Decatur, Indiana, United States Climate

Weather: 17.27°C/63.09°F, Wind SW at 2.21 km/h, 83% Humidity, 0% Chance of rain

United States
(Photo by Andrew Seaman on Unsplash)
Contents

Decatur Climate Summary

Located at an elevation of 244.81 meters (803.18 feet) above sea level, Decatur has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 11.49ºC (52.68ºF) and it is -1.15% lower than United States’s averages. Decatur typically receives about 33.33 millimeters (1.31 inches) of precipitation and has 47.28 rainy days (12.95% of the time) annually.

CountryUnited States
CityIndiana
Longitude-84.9291329
Latitude40.830603
Attitude/Elevation244.81m (803.18ft)
Local timeWednesday 14:21
Annual high temperature14.38ºC (57.88ºF)
Annual low temperature6.78ºC (44.2ºF)
Average annual precip.33.33mm (1.31in)
Warmest monthJuly (27.54ºC / 81.57ºF)
Coldest MonthJanuary (-5.91ºC / 21.36ºF)
Wettest MonthMay (53.48mm / 2.11in)
Driest MonthOctober (18.7mm / 0.74in)
Number of days with rainfall (≥ 1.0 mm)47.28 days (12.95%)
Days with no rain317.72 days (87.05%)
Humidity77.54%

Climate Decatur: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)14.0(57.2)21.0(69.8)20.0(68.0)24.0(75.2)33.0(91.4)33.0(91.4)32.0(89.6)30.0(86.0)31.0(87.8)30.0(86.0)22.0(71.6)17.0(62.6)33.0(91.4)
Average high °C (°F)-0.03(31.95)2.81(37.06)7.34(45.21)12.6(54.68)21.28(70.3)25.42(77.76)27.54(81.57)25.52(77.94)23.22(73.8)15.87(60.57)6.96(44.53)4.08(39.34)14.38(57.88)
Daily mean °C (°F)-2.28(27.9)0.36(32.65)4.28(39.7)9.32(48.78)18.11(64.6)22.39(72.3)24.59(76.26)22.38(72.28)19.84(67.71)12.66(54.79)4.44(39.99)1.78(35.2)11.49(52.68)
Average low °C (°F)-5.91(21.36)-3.51(25.68)-0.17(31.69)4.13(39.43)12.54(54.57)16.52(61.74)18.82(65.88)17.11(62.8)14.76(58.57)7.78(46.0)0.64(33.15)-1.41(29.46)6.78(44.2)
Record low °C (°F)-26.0(-14.8)-18.0(-0.4)-13.0(8.6)-5.0(23.0)-1.0(30.2)9.0(48.2)12.0(53.6)11.0(51.8)4.0(39.2)-1.0(30.2)-15.0(5.0)-11.0(12.2)-26.0(-14.8)
Average precipitation mm (inches)24.11(0.95)25.88(1.02)31.3(1.23)41.86(1.65)53.48(2.11)41.75(1.64)42.68(1.68)42.88(1.69)30.7(1.21)18.7(0.74)23.1(0.91)23.49(0.92)33.33(1.31)
Average precipitation days (≥ 1.0 mm)3.093.733.734.185.454.914.555.183.643.552.362.913.94
Average relative humidity (%)81.1277.9870.1172.3475.9277.4380.3384.4482.0772.9576.6279.1277.54
Mean monthly sunshine hours6.087.748.89.1610.4713.313.4310.5610.349.127.857.319.51

