Katwijk aan Zee weather in October
In October, Katwijk aan Zee sees average daytime highs of 14°C and overnight lows near 10°C, with 93 mm of rain across 14 wet days and about 10.3 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.
Highs ease over the month, from about 16°C in the first days to 12°C by the end. The sky is clear or mostly clear about 14% of the time in October, and the air most often feels dry.
Daylight stretches from about 11 h 24 min at the start of October to 9 h 24 min by month's end. Set against the rest of the year, October is Katwijk aan Zee's 8th-clearest and 5th-windiest month. For the whole year in context, see Katwijk aan Zee's year-round climate.
- Daytime high
- 14°
- 6th warmest
- Overnight low
- 10°
- 8th coldest
- Rainfall
- 93 mm
- 14 wet days
- Daylight
- 10 h 18 min
- 7:17 AM – 5:38 PM
- Cloud cover
- 70%
- 8th clearest
- Wind
- 21 km/h
- 5th windiest
- Solar energy
- 1.84 kWh/m²
- Travel score
- 3.6
- out of 10
Katwijk aan Zee is dorp in Zuid-Holland, the Netherlands.
- Density
- 11,117/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Highs ease over the month, from about 16°C in the first days to 12°C by the end.
A typical October day in Katwijk aan Zee reaches about 14°C in the afternoon and slips back to 10°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 17°C. Set against its neighbours, October runs about 4°C cooler than September and about 4°C warmer than November.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 |
| Avg low (°C) | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 16 | 12 |
| 2 | 16 | 12 |
| 3 | 16 | 11 |
| 4 | 16 | 11 |
| 5 | 15 | 11 |
| 6 | 15 | 11 |
| 7 | 15 | 11 |
| 8 | 15 | 11 |
| 9 | 15 | 11 |
| 10 | 15 | 11 |
| 11 | 15 | 10 |
| 12 | 15 | 10 |
| 13 | 14 | 10 |
| 14 | 14 | 10 |
| 15 | 14 | 10 |
| 16 | 14 | 10 |
| 17 | 14 | 10 |
| 18 | 14 | 10 |
| 19 | 14 | 10 |
| 20 | 14 | 9 |
| 21 | 13 | 9 |
| 22 | 13 | 9 |
| 23 | 13 | 9 |
| 24 | 13 | 9 |
| 25 | 13 | 9 |
| 26 | 13 | 9 |
| 27 | 13 | 9 |
| 28 | 13 | 9 |
| 29 | 13 | 9 |
| 30 | 12 | 9 |
| 31 | 12 | 9 |
How October really feels in Katwijk aan Zee
Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Katwijk aan Zee weather by month
How October compares with the rest of the year at a glance. October is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 6° / 3° | 72 | 13.6 | 0.9 | 8 | 0.4 |
| Feb | 6° / 3° | 56 | 11.5 | 1.4 | 9.5 | 0.5 |
| Mar | 9° / 4° | 54 | 11.3 | 0.4 | 11.5 | 1.5 |
| Apr | 12° / 7° | 45 | 10.1 | 0 | 13.6 | 3.0 |
| May | 15° / 10° | 59 | 10.4 | 0 | 15.4 | 4.5 |
| Jun | 18° / 13° | 61 | 11 | 0 | 16.4 | 5.5 |
| Jul | 20° / 15° | 77 | 12.4 | 0 | 16 | 6.0 |
| Aug | 20° / 15° | 90 | 13.3 | 0 | 14.5 | 5.9 |
| Sep | 18° / 13° | 87 | 13 | 0 | 12.4 | 5.2 |
| Oct | 14° / 10° | 93 | 14 | 0 | 10.3 | 3.6 |
| Nov | 10° / 7° | 83 | 15.3 | 0.3 | 8.5 | 1.9 |
| Dec | 7° / 4° | 84 | 14.6 | 0.8 | 7.6 | 0.7 |
Cloud cover in October
