Harlingen weather in April

In April, Harlingen sees average daytime highs of 10°C and overnight lows near 7°C, with 40 mm of rain across 8.9 wet days and about 13.6 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 9°C in the first days to 12°C by the end. The sky is clear or mostly clear about 31% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 36 min at the start of April to 14 h 36 min by month's end. Set against the rest of the year, April is Harlingen's 3rd-clearest and 9th-windiest month. For the whole year in context, see Harlingen's year-round climate.

Daytime high: 10°; 7th warmest
Overnight low: 7°; 5th coldest
Rainfall: 40 mm; 8.9 wet days
Daylight: 13 h 42 min; 5:48 AM – 7:29 PM
Cloud cover: 59%; 3rd clearest
Wind: 21 km/h; 9th windiest
Solar energy: 4.53 kWh/m²
Travel score: 2.4; out of 10

Harlingen is town in Friesland, the Netherlands.

Density: 644/km²; people per km²

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

← March Harlingen year-round climate May →Best places to visit in April

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 9°C in the first days to 12°C by the end.

A typical April day in Harlingen reaches about 10°C in the afternoon and slips back to 7°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 14°C. Set against its neighbours, April runs about 3°C warmer than March and about 3°C cooler than May.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	9	9	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	11	11	11	11	11	11	11	11	12	12	12	12
Avg low (°C)	6	6	6	6	6	6	6	6	6	6	6	7	7	7	7	7	7	7	7	7	8	8	8	8	8	8	8	8	8	9

	Avg high (°C)	Avg low (°C)
1	9	6
2	9	6
3	9	6
4	9	6
5	9	6
6	9	6
7	9	6
8	9	6
9	9	6
10	9	6
11	9	6
12	10	7
13	10	7
14	10	7
15	10	7
16	10	7
17	10	7
18	10	7
19	11	7
20	11	7
21	11	8
22	11	8
23	11	8
24	11	8
25	11	8
26	11	8
27	12	8
28	12	8
29	12	8
30	12	9

How April really feels in Harlingen

Once humidity and wind are folded in, April 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Harlingen 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	6° / 3°	73	14	1	7.9	0.2
Feb	5° / 3°	54	11.3	1.4	9.4	0.1
Mar	7° / 4°	51	11.2	0.7	11.5	0.9
Apr	10° / 7°	40	8.9	0	13.6	2.4
May	13° / 10°	57	10.4	0	15.6	3.9
Jun	16° / 13°	67	11.5	0	16.6	4.9
Jul	19° / 16°	84	12.5	0	16.2	5.8
Aug	19° / 16°	101	14	0	14.5	5.6
Sep	17° / 14°	92	13.4	0	12.4	4.9
Oct	13° / 11°	96	14.9	0	10.3	3.3
Nov	10° / 7°	87	15.8	0.1	8.4	1.7
Dec	7° / 4°	86	15.1	0.9	7.4	0.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 53%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	46	46	47	47	46	46	45	46	46	46	48	48	48	49	50	50	50	50	49	49	50	50	49	49	48	46	46	45	45	45
Cloudier (%)	54	54	53	53	54	54	55	54	54	54	52	52	52	51	50	50	50	50	51	51	50	50	51	51	52	54	54	55	55	55

	Clearer (%)	Cloudier (%)
1	46	54
2	46	54
3	47	53
4	47	53
5	46	54
6	46	54
7	45	55
8	46	54
9	46	54
10	46	54
11	48	52
12	48	52
13	48	52
14	49	51
15	50	50
16	50	50
17	50	50
18	50	50
19	49	51
20	49	51
21	50	50
22	50	50
23	49	51
24	49	51
25	48	52
26	46	54
27	46	54
28	45	55
29	45	55
30	45	55

Chance of precipitation in April

Any precipitation

Harlingen gets around 40 mm of rain over 8.9 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 rain averages around 29% and peaks near 32% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	32	31	31	31	30	30	30	30	29	29	28	28	27	27	27	27	27	27	27	28	28	29	29	30	30	30	31	31	32	32

	Rain chance (%)
1	32
2	31
3	31
4	31
5	30
6	30
7	30
8	30
9	29
10	29
11	28
12	28
13	27
14	27
15	27
16	27
17	27
18	27
19	27
20	28
21	28
22	29
23	29
24	30
25	30
26	30
27	31
28	31
29	32
30	32

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

Wind in April

Winds average 21 km/h in April.

