Last updated: August 27, 2025
In July, the average temperature in Hellevoetsluis, Netherlands hovers around 18°C (65°F), with a remarkable variation where temperatures can dip to a minimum of 8°C (47°F) and soar up to a maximum of 39°C (102°F). Be prepared for rainy days, as the region experiences 75 mm (3.0 in) of precipitation spread over 13 days, contributing to a high average humidity of 80%.
In July, in Hellevoetsluis, the average temperature is 18°C (65°F). Maximum temperatures can reach up to 39°C (102°F), while minimums can drop as low as 8°C (47°F). Be prepared for a wide range of weather conditions during your travels.
In Hellevoetsluis in July, the precipitation amount is 75 mm (3.0 in) over the course of 13 days.
In Hellevoetsluis in July, humidity is 80%. With an average temperature of 18°C (65°F), this humidity feels like wandering through a warm, damp blanket, making every step slightly heavy and resulting in a constant sheen of sweat, which can be both refreshing and exhausting for travelers.
In Hellevoetsluis in July, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Hellevoetsluis.
UV Risk Categories
Weather in Hellevoetsluis varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Hellevoetsluis, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 58 mm (2.3 inches) | 91% | low |
| February Weather | 5°C (42°F) | 62 mm (2.4 inches) | 89% | low |
| March Weather | 7°C (45°F) | 68 mm (2.7 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 42 mm (1.6 inches) | 85% | moderate |
| May Weather | 13°C (56°F) | 62 mm (2.4 inches) | 82% | high |
| June Weather | 18°C (64°F) | 67 mm (2.7 inches) | 82% | very high |
| July Weather | 18°C (65°F) | 75 mm (3.0 inches) | 80% | very high |
| August Weather | 19°C (66°F) | 85 mm (3.4 inches) | 76% | high |
| September Weather | 15°C (60°F) | 65 mm (2.6 inches) | 82% | moderate |
| October Weather | 13°C (55°F) | 91 mm (3.6 inches) | 89% | moderate |
| November Weather | 8°C (47°F) | 57 mm (2.2 inches) | 92% | low |
| December Weather | 6°C (43°F) | 95 mm (3.7 inches) | 92% | low |