Denison, Iowa, United States Climate

Weather: 10.12°C/50.22°F, Wind SW at 0 km/h, 53% Humidity, 0% Chance of rain

United States
(Photo by Austin Goode on Unsplash)
Contents

Denison Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Denison has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 9.95ºC (49.91ºF) and it is -2.69% lower than United States’s averages. Denison typically receives about 30.44 millimeters (1.2 inches) of precipitation and has 35.16 rainy days (9.63% of the time) annually.

CountryUnited States
CityIowa
Longitude-95.3588867
Latitude42.024988
Attitude/ElevationNonem (0ft)
Local timeTuesday 10:09
Annual high temperature13.28ºC (55.9ºF)
Annual low temperature4.93ºC (40.87ºF)
Average annual precip.30.44mm (1.2in)
Warmest monthJuly (27.54ºC / 81.57ºF)
Coldest MonthFebruary (-10.27ºC / 13.51ºF)
Wettest MonthMay (57.8mm / 2.28in)
Driest MonthJanuary (10.65mm / 0.42in)
Number of days with rainfall (≥ 1.0 mm)35.16 days (9.63%)
Days with no rain329.84000000000003 days (90.37%)
Humidity75.42%

Climate Denison: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)9.0(48.2)12.0(53.6)21.0(69.8)26.0(78.8)35.0(95.0)34.0(93.2)32.0(89.6)32.0(89.6)37.0(98.6)30.0(86.0)21.0(69.8)13.0(55.4)37.0(98.6)
Average high °C (°F)-3.15(26.33)-3.4(25.88)6.78(44.2)12.72(54.9)20.63(69.13)26.62(79.92)27.54(81.57)26.19(79.14)24.17(75.51)13.43(56.17)6.48(43.66)1.29(34.32)13.28(55.9)
Daily mean °C (°F)-5.9(21.38)-6.18(20.88)3.48(38.26)9.03(48.25)17.32(63.18)23.38(74.08)24.22(75.6)22.55(72.59)20.17(68.31)9.63(49.33)3.23(37.81)-1.51(29.28)9.95(49.91)
Average low °C (°F)-9.81(14.34)-10.27(13.51)-1.04(30.13)3.27(37.89)11.78(53.2)17.6(63.68)18.45(65.21)16.48(61.66)14.23(57.61)4.58(40.24)-1.03(30.15)-5.04(22.93)4.93(40.87)
Record low °C (°F)-30.0(-22.0)-23.0(-9.4)-22.0(-7.6)-12.0(10.4)1.0(33.8)9.0(48.2)11.0(51.8)9.0(48.2)0.0(0)-10.0(14.0)-18.0(-0.4)-15.0(5.0)-30.0(-22.0)
Average precipitation mm (inches)10.65(0.42)13.69(0.54)30.16(1.19)27.25(1.07)57.8(2.28)48.74(1.92)29.74(1.17)37.75(1.49)50.18(1.98)25.53(1.01)17.78(0.7)16.06(0.63)30.44(1.2)
Average precipitation days (≥ 1.0 mm)1.822.272.273.095.184.364.03.093.362.362.271.092.93
Average relative humidity (%)78.9980.6775.0567.2374.2477.8682.9581.1474.1365.0868.9278.7475.42
Mean monthly sunshine hours7.788.168.839.5811.1214.0912.4910.5910.539.397.76.979.77

