Best time to visit Haarlem

Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
I'm comfortable up to 27°C feels-like
22° heat-averse 30° heat-loving

Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.

Saved to this browser. Changes update the strips below.
Recent · 2020-2024
Interest Google Trends 2021-2025 searches, not arrivals (?)
Day · avg daily high (?)
Night · avg overnight low (?)
UV index · On a typical day around midday, UV is about this (?)
1234554321
On the sunniest 1 in 10 days, UV reaches this — and even higher
376
PM2.5 air quality · on a typical day (?)
10121310987888910
On the worst 1 in 10 days, PM2.5 reaches this — and even higher
242227171511121315131620
June 7/10 feels 19°C (+3°C vs 1991-2020) · HCI 75/100
Day 20° · Night 13° 67% humidity 21 km/h wind 11 rain days (130h) 268h sun
Thermal 8
Sky 8
Rain 6
Wind 10

Higher = better, including rain & wind (green = "doesn't hurt the score", not "lots of it").

How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.

Compare with another destination

Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.

Tours in Haarlem

6 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Haarlem).

  1. 1Hidden Courtyards of Haarlem Self-Guided Walking Tour5.00★ (1)from $11
  2. 2Self Guided Asian Food Tour Haarlem5.00★ (4)3hfrom $41
  3. 3Haarlem Highlights: Windmills, Masters & Hidden Storiesfrom $9
  4. 410 Tastes of Haarlem Food Tour: Full Meal, 15 min from Amsterdam4.87★ (30)from $195
  5. 5Haarlem Old Town Private Walking Tour4.96★ (24)3hfrom $284
  6. 6Haarlem Walking Tour. Unknown and Surprising5.00★ (5)2h 30mfrom $337

Last refreshed 2026-06-18.

Similar climatesThe Hague98% · Leiden98% · Amsterdam97%

Other destinations with the most-alike year-round climate to Haarlem (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Haarlem's. Based on the 2020-2024 climatology, not this year's actual weather.

Month-by-month

Month Temp °C Feels °C Rain days Rain h Rain h/day Humidity Wind km/h Sun h UV Interest Score
Jan 4–7 3 14 183 13.1 82% 28 89 — Quiet 3
Feb 4–9 4 16 185 11.6 81% 31 103 1 Quiet 3
Mar 4–10 6 12 147 12.3 72% 25 173 2 Quiet 5
Apr 6–12 9 11 144 13.1 65% 25 226 3 Quiet 5
May 9–16 14 13 145 11.2 69% 22 272 4 Quiet 6
Jun 13–20 19 11 130 11.8 67% 21 268 5 Quiet 7
Jul 15–20 19 16 195 12.2 70% 23 268 5 Quiet 6
Aug 16–22 21 13 155 11.9 69% 22 262 4 Peak 7
Sep 13–20 19 12 154 12.8 72% 21 208 3 Busy 7
Oct 11–15 13 18 212 11.8 80% 26 138 2 Busy 4
Nov 7–11 7 17 210 12.4 82% 26 95 1 Peak 4
Dec 4–8 4 17 204 12.0 86% 26 60 — Busy 3

UV Index in Haarlem by Month

UV index in Haarlem peaks at 5 (moderate) in June, dropping to 0 (low) in January.

Best months in detail

June

7/10

13–20°C (feels 19°C) · 11 rain days (130h) · 268 sun hours · 67% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 7 (high)

August

7/10

16–22°C · 13 rain days (155h) · 262 sun hours · 69% humidity · Peak crowd · UV 4 (moderate)

September

7/10

13–20°C (feels 19°C) · 12 rain days (154h) · 208 sun hours · 72% humidity · Busy crowd · UV 3 (moderate)

Every month

Show the other 9 months in detail

January

3/10

4–7°C (feels 3°C) · 14 rain days (183h) · 89 sun hours · 82% humidity · Quiet crowd

February

3/10

4–9°C (feels 4°C) · 16 rain days (185h) · 103 sun hours · 81% humidity · Quiet crowd · UV 1 (low)

March

5/10

4–10°C (feels 6°C) · 12 rain days (147h) · 173 sun hours · 72% humidity · Quiet crowd · UV 2 (low) · sunniest 1 in 10 days reach 3 (moderate)

April

5/10

6–12°C (feels 9°C) · 11 rain days (144h) · 226 sun hours · 65% humidity · Quiet crowd · UV 3 (moderate)

May

6/10

9–16°C (feels 14°C) · 13 rain days (145h) · 272 sun hours · 69% humidity · Quiet crowd · UV 4 (moderate)

July

6/10

15–20°C (feels 19°C) · 16 rain days (195h) · 268 sun hours · 70% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 6 (high)

October

4/10

11–15°C (feels 13°C) · 18 rain days (212h) · 138 sun hours · 80% humidity · Busy crowd · UV 2 (low)

November

4/10

7–11°C (feels 7°C) · 17 rain days (210h) · 95 sun hours · 82% humidity · Peak crowd · UV 1 (low)

December

3/10

4–8°C (feels 4°C) · 17 rain days (204h) · 60 sun hours · 86% humidity · Busy crowd

Frequently asked questions about visiting Haarlem

When is the best time to visit Haarlem?

June is the highest-scoring month (7/10 on the Holiday Climate Index). Typical conditions: 13–20°C (11 rainy days). The top three months by score are June, August, September.

What is the worst time to visit Haarlem?

December is the lowest-scoring month (3/10). Typical conditions: 4–8°C (17 rainy days).

When are crowds lowest in Haarlem?

Search-interest seasonality (Google Trends 2021-2025) is lowest in January and peaks in November. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.

Which months in Haarlem have good weather but fewer tourists?

June (climate 7/10, crowd index 6) and May (climate 6/10, crowd index 5) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.

What is the UV index in Haarlem by month?

UV peaks at 5 (moderate) in June and is lowest in January at 0 (low). Monthly peak values: Jan —, Feb 1, Mar 2, Apr 3, May 4, Jun 5, Jul 5, Aug 4, Sep 3, Oct 2, Nov 1, Dec —.

What is the UV index in Haarlem in June?

June is the peak UV month in Haarlem, with a daily-peak UV index of 5 (moderate). Standard sun protection — sunglasses and light SPF — is recommended.

How high can UV get in Haarlem on the sunniest days?

Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. June is the worst case: typical days average UV 5 (moderate), but the top 10% of days reach UV 7 (high) — and even higher. Months where the sunniest days routinely exceed the typical reading: March, June, July. Plan sun protection for the worst case, not the average.

Is air quality in Haarlem bad for travelers?

PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 8 months: January, February, March, April, May, September, November, December. The worst month is March with a typical-day mean of 13 µg/m³ (moderate); on the worst 10% of days PM2.5 reaches 27 µg/m³ (unhealthy) and higher. People with asthma, heart conditions, or sensitive children may want to avoid these months or limit outdoor activity. Source: CAMS via Open-Meteo.