Across April, daily wind ranges from about 21 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	23	23	23	23	23	22	22	22	22	22	22	22	22	22	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21
Feels	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy

	Wind speed (km/h)	Feels
1	23	breezy
2	23	breezy
3	23	breezy
4	23	breezy
5	23	breezy
6	22	breezy
7	22	breezy
8	22	breezy
9	22	breezy
10	22	breezy
11	22	breezy
12	22	breezy
13	22	breezy
14	22	breezy
15	21	breezy
16	21	breezy
17	21	breezy
18	21	breezy
19	21	breezy
20	21	breezy
21	21	breezy
22	21	breezy
23	21	breezy
24	21	breezy
25	21	breezy
26	21	breezy
27	21	breezy
28	21	breezy
29	21	breezy
30	21	breezy

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 36 min at the start of April to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 120 minutes over April. Sunrise moves from 6:24 AM to 5:17 AM, and sunset from 7:02 PM to 7:55 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.6	12.7	12.8	12.8	12.9	13.0	13.1	13.1	13.2	13.3	13.3	13.4	13.5	13.5	13.6	13.7	13.8	13.8	13.9	14.0	14.0	14.1	14.2	14.2	14.3	14.4	14.4	14.5	14.6	14.6
Sunrise (AM)	6:24	6:22	6:19	6:17	6:14	6:12	6:09	6:07	6:05	6:02	6:00	5:57	5:55	5:53	5:50	5:48	5:46	5:43	5:41	5:39	5:36	5:34	5:32	5:30	5:27	5:25	5:23	5:21	5:19	5:17
Sunset (PM)	7:02	7:04	7:05	7:07	7:09	7:11	7:13	7:15	7:16	7:18	7:20	7:22	7:24	7:26	7:27	7:29	7:31	7:33	7:35	7:36	7:38	7:40	7:42	7:44	7:46	7:47	7:49	7:51	7:53	7:55

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.6	6:24	7:02
2	12.7	6:22	7:04
3	12.8	6:19	7:05
4	12.8	6:17	7:07
5	12.9	6:14	7:09
6	13.0	6:12	7:11
7	13.1	6:09	7:13
8	13.1	6:07	7:15
9	13.2	6:05	7:16
10	13.3	6:02	7:18
11	13.3	6:00	7:20
12	13.4	5:57	7:22
13	13.5	5:55	7:24
14	13.5	5:53	7:26
15	13.6	5:50	7:27
16	13.7	5:48	7:29
17	13.8	5:46	7:31
18	13.8	5:43	7:33
19	13.9	5:41	7:35
20	14.0	5:39	7:36
21	14.0	5:36	7:38
22	14.1	5:34	7:40
23	14.2	5:32	7:42
24	14.2	5:30	7:44
25	14.3	5:27	7:46
26	14.4	5:25	7:47
27	14.4	5:23	7:49
28	14.5	5:21	7:51
29	14.6	5:19	7:53
30	14.6	5:17	7:55

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.53 kWh/m².

For context, solar energy here swings from a low near 0.52 kWh/m² to a high of 5.77 kWh/m² in June across the year — April's 4.53 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	3.7	3.8	3.9	3.9	4.0	4.0	4.1	4.2	4.2	4.3	4.3	4.4	4.5	4.5	4.6	4.6	4.7	4.7	4.8	4.8	4.8	4.9	4.9	4.9	5.0	5.0	5.0	5.0	5.1	5.1
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	3.7	Moderate
2	3.8	Moderate
3	3.9	Moderate
4	3.9	Moderate
5	4.0	Moderate
6	4.0	Bright
7	4.1	Bright
8	4.2	Bright
9	4.2	Bright
10	4.3	Bright
11	4.3	Bright
12	4.4	Bright
13	4.5	Bright
14	4.5	Bright
15	4.6	Bright
16	4.6	Bright
17	4.7	Bright
18	4.7	Bright
19	4.8	Bright
20	4.8	Bright
21	4.8	Bright
22	4.9	Bright
23	4.9	Bright
24	4.9	Bright
25	5.0	Bright
26	5.0	Bright
27	5.0	Bright
28	5.0	Bright
29	5.1	Bright
30	5.1	Bright

Planning a trip in April

Is April a good time to visit Harlingen?

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 Harlingen.

What to pack for Harlingen in April

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

In April, Harlingen sees daytime highs around 10°C and nights near 7°C. Pack a warm layer. Worth having: rain gear, sun protection and a windbreaker. About 9 days see rain.

a warm layerrain gearsun protectiona windbreaker

Sea temperature near Harlingen in April

The nearest coast averages about 9°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 19°C and coldest in February near 5°C.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	6	5	6	9	12	15	18	19	17	14	11	8
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Cool	Cool	Cool	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	6	Bracing
Feb	5	Bracing
Mar	6	Bracing
Apr	9	Bracing
May	12	Bracing
Jun	15	Cool
Jul	18	Cool
Aug	19	Cool
Sep	17	Cool
Oct	14	Bracing
Nov	11	Bracing
Dec	8	Bracing

UV index in Harlingen 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 Harlingen peaks around June 23 at about 6 (high) — a little sun protection helps at midday. 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 6 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	1	3	3	5	6	6	6	4	2	1	1
Level	Low	Low	Moderate	Moderate	High	High	High	High	Moderate	Low	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	1	Low
Mar	3	Moderate
Apr	3	Moderate
May	5	High
Jun	6	High
Jul	6	High
Aug	6	High
Sep	4	Moderate
Oct	2	Low
Nov	1	Low
Dec	1	Low

Location & terrain

Where is Harlingen?

Harlingen sits at 53.2°N, 5.4°E, 3 m above sea level, in The Netherlands. The nearest listed city is Sneek, 22 km away.

