Hellevoetsluis weather in October
In October, Hellevoetsluis sees average daytime highs of 15°C and overnight lows near 9°C, with 67 mm of rain across 12.5 wet days and about 10.4 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.
Highs ease over the month, from about 16°C in the first days to 13°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 Hellevoetsluis's 8th-clearest and 6th-windiest month. For the whole year in context, see Hellevoetsluis's year-round climate.
- Daytime high
- 15°
- 6th warmest
- Overnight low
- 9°
- 7th coldest
- Rainfall
- 67 mm
- 12.5 wet days
- Daylight
- 10 h 24 min
- 7:18 AM – 5:39 PM
- Cloud cover
- 71%
- 8th clearest
- Wind
- 16 km/h
- 6th windiest
- Solar energy
- 1.85 kWh/m²
- Travel score
- 3.9
- out of 10
Hellevoetsluis is human settlement in Voorne aan Zee, the Netherlands.
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 13°C by the end.
A typical October day in Hellevoetsluis reaches about 15°C in the afternoon and slips back to 9°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 18°C. Set against its neighbours, October runs about 4°C cooler than September and about 5°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) | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 |
| Avg low (°C) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 17 | 10 |
| 2 | 17 | 10 |
| 3 | 16 | 10 |
| 4 | 16 | 10 |
| 5 | 16 | 10 |
| 6 | 16 | 10 |
| 7 | 16 | 10 |
| 8 | 16 | 10 |
| 9 | 15 | 9 |
| 10 | 15 | 9 |
| 11 | 15 | 9 |
| 12 | 15 | 9 |
| 13 | 15 | 9 |
| 14 | 15 | 9 |
| 15 | 15 | 9 |
| 16 | 14 | 9 |
| 17 | 14 | 8 |
| 18 | 14 | 8 |
| 19 | 14 | 8 |
| 20 | 14 | 8 |
| 21 | 14 | 8 |
| 22 | 14 | 8 |
| 23 | 14 | 8 |
| 24 | 13 | 8 |
| 25 | 13 | 8 |
| 26 | 13 | 8 |
| 27 | 13 | 8 |
| 28 | 13 | 8 |
| 29 | 13 | 8 |
| 30 | 13 | 7 |
| 31 | 12 | 7 |
How October really feels in Hellevoetsluis
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.
Hellevoetsluis weather by month
How October compares with the rest of the year at a glance. October is the 6th-warmest and 4th-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° / 2° | 61 | 12.1 | 0.8 | 8.1 | 0.4 |
| Feb | 7° / 2° | 51 | 10.8 | 1.3 | 9.6 | 0.7 |
| Mar | 10° / 4° | 52 | 11.3 | 0.7 | 11.5 | 2.1 |
| Apr | 14° / 6° | 46 | 10.8 | 0 | 13.6 | 3.8 |
| May | 17° / 9° | 59 | 11.8 | 0 | 15.4 | 5.2 |
| Jun | 20° / 12° | 61 | 11.1 | 0 | 16.4 | 5.9 |
| Jul | 22° / 14° | 75 | 12.9 | 0 | 16 | 6.2 |
| Aug | 22° / 14° | 76 | 13.1 | 0 | 14.4 | 6.1 |
| Sep | 19° / 12° | 64 | 11.6 | 0 | 12.4 | 5.6 |
| Oct | 15° / 9° | 67 | 12.5 | 0 | 10.4 | 3.9 |
| Nov | 10° / 5° | 66 | 13.2 | 0.3 | 8.6 | 1.9 |
| Dec | 7° / 3° | 72 | 13.9 | 0.9 | 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 16% 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 (%) | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 30 | 30 | 30 | 30 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 32 | 32 | 32 | 31 | 30 | 30 | 29 | 28 | 28 |
