Lancaster experiences cold, snowy winters and hot, often wet summers. If you’re visiting during the winter, you can expect up to 20 inches of snow, much of it in January and February, though it can appear in November. The season sees average highs in the 30s, and average lows in the 20s. Summer tends to be warm, with average high temperatures in the 80s and the occasional spike into the 90s. Lancaster receives much of its yearly 42 inches of rain during this season, as well. Spring and fall are warm and mild.