Climate Graph

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

Decatur

Decatur Temperature by Month

July
24.59°C | 76.26°F
June
22.39°C | 72.3°F
August
22.38°C | 72.28°F
September
19.84°C | 67.71°F
May
18.11°C | 64.6°F
October
12.66°C | 54.79°F
April
9.32°C | 48.78°F
November
4.44°C | 39.99°F
March
4.28°C | 39.7°F
December
1.78°C | 35.2°F
February
0.36°C | 32.65°F
January
-2.28°C | 27.9°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature30.0°C (86.0°F)26.65°C (79.97°F)22.0°C (71.6°F)
Avg Temperature27.0°C (80.6°F)23.77°C (74.79°F)19.0°C (66.2°F)
Min Temperature23.0°C (73.4°F)18.48°C (65.26°F)12.0°C (53.6°F)
Dew PointMaxAverageMin
Dew Point23.0°C (73.4°F)19.45°C (67.01°F)13.0°C (55.4°F)
PrecipitationMaxAverageMinSum
Precipitation20.7mm | 0.81in6.01mm | 0.24in0.0mm | 0in186.4mm | 7.34in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind19.0kmh | 11.81mph11.06kmh | 6.87mph5.0kmh | 3.11mph
Gust Wind30.0kmh | 18.64mph17.97kmh | 11.17mph9.0kmh | 5.59mph
Sea Level PressureMaxAverageMin
Sea Level Pressure20.7mb6.01mb0.0mb
Decatur

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
August° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-08-0122 | 71.618 | 64.4857 | 4.3529.94 | 101410.9 | 0.43
2018-08-0224 | 75.218 | 64.48211 | 6.8430.0 | 10161.6 | 0.06
2018-08-0324 | 75.219 | 66.2819 | 5.5930.03 | 10170.3 | 0.01
2018-08-0427 | 80.621 | 69.8837 | 4.3530.09 | 10195.2 | 0.2
2018-08-0527 | 80.622 | 71.68114 | 8.730.12 | 10201.1 | 0.04
2018-08-0626 | 78.822 | 71.68711 | 6.8430.03 | 101710.2 | 0.4
2018-08-0725 | 77.022 | 71.68910 | 6.2129.94 | 101410.4 | 0.41
2018-08-0824 | 75.221 | 69.88810 | 6.2129.88 | 101215.8 | 0.62
2018-08-0925 | 77.020 | 68.08511 | 6.8429.91 | 10135.2 | 0.2
2018-08-1025 | 77.021 | 69.8898 | 4.9729.91 | 10139.7 | 0.38
2018-08-1123 | 73.418 | 64.4849 | 5.5929.94 | 10140.7 | 0.03
2018-08-1224 | 75.218 | 64.4827 | 4.3530.06 | 10188.3 | 0.33
2018-08-1324 | 75.218 | 64.4815 | 3.1130.06 | 10180.8 | 0.03
2018-08-1425 | 77.019 | 66.2828 | 4.9729.97 | 10150.4 | 0.02
2018-08-1523 | 73.420 | 68.08811 | 6.8429.97 | 10154.4 | 0.17
2018-08-1623 | 73.421 | 69.89413 | 8.0829.94 | 101411.5 | 0.45
2018-08-1724 | 75.221 | 69.8897 | 4.3529.94 | 10146.8 | 0.27
2018-08-1824 | 75.220 | 68.0868 | 4.9729.94 | 10143.6 | 0.14
2018-08-1923 | 73.418 | 64.4849 | 5.5929.97 | 10150.1 | 0.0
2018-08-2022 | 71.619 | 66.29113 | 8.0829.91 | 101316.4 | 0.65
2018-08-2122 | 71.620 | 68.09315 | 9.3229.8 | 100910.0 | 0.39
2018-08-2219 | 66.214 | 57.28114 | 8.730.03 | 10170.3 | 0.01
2018-08-2320 | 68.013 | 55.4738 | 4.9730.12 | 10200.0 | 0.0
2018-08-2420 | 68.015 | 59.07814 | 8.730.06 | 10180.1 | 0.0
2018-08-2523 | 73.420 | 68.08719 | 11.8130.0 | 101620.7 | 0.81
2018-08-2627 | 80.623 | 73.49014 | 8.730.03 | 10179.0 | 0.35
2018-08-2727 | 80.623 | 73.48619 | 11.8130.0 | 101615.8 | 0.62
2018-08-2827 | 80.623 | 73.48119 | 11.8129.97 | 10150.1 | 0.0
2018-08-2925 | 77.021 | 69.88715 | 9.3229.97 | 10156.8 | 0.27
2018-08-3019 | 66.216 | 60.88810 | 6.2130.15 | 10210.1 | 0.0
2018-08-3124 | 75.219 | 66.2858 | 4.9730.09 | 10190.1 | 0.0

Decatur 3 Year Historical Weather Data

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