Weather in Amsterdam in August

Daylight on the 15th: 14 h 42 min
Average high: 21 °C (71 °F)
Average low: 15 °C (59 °F)
Precipitation: 78 mm

In August, the area around Amsterdam averages daytime highs of 21 °C (71 °F) and night-time lows of 15 °C (59 °F). Days are mild; a light jacket covers most of it.

Temperature

Compared with July, August is about as warm, and September is cooler by 3 °C than August. The daily average is 18 °C (65 °F).

August is the warmest month of the year.

Precipitation, humidity and wind

Precipitation averages about 78 mm over the month, with 15 days of at least 1 mm. Expect some wet days, but not every day.

Relative humidity averages 79 % and wind at 2 m about 3.5 m/s.

Daylight

On 15 August the sun rises at 06:24 and sets at 21:06 local time, for 14 h 42 min of daylight, 97 minutes less than a month earlier.

About these numbers

The figures are 2011-2020 averages for the grid cell around Amsterdam from the NASA POWER project, a model based data set. They describe the area rather than one weather station, and a single year can differ.

Month by month

Month	High	Low	Precipitation
January	6 °C	2 °C	74 mm
February	6 °C	1 °C	58 mm
March	9 °C	3 °C	47 mm
April	13 °C	6 °C	38 mm
May	16 °C	9 °C	52 mm
June	19 °C	13 °C	72 mm
July	21 °C	15 °C	76 mm
August	21 °C	15 °C	78 mm
September	19 °C	12 °C	67 mm
October	15 °C	9 °C	83 mm
November	10 °C	6 °C	66 mm
December	7 °C	4 °C	86 mm

Questions

How warm is Amsterdam in August?

Average highs of 21 °C (71 °F) and lows of 15 °C (59 °F) (2011-2020 averages).

Does it rain a lot in Amsterdam in August?

About 78 mm over the month, on 15 days with at least 1 mm.

Sources

NASA Langley Research Center POWER Project, funded through the NASA Earth Science Directorate Applied Science Program (2026-09-22)
Computed from the city coordinates with the NOAA solar position equations
IANA tz database
Wikidata, CC0 (2026-09-22)