Dayville town, Oregon

Official LSAD Designation: Dayville town • Census GEOID: 4118300 • Grant County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Dayville town.

Reference Weather Station: DAYVILLE 8 NW, OR US (ID: USC00352173) • Located 8.3 miles from community center • Elevation: 688.8 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	45.3°	28.8°	37.1°	1.12"
February	50.4°	29.0°	39.7°	0.85"
March	57.5°	33.4°	45.5°	1.27"
April	63.0°	37.1°	50.0°	1.38"
May	72.7°	43.6°	58.1°	1.95"
June	81.0°	49.2°	65.1°	1.38"
July	92.6°	54.6°	73.6°	0.53"
August	91.9°	53.3°	72.6°	0.54"
September	82.4°	47.0°	64.7°	0.56"
October	67.5°	38.7°	53.1°	1.09"
November	53.5°	32.5°	43.0°	1.32"
December	45.5°	27.4°	36.5°	1.14"

2010–2025, completed calendar years only.

NOAA station JOHN DAY 35 WNW, OR US (ID: USW00004125) • 8.3 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00352173), 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	52.4	64.4	40.4
2011	51.1	63.8	38.4
2012	53.5	66.6	40.4
2013	51.9	64.7	39.0
2014	53.9	66.3	41.4
2015	54.9	68.0	41.8
2016	53.6	66.5	40.7
2017	52.4	65.2	39.5
2018	53.2	66.3	40.1
2019	51.6	64.0	39.3
2020	54.0	67.6	40.5
2021	54.4	67.7	41.1
2022	53.1	66.1	40.1
2023	53.0	65.6	40.5
2024	53.7	66.8	40.5
2025	54.5	68.0	41.0

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