Topography around Harlingen

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

Within 3 km, the terrain around Harlingen has only modest variations in elevation — a maximum elevation change of 11 m around an average of 0 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 17 m; within 80 km, only modest variations in elevation — a maximum elevation change of 65 m.

The land around Harlingen is covered by water (47%) and grassland (23%) within 3 km, water (55%) and grassland (30%) within 16 km, and water (54%) and grassland (26%) within 80 km.

3 km

11 m

water 47%

16 km

17 m

water 55%

80 km

65 m

water 54%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetland

← March Harlingen year-round climate May →Best places to visit in April

April weather nearby: Sneek 22 km · Leeuwarden 26 km · Heerenveen 41 km · Drachten 46 km · Medemblik 50 km · Den Helder 50 km · Enkhuizen 53 km · Julianadorp 56 km

The Netherlands travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / F; 230 V · 50 Hz
Prices: ≈ 84% of US; price level, 2025
GDP per capita: $73,684; 2025
Happiness: 7.2 / 10; World Happiness, 2025
Safe drinking water: 100%; of population, 2024
Homicide rate: 0.7; per 100k, 2023
Road deaths: 4; per 100k/yr, 2019
Income group: High; World Bank
English: Very high; EF EPI 624
Religion

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 Harlingen (53.1748°, 5.4224°, 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).

	Avg high (°C)	Avg low (°C)
1	9	6
2	9	6
3	9	6
4	9	6
5	9	6
6	9	6
7	9	6
8	9	6
9	9	6
10	9	6
11	9	6
12	10	7
13	10	7
14	10	7
15	10	7
16	10	7
17	10	7
18	10	7
19	11	7
20	11	7
21	11	8
22	11	8
23	11	8
24	11	8
25	11	8
26	11	8
27	12	8
28	12	8
29	12	8
30	12	9

	Clearer (%)	Cloudier (%)
1	46	54
2	46	54
3	47	53
4	47	53
5	46	54
6	46	54
7	45	55
8	46	54
9	46	54
10	46	54
11	48	52
12	48	52
13	48	52
14	49	51
15	50	50
16	50	50
17	50	50
18	50	50
19	49	51
20	49	51
21	50	50
22	50	50
23	49	51
24	49	51
25	48	52
26	46	54
27	46	54
28	45	55
29	45	55
30	45	55

	Rain chance (%)
1	32
2	31
3	31
4	31
5	30
6	30
7	30
8	30
9	29
10	29
11	28
12	28
13	27
14	27
15	27
16	27
17	27
18	27
19	27
20	28
21	28
22	29
23	29
24	30
25	30
26	30
27	31
28	31
29	32
30	32

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	9	6
2	9	6
3	9	6
4	9	6
5	9	6
6	9	6
7	9	6
8	9	6
9	9	6
10	9	6
11	9	6
12	10	7
13	10	7
14	10	7
15	10	7
16	10	7
17	10	7
18	10	7
19	11	7
20	11	7
21	11	8
22	11	8
23	11	8
24	11	8
25	11	8
26	11	8
27	12	8
28	12	8
29	12	8
30	12	9

	Clearer (%)	Cloudier (%)
1	46	54
2	46	54
3	47	53
4	47	53
5	46	54
6	46	54
7	45	55
8	46	54
9	46	54
10	46	54
11	48	52
12	48	52
13	48	52
14	49	51
15	50	50
16	50	50
17	50	50
18	50	50
19	49	51
20	49	51
21	50	50
22	50	50
23	49	51
24	49	51
25	48	52
26	46	54
27	46	54
28	45	55
29	45	55
30	45	55

	Rain chance (%)
1	32
2	31
3	31
4	31
5	30
6	30
7	30
8	30
9	29
10	29
11	28
12	28
13	27
14	27
15	27
16	27
17	27
18	27
19	27
20	28
21	28
22	29
23	29
24	30
25	30
26	30
27	31
28	31
29	32
30	32

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	9	6
2	9	6
3	9	6
4	9	6
5	9	6
6	9	6
7	9	6
8	9	6
9	9	6
10	9	6
11	9	6
12	10	7
13	10	7
14	10	7
15	10	7
16	10	7
17	10	7
18	10	7
19	11	7
20	11	7
21	11	8
22	11	8
23	11	8
24	11	8
25	11	8
26	11	8
27	12	8
28	12	8
29	12	8
30	12	9

	Clearer (%)	Cloudier (%)
1	46	54
2	46	54
3	47	53
4	47	53
5	46	54
6	46	54
7	45	55
8	46	54
9	46	54
10	46	54
11	48	52
12	48	52
13	48	52
14	49	51
15	50	50
16	50	50
17	50	50
18	50	50
19	49	51
20	49	51
21	50	50
22	50	50
23	49	51
24	49	51
25	48	52
26	46	54
27	46	54
28	45	55
29	45	55
30	45	55

	Rain chance (%)
1	32
2	31
3	31
4	31
5	30
6	30
7	30
8	30
9	29
10	29
11	28
12	28
13	27
14	27
15	27
16	27
17	27
18	27
19	27
20	28
21	28
22	29
23	29
24	30
25	30
26	30
27	31
28	31
29	32
30	32

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100