Ishøj Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ishøj.
Climate overview of Ishøj
The climate in Ishøj, Hovedstaden, Denmark, is marked by large temperature swings across the seasons, ranging from 22°C (72°F) in July to 4°C (39°F) in January.
The city receives around 756 mm (30 in) of rain/snowfall per year. It experiences pleasant summers and cold winters. August is the wettest month and April the driest. Sunshine peaks in May, when the city sees around 7.7 hours of sunshine per day.
Ishøj Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ishøj - and find the best time to visit.
Monthly Temperature in Ishøj
In Ishøj, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a pleasant 22°C (72°F) in July to a chilly 4°C (39°F) in January.
Nighttime temperatures range from 14°C (57°F) in July to 0°C (32°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ishøj
On average, Ishøj receives a reasonable amount of rain/snowfall, with an annual precipitation of 756 mm (30 in). The amount of precipitation varies moderately throughout the year. The wettest month, August, sees around 80 mm (3.1 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, April, still receives a respectable 45 mm (1.8 in) of rainfall. For more details, please visit our Ishøj Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Ishøj
In Ishøj, summer days are longer and more sunny, with daily sunshine hours peaking at 7.7 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.3 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Ishøj
The mean water temperature over the year ranges from 2°C (36°F) in February to 16°C (61°F) in July.
Water temperature over the year
Humidity in Ishøj by Month
The relative humidity is high throughout the year in Ishøj.
The city experiences its highest humidity in January, reaching 86%. In May, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Ishøj
The mean wind speed varies between 4 m/s (8 knots) and 6 m/s (12 knots) throughout the year. It is lowest in June and August and highest during January, February, March, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Ishøj
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: May and July
- Warmest water temperature: July and August, although the water may still feel cool.
- Seasonal pattern: Pleasant summers and cold winters
- Coldest conditions: January, with freezing nights around 0°C (32°F).
Frequently asked questions about the climate in Ishøj
What is the best time to visit Ishøj?
July and August typically offer the most optimal weather in Ishøj. In contrast, January, February, March, November and December tend to have less optimal conditions. Ishøj has pleasant summers and cold winters.
What temperatures can I expect in Ishøj?
Daytime highs range from 4°C (39°F) in January to 22°C (72°F) in July. Nighttime lows range from 0°C (32°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Ishøj get?
Annual rainfall is around 756 mm (30 in). August is the wettest month with 80 mm (3.1 in), while April is the driest with 45 mm (1.8 in).
How sunny is Ishøj?
Ishøj receives around 1,630 hours of sunshine per year. May is the sunniest month with 230 hours, while December is the cloudiest with just 40 hours.
Ishøj 3-Day Forecast
Ishøj on the map
Ishøj is highlighted - select any city to see its climate.
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