Walla Walla, Washington, United States Climate

Weather: 11.04°C/51.87°F, Wind SW at 4.63 km/h, 46% Humidity, 0% Chance of rain

United States
(Photo by Caleb Riston on Unsplash)
Contents

Walla Walla Climate Summary

Located at an elevation of 286.84 meters (941.08 feet) above sea level, Walla Walla has a Mediterranean, hot summer climate (Classification: Csa). The district’s yearly temperature is 12.45ºC (54.41ºF) and it is -0.19% lower than United States’s averages. Walla Walla typically receives about 77.9 millimeters (3.07 inches) of precipitation and has 141.17 rainy days (38.68% of the time) annually.

CountryUnited States
CityWashington
Longitude-118.3430208
Latitude46.0645809
Attitude/Elevation286.84m (941.08ft)
Local timeThursday 17:38
Annual high temperature16.31ºC (61.36ºF)
Annual low temperature4.92ºC (40.86ºF)
Average annual precip.77.9mm (3.07in)
Warmest monthAugust (30.01ºC / 86.02ºF)
Coldest MonthDecember (-2.87ºC / 26.83ºF)
Wettest MonthMarch (125.39mm / 4.94in)
Driest MonthJuly (23.27mm / 0.92in)
Number of days with rainfall (≥ 1.0 mm)141.17 days (38.68%)
Days with no rain223.83 days (61.32%)
Humidity62.01%

Climate Walla Walla: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)15.0(59.0)16.0(60.8)22.0(71.6)27.0(80.6)33.0(91.4)42.0(107.6)39.0(102.2)41.0(105.8)38.0(100.4)29.0(84.2)21.0(69.8)15.0(59.0)42.0(107.6)
Average high °C (°F)4.8(40.64)6.65(43.97)10.77(51.39)14.67(58.41)19.85(67.73)23.77(74.79)29.94(85.89)30.01(86.02)24.74(76.53)16.79(62.22)9.45(49.01)4.26(39.67)16.31(61.36)
Daily mean °C (°F)1.58(34.84)3.48(38.26)7.26(45.07)10.92(51.66)16.01(60.82)19.92(67.86)25.5(77.9)25.3(77.54)19.9(67.82)12.48(54.46)5.85(42.53)1.16(34.09)12.45(54.41)
Average low °C (°F)-2.77(27.01)-1.54(29.23)1.03(33.85)3.05(37.49)6.32(43.38)9.39(48.9)13.82(56.88)14.33(57.79)10.88(51.58)6.07(42.93)1.32(34.38)-2.87(26.83)4.92(40.86)
Record low °C (°F)-25.0(-13.0)-18.0(-0.4)-13.0(8.6)-7.0(19.4)-4.0(24.8)2.0(35.6)3.0(37.4)6.0(42.8)0.0(0)-6.0(21.2)-24.0(-11.2)-23.0(-9.4)-25.0(-13.0)
Average precipitation mm (inches)103.67(4.08)102.28(4.03)125.39(4.94)81.81(3.22)91.49(3.6)67.2(2.65)23.27(0.92)24.64(0.97)33.99(1.34)75.99(2.99)90.58(3.57)114.52(4.51)77.9(3.07)
Average precipitation days (≥ 1.0 mm)14.9115.0916.8214.0914.369.454.456.186.5510.9113.0915.2711.76
Average relative humidity (%)80.4577.1771.6565.3362.6155.6140.4838.346.3857.9169.3578.8862.01
Mean monthly sunshine hours7.127.219.6712.8413.8714.0614.3713.9612.118.77.557.0210.71