Climate Graph

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

Denison

Denison Temperature by Month

July
24.22°C | 75.6°F
June
23.38°C | 74.08°F
August
22.55°C | 72.59°F
September
20.17°C | 68.31°F
May
17.32°C | 63.18°F
October
9.63°C | 49.33°F
April
9.03°C | 48.25°F
March
3.48°C | 38.26°F
November
3.23°C | 37.81°F
December
-1.51°C | 29.28°F
January
-5.9°C | 21.38°F
February
-6.18°C | 20.88°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature25.0°C (77.0°F)15.13°C (59.23°F)2.0°C (35.6°F)
Avg Temperature21.0°C (69.8°F)11.33°C (52.39°F)1.0°C (33.8°F)
Min Temperature14.0°C (57.2°F)5.43°C (41.77°F)-2.0°C (28.4°F)
Dew PointMaxAverageMin
Dew Point12.0°C (53.6°F)4.03°C (39.25°F)-5.0°C (23.0°F)
PrecipitationMaxAverageMinSum
Precipitation21.6mm | 0.85in4.21mm | 0.17in0.0mm | 0in126.4mm | 4.98in
Snowdepth2.3mm | 0.09in0.08mm | 0.0in0.0mm | 0in2.4mm | 0.09in
WindMaxAverageMin
Wind39.0kmh | 24.23mph18.77kmh | 11.66mph9.0kmh | 5.59mph
Gust Wind57.0kmh | 35.42mph28.03kmh | 17.42mph13.0kmh | 8.08mph
Sea Level PressureMaxAverageMin
Sea Level Pressure21.6mb4.21mb0.0mb
Denison

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
April° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-04-018 | 46.4-2 | 28.45817 | 10.5630.12 | 10200.0 | 0.0
2019-04-025 | 41.0-1 | 30.27214 | 8.730.09 | 10195.7 | 0.22
2019-04-037 | 44.61 | 33.87215 | 9.3230.18 | 10227.4 | 0.29
2019-04-046 | 42.85 | 41.09219 | 11.8130.12 | 102021.6 | 0.85
2019-04-0512 | 53.69 | 48.28813 | 8.0830.0 | 10160.2 | 0.01
2019-04-0617 | 62.611 | 51.87622 | 13.6729.88 | 10124.8 | 0.19
2019-04-0716 | 60.811 | 51.87716 | 9.9429.83 | 10100.4 | 0.02
2019-04-0818 | 64.47 | 44.65717 | 10.5629.88 | 10120.0 | 0.0
2019-04-0915 | 59.04 | 39.25412 | 7.4629.94 | 10140.0 | 0.0
2019-04-106 | 42.84 | 39.28336 | 22.3729.74 | 10078.6 | 0.34
2019-04-117 | 44.63 | 37.48239 | 24.2329.35 | 99419.2 | 0.76
2019-04-121 | 33.8-5 | 23.07131 | 19.2629.74 | 10070.7 | 0.03
2019-04-135 | 41.0-3 | 26.66517 | 10.5630.12 | 10200.0 | 0.0
2019-04-145 | 41.0-3 | 26.6629 | 5.5929.94 | 10140.0 | 0.0
2019-04-1514 | 57.24 | 39.25918 | 11.1829.8 | 10090.2 | 0.01
2019-04-1617 | 62.68 | 46.46617 | 10.5629.8 | 10091.0 | 0.04
2019-04-1716 | 60.812 | 53.68323 | 14.2929.65 | 100412.1 | 0.48
2019-04-1810 | 50.03 | 37.47021 | 13.0529.88 | 10120.6 | 0.02
2019-04-1912 | 53.61 | 33.85712 | 7.4630.03 | 10170.0 | 0.0
2019-04-2018 | 64.44 | 39.24817 | 10.5629.83 | 10100.0 | 0.0
2019-04-2121 | 69.812 | 53.66222 | 13.6729.71 | 10060.6 | 0.02
2019-04-2213 | 55.411 | 51.88321 | 13.0529.88 | 101210.7 | 0.42
2019-04-2313 | 55.43 | 37.46314 | 8.730.09 | 10190.0 | 0.0
2019-04-2417 | 62.66 | 42.8599 | 5.5929.85 | 10110.0 | 0.0
2019-04-2516 | 60.86 | 42.85620 | 12.4329.85 | 10113.0 | 0.12
2019-04-2611 | 51.8-1 | 30.24514 | 8.730.09 | 10190.3 | 0.01
2019-04-276 | 42.82 | 35.67826 | 16.1629.88 | 101221.3 | 0.84
2019-04-286 | 42.8-0 | 32.07121 | 13.0530.06 | 10180.5 | 0.02
2019-04-2912 | 53.64 | 39.26916 | 9.9430.0 | 10164.9 | 0.19
2019-04-3010 | 50.05 | 41.07815 | 9.3230.09 | 10192.6 | 0.1

Denison 3 Year Historical Weather Data

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