Click on a day for an hourly weather forecast
The temperatures in Hellevoetsluis in July are comfortable with low of 16°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Hellevoetsluis during the month of July. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Hellevoetsluis in July 2026.
If you’re planning to visit Hellevoetsluis in the near future, we highly recommend that you review the 14 day weather forecast for Hellevoetsluis before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 4° | 8 | 19 | 4 | 67 mm | Awful | Hellevoetsluis in January |
| February | 7° / 3° | 7 | 17 | 4 | 49 mm | Bad | Hellevoetsluis in February |
| March | 9° / 5° | 5 | 25 | 1 | 43 mm | Ok | Hellevoetsluis in March |
| April | 13° / 8° | 3 | 27 | 1 | 32 mm | Ok | Hellevoetsluis in April |
| May | 15° / 10° | 5 | 26 | 0 | 62 mm | Good | Hellevoetsluis in May |
| June | 19° / 13° | 4 | 26 | 0 | 63 mm | Good | Hellevoetsluis in June |
| July | 21° / 16° | 5 | 26 | 0 | 81 mm | Good | Hellevoetsluis in July |
| August | 21° / 16° | 6 | 25 | 0 | 106 mm | Good | Hellevoetsluis in August |
| September | 19° / 14° | 4 | 26 | 0 | 77 mm | Good | Hellevoetsluis in September |
| October | 15° / 11° | 6 | 25 | 0 | 89 mm | Good | Hellevoetsluis in October |
| November | 11° / 8° | 6 | 23 | 0 | 81 mm | Ok | Hellevoetsluis in November |
| December | 8° / 5° | 8 | 20 | 2 | 79 mm | Awful | Hellevoetsluis in December |