Heide weather in May

In May, Heide sees average daytime highs of 16°C and overnight lows near 8°C, with 57 mm of rain across 11.6 wet days and about 15.7 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 18°C by the end. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of May to 16 h 30 min by month's end. Set against the rest of the year, May is Heide's 2nd-clearest and 10th-windiest month. For the whole year in context, see Heide's year-round climate.

Daytime high
16°
5th warmest
Overnight low
8th coldest
Rainfall
57 mm
11.6 wet days
Daylight
15 h 42 min
4:28 AM – 8:12 PM
Cloud cover
62%
2nd clearest
Wind
15 km/h
10th windiest
Solar energy
5.25 kWh/m²
Travel score
4.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 18°C by the end.

A typical May day in Heide reaches about 16°C in the afternoon and slips back to 8°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 22°C. Set against its neighbours, May runs about 4°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1146
2156
3156
4156
5157
6157
7157
8157
9157
10157
11157
12167
13167
14168
15168
16168
17168
18168
19168
20168
21179
22179
23179
24179
25179
26179
27179
28179
291810
301810
311810

How May really feels in Heide

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.

Heide weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24456
34456
44456
54456
64456
74456
84555
94555
104555
114456
124555
134555
144456
154555
164555
174555
184456
194456
204456
214357
224357
234357
244357
254357
264258
274258
284258
294258
304258
314258

Chance of precipitation in May

Any precipitation

Heide gets around 57 mm of rain over 11.6 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 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
236
336
436
535
635
735
836
936
1036
1136
1237
1337
1438
1538
1638
1738
1838
1939
2039
2139
2239
2339
2439
2539
2639
2739
2838
2938
3038
3138

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 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
110000
210000
39910
49910
59910
69910
79910
89910
99820
109820
119820
129730
139730
149640
159640
169550
179550
189550
199460
209460
219370
229370
239181
249181
259091
269091
2789101
2888102
2987112
3087112
3186122

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 15 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
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light 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 May

DaylightNight

Daylight runs from about 14 h 48 min at the start of May to 16 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 102 minutes over May. Sunrise moves from 4:57 AM to 4:07 AM, and sunset from 7:45 PM to 8:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:577:45
214.94:557:47
314.94:537:49
415.04:507:50
515.14:487:52
615.14:467:54
715.24:447:56
815.34:427:58
915.34:408:00
1015.44:398:01
1115.44:378:03
1215.54:358:05
1315.64:338:07
1415.64:318:09
1515.74:298:10
1615.74:288:12
1715.84:268:14
1815.84:248:15
1915.94:238:17
2016.04:218:19
2116.04:208:20
2216.14:188:22
2316.14:178:23
2416.24:158:25
2516.24:148:26
2616.34:138:28
2716.34:128:29
2816.34:108:31
2916.44:098:32
3016.44:088:34
3116.54:078:35

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.25 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 — May's 5.25 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
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 Heide?

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

4.8
Sightseeing
5th-best month of the year
0.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Heide for sightseeing.

What to pack for Heide in May

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

In May, Heide sees daytime highs around 16°C and nights near 8°C. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Heide in May

The nearest coast averages about 13°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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
May 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).