Click on a day for an hourly weather forecast
The temperatures in Masterton in May are usually low and can range between 11°C and 14°C.
You can expect about 3 to 8 days of rain in Masterton 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 Masterton in May 2025.
If you’re planning to visit Masterton in the near future, we highly recommend that you review the 14 day weather forecast for Masterton before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 20° / 15° | 5 | 26 | 0 | 84 mm | Good | Masterton in January |
| February | 20° / 15° | 4 | 24 | 0 | 105 mm | Good | Masterton in February |
| March | 19° / 14° | 5 | 26 | 0 | 82 mm | Good | Masterton in March |
| April | 16° / 13° | 6 | 24 | 0 | 120 mm | Good | Masterton in April |
| May | 14° / 11° | 7 | 24 | 0 | 131 mm | Ok | Masterton in May |
| June | 12° / 9° | 8 | 22 | 0 | 149 mm | Bad | Masterton in June |
| July | 12° / 8° | 8 | 23 | 0 | 132 mm | Bad | Masterton in July |
| August | 12° / 8° | 9 | 22 | 0 | 135 mm | Bad | Masterton in August |
| September | 13° / 9° | 8 | 22 | 0 | 129 mm | Bad | Masterton in September |
| October | 14° / 10° | 7 | 24 | 0 | 123 mm | Ok | Masterton in October |
| November | 16° / 11° | 6 | 24 | 0 | 114 mm | Good | Masterton in November |
| December | 18° / 13° | 7 | 24 | 0 | 131 mm | Ok | Masterton in December |