Click on a day for an hourly weather forecast
The temperatures in Hoorn in August are comfortable with low of 16°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Hoorn during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Hoorn in August 2026.
If you’re planning to visit Hoorn in the near future, we highly recommend that you review the 14 day weather forecast for Hoorn before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 3° | 8 | 19 | 5 | 56 mm | Awful | Hoorn in January |
| February | 6° / 3° | 7 | 16 | 5 | 45 mm | Awful | Hoorn in February |
| March | 9° / 4° | 4 | 25 | 1 | 35 mm | Ok | Hoorn in March |
| April | 12° / 6° | 3 | 27 | 1 | 29 mm | Ok | Hoorn in April |
| May | 15° / 9° | 5 | 26 | 0 | 52 mm | Good | Hoorn in May |
| June | 18° / 13° | 4 | 26 | 0 | 61 mm | Good | Hoorn in June |
| July | 20° / 15° | 5 | 26 | 0 | 80 mm | Good | Hoorn in July |
| August | 21° / 16° | 5 | 26 | 0 | 86 mm | Good | Hoorn in August |
| September | 18° / 13° | 4 | 26 | 0 | 69 mm | Good | Hoorn in September |
| October | 14° / 10° | 5 | 26 | 0 | 71 mm | Good | Hoorn in October |
| November | 10° / 7° | 6 | 23 | 1 | 65 mm | Ok | Hoorn in November |
| December | 7° / 5° | 8 | 20 | 3 | 68 mm | Awful | Hoorn in December |