January in Haarlem — the hardest end of the year
Hardest · 4.4/10Expect 6°C (43°F) in January. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 85 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 8 hours of daylight to work around it.
That is 4.4/10 on the same scale — 10th of 12 months, versus 8.8/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
If your dates are flexible, June is materially better in Haarlem — 4.4 points higher on the same scale.
February in Haarlem — the hardest end of the year
Hardest · 4.6/10Expect 7°C (45°F) in February. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 83 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 9.6 hours of daylight to work around it.
That is 4.6/10 on the same scale — 9th of 12 months, versus 8.8/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
If your dates are flexible, June is materially better in Haarlem — 4.2 points higher on the same scale.
March in Haarlem — middling scores, decent value
Trade-offs · 5.5/10March averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 75 mm, so plan one flexible day in three; you still get about 4 days with 6+ hours of sunshine and 11.5 hours of daylight.
It scores 5.5/10 here, 8th of 12 months, against 8.8/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Flexible dates? June scores 3.3 points higher here — enough to change the trip.
April holds up well in Haarlem — 5th best month
Good · 7/10Expect 9°C (49°F) in April. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 64 mm of rain this month — a flexible day or two helps — with about 14 days with 6+ hours of sunshine and 13.7 hours of daylight to work around it.
That is 7/10 on the same scale — 5th of 12 months, versus 8.8/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
If your dates are flexible, June is materially better in Haarlem — 1.8 points higher on the same scale.
May holds up well in Haarlem — 4th best month
Good · 8/10May averages 13°C (56°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 70 mm, so plan one flexible day in three; you still get about 23 days with 6+ hours of sunshine and 15.5 hours of daylight.
It scores 8/10 here, 4th of 12 months, against 8.8/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
June in Haarlem tops the year's climate scores
Best window · 8.8/10Temperatures hover around 16°C (61°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 56 mm of rain this month — a flexible day or two helps — with about 27 days with 6+ hours of sunshine and 16.5 hours of daylight to work around it.
On our climate-comfort scale this is the top-ranked month of the year for Haarlem at 8.8/10 — the reference point every other month on this page is measured against.
Budget for peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
July is one of the strongest months in Haarlem (2nd)
Best window · 8.6/10Temperatures hover around 18°C (65°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 67 mm of rain this month — a flexible day or two helps — with about 23 days with 6+ hours of sunshine and 16.1 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Haarlem at 8.6/10 (2nd of 12), just behind June at 8.8/10.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
August in Haarlem — one of the year's strongest windows (3rd)
Best window · 8.5/10August averages 19°C (67°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rainfall runs 64 mm, so plan one flexible day in three; you still get about 19 days with 6+ hours of sunshine and 14.5 hours of daylight.
A 8.5/10 puts this among the year's best months in Haarlem (3rd of 12); only June scores higher, at 8.8/10.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, a hat and real sun protection, a packable rain layer.
September in Haarlem: mixed conditions, plan around the weather
Trade-offs · 6.9/10September averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 104 mm this is a genuinely wet month: about 8 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 6.9/10 here, 6th of 12 months, against 8.8/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Flexible dates? June scores 1.9 points higher here — enough to change the trip.
October in Haarlem: mixed conditions, plan around the weather
Trade-offs · 6.1/10Temperatures hover around 15°C (58°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 90 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 10.3 hours of daylight to work around it.
That is 6.1/10 on the same scale — 7th of 12 months, versus 8.8/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
If your dates are flexible, June is materially better in Haarlem — 2.7 points higher on the same scale.
November in Haarlem: expect compromises
Hardest · 4.3/10Expect 10°C (50°F) in November. A good month for city streets, viewpoints and long meals; leave swimming for another season.
132 mm of rain signals a properly wet month, with only almost no days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 4.3/10 on the same scale — 11th of 12 months, versus 8.8/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
If your dates are flexible, June is materially better in Haarlem — 4.5 points higher on the same scale.
December in Haarlem: expect compromises
Hardest · 4.2/10December averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 100 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 7.5 hours of daylight.
It scores 4.2/10 here, 12th of 12 months, against 8.8/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Flexible dates? June scores 4.6 points higher here — enough to change the trip.
