Janesville, Wisconsin, United States Climate

Weather: -2.24°C/27.97°F, Wind SW at 0 km/h, 71% Humidity, 0% Chance of rain

Janesville Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Janesville has a Humid continental, no dry season, warm summer climate (Classification: Dfb). The district’s yearly temperature is 9.6ºC (49.28ºF) and it is -3.04% lower than United States’s averages. Janesville typically receives about 86.76 millimeters (3.42 inches) of precipitation and has 140.1 rainy days (38.38% of the time) annually.

CountryUnited States
CityWisconsin
Longitude-89.0187222
Latitude42.6827885
Attitude/ElevationNonem (0ft)
Local timeFriday 10:23
Annual high temperature12.68ºC (54.82ºF)
Annual low temperature4.33ºC (39.79ºF)
Average annual precip.86.76mm (3.42in)
Warmest monthJuly (26.62ºC / 79.92ºF)
Coldest MonthJanuary (-10.21ºC / 13.62ºF)
Wettest MonthJune (166.22mm / 6.54in)
Driest MonthJanuary (44.93mm / 1.77in)
Number of days with rainfall (≥ 1.0 mm)140.1 days (38.38%)
Days with no rain224.9 days (61.62%)
Humidity80.59%

Climate Janesville: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)12.0(53.6)18.0(64.4)27.0(80.6)26.0(78.8)34.0(93.2)32.0(89.6)33.0(91.4)34.0(93.2)33.0(91.4)29.0(84.2)23.0(73.4)16.0(60.8)34.0(93.2)
Average high °C (°F)-4.06(24.69)-2.3(27.86)5.89(42.6)12.39(54.3)19.68(67.42)24.62(76.32)26.62(79.92)25.88(78.58)22.18(71.92)14.94(58.89)6.45(43.61)-0.11(31.8)12.68(54.82)
Daily mean °C (°F)-6.4(20.48)-4.94(23.11)2.74(36.93)8.98(48.16)16.35(61.43)21.49(70.68)23.66(74.59)22.39(72.3)18.18(64.72)11.34(52.41)3.63(38.53)-2.18(28.08)9.6(49.28)
Average low °C (°F)-10.21(13.62)-9.05(15.71)-1.99(28.42)3.35(38.03)9.97(49.95)14.9(58.82)17.26(63.07)15.83(60.49)11.8(53.24)6.03(42.85)-0.55(31.01)-5.36(22.35)4.33(39.79)
Record low °C (°F)-34.0(-29.2)-25.0(-13.0)-27.0(-16.6)-9.0(15.8)-2.0(28.4)5.0(41.0)8.0(46.4)7.0(44.6)0.0(0)-7.0(19.4)-17.0(1.4)-26.0(-14.8)-34.0(-29.2)
Average precipitation mm (inches)44.93(1.77)46.67(1.84)59.98(2.36)110.77(4.36)143.0(5.63)166.22(6.54)126.83(4.99)90.84(3.58)71.35(2.81)77.57(3.05)55.05(2.17)47.88(1.89)86.76(3.42)
Average precipitation days (≥ 1.0 mm)7.918.649.9113.9117.017.016.3613.3610.559.558.07.9111.67
Average relative humidity (%)86.9486.6678.8375.779.0181.7483.7182.7179.7174.2476.2381.6580.59
Mean monthly sunshine hours5.645.958.9911.4312.7613.3713.5513.1811.357.616.766.059.72

