Click on a day for an hourly weather forecast
The temperatures in Sirdal in August are usually low and can range between 11°C and 17°C.
You can expect rain for roughly half of the month of August in Sirdal. 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 Sirdal in August 2026.
If you’re planning to visit Sirdal in the near future, we highly recommend that you review the 14 day weather forecast for Sirdal before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -2° | 9 | 10 | 12 | 202 mm | Awful | Sirdal in January |
| February | 2° / -2° | 10 | 7 | 13 | 191 mm | Awful | Sirdal in February |
| March | 4° / 0° | 10 | 12 | 9 | 137 mm | Awful | Sirdal in March |
| April | 8° / 3° | 7 | 19 | 3 | 83 mm | Awful | Sirdal in April |
| May | 12° / 6° | 9 | 22 | 0 | 124 mm | Bad | Sirdal in May |
| June | 16° / 9° | 6 | 24 | 0 | 99 mm | Good | Sirdal in June |
| July | 18° / 11° | 9 | 22 | 0 | 151 mm | Ok | Sirdal in July |
| August | 17° / 11° | 10 | 21 | 0 | 203 mm | Ok | Sirdal in August |
| September | 14° / 10° | 10 | 20 | 0 | 207 mm | Ok | Sirdal in September |
| October | 10° / 6° | 12 | 19 | 0 | 233 mm | Bad | Sirdal in October |
| November | 6° / 3° | 13 | 14 | 3 | 235 mm | Awful | Sirdal in November |
| December | 3° / 0° | 14 | 8 | 9 | 256 mm | Awful | Sirdal in December |