The sky is clear or mostly clear about 14% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 69%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 32 | 33 | 33 | 33 | 34 | 34 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 30 | 30 | 29 | 28 | 28 |
| Cloudier (%) | 69 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 69 | 68 | 67 | 67 | 67 | 66 | 66 | 67 | 67 | 67 | 67 | 68 | 68 | 68 | 68 | 69 | 69 | 69 | 70 | 70 | 71 | 72 | 72 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 31 | 69 |
| 2 | 30 | 70 |
| 3 | 30 | 70 |
| 4 | 30 | 70 |
| 5 | 30 | 70 |
| 6 | 30 | 70 |
| 7 | 30 | 70 |
| 8 | 30 | 70 |
| 9 | 31 | 69 |
| 10 | 32 | 68 |
| 11 | 33 | 67 |
| 12 | 33 | 67 |
| 13 | 33 | 67 |
| 14 | 34 | 66 |
| 15 | 34 | 66 |
| 16 | 33 | 67 |
| 17 | 33 | 67 |
| 18 | 33 | 67 |
| 19 | 33 | 67 |
| 20 | 32 | 68 |
| 21 | 32 | 68 |
| 22 | 32 | 68 |
| 23 | 32 | 68 |
| 24 | 31 | 69 |
| 25 | 31 | 69 |
| 26 | 31 | 69 |
| 27 | 30 | 70 |
| 28 | 30 | 70 |
| 29 | 29 | 71 |
| 30 | 28 | 72 |
| 31 | 28 | 72 |
Chance of precipitation in October
Katwijk aan Zee gets around 93 mm of rain over 14 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 46% and peaks near 50% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 50 | 50 | 50 | 49 | 49 | 48 | 47 | 46 | 45 | 45 | 44 | 43 | 43 | 43 | 42 | 42 | 42 | 43 | 43 | 43 | 44 | 44 | 45 | 45 | 46 | 46 | 47 | 48 | 48 | 49 | 49 |
| Rain chance (%) | |
|---|---|
| 1 | 50 |
| 2 | 50 |
| 3 | 50 |
| 4 | 49 |
| 5 | 49 |
| 6 | 48 |
| 7 | 47 |
| 8 | 46 |
| 9 | 45 |
| 10 | 45 |
| 11 | 44 |
| 12 | 43 |
| 13 | 43 |
| 14 | 43 |
| 15 | 42 |
| 16 | 42 |
| 17 | 42 |
| 18 | 43 |
| 19 | 43 |
| 20 | 43 |
| 21 | 44 |
| 22 | 44 |
| 23 | 45 |
| 24 | 45 |
| 25 | 46 |
| 26 | 46 |
| 27 | 47 |
| 28 | 48 |
| 29 | 48 |
| 30 | 49 |
| 31 | 49 |
Humidity in October
Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the dry band about 87% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 74 | 75 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 84 | 85 | 86 | 86 | 87 | 88 | 89 | 89 | 90 | 91 | 92 | 92 | 93 | 94 | 94 | 95 | 95 | 96 | 96 | 97 | 97 |
| Comfortable (%) | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 12 | 11 | 11 | 10 | 9 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 |
| Humid (%) | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 74 | 25 | 1 |
| 2 | 75 | 24 | 1 |
| 3 | 77 | 23 | 0 |
| 4 | 78 | 22 | 0 |
| 5 | 79 | 21 | 0 |
| 6 | 80 | 20 | 0 |
| 7 | 81 | 19 | 0 |
| 8 | 82 | 18 | 0 |
| 9 | 83 | 17 | 0 |
| 10 | 84 | 16 | 0 |
| 11 | 84 | 16 | 0 |
| 12 | 85 | 15 | 0 |
| 13 | 86 | 14 | 0 |
| 14 | 86 | 14 | 0 |
| 15 | 87 | 13 | 0 |
| 16 | 88 | 12 | 0 |
| 17 | 89 | 11 | 0 |
| 18 | 89 | 11 | 0 |
| 19 | 90 | 10 | 0 |
| 20 | 91 | 9 | 0 |
| 21 | 92 | 8 | 0 |
| 22 | 92 | 8 | 0 |
| 23 | 93 | 7 | 0 |
| 24 | 94 | 6 | 0 |
| 25 | 94 | 6 | 0 |
| 26 | 95 | 5 | 0 |
| 27 | 95 | 5 | 0 |
| 28 | 96 | 4 | 0 |
| 29 | 96 | 4 | 0 |
| 30 | 97 | 3 | 0 |
| 31 | 97 | 3 | 0 |
Wind in October
Winds average 21 km/h in October.