| Cloudier (%) | 71 | 72 | 72 | 72 | 72 | 72 | 72 | 70 | 70 | 70 | 70 | 69 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 67 | 67 | 67 | 68 | 68 | 68 | 69 | 70 | 70 | 71 | 72 | 72 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 29 | 71 |
| 2 | 28 | 72 |
| 3 | 28 | 72 |
| 4 | 28 | 72 |
| 5 | 28 | 72 |
| 6 | 28 | 72 |
| 7 | 28 | 72 |
| 8 | 30 | 70 |
| 9 | 30 | 70 |
| 10 | 30 | 70 |
| 11 | 30 | 70 |
| 12 | 31 | 69 |
| 13 | 32 | 68 |
| 14 | 32 | 68 |
| 15 | 32 | 68 |
| 16 | 32 | 68 |
| 17 | 32 | 68 |
| 18 | 32 | 68 |
| 19 | 32 | 68 |
| 20 | 33 | 67 |
| 21 | 33 | 67 |
| 22 | 33 | 67 |
| 23 | 32 | 68 |
| 24 | 32 | 68 |
| 25 | 32 | 68 |
| 26 | 31 | 69 |
| 27 | 30 | 70 |
| 28 | 30 | 70 |
| 29 | 29 | 71 |
| 30 | 28 | 72 |
| 31 | 28 | 72 |
Chance of precipitation in October
Hellevoetsluis gets around 67 mm of rain over 12.5 wet days in October. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 41% and peaks near 45% 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 (%) | 45 | 45 | 45 | 44 | 44 | 43 | 43 | 42 | 41 | 41 | 40 | 40 | 39 | 39 | 39 | 38 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 40 | 40 | 40 | 41 | 41 | 42 | 43 | 43 |
| Rain chance (%) | |
|---|---|
| 1 | 45 |
| 2 | 45 |
| 3 | 45 |
| 4 | 44 |
| 5 | 44 |
| 6 | 43 |
| 7 | 43 |
| 8 | 42 |
| 9 | 41 |
| 10 | 41 |
| 11 | 40 |
| 12 | 40 |
| 13 | 39 |
| 14 | 39 |
| 15 | 39 |
| 16 | 38 |
| 17 | 38 |
| 18 | 38 |
| 19 | 39 |
| 20 | 39 |
| 21 | 39 |
| 22 | 39 |
| 23 | 39 |
| 24 | 40 |
| 25 | 40 |
| 26 | 40 |
| 27 | 41 |
| 28 | 41 |
| 29 | 42 |
| 30 | 43 |
| 31 | 43 |
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 88% 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 (%) | 76 | 78 | 78 | 79 | 81 | 82 | 83 | 84 | 85 | 85 | 86 | 87 | 87 | 88 | 88 | 89 | 89 | 90 | 90 | 91 | 91 | 92 | 92 | 93 | 93 | 93 | 94 | 94 | 95 | 95 | 95 |
| Comfortable (%) | 23 | 22 | 22 | 21 | 19 | 18 | 17 | 16 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 |
| Humid (%) | 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 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 76 | 23 | 1 |
| 2 | 78 | 22 | 0 |
| 3 | 78 | 22 | 0 |
| 4 | 79 | 21 | 0 |
| 5 | 81 | 19 | 0 |
| 6 | 82 | 18 | 0 |
| 7 | 83 | 17 | 0 |
| 8 | 84 | 16 | 0 |
| 9 | 85 | 15 | 0 |
| 10 | 85 | 15 | 0 |
| 11 | 86 | 14 | 0 |
| 12 | 87 | 13 | 0 |
| 13 | 87 | 13 | 0 |
| 14 | 88 | 12 | 0 |
| 15 | 88 | 12 | 0 |
| 16 | 89 | 11 | 0 |
| 17 | 89 | 11 | 0 |
| 18 | 90 | 10 | 0 |
| 19 | 90 | 10 | 0 |
| 20 | 91 | 9 | 0 |
| 21 | 91 | 9 | 0 |
| 22 | 92 | 8 | 0 |
| 23 | 92 | 8 | 0 |
| 24 | 93 | 7 | 0 |
| 25 | 93 | 7 | 0 |
| 26 | 93 | 7 | 0 |
| 27 | 94 | 6 | 0 |
| 28 | 94 | 6 | 0 |
| 29 | 95 | 5 | 0 |
| 30 | 95 | 5 | 0 |
| 31 | 95 | 5 | 0 |
Wind in October
Winds average 16 km/h in October.
