6th-clearest and 8th-windiest month. For the whole year in context, see Saarbrücken's year-round climate.

Daytime high
18°
5th warmest
Overnight low
8th coldest
Rainfall
68 mm
12 wet days
Daylight
15 h 06 min
4:56 AM – 8:01 PM
Cloud cover
66%
6th clearest
Wind
11 km/h
8th windiest
Solar energy
5.2 kWh/m²
Travel score
5.6
out of 10

Saarbrücken is capital of the German state of Saarland.

Air quality
Moderate
PM2.5 10.2 µg/m³ · 2019
Density
1,092/km²
people per km²
Founded
~999 CE

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 Saarbrücken reaches about 18°C in the afternoon and slips back to 9°C overnight — a 9°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 4°C warmer than April and about 3°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1178
2178
3178
4178
5178
6178
7178
8179
9189
10189
11189
12189
13189
14189
15189
16189
17189
18199
191910
201910
211910
221910
231910
241910
252010
262010
272011
282011
292011
302011
312011

How May really feels in Saarbrücken

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.

Saarbrücken weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°7912.63.48.50.0
Feb / 6610.53.29.80.3
Mar10° / 7011.71.711.62.2
Apr14° / 5410.40.113.44.2
May18° / 6812015.15.6
Jun22° / 13°5810.8015.96.4
Jul24° / 15°6110.8015.66.8
Aug24° / 14°6010.8014.26.8
Sep19° / 11°649.5012.46.1
Oct14° / 7111.5010.53.8
Nov / 7512.518.91.3
Dec / 9914.43.38.10.0

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 15% of May, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23565
33565
43565
53466
63565
73565
83565
93565
103565
113565
123565
133565
143565
153565
163565
173565
183565
193565
203367
213466
223466
233466
243466
253466
263466
273466
283466
293466
303466
313466

Chance of precipitation in May

Any precipitation

Saarbrücken gets around 68 mm of rain over 12 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 39% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
342
442
542
641
741
841
941
1041
1141
1241
1341
1441
1541
1640
1740
1839
1939
2038
2138
2237
2337
2436
2536
2636
2736
2836
2936
3036
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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39820
49820
59820
69730
79730
89730
99730
109640
119640
129640
139550
149550
159550
169460
179460
189271
199271
209181
219091
2288102
2387112
2487112
2585123
2684133
2782153
2880164
2979174
3078184
3176195

Wind in May

Winds average 11 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
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
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 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 5:19 AM to 4:39 AM, and sunset from 7:39 PM to 8:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:197:39
214.45:187:40
314.45:167:42
414.55:147:43
514.55:127:45
614.65:117:46
714.65:097:48
814.75:077:49
914.75:067:51
1014.85:047:52
1114.85:037:54
1214.95:017:55
1314.95:007:57
1415.04:587:58
1515.04:577:59
1615.14:568:01
1715.14:548:02
1815.24:538:04
1915.24:528:05
2015.34:508:06
2115.34:498:07
2215.34:488:09
2315.44:478:10
2415.44:468:11
2515.54:458:12
2615.54:448:14
2715.54:438:15
2815.64:428:16
2915.64:418:17
3015.64:408:18
3115.74:398:19

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.2 kWh/m².

For context, solar energy here swings from a low near 0.7 kWh/m² to a high of 5.6 kWh/m² in June across the year — May's 5.2 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
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.5Bright
315.5Bright
Planning a trip in May

Is May a good time to visit Saarbrücken?

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

5.6
Sightseeing
5th-best month of the year
2.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Saarbrücken for sightseeing.

What to pack for Saarbrücken in May

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

In May, Saarbrücken sees daytime highs around 18°C and nights near 9°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Saarbrücken 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 Saarbrücken peaks around July 15 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 15UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Saarbrücken?

Saarbrücken sits at 49.2°N, 7.0°E, 195 m above sea level, in Germany. The nearest listed city is Sulzbach, 8.0 km away.

Topography around Saarbrücken

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

Within 3 km, the terrain around Saarbrücken has only modest variations in elevation — a maximum elevation change of 208 m around an average of 241 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 284 m; within 80 km, large variations in elevation — a maximum elevation change of 896 m.

The land around Saarbrücken is covered by trees (60%) and artificial surfaces (36%) within 3 km, trees (59%) within 16 km, and trees (51%), cropland (23%) and grassland (20%) within 80 km.

3 km
208 m
16 km
284 m
80 km
896 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Sulzbach 8.0 km · Sankt Ingbert 9.0 km · Riegelsberg 9.0 km · Forbach 10 km · Püttlingen 11 km · Völklingen 11 km · Heusweiler 13 km · Sarreguemines 14 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 Saarbrücken (49.2326°, 7.0098°, elevation 195 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).