La Rochelle in January
Find out everything about the water temperature in La Rochelle in January. Average, minimum and maximum recorded temperatures as well as daily temperature in January for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in January
Minimum:
43.8 °F
Average:
48.6 °F
Maximum:
53.0 °F
Sea water temperature in La Rochelle in January
In the city of La Rochelle, the month of January is too cold for swimming. The minimum recorded temperature during this month was 43.8°F on January 11, 2026, with an average temperature being 48.6°F and a maximum temperature reaching 53.0°F on January 1, 2024.
| Date | 10 years average | 2026 | 2025 |
|---|---|---|---|
| Jan 1 | 50.2°F | 47.6°F | 49.0°F |
| Jan 2 | 50.4°F | 47.2°F | 49.6°F |
| Jan 3 | 50.2°F | 46.7°F | 49.9°F |
| Jan 4 | 50.1°F | 45.8°F | 49.9°F |
| Jan 5 | 49.6°F | 44.7°F | 49.4°F |
| Jan 6 | 49.5°F | 45.2°F | 49.5°F |
| Jan 7 | 49.5°F | 45.5°F | 48.8°F |
| Jan 8 | 49.2°F | 45.8°F | 48.9°F |
| Jan 9 | 49.0°F | 44.7°F | 49.0°F |
| Jan 10 | 49.1°F | 44.2°F | 49.4°F |
| Jan 11 | 48.8°F | 43.8°F | 49.7°F |
| Jan 12 | 48.8°F | 44.0°F | 49.5°F |
| Jan 13 | 48.8°F | 44.6°F | 49.1°F |
| Jan 14 | 48.7°F | 45.2°F | 48.3°F |
| Jan 15 | 48.3°F | 45.0°F | 47.8°F |
| Jan 16 | 48.1°F | 45.4°F | 47.5°F |
| Jan 17 | 48.1°F | 46.2°F | 46.6°F |
| Jan 18 | 47.9°F | 46.1°F | 46.8°F |
| Jan 19 | 47.8°F | 47.2°F | 46.3°F |
| Jan 20 | 47.6°F | 47.0°F | 46.0°F |
| Jan 21 | 47.8°F | 48.0°F | 46.5°F |
| Jan 22 | 47.7°F | 48.5°F | 45.8°F |
| Jan 23 | 47.6°F | 48.6°F | 45.8°F |
| Jan 24 | 47.6°F | 48.1°F | 46.6°F |
| Jan 25 | 47.8°F | 48.3°F | 46.7°F |
| Jan 26 | 47.7°F | 47.2°F | 47.4°F |
| Jan 27 | 47.9°F | 48.4°F | 47.8°F |
| Jan 28 | 48.0°F | 49.2°F | 47.8°F |
| Jan 29 | 47.8°F | 49.7°F | 47.8°F |
| Jan 30 | 47.8°F | 49.7°F | 47.7°F |
| Jan 31 | 47.9°F | 49.7°F | 47.4°F |
In an average year, La Rochelle offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in La Rochelle was recorded on August 26, 2023, reaching a 74.4°F. While the coldest temperature occurred on January 11, 2026, dipping to 43.8°F. The average readings by season are 49.3°F in Winter, 55.5°F in Spring, 68.6°F in Summer, and 62.2°F in Autumn.
January's temperature is a dip compared to warmer December at 50.7°F and February at 48.6°F.