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The temperatures in Bayonne in January are quite cold with temperatures between 6°C and 11°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Bayonne. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that Bayonne can expect a few days of snow in January.
Our weather forecast can give you a great sense of what weather to expect in Bayonne in January 2026.
If you’re planning to visit Bayonne in the near future, we highly recommend that you review the 14 day weather forecast for Bayonne before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 11° / 6° | 10 | 20 | 1 | 182 mm | Bad | Bayonne in January |
| February | 12° / 7° | 9 | 18 | 1 | 151 mm | Bad | Bayonne in February |
| March | 14° / 8° | 7 | 23 | 0 | 110 mm | Ok | Bayonne in March |
| April | 16° / 9° | 7 | 23 | 0 | 111 mm | Ok | Bayonne in April |
| May | 18° / 12° | 8 | 24 | 0 | 131 mm | Ok | Bayonne in May |
| June | 22° / 15° | 6 | 24 | 0 | 127 mm | Good | Bayonne in June |
| July | 24° / 17° | 6 | 26 | 0 | 93 mm | Perfect | Bayonne in July |
| August | 25° / 17° | 5 | 26 | 0 | 96 mm | Perfect | Bayonne in August |
| September | 23° / 16° | 5 | 26 | 0 | 86 mm | Perfect | Bayonne in September |
| October | 20° / 13° | 6 | 25 | 0 | 111 mm | Good | Bayonne in October |
| November | 15° / 10° | 10 | 20 | 0 | 209 mm | Ok | Bayonne in November |
| December | 12° / 8° | 9 | 22 | 1 | 146 mm | Bad | Bayonne in December |