Heiloo weather
At 8:00 PM local time it was cloudy and 6°C (43°F). Light rain for 2 of the next 24 hours (under 1 mm/h, 0.2 mm total) — cloudy, but fine to be out. Best months for weather: May–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Heiloo, North Holland, The Netherlands.
Current conditions
- Clouds
- 92%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 2 of the next 24 hours (under 1 mm/h, 0.2 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Nov–Mar
About Heiloo weather
Is it raining in Heiloo right now?
No. It’s cloudy and 6° right now. Light rain for 2 of the next 24 hours (under 1 mm/h, 0.2 mm total) — cloudy, but fine to be out.
What’s the weather like in Heiloo this week?
Over the next 7 days, expect highs of 7–12° and lows of 3–9°. Rain is likely on 1 of 7 days (Monday). The driest day looks like Saturday.
Has it been raining in Heiloo lately?
In the past 7 days, Heiloo had 4 rainy days and 27.0 mm of rain in total.
What should I pack for Heiloo?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Heiloo weather by month
When is the best time to visit Heiloo?
Based on weather alone, the best time to visit Heiloo is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from 5°C (42°F) in January to 21°C (70°F) in July.
What is the rainiest month in Heiloo?
August is the wettest month, with about 90 mm (3.5 in) of rain on average. April is the driest, with about 40 mm (1.6 in).
What is the hottest month in Heiloo?
July is the warmest, with average highs of 21°C (70°F) and lows of 15°C (58°F). January is the coolest, with highs of 5°C (42°F) and lows of 2°C (35°F).
Does Heiloo have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is August at about 90 mm (3.5 in).
How warm is the sea in Heiloo?
The sea is warmest in August at about 20°C (68°F) and coolest in January at about 6°C (43°F). It stays cool all year.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months