Across October, daily wind ranges from about 15 km/h on the calmest days to 17 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) | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 15 | light breeze |
| 2 | 15 | light breeze |
| 3 | 15 | light breeze |
| 4 | 15 | light breeze |
| 5 | 16 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 16 | light breeze |
| 9 | 16 | light breeze |
| 10 | 16 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 16 | light breeze |
| 14 | 16 | light breeze |
| 15 | 16 | light breeze |
| 16 | 16 | light breeze |
| 17 | 16 | light breeze |
| 18 | 16 | light breeze |
| 19 | 16 | light breeze |
| 20 | 17 | light breeze |
| 21 | 17 | light breeze |
| 22 | 17 | light breeze |
| 23 | 17 | light breeze |
| 24 | 17 | light breeze |
| 25 | 17 | light breeze |
| 26 | 17 | light breeze |
| 27 | 17 | light breeze |
| 28 | 17 | light breeze |
| 29 | 17 | light breeze |
| 30 | 17 | light breeze |
| 31 | 17 | light breeze |
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 6:13 PM to 5:09 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 | 11.0 | 10.9 | 10.8 | 10.8 | 10.7 | 10.6 | 10.6 | 10.5 | 10.4 | 10.4 | 10.3 | 10.2 | 10.2 | 10.1 | 10.0 | 10.0 | 9.9 | 9.8 | 9.8 | 9.7 | 9.7 | 9.6 | 9.5 | 9.5 | 9.4 |
| Sunrise (AM) | 6:51 | 6:53 | 6:55 | 6:57 | 6:58 | 7:00 | 7:02 | 7:04 | 7:05 | 7:07 | 7:09 | 7:11 | 7:12 | 7:14 | 7:16 | 7:18 | 7:19 | 7:21 | 7:23 | 7:25 | 7:27 | 7:28 | 7:30 | 7:32 | 7:34 | 7:36 | 7:38 | 7:39 | 7:41 | 7:43 | 7:45 |
| Sunset (PM) | 6:13 | 6:11 | 6:09 | 6:06 | 6:04 | 6:02 | 5:59 | 5:57 | 5:55 | 5:53 | 5:50 | 5:48 | 5:46 | 5:44 | 5:41 | 5:39 | 5:37 | 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 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.4 | 6:51 | 6:13 |
| 2 | 11.3 | 6:53 | 6:11 |
| 3 | 11.2 | 6:55 | 6:09 |
| 4 | 11.2 | 6:57 | 6:06 |
| 5 | 11.1 | 6:58 | 6:04 |
| 6 | 11.0 | 7:00 | 6:02 |
| 7 | 11.0 | 7:02 | 5:59 |
| 8 | 10.9 | 7:04 | 5:57 |
| 9 | 10.8 | 7:05 | 5:55 |
| 10 | 10.8 | 7:07 | 5:53 |
| 11 | 10.7 | 7:09 | 5:50 |
| 12 | 10.6 | 7:11 | 5:48 |
| 13 | 10.6 | 7:12 | 5:46 |
| 14 | 10.5 | 7:14 | 5:44 |
| 15 | 10.4 | 7:16 | 5:41 |
| 16 | 10.4 | 7:18 | 5:39 |
| 17 | 10.3 | 7:19 | 5:37 |
| 18 | 10.2 | 7:21 | 5:35 |
| 19 | 10.2 | 7:23 | 5:33 |
| 20 | 10.1 | 7:25 | 5:31 |
| 21 | 10.0 | 7:27 | 5:29 |
| 22 | 10.0 | 7:28 | 5:27 |
| 23 | 9.9 | 7:30 | 5:25 |
| 24 | 9.8 | 7:32 | 5:23 |
| 25 | 9.8 | 7:34 | 5:21 |
| 26 | 9.7 | 7:36 | 5:19 |
| 27 | 9.7 | 7:38 | 5:17 |
| 28 | 9.6 | 7:39 | 5:15 |
| 29 | 9.5 | 7:41 | 5:13 |
| 30 | 9.5 | 7:43 | 5:11 |
| 31 | 9.4 | 7:45 | 5:09 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 1.85 kWh/m².
