Last updated: August 23, 2025
In Saint-Romain-de-Jalionas, France, the average temperature in August hovers around 23°C (73°F). However, be prepared for a range, as temperatures can dip to a cool 10°C (49°F) or soar up to a scorching 40°C (103°F). With an average humidity of 63%, you'll likely feel the warmth. Expect 48 mm (1.9 in) of precipitation spread over 6 days, so a light umbrella might come in handy!
In August in Saint-Romain-de-Jalionas, the average temperature is 23°C (73°F), with maximums reaching up to 40°C (103°F) and minimums dropping as low as 10°C (49°F). This makes it an ideal time to visit for warm-weather activities while being prepared for a range of temperatures.
In Saint-Romain-de-Jalionas in August, the precipitation amount is 48 mm (1.9 in) distributed over 6 days.
In Saint-Romain-de-Jalionas in August humidity is 63%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making outdoor excursions enjoyable yet slightly sticky, so travelers should dress lightly and stay hydrated to fully appreciate the sights.
In Saint-Romain-de-Jalionas in August, 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 Saint-Romain-de-Jalionas.
UV Risk Categories
Weather in Saint-Romain-de-Jalionas varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Saint-Romain-de-Jalionas, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 84 mm (3.3 inches) | 91% | low |
| February Weather | 6°C (44°F) | 66 mm (2.6 inches) | 87% | moderate |
| March Weather | 9°C (48°F) | 83 mm (3.3 inches) | 84% | moderate |
| April Weather | 12°C (55°F) | 42 mm (1.6 inches) | 83% | high |
| May Weather | 16°C (61°F) | 109 mm (4.3 inches) | 78% | very high |
| June Weather | 21°C (70°F) | 72 mm (2.8 inches) | 75% | very high |
| July Weather | 23°C (74°F) | 51 mm (2.0 inches) | 72% | very high |
| August Weather | 23°C (73°F) | 48 mm (1.9 inches) | 63% | very high |
| September Weather | 19°C (66°F) | 51 mm (2.0 inches) | 73% | high |
| October Weather | 13°C (56°F) | 92 mm (3.6 inches) | 89% | moderate |
| November Weather | 8°C (46°F) | 95 mm (3.7 inches) | 90% | moderate |
| December Weather | 5°C (42°F) | 155 mm (6.1 inches) | 90% | low |