Click on a day for an hourly weather forecast
The temperatures in Lancaster in August are usually low and can range between 12°C and 17°C.
You can expect rain for roughly half of the month of August 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 August 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 | 6° / 3° | 15 | 12 | 4 | 189 mm | Awful | Lancaster in January |
| February | 7° / 3° | 12 | 12 | 4 | 176 mm | Awful | Lancaster in February |
| March | 8° / 4° | 10 | 19 | 2 | 132 mm | Awful | Lancaster in March |
| April | 11° / 5° | 7 | 22 | 1 | 79 mm | Bad | Lancaster in April |
| May | 13° / 7° | 9 | 22 | 0 | 130 mm | Bad | Lancaster in May |
| June | 16° / 10° | 8 | 22 | 0 | 146 mm | Ok | Lancaster in June |
| July | 17° / 12° | 11 | 20 | 0 | 179 mm | Ok | Lancaster in July |
| August | 17° / 12° | 11 | 20 | 0 | 207 mm | Ok | Lancaster in August |
| September | 16° / 11° | 10 | 20 | 0 | 153 mm | Ok | Lancaster in September |
| October | 13° / 9° | 12 | 19 | 0 | 200 mm | Bad | Lancaster in October |
| November | 9° / 6° | 12 | 17 | 0 | 223 mm | Bad | Lancaster in November |
| December | 7° / 4° | 15 | 14 | 2 | 235 mm | Awful | Lancaster in December |