Heidenau weather in August

In August, Heidenau sees average daytime highs of 23°C and overnight lows near 13°C, with 90 mm of rain across 12 wet days and about 14.3 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 26% of the time in August, and the air most often feels dry.

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

Daytime high
23°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
90 mm
12 wet days
Daylight
14 h 24 min
4:58 AM – 7:20 PM
Cloud cover
60%
1st clearest
Wind
10 km/h
12th windiest
Solar energy
4.5 kWh/m²
Travel score
6.4
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 21°C by the end.

A typical August day in Heidenau reaches about 23°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 28°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12414
22414
32414
42414
52414
62414
72414
82414
92314
102314
112314
122314
132313
142313
152313
162313
172313
182313
192213
202213
212213
222213
232213
242213
252212
262112
272112
282112
292112
302112
312012

How August really feels in Heidenau

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.

Heidenau weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°6313.87.88.20.0
Feb / -2°4911.16.49.70.0
Mar / 6312.94.711.51.1
Apr13° / 5011.11.413.53.5
May18° / 7512.80.115.35.2
Jun21° / 11°8613.2016.25.8
Jul23° / 14°9513.1015.86.3
Aug23° / 13°9012014.36.4
Sep18° / 10°6911.3012.45.5
Oct12° / 5811.50.310.43.2
Nov / 5911.32.88.70.7
Dec / -1°6212.86.37.80.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25149
35248
45248
55149
65050
74951
84951
94951
104951
114753
124654
134654
144654
154654
164555
174555
184555
194555
204555
214555
224456
234357
244357
254258
264159
274159
284060
293961
303862
313862

Chance of precipitation in August

Any precipitation

Heidenau gets around 90 mm of rain over 12 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 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
339
439
539
639
740
840
940
1040
1141
1241
1341
1441
1541
1641
1741
1840
1940
2039
2139
2239
2338
2438
2538
2638
2738
2838
2939
3039
3139

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 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1453618
2453618
3463618
4463618
5473518
6473518
7483417
8493417
9493417
10503416
11503416
12513415
13513415
14533314
15533314
16533314
17543313
18543313
19543313
20543313
21563212
22563212
23583111
24583111
25603010
26612910
2763289
2864279
2966268
3067258
3169247

Wind in August

Winds average 10 km/h in August, the calmest month.

Across August, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 12 min 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 108 minutes over August. Sunrise moves from 4:35 AM to 5:22 AM, and sunset from 7:46 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.24:357:46
215.14:367:45
315.14:387:43
415.04:397:42
515.04:417:40
614.94:427:38
714.94:447:36
814.84:457:35
914.84:477:33
1014.74:487:31
1114.74:507:29
1214.64:517:27
1314.54:537:25
1414.54:557:23
1514.44:567:21
1614.44:587:20
1714.34:597:18
1814.25:017:15
1914.25:037:13
2014.15:047:11
2114.15:067:09
2214.05:077:07
2313.95:097:05
2413.95:107:03
2513.85:127:01
2613.75:146:59
2713.75:156:56
2813.65:176:54
2913.65:186:52
3013.55:206:50
3113.45:226:47

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.5 kWh/m².

For context, solar energy here swings from a low near 0.66 kWh/m² to a high of 5.3 kWh/m² in June across the year — August's 4.5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
54.9Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.7Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.5Bright
184.4Bright
194.4Bright
204.3Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.1Bright
264.0Bright
274.0Moderate
283.9Moderate
293.9Moderate
303.8Moderate
313.8Moderate
Planning a trip in August

Is August a good time to visit Heidenau?

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

6.4
Sightseeing
1st-best month of the year
4.7
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Heidenau for sightseeing.

What to pack for Heidenau in August

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

In August, Heidenau sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Heidenau 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 Heidenau 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 Heidenau 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 Heidenau is worst in April — around 16 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1316 µg/m³Dec 1210 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Good
Mar15Moderate
Apr16Moderate
May14Moderate
Jun16Moderate
Jul14Moderate
Aug14Moderate
Sep13Moderate
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Heidenau?

Heidenau sits at 51.0°N, 13.9°E, 120 m above sea level, in Germany. The nearest listed city is Pirna, 5.0 km away.

Topography around Heidenau

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

Within 3 km, the terrain around Heidenau has only modest variations in elevation — a maximum elevation change of 127 m around an average of 148 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 481 m; within 80 km, large variations in elevation — a maximum elevation change of 975 m.

The land around Heidenau is covered by trees (33%), grassland (23%) and artificial surfaces (20%) within 3 km, trees (44%), cropland (25%) and grassland (20%) within 16 km, and trees (42%) and cropland (34%) within 80 km.

3 km
127 m
16 km
481 m
80 km
975 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Pirna 5.0 km · Leuben 5.0 km · Loschwitz 10 km · Blasewitz 10 km · Dresden 13 km · Äußere Neustadt 13 km · Löbtau 14 km · Freital 16 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 Heidenau (50.9722°, 13.8674°, elevation 120 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).