CLIMATE CHARTS

Hermiston, Oregon

Latitude: 45.8289 Longitude: -119.2636

Elevation: 640.1 feet (195.1 meters)

Hermiston, Oregon Temperature Chart Daily average maximum and minimum temperatures for Hermiston, Oregon Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High & Low Temperature °F  °C -30 -34.4 -20 -28.9 -10 -23.3 0 -17.8 10 -12.2 20 -6.7 30 -1.1 40 4.4 50 10.0 60 15.6 70 21.1 80 26.7 90 32.2 100 37.8 110 43.3 Hermiston, Oregon Precipitation Chart Precipitation chart for Hermiston, Oregon Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Precipitation In. Cm. 0.00 0.00 0.10 0.25 0.20 0.51 0.30 0.76 0.40 1.02 0.50 1.27 0.60 1.52 0.70 1.78 0.80 2.03 0.90 2.29 1.00 2.54 Daylight Chart for HERMISTON, OR Daylight chart for HERMISTON, OR. Latitude 45.8. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Sunrise/Sunset Daylight NOON NOON 0 0 2 2 4 4 6 6 8 8 10 10 12 12 14 2 16 4 18 6 20 8 22 10 24 12

Monthly Data Table for Hermiston, Oregon

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 41.5 47.9 57.5 64.8 72.8 79.7 88.6 87.5 78.7 65.2 50.5 39.6
Minimum Temperature °F 28.2 29.2 34.2 39.5 46.6 53.2 58.3 57.1 48.1 38.6 32.8 27.4
Heating Degree Days °F 935 740 594 387 198 57 8 8 106 407 701 976
Cooling Degree Days °F 0 0 0 2 34 101 270 234 58 1 0 0
Precipitation in. 1.28 0.96 0.87 0.88 1.12 0.59 0.22 0.20 0.44 0.72 1.19 1.45

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 5.3 8.8 14.2 18.2 22.7 26.5 31.4 30.8 25.9 18.4 10.3 4.2
Minimum Temperature °C -2.1 -1.6 1.2 4.2 8.1 11.8 14.6 13.9 8.9 3.7 0.4 -2.6
Heating Degree Days °C 519 411 330 215 110 32 4 4 59 226 389 542
Cooling Degree Days °C 0 0 0 1 19 56 150 130 32 1 0 0
Precipitation cm. 3.25 2.44 2.21 2.24 2.84 1.50 0.56 0.51 1.12 1.83 3.02 3.68
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