Climate Graph

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

Janesville

Janesville Temperature by Month

July
23.66°C | 74.59°F
August
22.39°C | 72.3°F
June
21.49°C | 70.68°F
September
18.18°C | 64.72°F
May
16.35°C | 61.43°F
October
11.34°C | 52.41°F
April
8.98°C | 48.16°F
November
3.63°C | 38.53°F
March
2.74°C | 36.93°F
December
-2.18°C | 28.08°F
February
-4.94°C | 23.11°F
January
-6.4°C | 20.48°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 Temperature20.0°C (68.0°F)10.3°C (50.54°F)3.0°C (37.4°F)
Avg Temperature17.0°C (62.6°F)7.43°C (45.37°F)1.0°C (33.8°F)
Min Temperature12.0°C (53.6°F)2.77°C (36.99°F)-4.0°C (24.8°F)
Dew PointMaxAverageMin
Dew Point14.0°C (57.2°F)2.17°C (35.91°F)-10.0°C (14.0°F)
PrecipitationMaxAverageMinSum
Precipitation60.2mm | 2.37in5.55mm | 0.22in0.0mm | 0in166.6mm | 6.56in
Snowdepth0.3mm | 0.01in0.02mm | 0.0in0.0mm | 0in0.6mm | 0.02in
WindMaxAverageMin
Wind35.0kmh | 21.75mph17.63kmh | 10.95mph8.0kmh | 4.97mph
Gust Wind45.0kmh | 27.96mph25.3kmh | 15.72mph12.0kmh | 7.46mph
Sea Level PressureMaxAverageMin
Sea Level Pressure60.2mb5.55mb0.0mb
Janesville

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
April° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-04-015 | 41.01 | 33.8848 | 4.9730.09 | 10190.0 | 0.0
2020-04-0210 | 50.05 | 41.07818 | 11.1830.09 | 10190.0 | 0.0
2020-04-0311 | 51.87 | 44.68018 | 11.1830.03 | 10173.5 | 0.14
2020-04-046 | 42.81 | 33.87418 | 11.1830.09 | 10196.0 | 0.24
2020-04-058 | 46.4-0 | 32.0629 | 5.5930.18 | 10220.0 | 0.0
2020-04-068 | 46.43 | 37.47413 | 8.0830.0 | 10161.2 | 0.05
2020-04-0717 | 62.614 | 57.29016 | 9.9429.68 | 10050.2 | 0.01
2020-04-0816 | 60.88 | 46.47215 | 9.3229.68 | 10052.2 | 0.09
2020-04-094 | 39.2-4 | 24.85628 | 17.429.77 | 10080.2 | 0.01
2020-04-105 | 41.0-3 | 26.66320 | 12.4329.97 | 10150.0 | 0.0
2020-04-116 | 42.82 | 35.68115 | 9.3229.85 | 10113.0 | 0.12
2020-04-125 | 41.05 | 41.09520 | 12.4329.65 | 100418.7 | 0.74
2020-04-131 | 33.8-3 | 26.67735 | 21.7529.71 | 100640.7 | 1.6
2020-04-141 | 33.8-8 | 17.65420 | 12.4330.12 | 10200.7 | 0.03
2020-04-151 | 33.8-10 | 14.05013 | 8.0830.09 | 10190.0 | 0.0
2020-04-162 | 35.6-8 | 17.65514 | 8.730.24 | 10240.0 | 0.0
2020-04-174 | 39.2-4 | 24.8619 | 5.5930.09 | 10190.4 | 0.02
2020-04-187 | 44.61 | 33.87525 | 15.5329.88 | 10120.0 | 0.0
2020-04-199 | 48.23 | 37.47116 | 9.9429.8 | 10091.0 | 0.04
2020-04-209 | 48.23 | 37.47517 | 10.5629.74 | 10071.0 | 0.04
2020-04-214 | 39.2-3 | 26.66322 | 13.6729.88 | 10120.3 | 0.01
2020-04-228 | 46.43 | 37.47816 | 9.9429.88 | 10120.8 | 0.03
2020-04-239 | 48.28 | 46.49513 | 8.0829.62 | 10035.5 | 0.22
2020-04-248 | 46.45 | 41.08811 | 6.8429.8 | 10090.4 | 0.02
2020-04-256 | 42.85 | 41.09223 | 14.2929.88 | 101260.2 | 2.37
2020-04-269 | 48.23 | 37.47117 | 10.5630.12 | 10200.0 | 0.0
2020-04-2710 | 50.06 | 42.88218 | 11.1830.0 | 10163.6 | 0.14
2020-04-2813 | 55.412 | 53.69514 | 8.729.71 | 10068.9 | 0.35
2020-04-2910 | 50.08 | 46.48722 | 13.6729.59 | 10022.6 | 0.1
2020-04-3011 | 51.85 | 41.07526 | 16.1629.83 | 10105.5 | 0.22

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