Lake Oswego, Oregon, United States Climate

Weather: 8.56°C/47.41°F, Wind SW at 8.75 km/h, 87% Humidity, 0% Chance of rain

United States
(Photo by Billy Cox on Unsplash)

Lake Oswego Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Lake Oswego has a Mediterranean, warm summer climate (Classification: Csb). The district’s yearly temperature is 14.59ºC (58.26ºF) and it is 1.95% higher than United States’s averages. Lake Oswego typically receives about 34.02 millimeters (1.34 inches) of precipitation and has 40.91 rainy days (11.21% of the time) annually.

CountryUnited States
CityOregon
Longitude-122.7163273
Latitude45.415734
Attitude/ElevationNonem (0ft)
Local timeThursday 22:39
Annual high temperature17.78ºC (64.0ºF)
Annual low temperature9.5ºC (49.1ºF)
Average annual precip.34.02mm (1.34in)
Warmest monthAugust (29.3ºC / 84.74ºF)
Coldest MonthFebruary (2.78ºC / 37.0ºF)
Wettest MonthJanuary (75.42mm / 2.97in)
Driest MonthJuly (4.01mm / 0.16in)
Number of days with rainfall (≥ 1.0 mm)40.91 days (11.21%)
Days with no rain324.09000000000003 days (88.79%)
Humidity67.32%

Climate Lake Oswego: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)15.0(59.0)16.0(60.8)23.0(73.4)32.0(89.6)35.0(95.0)36.0(96.8)40.0(104.0)40.0(104.0)35.0(95.0)33.0(91.4)20.0(68.0)13.0(55.4)40.0(104.0)
Average high °C (°F)9.29(48.72)8.28(46.9)12.57(54.63)16.26(61.27)21.75(71.15)23.81(74.86)28.88(83.98)29.3(84.74)24.46(76.03)17.8(64.04)12.3(54.14)8.68(47.62)17.78(64.0)
Daily mean °C (°F)7.53(45.55)6.04(42.87)9.38(48.88)13.12(55.62)18.15(64.67)20.02(68.04)24.27(75.69)24.62(76.32)20.49(68.88)14.6(58.28)9.9(49.82)6.96(44.53)14.59(58.26)
Average low °C (°F)4.63(40.33)2.78(37.0)4.74(40.53)8.0(46.4)11.52(52.74)12.79(55.02)16.41(61.54)17.43(63.37)14.8(58.64)10.22(50.4)6.64(43.95)4.08(39.34)9.5(49.1)
Record low °C (°F)-3.0(26.6)-4.0(24.8)-2.0(28.4)2.0(35.6)6.0(42.8)7.0(44.6)11.0(51.8)13.0(55.4)5.0(41.0)1.0(33.8)0.0(0)-2.0(28.4)-4.0(24.8)
Average precipitation mm (inches)75.42(2.97)42.9(1.69)30.63(1.21)40.96(1.61)24.84(0.98)24.82(0.98)4.01(0.16)4.47(0.18)28.11(1.11)30.44(1.2)41.92(1.65)59.73(2.35)34.02(1.34)
Average precipitation days (≥ 1.0 mm)5.644.734.04.363.182.360.731.092.822.733.915.363.41
Average relative humidity (%)78.8876.3368.5467.3363.0860.956.9756.2462.6264.0972.5280.3567.32
Mean monthly sunshine hours5.97.639.119.0412.6414.4514.1611.410.539.396.545.689.71

