Click on a day for an hourly weather forecast
The temperatures in Monmouth in May are usually low and can range between 13°C and 18°C.
You can expect about 3 to 8 days of rain in Monmouth 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 Monmouth in May 2025.
If you’re planning to visit Monmouth in the near future, we highly recommend that you review the 14 day weather forecast for Monmouth before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -2° | 5 | 19 | 6 | 50 mm | Awful | Monmouth in January |
| February | 4° / -1° | 5 | 18 | 6 | 64 mm | Awful | Monmouth in February |
| March | 8° / 3° | 5 | 22 | 4 | 68 mm | Bad | Monmouth in March |
| April | 13° / 8° | 5 | 25 | 0 | 59 mm | Ok | Monmouth in April |
| May | 18° / 13° | 6 | 25 | 0 | 83 mm | Good | Monmouth in May |
| June | 23° / 18° | 5 | 25 | 0 | 90 mm | Perfect | Monmouth in June |
| July | 27° / 22° | 7 | 24 | 0 | 119 mm | Good | Monmouth in July |
| August | 27° / 22° | 6 | 25 | 0 | 109 mm | Perfect | Monmouth in August |
| September | 24° / 19° | 4 | 26 | 0 | 82 mm | Perfect | Monmouth in September |
| October | 18° / 13° | 5 | 26 | 0 | 77 mm | Good | Monmouth in October |
| November | 12° / 7° | 4 | 25 | 1 | 48 mm | Ok | Monmouth in November |
| December | 7° / 3° | 5 | 22 | 4 | 77 mm | Bad | Monmouth in December |
For a more accurate weather forecast please select a city