Best time to visit Delft
Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
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.
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 Delft
22 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Delft).
- 1
The Hague, Delft and Rotterdam Small-Group Tour (Max. 8 People) - 2
Walking Tour of Delft - The City of Orange and Blue - 3
Private Walking Tour of Delft: Dive into the Dutch Golden Age - 4
Rotterdam & Delft: Private Tour with Cube House and Transfer - 5
Get the best out of Delft by creating memories during our private walking tour! - 6
Delft: Explore the city at your own pace! - 7
Delft: Private Walking Tour and Royal Delft Factory - 8
The Hague, Delft and Rotterdam: Private Day Tour with Lunch - 9
Delft & Rotterdam: Private Day Tour with Private Boat Ride - 10
Delft Quest: The Blue Pottery Mystery of Old Delft - 11
Go cycling through Delft! Culturally relaxed with a professional guide! - 12
privatetour Delft, The Hague&Rotterdam Kinderdijk from Amsterdam - 13
Delft: City Walk with Audio Guide in 7 Languages on your Phone - 14
Delft: English Walking Tour of the Old City Center - 15
Rotterdam & Delft Daily Walking Tour - 16
Skip-the-line Royal Palace of Amsterdam Private Guided Tour - 17
Private Walking Tour of Delft + Beer Tasting - 18
Escape Delft City Walk with Puzzles - 19
Discover Delft's Golden Age: A Self-Guided Tour - 20
Essential Amsterdam Guided Walking Tour - 21
90 minutes Self Guided Walking Tour with puzzles in Delft - 22
Fun Discovery Walk in Delft: Secret Alleys & Blue Ceramics
Last refreshed 2026-08-13.
Similar climatesThe Hague98% · Rotterdam98% · Leiden98%
Other destinations with the most-alike year-round climate to Delft (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 Delft'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 | 3–7 | 3 | 13 | 173 | 13.3 | 82% | 25 | 93 | 1 | Quiet | 4 |
| Feb | 4–9 | 5 | 15 | 166 | 11.1 | 79% | 28 | 106 | 1 | Moderate | 4 |
| Mar | 4–11 | 7 | 14 | 161 | 11.5 | 70% | 23 | 175 | 2 | Moderate | 5 |
| Apr | 5–13 | 10 | 12 | 143 | 11.9 | 63% | 22 | 225 | 3 | Busy | 6 |
| May | 9–17 | 15 | 13 | 149 | 11.5 | 65% | 20 | 274 | 4 | Busy | 6 |
| Jun | 13–21 | 20 | 12 | 132 | 11.0 | 63% | 20 | 275 | 5 | Moderate | 8 |
| Jul | 14–21 | 20 | 16 | 191 | 11.9 | 67% | 21 | 266 | 5 | Moderate | 7 |
| Aug | 15–23 | 22 | 13 | 158 | 12.2 | 66% | 20 | 264 | 5 | Peak | 7 |
| Sep | 13–20 | 19 | 12 | 153 | 12.8 | 70% | 19 | 212 | 3 | Peak | 7 |
| Oct | 10–16 | 14 | 17 | 197 | 11.6 | 78% | 23 | 138 | 2 | Busy | 5 |
| Nov | 6–11 | 8 | 18 | 194 | 10.8 | 82% | 22 | 97 | 1 | Moderate | 4 |
| Dec | 4–8 | 4 | 16 | 208 | 13.0 | 87% | 23 | 64 | — | Quiet | 3 |
UV Index in Delft by Month
UV index in Delft peaks at 5 (moderate) in June, dropping to 0 (low) in December.
Best months in detail
June
8/1013–21°C (feels 20°C) · 12 rain days (132h) · 275 sun hours · 63% humidity · Moderate crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 7 (high)
August
7/1015–23°C · 13 rain days (158h) · 264 sun hours · 66% humidity · Peak crowd · UV 5 (moderate)
September
7/1013–20°C · 12 rain days (153h) · 212 sun hours · 70% humidity · Peak crowd · UV 3 (moderate)
Every month
Show the other 9 months in detail
January
4/103–7°C (feels 3°C) · 13 rain days (173h) · 93 sun hours · 82% humidity · Quiet crowd · UV 1 (low)
February
4/104–9°C (feels 5°C) · 15 rain days (166h) · 106 sun hours · 79% humidity · Moderate crowd · UV 1 (low)
March
5/104–11°C (feels 7°C) · 14 rain days (161h) · 175 sun hours · 70% humidity · Moderate crowd · UV 2 (low) · sunniest 1 in 10 days reach 3 (moderate)
April
6/105–13°C (feels 10°C) · 12 rain days (143h) · 225 sun hours · 63% humidity · Busy crowd · UV 3 (moderate)
May
6/109–17°C (feels 15°C) · 13 rain days (149h) · 274 sun hours · 65% humidity · Busy crowd · UV 4 (moderate)
July
7/1014–21°C · 16 rain days (191h) · 266 sun hours · 67% humidity · Moderate crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 7 (high)
October
5/1010–16°C (feels 14°C) · 17 rain days (197h) · 138 sun hours · 78% humidity · Busy crowd · UV 2 (low)
November
4/106–11°C (feels 8°C) · 18 rain days (194h) · 97 sun hours · 82% humidity · Moderate crowd · UV 1 (low)
December
3/104–8°C (feels 4°C) · 16 rain days (208h) · 64 sun hours · 87% humidity · Quiet crowd
Frequently asked questions about visiting Delft
When is the best time to visit Delft?
June is the highest-scoring month (8/10 on the Holiday Climate Index). Typical conditions: 13–21°C (12 rainy days). The top three months by score are June, August, September.
What is the worst time to visit Delft?
December is the lowest-scoring month (3/10). Typical conditions: 4–8°C (16 rainy days).
When are crowds lowest in Delft?
Search-interest seasonality (Google Trends 2021-2025) is lowest in December and peaks in August. 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 Delft have good weather but fewer tourists?
July (climate 7/10, crowd index 40) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.
What is the UV index in Delft by month?
UV peaks at 5 (moderate) in June and is lowest in December at 0 (low). Monthly peak values: Jan 1, Feb 1, Mar 2, Apr 3, May 4, Jun 5, Jul 5, Aug 5, Sep 3, Oct 2, Nov 1, Dec —.
What is the UV index in Delft in June?
June is the peak UV month in Delft, with a daily-peak UV index of 5 (moderate). Standard sun protection — sunglasses and light SPF — is recommended.
How high can UV get in Delft 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 Delft 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 14 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.