Weather in Amsterdam

August is the warmest month (average 17.9°C, high 21.1°C) and January is the coolest (average 3.5°C, low 1.7°C). That 14.4°C swing in monthly averages is the first thing to plan around in Amsterdam.

Rain is about 827 mm of rain spread through the year. The wettest month is August at 90 mm; the driest is April at 39 mm. Amsterdam is in Netherlands at 52.4°N. The 2001–2020 NASA POWER daily record describes a mild oceanic climate. On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are June, July, and August.

Temperature through the year

Monthly average highs run from 5.4°C in January to 21.1°C in August. Nights follow the same curve: 1.7°C in January and 14.7°C in August.

Mean high across all twelve months is 13.3°C and mean low is 7.7°C. These are 20-year grid averages, so a city station can read a few degrees warmer or cooler.

Rainfall pattern

Annual rainfall is 827 mm. August leads at 90 mm; April is lightest at 39 mm.

A rainy day here is a day with at least 1 mm in the NASA POWER series. August averages 15 such days; April averages 9.

What stands out month by month

January is the coolest month, with lows around 1.7°C and highs near 5.4°C. Rainfall is 75 mm. April is the driest month, averaging only 39 mm across 9 rainy days. Highs sit near 12.8°C. August is both the hottest and wettest month: highs around 21.1°C, 90 mm of rain, and 80% humidity.

In September, Amsterdam averages 18.5°C by day and 12.4°C at night, with 70 mm of rain. In October, Amsterdam averages 14.5°C by day and 9.1°C at night, with 79 mm of rain. November: 9.8°C high, 5.8°C low, 76 mm rain, 90% humidity.

Best months to visit Amsterdam

The three months with the highest comfort score are June, July, and August: June (15.6°C average, 63 mm, 79% humidity); July (17.8°C average, 81 mm, 79% humidity); August (17.9°C average, 90 mm, 80% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you prefer the hottest stretch, that is August. The coolest stretch is January.

How Amsterdam compares inside Netherlands

Amsterdam is the only Netherlands city in this dataset, so the figures on this page are the national sample we publish. They still come from the same NASA POWER daily series (2001–2020) used everywhere else on the site.