Click on a day for an hourly weather forecast
The temperatures in Sandefjord in April are quite cold with temperatures between 5°C and 8°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Sandefjord during the month of April. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Sandefjord can expect a few days of snow in April.
Our weather forecast can give you a great sense of what weather to expect in Sandefjord in April 2026.
If you’re planning to visit Sandefjord in the near future, we highly recommend that you review the 14 day weather forecast for Sandefjord before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -1° | 5 | 15 | 10 | 123 mm | Awful | Sandefjord in January |
| February | 1° / -1° | 5 | 13 | 10 | 101 mm | Awful | Sandefjord in February |
| March | 4° / 1° | 6 | 19 | 6 | 83 mm | Awful | Sandefjord in March |
| April | 8° / 5° | 4 | 25 | 1 | 53 mm | Ok | Sandefjord in April |
| May | 12° / 9° | 7 | 24 | 0 | 106 mm | Bad | Sandefjord in May |
| June | 16° / 13° | 5 | 25 | 0 | 100 mm | Good | Sandefjord in June |
| July | 18° / 15° | 8 | 23 | 0 | 135 mm | Ok | Sandefjord in July |
| August | 18° / 15° | 8 | 23 | 0 | 164 mm | Ok | Sandefjord in August |
| September | 15° / 12° | 8 | 22 | 0 | 145 mm | Ok | Sandefjord in September |
| October | 11° / 8° | 10 | 21 | 0 | 167 mm | Bad | Sandefjord in October |
| November | 7° / 5° | 9 | 18 | 3 | 158 mm | Awful | Sandefjord in November |
| December | 3° / 1° | 9 | 15 | 7 | 134 mm | Awful | Sandefjord in December |