Dallastown borough, Pennsylvania

Official LSAD Designation: Dallastown borough • Census GEOID: 4218072 • York County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Dallastown borough.

Reference Weather Station: YORK 3 SSW PUMP STN, PA US (ID: USC00369933) • Located 5.9 miles from community center • Elevation: 118.9 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	41.2°	21.3°	31.2°	3.27"
February	45.3°	23.2°	34.3°	2.81"
March	54.5°	30.2°	42.4°	4.01"
April	67.2°	40.0°	53.6°	3.62"
May	76.5°	49.7°	63.1°	4.20"
June	83.9°	58.5°	71.2°	4.29"
July	87.7°	63.1°	75.4°	4.52"
August	86.0°	61.5°	73.8°	3.96"
September	79.7°	54.5°	67.1°	5.10"
October	68.2°	43.0°	55.6°	3.94"
November	55.7°	33.1°	44.4°	3.22"
December	44.9°	26.1°	35.5°	3.52"

2010–2025, completed calendar years only.

NOAA station YORK AP, PA US (ID: USW00093778) • 12.4 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00369933), which has no available annual mean history.

Show annual mean of daily highs and lows

Annual mean Annual mean of daily highs Annual mean of daily lows

Annual temperature data table (°F)

Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year	Annual mean (°F)	Annual mean of daily highs (°F)	Annual mean of daily lows (°F)
2010	52.7	63.9	41.5
2011	53.6	64.3	42.8
2012	54.4	65.0	43.7
2013	52.3	62.5	42.1
2014	50.2	61.5	38.9
2015	52.2	63.6	40.8
2016	53.3	64.9	41.8
2017	53.6	64.4	42.9
2018	53.1	62.7	43.4
2019	53.1	63.8	42.5
2020	54.0	65.0	43.0
2021	54.1	64.9	43.2
2022	53.2	64.6	41.8
2023	54.7	66.4	43.0
2024	55.2	66.3	44.1
2025	53.0	63.7	42.2

Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.