Climate Graph

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

Walla Walla

Walla Walla Temperature by Month

July
25.5°C | 77.9°F
August
25.3°C | 77.54°F
June
19.92°C | 67.86°F
September
19.9°C | 67.82°F
May
16.01°C | 60.82°F
October
12.48°C | 54.46°F
April
10.92°C | 51.66°F
March
7.26°C | 45.07°F
November
5.85°C | 42.53°F
February
3.48°C | 38.26°F
January
1.58°C | 34.84°F
December
1.16°C | 34.09°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 Temperature39.0°C (102.2°F)32.74°C (90.93°F)25.0°C (77.0°F)
Avg Temperature34.0°C (93.2°F)28.16°C (82.69°F)21.0°C (69.8°F)
Min Temperature23.0°C (73.4°F)16.87°C (62.37°F)10.0°C (50.0°F)
Dew PointMaxAverageMin
Dew Point9.0°C (48.2°F)4.0°C (39.2°F)-1.0°C (30.2°F)
PrecipitationMaxAverageMinSum
Precipitation4.5mm | 0.18in0.47mm | 0.02in0.0mm | 0in14.6mm | 0.57in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind18.0kmh | 11.18mph9.61kmh | 5.97mph6.0kmh | 3.73mph
Gust Wind24.0kmh | 14.91mph15.13kmh | 9.4mph9.0kmh | 5.59mph
Sea Level PressureMaxAverageMin
Sea Level Pressure4.5mb0.47mb0.0mb
Walla Walla

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
August° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2017-08-0131 | 87.80 | 32.0198 | 4.9730.03 | 10170.0 | 0.0
2017-08-0233 | 91.42 | 35.6199 | 5.5929.97 | 10150.0 | 0.0
2017-08-0332 | 89.64 | 39.2227 | 4.3529.91 | 10130.0 | 0.0
2017-08-0432 | 89.63 | 37.42213 | 8.0829.77 | 10080.0 | 0.0
2017-08-0529 | 84.24 | 39.22710 | 6.2129.8 | 10090.0 | 0.0
2017-08-0630 | 86.03 | 37.4249 | 5.5929.85 | 10110.0 | 0.0
2017-08-0731 | 87.83 | 37.4227 | 4.3529.88 | 10120.0 | 0.0
2017-08-0832 | 89.63 | 37.4229 | 5.5929.88 | 10120.0 | 0.0
2017-08-0934 | 93.23 | 37.4198 | 4.9729.88 | 10120.0 | 0.0
2017-08-1034 | 93.24 | 39.2209 | 5.5929.88 | 10120.0 | 0.0
2017-08-1133 | 91.41 | 33.8188 | 4.9729.8 | 10090.0 | 0.0
2017-08-1228 | 82.49 | 48.23813 | 8.0829.77 | 10084.5 | 0.18
2017-08-1322 | 71.69 | 48.25118 | 11.1829.83 | 10101.7 | 0.07
2017-08-1421 | 69.85 | 41.04310 | 6.2129.85 | 10110.0 | 0.0
2017-08-1523 | 73.41 | 33.8317 | 4.3529.85 | 10110.0 | 0.0
2017-08-1626 | 78.86 | 42.83311 | 6.8429.91 | 10130.0 | 0.0
2017-08-1725 | 77.07 | 44.64111 | 6.8430.0 | 10160.0 | 0.0
2017-08-1827 | 80.64 | 39.23013 | 8.0829.97 | 10150.0 | 0.0
2017-08-1922 | 71.66 | 42.8459 | 5.5930.0 | 10160.0 | 0.0
2017-08-2023 | 73.43 | 37.4347 | 4.3530.0 | 10160.0 | 0.0
2017-08-2128 | 82.43 | 37.4307 | 4.3530.03 | 10170.0 | 0.0
2017-08-2229 | 84.24 | 39.2277 | 4.3529.94 | 10140.0 | 0.0
2017-08-2328 | 82.46 | 42.83312 | 7.4629.88 | 10121.3 | 0.05
2017-08-2424 | 75.27 | 44.64315 | 9.3229.85 | 10112.0 | 0.08
2017-08-2523 | 73.42 | 35.6346 | 3.7329.97 | 10150.0 | 0.0
2017-08-2627 | 80.61 | 33.8257 | 4.3530.09 | 10190.0 | 0.0
2017-08-2730 | 86.0-1 | 30.2197 | 4.3530.03 | 10170.0 | 0.0
2017-08-2831 | 87.83 | 37.4227 | 4.3529.91 | 10132.0 | 0.08
2017-08-2932 | 89.68 | 46.4327 | 4.3529.8 | 10092.7 | 0.11
2017-08-3029 | 84.24 | 39.22814 | 8.729.83 | 10100.4 | 0.02
2017-08-3124 | 75.27 | 44.64213 | 8.0829.97 | 10150.0 | 0.0

Walla Walla 11 Year Historical Weather Data

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