Click on a day for an hourly weather forecast
The temperatures in Harderwijk in May are quite cold with temperatures between 9°C and 17°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Harderwijk during the month of May. 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 Harderwijk in May 2026.
If you’re planning to visit Harderwijk in the near future, we highly recommend that you review the 14 day weather forecast for Harderwijk before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / 2° | 7 | 19 | 5 | 58 mm | Awful | Harderwijk in January |
| February | 6° / 2° | 6 | 17 | 5 | 50 mm | Awful | Harderwijk in February |
| March | 10° / 3° | 5 | 25 | 1 | 44 mm | Ok | Harderwijk in March |
| April | 14° / 6° | 3 | 26 | 1 | 40 mm | Good | Harderwijk in April |
| May | 17° / 9° | 5 | 26 | 0 | 65 mm | Good | Harderwijk in May |
| June | 20° / 12° | 5 | 25 | 0 | 80 mm | Good | Harderwijk in June |
| July | 22° / 14° | 6 | 25 | 0 | 98 mm | Good | Harderwijk in July |
| August | 22° / 14° | 4 | 27 | 0 | 80 mm | Good | Harderwijk in August |
| September | 19° / 12° | 3 | 27 | 0 | 52 mm | Good | Harderwijk in September |
| October | 14° / 9° | 5 | 26 | 0 | 54 mm | Good | Harderwijk in October |
| November | 10° / 6° | 5 | 24 | 1 | 50 mm | Ok | Harderwijk in November |
| December | 6° / 3° | 8 | 20 | 3 | 57 mm | Awful | Harderwijk in December |