Hermiston, Oregon, United States Climate

Weather: 17.52°C/63.54°F, Wind SW at 5.14 km/h, 24% Humidity, 0% Chance of rain

United States
(Photo by everett mcintire on Unsplash)
Contents

Hermiston Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Hermiston has a Mid-latitude steppe climate (Classification: BSk). The district’s yearly temperature is 14.18ºC (57.52ºF) and it is 1.54% higher than United States’s averages. Hermiston typically receives about 10.0 millimeters (0.39 inches) of precipitation and has 21.81 rainy days (5.98% of the time) annually.

CountryUnited States
CityOregon
Longitude-119.2894604
Latitude45.8404101
Attitude/ElevationNonem (0ft)
Local timeSaturday 04:41
Annual high temperature17.41ºC (63.34ºF)
Annual low temperature8.28ºC (46.9ºF)
Average annual precip.10.0mm (0.39in)
Warmest monthAugust (31.29ºC / 88.32ºF)
Coldest MonthFebruary (-0.15ºC / 31.73ºF)
Wettest MonthFebruary (19.14mm / 0.75in)
Driest MonthJuly (1.21mm / 0.05in)
Number of days with rainfall (≥ 1.0 mm)21.81 days (5.98%)
Days with no rain343.19 days (94.02%)
Humidity54.48%

Climate Hermiston: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)17.0(62.6)17.0(62.6)20.0(68.0)25.0(77.0)31.0(87.8)34.0(93.2)40.0(104.0)41.0(105.8)37.0(98.6)33.0(91.4)22.0(71.6)17.0(62.6)41.0(105.8)
Average high °C (°F)7.14(44.85)5.94(42.69)10.41(50.74)16.21(61.18)21.98(71.56)24.98(76.96)31.15(88.07)31.29(88.32)25.57(78.03)16.82(62.28)10.74(51.33)6.66(43.99)17.41(63.34)
Daily mean °C (°F)4.96(40.93)3.68(38.62)7.32(45.18)12.91(55.24)18.62(65.52)21.44(70.59)26.96(80.53)26.83(80.29)21.33(70.39)13.58(56.44)8.1(46.58)4.42(39.96)14.18(57.52)
Average low °C (°F)1.51(34.72)-0.15(31.73)2.69(36.84)7.02(44.64)11.3(52.34)13.47(56.25)17.58(63.64)18.25(64.85)14.22(57.6)8.33(46.99)4.21(39.58)0.98(33.76)8.28(46.9)
Record low °C (°F)-14.0(6.8)-11.0(12.2)-10.0(14.0)1.0(33.8)3.0(37.4)7.0(44.6)10.0(50.0)12.0(53.6)2.0(35.6)-4.0(24.8)-4.0(24.8)-6.0(21.2)-14.0(6.8)
Average precipitation mm (inches)19.1(0.75)19.14(0.75)13.44(0.53)11.98(0.47)11.13(0.44)8.0(0.31)1.21(0.05)4.32(0.17)3.55(0.14)8.57(0.34)8.35(0.33)11.21(0.44)10.0(0.39)
Average precipitation days (≥ 1.0 mm)2.733.182.02.272.361.180.270.911.091.361.912.551.82
Average relative humidity (%)71.4768.0465.0155.6252.3146.6835.7635.3943.1948.0660.5771.6754.48
Mean monthly sunshine hours6.788.7310.1711.3313.8414.0814.4413.1211.399.87.697.1910.71

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Hermiston in recent years.