Across October, daily wind ranges from about 20 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 20 | light breeze |
| 2 | 20 | light breeze |
| 3 | 20 | light breeze |
| 4 | 20 | light breeze |
| 5 | 20 | light breeze |
| 6 | 20 | breezy |
| 7 | 20 | breezy |
| 8 | 20 | breezy |
| 9 | 20 | breezy |
| 10 | 20 | breezy |
| 11 | 20 | breezy |
| 12 | 20 | breezy |
| 13 | 20 | breezy |
| 14 | 20 | breezy |
| 15 | 21 | breezy |
| 16 | 21 | breezy |
| 17 | 21 | breezy |
| 18 | 21 | breezy |
| 19 | 21 | breezy |
| 20 | 21 | breezy |
| 21 | 21 | breezy |
| 22 | 22 | breezy |
| 23 | 22 | breezy |
| 24 | 22 | breezy |
| 25 | 22 | breezy |
| 26 | 22 | breezy |
| 27 | 22 | breezy |
| 28 | 22 | breezy |
| 29 | 22 | breezy |
| 30 | 22 | breezy |
| 31 | 22 | breezy |
Sunrise & sunset in October
Daylight runs from about 11 h 24 min at the start of October to 9 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 120 minutes over October. Sunrise moves from 6:51 AM to 7:45 AM, and sunset from 6:12 PM to 5:07 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.4 | 11.3 | 11.2 | 11.2 | 11.1 | 11.0 | 10.9 | 10.9 | 10.8 | 10.7 | 10.7 | 10.6 | 10.5 | 10.5 | 10.4 | 10.3 | 10.3 | 10.2 | 10.1 | 10.1 | 10.0 | 9.9 | 9.9 | 9.8 | 9.7 | 9.7 | 9.6 | 9.6 | 9.5 | 9.4 | 9.4 |
| Sunrise (AM) | 6:51 | 6:52 | 6:54 | 6:56 | 6:58 | 6:59 | 7:01 | 7:03 | 7:05 | 7:07 | 7:08 | 7:10 | 7:12 | 7:14 | 7:15 | 7:17 | 7:19 | 7:21 | 7:23 | 7:25 | 7:26 | 7:28 | 7:30 | 7:32 | 7:34 | 7:36 | 7:37 | 7:39 | 7:41 | 7:43 | 7:45 |
| Sunset (PM) | 6:12 | 6:10 | 6:07 | 6:05 | 6:03 | 6:00 | 5:58 | 5:56 | 5:53 | 5:51 | 5:49 | 5:46 | 5:44 | 5:42 | 5:40 | 5:38 | 5:35 | 5:33 | 5:31 | 5:29 | 5:27 | 5:25 | 5:23 | 5:21 | 5:19 | 5:17 | 5:15 | 5:13 | 5:11 | 5:09 | 5:07 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.4 | 6:51 | 6:12 |
| 2 | 11.3 | 6:52 | 6:10 |
| 3 | 11.2 | 6:54 | 6:07 |
| 4 | 11.2 | 6:56 | 6:05 |
| 5 | 11.1 | 6:58 | 6:03 |
| 6 | 11.0 | 6:59 | 6:00 |
| 7 | 10.9 | 7:01 | 5:58 |
| 8 | 10.9 | 7:03 | 5:56 |
| 9 | 10.8 | 7:05 | 5:53 |
| 10 | 10.7 | 7:07 | 5:51 |
| 11 | 10.7 | 7:08 | 5:49 |
| 12 | 10.6 | 7:10 | 5:46 |
| 13 | 10.5 | 7:12 | 5:44 |
| 14 | 10.5 | 7:14 | 5:42 |
| 15 | 10.4 | 7:15 | 5:40 |
| 16 | 10.3 | 7:17 | 5:38 |
| 17 | 10.3 | 7:19 | 5:35 |
| 18 | 10.2 | 7:21 | 5:33 |
| 19 | 10.1 | 7:23 | 5:31 |
| 20 | 10.1 | 7:25 | 5:29 |
| 21 | 10.0 | 7:26 | 5:27 |
| 22 | 9.9 | 7:28 | 5:25 |
| 23 | 9.9 | 7:30 | 5:23 |
| 24 | 9.8 | 7:32 | 5:21 |
| 25 | 9.7 | 7:34 | 5:19 |
| 26 | 9.7 | 7:36 | 5:17 |
| 27 | 9.6 | 7:37 | 5:15 |
| 28 | 9.6 | 7:39 | 5:13 |
| 29 | 9.5 | 7:41 | 5:11 |
| 30 | 9.4 | 7:43 | 5:09 |
| 31 | 9.4 | 7:45 | 5:07 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 1.84 kWh/m².
