Climate Overview

Explore comprehensive climate statistics and weather data for Ephrata, Washington. Our data includes temperature ranges, precipitation patterns, and seasonal variations to help you understand the local climate.

52°F
Average Temperature
7.58"
Annual Rainfall

Temperature Data

Monthly temperature variations throughout the year in Ephrata. The chart below shows average high, low, and mean temperatures for each month.

Temperature Extremes

Temperature extremes and frequency of extreme weather days by month:

Temperature extremes for Ephrata
MonthDays Below 32°FDays Below 0°FDays Above 90°FDays Above 100°F
January26.50.70.00.0
February21.80.20.00.0
March16.00.00.00.0
April5.30.00.00.0
May0.50.01.50.0
June0.00.04.60.7
July0.00.016.43.2
August0.00.013.82.1
September0.10.03.30.0
October4.90.00.00.0
November18.80.10.00.0
December27.10.20.00.0

Monthly Climate Data

Detailed monthly climate data for Ephrata
MonthHigh (°F)Avg (°F)Low (°F)
January36°F30°F24°F
February43°F35°F27°F
March54°F43°F32°F
April63°F51°F38°F
May73°F60°F48°F
June80°F67°F54°F
July89°F75°F61°F
August88°F74°F59°F
September78°F64°F51°F
October62°F51°F39°F
November46°F38°F30°F
December36°F30°F24°F

Precipitation Data

Degree Days Data

About This Data

Climate data for Ephrata is compiled from long-term historical averages and normalized to 30-year climate periods. Data includes temperature, precipitation, and seasonal statistics from NOAA Climate Normals (1991-2020).

Learn more about our data methodology