Tønder weather in April

In April, Tønder sees average daytime highs of 10°C and overnight lows near 5°C, with 42 mm of precipitation across 9.6 wet days and about 13.8 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 8°C in the first days to 12°C by the end. The sky is clear or mostly clear about 29% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 42 min at the start of April to 14 h 48 min by month's end. Set against the rest of the year, April is Tønder's 2nd-clearest and 9th-windiest month. For the whole year in context, see Tønder's year-round climate.

Daytime high
10°
7th warmest
Overnight low
5th coldest
Precipitation
42 mm
9.6 wet days
Daylight
13 h 48 min
5:31 AM – 7:19 PM
Cloud cover
60%
2nd clearest
Wind
18 km/h
9th windiest
Solar energy
4.26 kWh/m²
Travel score
2.4
out of 10

Tønder is town in Denmark.

Density
2,415/km²
people per km²
Founded
1017

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 8°C in the first days to 12°C by the end.

A typical April day in Tønder reaches about 10°C in the afternoon and slips back to 5°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 15°C. Set against its neighbours, April runs about 4°C warmer than March and about 4°C cooler than May.

-5°10°15°20°151015202530
Avg high (°C)Avg low (°C)
183
283
383
483
594
694
794
894
994
1094
1194
12104
13104
14104
15105
16105
17105
18115
19115
20115
21115
22115
23116
24126
25126
26126
27126
28126
29126
30126

How April really feels in Tønder

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 9 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
9
wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Tønder weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7313.92.77.60.0
Feb / 5611.12.79.30.0
Mar / 5511.2211.40.5
Apr10° / 429.60.313.82.4
May14° / 5110.4015.84.2
Jun17° / 12°7111.20175.2
Jul19° / 14°7812.6016.55.8
Aug20° / 14°9114014.75.7
Sep17° / 12°8413.1012.54.7
Oct12° / 8914.2010.22.9
Nov / 7713.90.48.11.2
Dec / 77141.770.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24555
34555
44555
54555
64555
74555
84654
94654
104654
114654
124753
134852
144753
154852
164951
174852
184852
194951
204852
214852
224852
234753
244753
254753
264753
274753
284654
294555
304654

Chance of precipitation in April

Any precipitationSnow

Tønder gets around 42 mm of rain and snow over 9.6 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 31% and peaks near 34% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1323
2323
3312
4312
5312
6312
7312
8311
9311
10301
11301
12301
13291
14291
15291
16291
17291
18301
19301
20311
21311
22321
23321
24320
25320
26330
27330
28330
29330
30340

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 18 km/h in April.

Across April, daily wind ranges from about 17 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 42 min at the start of April to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 126 minutes over April. Sunrise moves from 6:09 AM to 4:57 AM, and sunset from 6:49 PM to 7:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:096:49
212.76:066:51
312.86:046:53
412.96:016:55
513.05:596:57
613.15:566:59
713.15:547:01
813.25:517:03
913.35:487:05
1013.45:467:07
1113.45:437:09
1213.55:417:11
1313.65:387:13
1413.75:367:15
1513.75:337:17
1613.85:317:19
1713.95:287:21
1814.05:267:23
1914.05:237:25
2014.15:217:27
2114.25:187:29
2214.25:167:31
2314.35:147:33
2414.45:117:35
2514.55:097:37
2614.55:077:38
2714.65:047:40
2814.75:027:42
2914.75:007:44
3014.84:577:46

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.26 kWh/m².

For context, solar energy here swings from a low near 0.4 kWh/m² to a high of 5.64 kWh/m² in June across the year — April's 4.26 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.4Moderate
23.5Moderate
33.5Moderate
43.6Moderate
53.6Moderate
63.7Moderate
73.8Moderate
83.8Moderate
93.9Moderate
104.0Moderate
114.0Bright
124.1Bright
134.2Bright
144.2Bright
154.3Bright
164.4Bright
174.4Bright
184.5Bright
194.5Bright
204.6Bright
214.6Bright
224.7Bright
234.7Bright
244.8Bright
254.8Bright
264.8Bright
274.9Bright
284.9Bright
294.9Bright
305.0Bright
Planning a trip in April

Is April a good time to visit Tønder?

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

2.4
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Tønder.

What to pack for Tønder in April

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

In April, Tønder sees daytime highs around 10°C and nights near 5°C. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Tønder in April

The nearest coast averages about 7°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 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
Jan4Bracing
Feb3Bracing
Mar4Bracing
Apr7Bracing
May11Bracing
Jun15Bracing
Jul18Cool
Aug19Cool
Sep16Cool
Oct12Bracing
Nov9Bracing
Dec5Bracing

UV index in Tønder in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tønder peaks around July 21 at about 5 (high) — a little sun protection helps at midday. It bottoms out near January 1 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 21UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5High
Jun5High
Jul6High
Aug5High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Tønder?

Tønder sits at 54.9°N, 8.9°E, 3 m above sea level, in Denmark. The nearest listed city is Aabenraa, 37 km away.

AabenraaFlensburgHusumHaderslevSønderborgSchleswigEsbjergKolding

Topography around Tønder

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

Within 3 km, the terrain around Tønder has only modest variations in elevation — a maximum elevation change of 16 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 50 m; within 80 km, only modest variations in elevation — a maximum elevation change of 123 m.

The land around Tønder is covered by cropland (43%) and grassland (37%) within 3 km, cropland (50%) and grassland (34%) within 16 km, and water (40%), cropland (29%) and grassland (20%) within 80 km.

3 km
16 m
16 km
50 m
80 km
123 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Aabenraa 37 km · Flensburg 40 km · Husum 51 km · Haderslev 53 km · Sønderborg 59 km · Schleswig 64 km · Esbjerg 65 km · Kolding 73 km

Denmark travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E / F / K
230 V · 50 Hz
Prices
≈ 92% of US
price level, 2025
GDP per capita
$76,970
2025
Happiness
7.5 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
3.7
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 611
Religion
Evangelical Lutheran 71%other/none/unspecified 24%Muslim 4%

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 Tønder (54.9331°, 8.8667°, elevation 3 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).