Kennewick, Washington, United States Climate

Weather: 13.8°C/56.84°F, Wind SW at 3.13 km/h, 64% Humidity, 0% Chance of rain

Kennewick Climate Summary

Located at an elevation of 114.66 meters (376.18 feet) above sea level, Kennewick has a Mid-latitude steppe climate (Classification: BSk). The district’s yearly temperature is 14.17ºC (57.51ºF) and it is 1.53% higher than United States’s averages. Kennewick typically receives about 36.2 millimeters (1.43 inches) of precipitation and has 89.63 rainy days (24.56% of the time) annually.

CountryUnited States
CityWashington
Longitude-119.119948
Latitude46.2086683
Attitude/Elevation114.66m (376.18ft)
Local timeThursday 17:31
Annual high temperature17.92ºC (64.26ºF)
Annual low temperature7.22ºC (45.0ºF)
Average annual precip.36.2mm (1.43in)
Warmest monthJuly (32.35ºC / 90.23ºF)
Coldest MonthDecember (-1.96ºC / 28.47ºF)
Wettest MonthJanuary (55.21mm / 2.17in)
Driest MonthJuly (11.47mm / 0.45in)
Number of days with rainfall (≥ 1.0 mm)89.63 days (24.56%)
Days with no rain275.37 days (75.44%)
Humidity56.02%

Climate Kennewick: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)16.0(60.8)18.0(64.4)23.0(73.4)30.0(86.0)34.0(93.2)44.0(111.2)42.0(107.6)42.0(107.6)39.0(102.2)31.0(87.8)21.0(69.8)17.0(62.6)44.0(111.2)
Average high °C (°F)4.55(40.19)7.74(45.93)12.85(55.13)17.46(63.43)22.83(73.09)26.74(80.13)32.35(90.23)32.05(89.69)26.03(78.85)17.8(64.04)10.13(50.23)4.5(40.1)17.92(64.26)
Daily mean °C (°F)1.77(35.19)4.61(40.3)9.22(48.6)13.62(56.52)19.04(66.27)22.77(72.99)27.67(81.81)27.29(81.12)21.7(71.06)13.98(57.16)6.73(44.11)1.62(34.92)14.17(57.51)
Average low °C (°F)-1.87(28.63)0.22(32.4)3.31(37.96)5.79(42.42)9.9(49.82)12.84(55.11)16.82(62.28)17.38(63.28)13.55(56.39)8.26(46.87)2.45(36.41)-1.96(28.47)7.22(45.0)
Record low °C (°F)-20.0(-4.0)-13.0(8.6)-10.0(14.0)-2.0(28.4)0.0(0)6.0(42.8)9.0(48.2)10.0(50.0)2.0(35.6)-4.0(24.8)-19.0(-2.2)-20.0(-4.0)-20.0(-4.0)
Average precipitation mm (inches)55.21(2.17)48.19(1.9)51.43(2.02)37.55(1.48)39.65(1.56)32.73(1.29)11.47(0.45)15.81(0.62)13.93(0.55)39.95(1.57)38.35(1.51)50.11(1.97)36.2(1.43)
Average precipitation days (≥ 1.0 mm)9.7310.3610.097.648.096.092.274.273.827.829.010.457.47
Average relative humidity (%)78.6671.8163.3353.7649.9445.3135.7635.3442.3953.5465.6276.7556.02
Mean monthly sunshine hours7.057.429.912.8713.9514.1714.4313.9412.188.467.717.0210.76

