Last updated: March 2, 2024
The weather in Heiloo, Netherlands, during July is characterized by an average temperature of 18°C (64°F). Highs can soar to 28°C (82°F), while lows may dip to 12°C (54°F). Typically, the humidity level in Heiloo throughout July hovers around 80%.
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Average temperature
Maximum temperature
Humidity
In July, Heiloo averages 73 mm (2.9 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 16 hours 12 minutes of daylight, with the sun shining for approximately 13 hours 37 minutes each day. Additionally, there is a 36% probability of sunny days during this period.
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Rainy days
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Chance of sun
In July, the UV Index in Heiloo reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 3 | 2 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||