Lancaster Weather, When to Go and Climate Information

(Lancaster, Pennsylvania - PA, USA)

Lancaster enjoys four separate seasons. Summers are warm and pleasant, while winter weather is cooler with the occasional snowfall.

Spring in Lancaster is a pleasant season from March through May, with temperatures in April ranging from daytime highs of around 17°C / 63°F to lows of around 6°C / 43°F at night.

Summer weather and climate in Lancaster is hot and humid, with June, July and August seeing temperatures reaching highs of 30°C / 86°F. Wet weather in the Lancaster area is spread throughout the year, although more rain falls during May through September and the driest month is usually February. The average annual rainfall / precipitation in Lancaster is around 109 cm / 43 inches.


Lancaster's autumn season has daytime temperatures reaching highs of 25°C / 77°F during September, but dropping to 13°C / 55°F during November. Evenings are cooler, when temperatures can drop to lows of 3°C / 37°F. Autumn is a beautiful season in Lancaster with spectacular autumn foliage.

Winter temperatures remain fairly cool for several months in Lancaster and snowy weather usually occurs between December and March. The average annual snowfall is around 19 cm / 7.5 inches. January is the coldest month of the year with temperatures ranging from high 3°C / 37°F, to lows of -5°C / 23°F.

Lancaster Weather and Climate Chart (Averages)

The following are the normal daily temperature ranges for Lancaster:

	Maximum	Minimum
January	3°C / 37°F	-5°C / 23°F
February	5°C / 41°F	-4°C / 25°F
March	11°C / 52°F	1°C / 34°F
April	17°C / 63°F	6°C / 43°F
May	23°C / 73°F	12°C / 54°F
June	28°C / 82°F	17°C / 63°F
July	30°C / 86°F	20°C / 68°F
August	29°C / 84°F	19°C / 66°F
September	25°C / 77°F	15°C / 59°F
October	19°C / 66°F	8°C / 46°F
November	13°C / 55°F	3°C / 37°F
December	6°C / 43°F	-2°C / 28°F