Click on a day for an hourly weather forecast
The weather in Harlingen in April is hot. The average temperatures are between 21°C and 29°C.
You can expect a few rainy days in Harlingen during April, but usually the weather is comfortable in April.
Our weather forecast can give you a great sense of what weather to expect in Harlingen in April 2025.
If you’re planning to visit Harlingen in the near future, we highly recommend that you review the 14 day weather forecast for Harlingen before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 21° / 14° | 2 | 29 | 0 | 30 mm | Good | Harlingen in January |
| February | 23° / 15° | 1 | 27 | 0 | 17 mm | Perfect | Harlingen in February |
| March | 26° / 18° | 1 | 30 | 0 | 20 mm | Perfect | Harlingen in March |
| April | 29° / 21° | 2 | 28 | 0 | 20 mm | Good | Harlingen in April |
| May | 31° / 23° | 3 | 28 | 0 | 34 mm | Good | Harlingen in May |
| June | 34° / 25° | 4 | 26 | 0 | 59 mm | Ok | Harlingen in June |
| July | 35° / 26° | 3 | 28 | 0 | 37 mm | Ok | Harlingen in July |
| August | 35° / 27° | 3 | 28 | 0 | 30 mm | Ok | Harlingen in August |
| September | 33° / 26° | 5 | 25 | 0 | 78 mm | Good | Harlingen in September |
| October | 30° / 23° | 2 | 29 | 0 | 32 mm | Good | Harlingen in October |
| November | 25° / 18° | 1 | 29 | 0 | 28 mm | Perfect | Harlingen in November |
| December | 22° / 15° | 2 | 29 | 0 | 24 mm | Good | Harlingen in December |