Bad Mergentheim weather in August

In August, Bad Mergentheim sees average daytime highs of 24°C and overnight lows near 14°C, with 56 mm of rain across 10.4 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 27% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 hours at the start of August to 13 h 24 min by month's end. Set against the rest of the year, August is Bad Mergentheim's 1st-clearest and 12th-windiest month. For the whole year in context, see Bad Mergentheim's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
56 mm
10.4 wet days
Daylight
14 h 12 min
5:18 AM – 7:32 PM
Cloud cover
58%
1st clearest
Wind
9 km/h
12th windiest
Solar energy
4.75 kWh/m²
Travel score
6.8
out of 10

Bad Mergentheim is human settlement in Germany.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 22°C by the end.

A typical August day in Bad Mergentheim reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 30°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52515
62515
72515
82515
92415
102414
112414
122414
132414
142414
152414
162414
172414
182414
192414
202314
212314
222313
232313
242313
252313
262313
272213
282213
292213
302212
312212

How August really feels in Bad Mergentheim

Once humidity and wind are folded in, August 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

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Bad Mergentheim weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°6311.74.58.40.0
Feb / -1°5410.54.39.80.1
Mar / 6211.91.911.51.9
Apr14° / 489.60.313.44.1
May18° / 7412.4015.15.5
Jun22° / 12°6311.80166.2
Jul24° / 14°6612.4015.66.6
Aug24° / 14°5610.4014.26.8
Sep19° / 10°559.9012.45.9
Oct13° / 62110.110.53.6
Nov / 6110.61.68.91.0
Dec / -0°7313.54.880.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35248
45149
55149
65050
75050
84951
94951
104951
114951
124951
134852
144852
154852
164852
174852
184852
194852
204852
214852
224852
234753
244753
254654
264555
274456
284357
294357
304357
314159

Chance of precipitation in August

Any precipitation

Bad Mergentheim gets around 56 mm of rain over 10.4 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
436
536
636
736
836
936
1036
1136
1236
1335
1435
1535
1634
1734
1833
1933
2032
2132
2232
2332
2432
2532
2632
2732
2832
2932
3032
3132

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 53% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1454015
2464014
3464014
4464014
5474013
6474013
7484012
8484012
9494012
10494011
11494011
12493911
13503911
14503911
15503911
16513811
17513811
18523711
19533611
20543511
21553411
22563311
23573211
24583111
25603010
26612910
2763289
2864279
2966268
3067258
3169247

Wind in August

Winds average 9 km/h in August, the calmest month.

Across August, 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 hours at the start of August to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over August. Sunrise moves from 4:56 AM to 5:40 AM, and sunset from 7:58 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:567:58
215.04:587:56
314.94:597:55
414.95:007:53
514.85:027:51
614.85:037:50
714.75:057:48
814.75:067:47
914.65:087:45
1014.65:097:43
1114.55:107:41
1214.55:127:40
1314.45:137:38
1414.35:157:36
1514.35:167:34
1614.25:187:32
1714.25:197:30
1814.15:217:28
1914.15:227:26
2014.05:247:24
2114.05:257:22
2213.95:277:20
2313.85:287:18
2413.85:307:16
2513.75:317:14
2613.75:337:12
2713.65:347:10
2813.55:367:08
2913.55:377:06
3013.45:397:04
3113.45:407:02

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.75 kWh/m².

For context, solar energy here swings from a low near 0.72 kWh/m² to a high of 5.62 kWh/m² in June across the year — August's 4.75 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
114.9Bright
124.9Bright
134.9Bright
144.8Bright
154.8Bright
164.8Bright
174.7Bright
184.7Bright
194.6Bright
204.6Bright
214.5Bright
224.5Bright
234.5Bright
244.4Bright
254.3Bright
264.3Bright
274.2Bright
284.2Bright
294.1Bright
304.1Bright
314.0Bright
Planning a trip in August

Is August a good time to visit Bad Mergentheim?

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

6.8
Sightseeing
1st-best month of the year
5.5
Beach & pool
1st-best month of the year

August is a reasonable time to visit Bad Mergentheim for sightseeing.

What to pack for Bad Mergentheim in August

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

In August, Bad Mergentheim sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Bad Mergentheim in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Bad Mergentheim 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 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Bad Mergentheim in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Bad Mergentheim is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1515 µg/m³Nov 218 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar14Moderate
Apr15Moderate
May13Moderate
Jun15Moderate
Jul12Moderate
Aug12Moderate
Sep12Good
Oct10Good
Nov8Good
Dec9Good
Location & terrain

Where is Bad Mergentheim?

Bad Mergentheim sits at 49.5°N, 9.8°E, 211 m above sea level, in Germany. The nearest listed city is Lauda-Königshofen, 9.0 km away.

Topography around Bad Mergentheim

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

Within 3 km, the terrain around Bad Mergentheim has only modest variations in elevation — a maximum elevation change of 195 m around an average of 285 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 312 m; within 80 km, large variations in elevation — a maximum elevation change of 676 m.

The land around Bad Mergentheim is covered by trees (41%) and cropland (26%) within 3 km, cropland (45%) and trees (37%) within 16 km, and trees (46%) and cropland (34%) within 80 km.

3 km
195 m
16 km
312 m
80 km
676 m
treesgrasslandcroplandartificial surfaces
August weather nearby: Lauda-Königshofen 9.0 km · Künzelsau 24 km · Rothenburg ob der Tauber 32 km · Buchen in Odenwald 33 km · Wertheim 35 km · Würzburg 36 km · Öhringen 38 km · Kitzingen 39 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 Bad Mergentheim (49.4925°, 9.7736°, elevation 211 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).