Heide weather in August

In August, Heide sees average daytime highs of 21°C and overnight lows near 13°C, with 84 mm of rain across 13.8 wet days and about 14.6 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 20% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 36 min at the start of August to 13 h 36 min by month's end. Set against the rest of the year, August is Heide's 4th-clearest and 12th-windiest month. For the whole year in context, see Heide's year-round climate.

Daytime high
21°
1st warmest
Overnight low
13°
12th coldest
Rainfall
84 mm
13.8 wet days
Daylight
14 h 42 min
5:08 AM – 7:48 PM
Cloud cover
63%
4th clearest
Wind
14 km/h
12th windiest
Solar energy
4.29 kWh/m²
Travel score
5.9
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 20°C by the end.

A typical August day in Heide reaches about 21°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12214
22214
32214
42214
52214
62214
72214
82214
92214
102214
112214
122214
132114
142114
152114
162114
172114
182114
192113
202113
212113
222113
232013
242013
252013
262013
272013
282013
292012
302012
311912

How August really feels in Heide

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.

Heide weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6913.22.47.70.0
Feb / 5210.52.49.30.0
Mar / 5311.31.711.51.0
Apr12° / 4510.10.213.73.1
May16° / 5711.6015.74.8
Jun19° / 11°7212.2016.85.6
Jul21° / 13°8013016.46.0
Aug21° / 13°8413.8014.65.9
Sep18° / 11°7112.5012.55.1
Oct13° / 7413.8010.23.2
Nov / 63130.48.21.2
Dec / 6813.12.27.20.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 58%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34456
44357
54357
64258
74258
84258
94258
104258
114159
124159
134159
144159
154159
164060
174060
184159
194159
204159
214258
224258
234258
244159
254159
264159
274159
284159
294159
304060
314060

Chance of precipitation in August

Any precipitation

Heide gets around 84 mm of rain over 13.8 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 45% and peaks near 47% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
140
240
341
441
541
642
742
843
943
1043
1144
1244
1345
1445
1545
1646
1746
1846
1946
2046
2146
2247
2347
2447
2547
2647
2747
2847
2947
3046
3146

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 43% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13249181
23348181
33348181
43448171
53547171
63647171
73646171
83746171
93845161
103944161
113944161
124043161
134043161
144142161
154141161
164241161
174240161
184340161
194440152
204439152
214539142
224638142
234837132
244937132
255036122
265335111
275534101
285633101
29573391
30593281
31603271

Wind in August

Winds average 14 km/h in August, the calmest month.

Across August, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 36 min at the start of August to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 120 minutes over August. Sunrise moves from 4:41 AM to 5:35 AM, and sunset from 8:18 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.64:418:18
215.64:438:16
315.54:448:15
415.44:468:13
515.44:488:11
615.34:508:09
715.34:518:07
815.24:538:05
915.14:558:03
1015.14:578:01
1115.04:597:59
1214.95:007:56
1314.95:027:54
1414.85:047:52
1514.75:067:50
1614.75:087:48
1714.65:107:45
1814.55:117:43
1914.55:137:41
2014.45:157:39
2114.35:177:36
2214.35:197:34
2314.25:217:31
2414.15:227:29
2514.05:247:27
2614.05:267:24
2713.95:287:22
2813.85:307:19
2913.85:327:17
3013.75:347:14
3113.65:357:12

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.29 kWh/m².

For context, solar energy here swings from a low near 0.43 kWh/m² to a high of 5.47 kWh/m² in June across the year — August's 4.29 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.4Bright
144.4Bright
154.3Bright
164.3Bright
174.2Bright
184.2Bright
194.1Bright
204.1Bright
214.0Bright
224.0Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.8Moderate
273.8Moderate
283.7Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in August

Is August a good time to visit Heide?

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

5.9
Sightseeing
2nd-best month of the year
3.6
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Heide for sightseeing.

What to pack for Heide in August

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

In August, Heide sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear. About 14 days see rain.

rain gear

Sea temperature near Heide in August

The nearest coast averages about 19°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in August at about 19°C and coldest in February near 3°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb3Bracing
Mar5Bracing
Apr8Bracing
May13Bracing
Jun16Cool
Jul18Cool
Aug19Cool
Sep16Cool
Oct13Bracing
Nov9Bracing
Dec5Bracing

UV index in Heide in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Heide peaks around July 20 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 21 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 20UV 5Dec 21UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May5High
Jun5Moderate
Jul6High
Aug5High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Heide?

Heide sits at 54.2°N, 9.1°E, 14 m above sea level, in Germany. The nearest listed city is Husum, 32 km away.

SchleswigEckernfördeNeumünsterElmshorn

Topography around Heide

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

Within 3 km, the terrain around Heide has only modest variations in elevation — a maximum elevation change of 35 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 98 m; within 80 km, only modest variations in elevation — a maximum elevation change of 218 m.

The land around Heide is covered by grassland (48%) and trees (24%) within 3 km, grassland (44%) and cropland (36%) within 16 km, and water (33%), grassland (27%) and cropland (25%) within 80 km.

3 km
35 m
16 km
98 m
80 km
218 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Husum 32 km · Rendsburg 39 km · Itzehoe 41 km · Cuxhaven 45 km · Schleswig 47 km · Eckernförde 57 km · Neumünster 59 km · Elmshorn 62 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 Heide (54.1956°, 9.0974°, elevation 14 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).