January in Haarlem — the hardest end of the year
Hardest · 4.4/10January averages 6°C (43°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 85 mm, so plan one flexible day in three; you still get about 0 sunny days and 8 hours of daylight.
It scores 4.4/10 here, 10th of 12 months, against 8.8/10 in the destination's best month.
Expect mid-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 · 4.6/10February averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 83 mm, so plan one flexible day in three; you still get about 0 sunny days and 9.6 hours of daylight.
It scores 4.6/10 here, 9th of 12 months, against 8.8/10 in the destination's best month.
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 — workable with trade-offs
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 sunny days 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.
Expect mid-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 — 3.3 points higher on the same scale.
April in Haarlem — reliably good (5th best month)
Good · 7/10April averages 9°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 64 mm, so plan one flexible day in three; you still get about 14 sunny days and 13.7 hours of daylight.
It scores 7/10 here, 5th of 12 months, against 8.8/10 in the destination's best month.
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 in Haarlem — reliably good (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 sunny days 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.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
June in Haarlem — the year's strongest window
Best window · 8.8/10June averages 16°C (61°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 56 mm, so plan one flexible day in three; you still get about 27 sunny days and 16.5 hours of daylight.
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.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
July in Haarlem — the year's strongest window
Best window · 8.6/10July averages 18°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 67 mm, so plan one flexible day in three; you still get about 23 sunny days and 16.1 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Haarlem at 8.6/10 — the reference point every other month on this page is measured against.
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 — the year's strongest window
Best window · 8.5/10August averages 19°C (67°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 64 mm, so plan one flexible day in three; you still get about 19 sunny days and 14.5 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Haarlem at 8.5/10 — the reference point every other month on this page is measured against.
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 light clothing, swimwear and real sun protection, a packable rain layer.
September in Haarlem — workable with trade-offs
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 sunny days 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.
Expect mid-season pricing, and 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.
If your dates are flexible, June is materially better in Haarlem — 1.9 points higher on the same scale.
October in Haarlem — workable with trade-offs
Trade-offs · 6.1/10October averages 15°C (58°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 90 mm, so plan one flexible day in three; you still get about 0 sunny days and 10.3 hours of daylight.
It scores 6.1/10 here, 7th of 12 months, against 8.8/10 in the destination's best month.
Expect mid-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 — the hardest end of the year
Hardest · 4.3/10November averages 10°C (50°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 132 mm this is a genuinely wet month: about 0 sunny days in total, and outdoor plans need an indoor fallback.
It scores 4.3/10 here, 11th of 12 months, against 8.8/10 in the destination's best month.
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 — the hardest end of the year
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 about 0 sunny days 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.
Expect mid-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 — 4.6 points higher on the same scale.