Hermiston

Hermiston Temperature by Month

July
26.96°C | 80.53°F
August
26.83°C | 80.29°F
June
21.44°C | 70.59°F
September
21.33°C | 70.39°F
May
18.62°C | 65.52°F
October
13.58°C | 56.44°F
April
12.91°C | 55.24°F
November
8.1°C | 46.58°F
March
7.32°C | 45.18°F
January
4.96°C | 40.93°F
December
4.42°C | 39.96°F
February
3.68°C | 38.62°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature15.0°C (59.0°F)6.68°C (44.02°F)0.0°C (0°F)
Avg Temperature13.0°C (55.4°F)4.32°C (39.78°F)-1.0°C (30.2°F)
Min Temperature9.0°C (48.2°F)1.1°C (33.98°F)-4.0°C (24.8°F)
Dew PointMaxAverageMin
Dew Point4.0°C (39.2°F)-0.58°C (30.96°F)-6.0°C (21.2°F)
PrecipitationMaxAverageMinSum
Precipitation6.1mm | 0.24in0.58mm | 0.02in0.0mm | 0in17.9mm | 0.7in
Snowdepth0.9mm | 0.04in0.04mm | 0.0in0.0mm | 0in1.3mm | 0.05in
WindMaxAverageMin
Wind30.0kmh | 18.64mph7.71kmh | 4.79mph2.0kmh | 1.24mph
Gust Wind54.0kmh | 33.55mph12.97kmh | 8.06mph3.0kmh | 1.86mph
Sea Level PressureMaxAverageMin
Sea Level Pressure6.1mb0.58mb0.0mb
Hermiston

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
December° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-12-01-1 | 30.2-3 | 26.6875 | 3.1130.15 | 10211.1 | 0.04
2019-12-023 | 37.4-1 | 30.2842 | 1.2430.21 | 10230.0 | 0.0
2019-12-036 | 42.81 | 33.8782 | 1.2430.18 | 10220.0 | 0.0
2019-12-047 | 44.62 | 35.6734 | 2.4929.97 | 10150.0 | 0.0
2019-12-056 | 42.81 | 33.8734 | 2.4930.06 | 10180.0 | 0.0
2019-12-066 | 42.81 | 33.8724 | 2.4930.0 | 10160.0 | 0.0
2019-12-077 | 44.63 | 37.4783 | 1.8629.83 | 10100.3 | 0.01
2019-12-086 | 42.84 | 39.2863 | 1.8630.0 | 10161.0 | 0.04
2019-12-096 | 42.82 | 35.6813 | 1.8630.24 | 10240.0 | 0.0
2019-12-104 | 39.2-0 | 32.0772 | 1.2430.21 | 10230.0 | 0.0
2019-12-116 | 42.82 | 35.6775 | 3.1130.06 | 10182.9 | 0.11
2019-12-129 | 48.23 | 37.47421 | 13.0529.97 | 10154.2 | 0.17
2019-12-136 | 42.80 | 32.07224 | 14.9130.06 | 10180.0 | 0.0
2019-12-144 | 39.2-0 | 32.07715 | 9.3230.0 | 10160.0 | 0.0
2019-12-153 | 37.4-1 | 30.2786 | 3.7330.15 | 10210.1 | 0.0
2019-12-163 | 37.4-5 | 23.0604 | 2.4930.42 | 10300.0 | 0.0
2019-12-171 | 33.8-6 | 21.2618 | 4.9730.36 | 10280.0 | 0.0
2019-12-181 | 33.8-6 | 21.2643 | 1.8630.06 | 10180.0 | 0.0
2019-12-195 | 41.01 | 33.8795 | 3.1129.94 | 10146.1 | 0.24
2019-12-2013 | 55.43 | 37.45530 | 18.6429.91 | 10130.1 | 0.0
2019-12-2110 | 50.02 | 35.65826 | 16.1629.8 | 10090.0 | 0.0
2019-12-225 | 41.01 | 33.8819 | 5.5929.77 | 10080.2 | 0.01
2019-12-234 | 39.2-1 | 30.27615 | 9.3229.91 | 10131.1 | 0.04
2019-12-242 | 35.6-3 | 26.6772 | 1.2429.88 | 10120.0 | 0.0
2019-12-25-0 | 32.0-3 | 26.6834 | 2.4930.0 | 10160.1 | 0.0
2019-12-260 | 32.0-3 | 26.6832 | 1.2430.21 | 10230.3 | 0.01
2019-12-272 | 35.6-3 | 26.67610 | 6.2130.18 | 10220.0 | 0.0
2019-12-281 | 33.8-4 | 24.8753 | 1.8630.27 | 10250.0 | 0.0
2019-12-29-0 | 32.0-5 | 23.0758 | 4.9730.18 | 10220.0 | 0.0
2019-12-302 | 35.6-2 | 28.4773 | 1.8630.33 | 10270.0 | 0.0
2019-12-317 | 44.62 | 35.6714 | 2.4930.06 | 10180.4 | 0.02

Hermiston 3 Year Historical Weather Data

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