Amstelveen's winter months, January and February, are quite chilly, with temperatures often below freezing and averaging around 3-5°C. As spring arrives in March and April, the temperatures gradually rise, with March experiencing warmer days but still cold nights, while April brings more consistent mildness. Summer months, June to August, bring pleasant warmth, with July being the warmest month, followed by a gentle decline into autumn, with September's temperatures similar to those of May, and October's chill returning in November. The winter months return in December, with temperatures ranging from freezing to mild days.