Click on a day for an hourly weather forecast
The temperatures in Porrentruy in July are comfortable with low of 13°C and and high up to 24°C.
You can expect rain for roughly half of the month of July in Porrentruy. 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.
Our weather forecast can give you a great sense of what weather to expect in Porrentruy in July 2026.
If you’re planning to visit Porrentruy in the near future, we highly recommend that you review the 14 day weather forecast for Porrentruy before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -2° | 9 | 8 | 13 | 130 mm | Awful | Porrentruy in January |
| February | 5° / -1° | 8 | 8 | 13 | 122 mm | Awful | Porrentruy in February |
| March | 10° / 1° | 8 | 15 | 8 | 104 mm | Awful | Porrentruy in March |
| April | 14° / 4° | 7 | 20 | 3 | 107 mm | Bad | Porrentruy in April |
| May | 17° / 7° | 10 | 21 | 0 | 169 mm | Ok | Porrentruy in May |
| June | 21° / 11° | 10 | 20 | 0 | 174 mm | Ok | Porrentruy in June |
| July | 24° / 13° | 8 | 23 | 0 | 153 mm | Good | Porrentruy in July |
| August | 23° / 13° | 7 | 24 | 0 | 147 mm | Good | Porrentruy in August |
| September | 20° / 9° | 6 | 24 | 0 | 94 mm | Good | Porrentruy in September |
| October | 15° / 6° | 7 | 23 | 1 | 116 mm | Ok | Porrentruy in October |
| November | 9° / 3° | 9 | 15 | 6 | 136 mm | Awful | Porrentruy in November |
| December | 6° / 0° | 10 | 10 | 12 | 170 mm | Awful | Porrentruy in December |