Climate Graph

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

Kennewick

Kennewick Temperature by Month

July
27.67°C | 81.81°F
August
27.29°C | 81.12°F
June
22.77°C | 72.99°F
September
21.7°C | 71.06°F
May
19.04°C | 66.27°F
October
13.98°C | 57.16°F
April
13.62°C | 56.52°F
March
9.22°C | 48.6°F
November
6.73°C | 44.11°F
February
4.61°C | 40.3°F
January
1.77°C | 35.19°F
December
1.62°C | 34.92°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • 2017
  • 2016
  • 2015
  • 2014
  • 2013
  • 2012
  • 2011
  • 2010
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature41.0°C (105.8°F)34.16°C (93.49°F)27.0°C (80.6°F)
Avg Temperature36.0°C (96.8°F)29.71°C (85.48°F)23.0°C (73.4°F)
Min Temperature24.0°C (75.2°F)18.97°C (66.15°F)12.0°C (53.6°F)
Dew PointMaxAverageMin
Dew Point11.0°C (51.8°F)5.74°C (42.33°F)0.0°C (0°F)
PrecipitationMaxAverageMinSum
Precipitation4.2mm | 0.17in0.36mm | 0.01in0.0mm | 0in11.2mm | 0.44in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind26.0kmh | 16.16mph12.9kmh | 8.02mph3.0kmh | 1.86mph
Gust Wind34.0kmh | 21.13mph19.39kmh | 12.05mph5.0kmh | 3.11mph
Sea Level PressureMaxAverageMin
Sea Level Pressure4.2mb0.36mb0.0mb
Kennewick

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
July° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2015-07-0133 | 91.48 | 46.4288 | 4.9729.91 | 10130.0 | 0.0
2015-07-0235 | 95.08 | 46.4257 | 4.3529.88 | 10120.0 | 0.0
2015-07-0335 | 95.06 | 42.82310 | 6.2129.77 | 10080.0 | 0.0
2015-07-0434 | 93.26 | 42.82512 | 7.4629.71 | 10060.0 | 0.0
2015-07-0533 | 91.45 | 41.02014 | 8.729.77 | 10080.0 | 0.0
2015-07-0633 | 91.48 | 46.42710 | 6.2129.88 | 10120.0 | 0.0
2015-07-0732 | 89.66 | 42.8278 | 4.9729.83 | 10100.7 | 0.03
2015-07-0833 | 91.47 | 44.6265 | 3.1129.71 | 10060.0 | 0.0
2015-07-0934 | 93.27 | 44.62611 | 6.8429.62 | 10031.1 | 0.04
2015-07-1031 | 87.811 | 51.83723 | 14.2929.65 | 10044.2 | 0.17
2015-07-1127 | 80.69 | 48.24026 | 16.1629.77 | 10080.9 | 0.04
2015-07-1227 | 80.69 | 48.24018 | 11.1829.91 | 10132.1 | 0.08
2015-07-1327 | 80.69 | 48.23816 | 9.9429.94 | 10140.0 | 0.0
2015-07-1427 | 80.67 | 44.63510 | 6.2129.88 | 10120.0 | 0.0
2015-07-1528 | 82.46 | 42.83415 | 9.3229.88 | 10120.0 | 0.0
2015-07-1626 | 78.86 | 42.83613 | 8.0829.94 | 10140.0 | 0.0
2015-07-1727 | 80.61 | 33.82410 | 6.2129.94 | 10140.0 | 0.0
2015-07-1829 | 84.24 | 39.22512 | 7.4629.91 | 10130.0 | 0.0
2015-07-1933 | 91.45 | 41.0239 | 5.5929.91 | 10130.0 | 0.0
2015-07-2033 | 91.46 | 42.82623 | 14.2929.85 | 10110.0 | 0.0
2015-07-2129 | 84.23 | 37.42719 | 11.8129.77 | 10080.0 | 0.0
2015-07-2225 | 77.04 | 39.23315 | 9.3229.77 | 10080.0 | 0.0
2015-07-2326 | 78.84 | 39.23318 | 11.1829.83 | 10100.0 | 0.0
2015-07-2427 | 80.68 | 46.43817 | 10.5629.91 | 10130.0 | 0.0
2015-07-2526 | 78.89 | 48.24222 | 13.6729.94 | 10141.3 | 0.05
2015-07-2623 | 73.45 | 41.04118 | 11.1829.94 | 10140.1 | 0.0
2015-07-2723 | 73.44 | 39.23913 | 8.0830.03 | 10170.8 | 0.03
2015-07-2825 | 77.04 | 39.2365 | 3.1130.12 | 10200.0 | 0.0
2015-07-2930 | 86.02 | 35.6244 | 2.4930.09 | 10190.0 | 0.0
2015-07-3034 | 93.20 | 32.0183 | 1.8630.03 | 10170.0 | 0.0
2015-07-3136 | 96.81 | 33.8156 | 3.7329.94 | 10140.0 | 0.0

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