Climate
Lancaster weather by month
Average highs, lows, rain and snow for every month, from 30 years of weather records.
Average temperatures
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Best time to visit: April, May, October, when highs are mild and rain is lightest.
Month by month
| Month | High | Low | Rain | Wet days |
|---|---|---|---|---|
| January | 59°F | 31°F | 1.5 in | 5 |
| February | 62°F | 35°F | 1.8 in | 5 |
| March | 67°F | 40°F | 1.0 in | 4 |
| April | 73°F | 45°F | 0.40 in | 2 |
| May | 82°F | 53°F | 0.10 in | 1 |
| June | 91°F | 62°F | 0.10 in | 0 |
| July | 98°F | 67°F | 0.10 in | 1 |
| August | 98°F | 65°F | 0.00 in | 0 |
| September | 91°F | 57°F | 0.10 in | 1 |
| October | 80°F | 46°F | 0.30 in | 2 |
| November | 67°F | 35°F | 0.40 in | 2 |
| December | 58°F | 30°F | 1.1 in | 4 |
NOAA U.S. Climate Normals 1991–2020, Lancaster Wm J Fox Fld, Ca Us (5 mi away, 2,338 ft). Wet days: days with at least 0.01 in of precipitation.
Questions
What is the hottest month in Lancaster?
August, with an average high of 98°F and low of 65°F.
What is the coldest month in Lancaster?
December, with an average low of 30°F and high of 58°F.
When does it rain most in Lancaster?
February is the wettest month, averaging 1.8 in of precipitation; the year totals about 6.9 inches.
What is the best time to visit Lancaster?
For mild weather (highs between 65°F and 85°F) with the least rain, April, May, October.
Where do these numbers come from?
NOAA’s 1991–2020 U.S. Climate Normals for the Lancaster Wm J Fox Fld weather station, 5 miles from downtown: 30-year averages, not a forecast.