- January
- Cold, some rain Cold winter weather, few tourists. Crowds: January in Alkmaar is workable with normal seasonal planning; build in layers, weather checks, and a mix of indoor and outdoor activities. Pack: Pack layered clothing and comfortable walking shoes. Add a rain jacket or compact umbrella.
- February
- Cold, some rain Chilly and quiet, good for museums. Crowds: February in Alkmaar is workable with normal seasonal planning; build in layers, weather checks, and a mix of indoor and outdoor activities. Pack: Pack layered clothing and comfortable walking shoes. Add a rain jacket or compact umbrella.
- March
- Cold, occasional rain Beginning to warm up, spring blossoms. Crowds: March in Alkmaar is workable with normal seasonal planning; build in layers, weather checks, and a mix of indoor and outdoor activities. Pack: Pack layered clothing and comfortable walking shoes.
- April
- Cool to mild, occasional rain Pleasant spring weather, great for walking. Crowds: April in Alkmaar is workable with normal seasonal planning; build in layers, weather checks, and a mix of indoor and outdoor activities. Pack: Pack layered clothing and comfortable walking shoes.
- May
- Cool to mild, occasional rain Excellent weather before the summer crowds. Crowds: May in Alkmaar is workable with normal seasonal planning; build in layers, weather checks, and a mix of indoor and outdoor activities. Pack: Pack layered clothing and comfortable walking shoes.
- June
- Cool to mild, some rain Warm, sunny, and lively. Crowds: June in Alkmaar is workable with normal seasonal planning; build in layers, weather checks, and a mix of indoor and outdoor activities. Pack: Pack layered clothing and comfortable walking shoes. Add a rain jacket or compact umbrella.
- July
- Mild to warm, some rain Peak summer heat and peak tourist season. Crowds: July in Alkmaar is workable with normal seasonal planning; build in layers, weather checks, and a mix of indoor and outdoor activities. Pack: Pack layered clothing and comfortable walking shoes. Add a rain jacket or compact umbrella.
- August
- Mild to warm, some rain Very warm, many festivals and outdoor dining. Crowds: August in Alkmaar is workable with normal seasonal planning; build in layers, weather checks, and a mix of indoor and outdoor activities. Pack: Pack layered clothing and comfortable walking shoes. Add a rain jacket or compact umbrella.
- September
- Cool to mild, some rain Perfect shoulder season with great weather. Crowds: September in Alkmaar is workable with normal seasonal planning; build in layers, weather checks, and a mix of indoor and outdoor activities. Pack: Pack layered clothing and comfortable walking shoes. Add a rain jacket or compact umbrella.
- October
- Cool to mild, some rain Crisp autumn air and beautiful colors. Crowds: October in Alkmaar is workable with normal seasonal planning; build in layers, weather checks, and a mix of indoor and outdoor activities. Pack: Pack layered clothing and comfortable walking shoes. Add a rain jacket or compact umbrella.
- November
- Cool to mild, some rain Cooling down rapidly, often rainy. Crowds: November in Alkmaar is workable with normal seasonal planning; build in layers, weather checks, and a mix of indoor and outdoor activities. Pack: Pack layered clothing and comfortable walking shoes. Add a rain jacket or compact umbrella.
- December
- Cold, some rain Cold but festive holiday atmosphere. Crowds: December in Alkmaar is workable with normal seasonal planning; build in layers, weather checks, and a mix of indoor and outdoor activities. Pack: Pack layered clothing and comfortable walking shoes. Add a rain jacket or compact umbrella.