For context, solar energy here swings from a low near 0.6 kWh/m² to a high of 5.48 kWh/m² in June across the year — October's 1.85 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 | 2.3 | 2.3 | 2.3 | 2.2 | 2.2 | 2.1 | 2.1 | 2.1 | 2.1 | 2.0 | 2.0 | 2.0 | 1.9 | 1.9 | 1.9 | 1.8 | 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 | 1.3 |
| Level | Moderate | 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 2.4 | Moderate |
| 2 | 2.3 | 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 | 2.1 | Moderate |
| 11 | 2.0 | Moderate |
| 12 | 2.0 | Moderate |
| 13 | 2.0 | Dim |
| 14 | 1.9 | Dim |
| 15 | 1.9 | Dim |
| 16 | 1.9 | Dim |
| 17 | 1.8 | Dim |
| 18 | 1.8 | Dim |
| 19 | 1.8 | Dim |
| 20 | 1.7 | Dim |
| 21 | 1.7 | Dim |
| 22 | 1.7 | Dim |
| 23 | 1.6 | Dim |
| 24 | 1.6 | Dim |
| 25 | 1.6 | Dim |
| 26 | 1.5 | Dim |
| 27 | 1.5 | Dim |
| 28 | 1.4 | Dim |
| 29 | 1.4 | Dim |
| 30 | 1.4 | Dim |
| 31 | 1.3 | Dim |
Is October a good time to visit Hellevoetsluis?
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 Hellevoetsluis.
What to pack for Hellevoetsluis in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Hellevoetsluis sees daytime highs around 15°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 13 days see rain.
Sea temperature near Hellevoetsluis 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 at the nearest coast (about 18 km away) is warmest in August at about 19°C and coldest in February near 6°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) | 7 | 6 | 6 | 9 | 12 | 15 | 17 | 19 | 18 | 15 | 12 | 9 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 7 | Bracing |
| Feb | 6 | Bracing |
| Mar | 6 | Bracing |
| Apr | 9 | Bracing |
| May | 12 | Bracing |
| Jun | 15 | Bracing |
| Jul | 17 | Cool |
| Aug | 19 | Cool |
| Sep | 18 | Cool |
| Oct | 15 | Cool |
| Nov | 12 | Bracing |
| Dec | 9 | Bracing |
UV index in Hellevoetsluis 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 Hellevoetsluis peaks around June 21 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 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 Hellevoetsluis?
Hellevoetsluis sits at 51.8°N, 4.1°E, 0 m above sea level, in The Netherlands. The nearest listed city is Middelharnis, 9.0 km away.
Topography around Hellevoetsluis
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hellevoetsluis.
Within 3 km, the terrain around Hellevoetsluis has only modest variations in elevation — a maximum elevation change of 14 m around an average of 0 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 48 m; within 80 km, only modest variations in elevation — a maximum elevation change of 77 m.
The land around Hellevoetsluis is covered by water (30%), grassland (20%) and cropland (20%) within 3 km, water (33%), cropland (23%) and grassland (21%) within 16 km, and water (35%) and grassland (24%) 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 Hellevoetsluis (51.8333°, 4.1333°, elevation 0 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).