Climate Graph

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

Lake Oswego

Lake Oswego Temperature by Month

August
24.62°C | 76.32°F
July
24.27°C | 75.69°F
September
20.49°C | 68.88°F
June
20.02°C | 68.04°F
May
18.15°C | 64.67°F
October
14.6°C | 58.28°F
April
13.12°C | 55.62°F
November
9.9°C | 49.82°F
March
9.38°C | 48.88°F
January
7.53°C | 45.55°F
December
6.96°C | 44.53°F
February
6.04°C | 42.87°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature37.0°C (98.6°F)28.87°C (83.97°F)21.0°C (69.8°F)
Avg Temperature31.0°C (87.8°F)24.29°C (75.72°F)19.0°C (66.2°F)
Min Temperature22.0°C (71.6°F)16.61°C (61.9°F)13.0°C (55.4°F)
Dew PointMaxAverageMin
Dew Point16.0°C (60.8°F)13.23°C (55.81°F)8.0°C (46.4°F)
PrecipitationMaxAverageMinSum
Precipitation11.0mm | 0.43in0.98mm | 0.04in0.0mm | 0in30.3mm | 1.19in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind10.0kmh | 6.21mph6.23kmh | 3.87mph3.0kmh | 1.86mph
Gust Wind13.0kmh | 8.08mph7.77kmh | 4.83mph3.0kmh | 1.86mph
Sea Level PressureMaxAverageMin
Sea Level Pressure11.0mb0.98mb0.0mb
Lake Oswego

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
August° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-08-0126 | 78.814 | 57.2626 | 3.7329.97 | 10150.0 | 0.0
2019-08-0222 | 71.616 | 60.8757 | 4.3530.09 | 10191.4 | 0.06
2019-08-0326 | 78.813 | 55.45610 | 6.2130.06 | 10180.0 | 0.0
2019-08-0429 | 84.213 | 55.4496 | 3.7330.0 | 10160.0 | 0.0
2019-08-0529 | 84.215 | 59.0534 | 2.4930.0 | 10161.0 | 0.04
2019-08-0628 | 82.416 | 60.8613 | 1.8629.94 | 10140.3 | 0.01
2019-08-0724 | 75.215 | 59.0675 | 3.1129.94 | 10140.0 | 0.0
2019-08-0820 | 68.014 | 57.2733 | 1.8629.97 | 10150.2 | 0.01
2019-08-0923 | 73.413 | 55.4616 | 3.7329.91 | 10130.5 | 0.02
2019-08-1022 | 71.615 | 59.0735 | 3.1129.94 | 101411.0 | 0.43
2019-08-1121 | 69.813 | 55.4697 | 4.3530.09 | 10193.0 | 0.12
2019-08-1225 | 77.012 | 53.6584 | 2.4930.09 | 10190.0 | 0.0
2019-08-1327 | 80.613 | 55.4526 | 3.7330.09 | 10190.0 | 0.0
2019-08-1426 | 78.815 | 59.0595 | 3.1130.15 | 10210.0 | 0.0
2019-08-1524 | 75.214 | 57.2628 | 4.9730.15 | 10210.0 | 0.0
2019-08-1622 | 71.613 | 55.4649 | 5.5930.06 | 10180.0 | 0.0
2019-08-1721 | 69.812 | 53.6667 | 4.3529.97 | 10150.1 | 0.0
2019-08-1824 | 75.214 | 57.2665 | 3.1129.85 | 10110.0 | 0.0
2019-08-1924 | 75.214 | 57.2624 | 2.4929.94 | 10140.0 | 0.0
2019-08-2025 | 77.014 | 57.2616 | 3.7329.94 | 10140.0 | 0.0
2019-08-2119 | 66.214 | 57.2787 | 4.3530.0 | 10161.6 | 0.06
2019-08-2221 | 69.811 | 51.8648 | 4.9730.03 | 10170.2 | 0.01
2019-08-2323 | 73.411 | 51.8567 | 4.3529.91 | 10130.0 | 0.0
2019-08-2423 | 73.410 | 50.0556 | 3.7329.97 | 10150.0 | 0.0
2019-08-2522 | 71.611 | 51.8599 | 5.5930.12 | 10200.0 | 0.0
2019-08-2624 | 75.211 | 51.85410 | 6.2130.09 | 10190.0 | 0.0
2019-08-2730 | 86.08 | 46.43610 | 6.2129.91 | 10130.0 | 0.0
2019-08-2831 | 87.812 | 53.6414 | 2.4929.85 | 10110.6 | 0.02
2019-08-2925 | 77.015 | 59.0656 | 3.7329.97 | 10158.8 | 0.35
2019-08-3023 | 73.414 | 57.2695 | 3.1130.03 | 10171.6 | 0.06
2019-08-3124 | 75.215 | 59.0675 | 3.1129.97 | 10150.0 | 0.0

Comments (0)

  • Latest first
  • Highest rated
Be the first to comment on this page