Last updated: August 23, 2025
In July, the average temperature in Sailly-sur-la-Lys, France is a mild 19°C (66°F). However, temperatures can range from a chilly 9°C (48°F) to a scorching 38°C (101°F). Expect about 49 mm (1.9 in) of precipitation spread over roughly 10 days, contributing to an average humidity level of 80%.
In July in Sailly-sur-la-Lys, the average temperature is 19°C (66°F). Maximum temperatures can reach 38°C (101°F), while minimums can drop to as low as 9°C (48°F). It's a great time to visit Sailly-sur-la-Lys, offering a pleasant climate for outdoor activities and exploration.
In Sailly-sur-la-Lys in July, the total precipitation amount is 49 mm (1.9 in) over the course of 10 days.
In Sailly-sur-la-Lys in July humidity is 80%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel more strenuous and sticky, which can ultimately dampen the experience of traveling.
In Sailly-sur-la-Lys 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 Sailly-sur-la-Lys.
UV Risk Categories
Weather in Sailly-sur-la-Lys varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Sailly-sur-la-Lys, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 63 mm (2.5 inches) | 91% | low |
| February Weather | 6°C (43°F) | 57 mm (2.2 inches) | 89% | low |
| March Weather | 8°C (46°F) | 62 mm (2.4 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 36 mm (1.4 inches) | 85% | moderate |
| May Weather | 13°C (56°F) | 62 mm (2.4 inches) | 82% | high |
| June Weather | 17°C (64°F) | 60 mm (2.4 inches) | 82% | very high |
| July Weather | 19°C (66°F) | 49 mm (1.9 inches) | 80% | very high |
| August Weather | 19°C (66°F) | 70 mm (2.8 inches) | 76% | high |
| September Weather | 16°C (61°F) | 49 mm (1.9 inches) | 82% | moderate |
| October Weather | 13°C (55°F) | 80 mm (3.2 inches) | 89% | moderate |
| November Weather | 8°C (47°F) | 56 mm (2.2 inches) | 92% | low |
| December Weather | 6°C (43°F) | 94 mm (3.7 inches) | 92% | low |