Click on a day for an hourly weather forecast
The temperatures in Mason in May are comfortable with low of 13°C and and high up to 23°C.
You can expect rain for roughly half of the month of May in Mason. 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 Mason in May 2025.
If you’re planning to visit Mason in the near future, we highly recommend that you review the 14 day weather forecast for Mason before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -5° | 7 | 12 | 12 | 77 mm | Awful | Mason in January |
| February | 4° / -4° | 6 | 11 | 11 | 100 mm | Awful | Mason in February |
| March | 11° / 2° | 8 | 17 | 5 | 107 mm | Awful | Mason in March |
| April | 16° / 7° | 8 | 21 | 2 | 136 mm | Bad | Mason in April |
| May | 23° / 13° | 9 | 22 | 0 | 152 mm | Good | Mason in May |
| June | 27° / 17° | 6 | 24 | 0 | 131 mm | Perfect | Mason in June |
| July | 29° / 19° | 8 | 23 | 0 | 127 mm | Ok | Mason in July |
| August | 28° / 18° | 6 | 25 | 0 | 101 mm | Perfect | Mason in August |
| September | 25° / 15° | 5 | 25 | 0 | 88 mm | Perfect | Mason in September |
| October | 18° / 9° | 5 | 26 | 0 | 84 mm | Good | Mason in October |
| November | 11° / 3° | 5 | 23 | 3 | 88 mm | Bad | Mason in November |
| December | 5° / -1° | 7 | 15 | 10 | 96 mm | Awful | Mason in December |