Click on a day for an hourly weather forecast
The temperatures in Lancaster in May are comfortable with low of 12°C and and high up to 22°C.
You can expect rain for roughly half of the month of May in Lancaster. 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 Lancaster in May 2025.
If you’re planning to visit Lancaster in the near future, we highly recommend that you review the 14 day weather forecast for Lancaster before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -6° | 6 | 10 | 15 | 71 mm | Awful | Lancaster in January |
| February | 3° / -5° | 7 | 9 | 13 | 83 mm | Awful | Lancaster in February |
| March | 10° / 1° | 7 | 17 | 7 | 97 mm | Awful | Lancaster in March |
| April | 16° / 6° | 8 | 20 | 2 | 117 mm | Bad | Lancaster in April |
| May | 22° / 12° | 8 | 23 | 0 | 128 mm | Ok | Lancaster in May |
| June | 26° / 16° | 6 | 24 | 0 | 118 mm | Perfect | Lancaster in June |
| July | 28° / 18° | 7 | 24 | 0 | 116 mm | Good | Lancaster in July |
| August | 28° / 17° | 5 | 26 | 0 | 89 mm | Perfect | Lancaster in August |
| September | 25° / 14° | 5 | 25 | 0 | 84 mm | Perfect | Lancaster in September |
| October | 18° / 8° | 6 | 25 | 0 | 82 mm | Good | Lancaster in October |
| November | 10° / 2° | 6 | 21 | 4 | 75 mm | Bad | Lancaster in November |
| December | 5° / -1° | 7 | 14 | 10 | 83 mm | Awful | Lancaster in December |