For context, solar energy here swings from a low near 0.58 kWh/m² to a high of 5.68 kWh/m² in June across the year — October's 1.84 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 2.4 | 2.4 | 2.3 | 2.3 | 2.2 | 2.2 | 2.1 | 2.1 | 2.1 | 2.0 | 2.0 | 2.0 | 1.9 | 1.9 | 1.9 | 1.9 | 1.8 | 1.8 | 1.7 | 1.7 | 1.7 | 1.6 | 1.6 | 1.6 | 1.5 | 1.5 | 1.4 | 1.4 | 1.4 | 1.4 | 1.3 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 2.4 | Moderate |
| 2 | 2.4 | Moderate |
| 3 | 2.3 | Moderate |
| 4 | 2.3 | Moderate |
| 5 | 2.2 | Moderate |
| 6 | 2.2 | Moderate |
| 7 | 2.1 | Moderate |
| 8 | 2.1 | Moderate |
| 9 | 2.1 | Moderate |
| 10 | 2.0 | Moderate |
| 11 | 2.0 | Moderate |
| 12 | 2.0 | Dim |
| 13 | 1.9 | Dim |
| 14 | 1.9 | Dim |
| 15 | 1.9 | Dim |
| 16 | 1.9 | Dim |
| 17 | 1.8 | Dim |
| 18 | 1.8 | Dim |
| 19 | 1.7 | Dim |
| 20 | 1.7 | Dim |
| 21 | 1.7 | Dim |
| 22 | 1.6 | Dim |
| 23 | 1.6 | Dim |
| 24 | 1.6 | Dim |
| 25 | 1.5 | Dim |
| 26 | 1.5 | Dim |
| 27 | 1.4 | Dim |
| 28 | 1.4 | Dim |
| 29 | 1.4 | Dim |
| 30 | 1.4 | Dim |
| 31 | 1.3 | Dim |
Is October a good time to visit Katwijk aan Zee?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is a weaker month for outdoor sightseeing in Katwijk aan Zee.
What to pack for Katwijk aan Zee in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Katwijk aan Zee sees daytime highs around 14°C and nights near 10°C. Pack rain gear. Worth having: a warm layer and a windbreaker. About 14 days see rain.
Sea temperature near Katwijk aan Zee in October
The nearest coast averages about 15°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 19°C and coldest in February near 5°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 6 | 5 | 6 | 9 | 12 | 15 | 18 | 19 | 18 | 15 | 11 | 8 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 6 | Bracing |
| Feb | 5 | Bracing |
| Mar | 6 | Bracing |
| Apr | 9 | Bracing |
| May | 12 | Bracing |
| Jun | 15 | Bracing |
| Jul | 18 | Cool |
| Aug | 19 | Cool |
| Sep | 18 | Cool |
| Oct | 15 | Bracing |
| Nov | 11 | Bracing |
| Dec | 8 | Bracing |
UV index in Katwijk aan Zee in October
Clear-sky midday UV in October peaks around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Katwijk aan Zee peaks around June 23 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 1 | 3 | 3 | 5 | 6 | 6 | 6 | 4 | 2 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | Moderate | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 3 | Moderate |
| Apr | 3 | Moderate |
| May | 5 | Moderate |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 2 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Katwijk aan Zee?
Katwijk aan Zee sits at 52.2°N, 4.4°E, 8 m above sea level, in The Netherlands. The nearest listed city is Noordwijk-Binnen, 5.0 km away.
Topography around Katwijk aan Zee
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Katwijk aan Zee.
Within 3 km, the terrain around Katwijk aan Zee has only modest variations in elevation — a maximum elevation change of 31 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 47 m; within 80 km, only modest variations in elevation — a maximum elevation change of 99 m.
The land around Katwijk aan Zee is covered by water (40%), grassland (22%) and artificial surfaces (21%) within 3 km, water (48%) and grassland (22%) within 16 km, and water (37%) and grassland (28%) within 80 km.
The Netherlands travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 84% of US
- price level, 2025
- GDP per capita
- $73,684
- 2025
- Happiness
- 7.2 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2023
- Road deaths
- 4
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 624
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Katwijk aan Zee (52.2033°, 4.3986°, elevation 8 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).