Click on a day for an hourly weather forecast
The temperatures in Navan in May are quite cold with temperatures between 7°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Navan 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 Navan in May 2025.
If you’re planning to visit Navan in the near future, we highly recommend that you review the 14 day weather forecast for Navan before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 2° | 7 | 21 | 3 | 58 mm | Awful | Navan in January |
| February | 8° / 2° | 7 | 17 | 4 | 58 mm | Awful | Navan in February |
| March | 9° / 3° | 6 | 23 | 2 | 52 mm | Bad | Navan in March |
| April | 11° / 4° | 5 | 24 | 0 | 53 mm | Ok | Navan in April |
| May | 14° / 7° | 5 | 26 | 0 | 67 mm | Good | Navan in May |
| June | 17° / 9° | 6 | 24 | 0 | 81 mm | Good | Navan in June |
| July | 18° / 11° | 6 | 25 | 0 | 84 mm | Good | Navan in July |
| August | 18° / 11° | 6 | 25 | 0 | 85 mm | Good | Navan in August |
| September | 16° / 9° | 5 | 25 | 0 | 62 mm | Good | Navan in September |
| October | 13° / 8° | 6 | 25 | 0 | 61 mm | Ok | Navan in October |
| November | 9° / 5° | 7 | 23 | 0 | 66 mm | Bad | Navan in November |
| December | 7° / 3° | 7 | 22 | 2 | 57 mm | Awful | Navan in December |