Sun, sea & sand

Harlingen weather in August

Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.

28

Holiday weather in August

Poor

Best time to visit: April – August

What is the weather like in Harlingen in August?

In August, Harlingen is mild: daytime highs average 20 °C, and nights cool down to about 16 °C. The sea averages 19.0 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. It rains often – on about 15 days, adding up to 111 mm. All in all, August is not an ideal month for a holiday in Harlingen.

August compared

How the weather changes from July to September. Tap a month to open it.

JulyJulAugustAugSeptemberSep
Score232815
Day19°20°17°
Night16°16°14°
Sea18°19°17°
Sun8 h7 h5 h
Rain days151513

More details for August

Daylight
14 h 51 min06:17 – 21:09
UV index
5 · moderateclear sky, noon (estimate)All months
Muggy days
1 daydew point 18 °C or moreAll months
Wind
28 km/haverage daily peakAll months
Cloud cover
61 %on averageAll months
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+2Europe/Amsterdam

How the score comes together

  • Temperatureweight 35 %10 %
  • Seaweight 25 %29 %
  • Sunshineweight 20 %63 %
  • Few rainy daysweight 20 %24 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in August

  • Wetsuit for longer swims
  • Sunscreen
  • Rain jacket or umbrella

Harlingen in August: quick answers

Is Harlingen hot in August?

No. In August, Harlingen is mild: daytime highs average 20 °C and nights drop to about 16 °C.

Can you swim in Harlingen in August?

Only if you don't mind cold water: in August the sea averages just 19.0 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Harlingen in August?

It rains often – on about 15 days, adding up to 111 mm.

Harlingen month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences