Mason City, Iowa, United States Climate

Weather: 8°C/46.4°F, Wind SW at 4.12 km/h, 50% Humidity, 0% Chance of rain

United States
(Photo by Joel Drzycimski on Unsplash)
Contents

Mason City Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Mason City has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 8.21ºC (46.78ºF) and it is -4.43% lower than United States’s averages. Mason City typically receives about 38.82 millimeters (1.53 inches) of precipitation and has 40.73 rainy days (11.16% of the time) annually.

CountryUnited States
CityIowa
Longitude-93.2010367
Latitude43.1535728
Attitude/ElevationNonem (0ft)
Local timeThursday 05:54
Annual high temperature11.1ºC (51.98ºF)
Annual low temperature3.61ºC (38.5ºF)
Average annual precip.38.82mm (1.53in)
Warmest monthJuly (25.96ºC / 78.73ºF)
Coldest MonthFebruary (-12.98ºC / 8.64ºF)
Wettest MonthJune (73.87mm / 2.91in)
Driest MonthDecember (16.01mm / 0.63in)
Number of days with rainfall (≥ 1.0 mm)40.73 days (11.16%)
Days with no rain324.27 days (88.84%)
Humidity79.22%

Climate Mason City: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)7.0(44.6)5.0(41.0)19.0(66.2)27.0(80.6)34.0(93.2)32.0(89.6)32.0(89.6)31.0(87.8)33.0(91.4)27.0(80.6)20.0(68.0)10.0(50.0)34.0(93.2)
Average high °C (°F)-6.1(21.02)-6.42(20.44)3.86(38.95)10.12(50.22)19.62(67.32)25.09(77.16)25.96(78.73)24.49(76.08)22.09(71.76)11.55(52.79)3.96(39.13)-0.98(30.24)11.1(51.98)
Daily mean °C (°F)-8.52(16.66)-8.73(16.29)1.05(33.89)6.88(44.38)16.48(61.66)22.01(71.62)23.05(73.49)21.37(70.47)18.52(65.34)8.31(46.96)1.41(34.54)-3.28(26.1)8.21(46.78)
Average low °C (°F)-12.41(9.66)-12.98(8.64)-2.95(26.69)1.82(35.28)11.1(51.98)16.68(62.02)17.78(64.0)15.87(60.57)13.14(55.65)3.92(39.06)-2.12(28.18)-6.54(20.23)3.61(38.5)
Record low °C (°F)-36.0(-32.8)-29.0(-20.2)-24.0(-11.2)-13.0(8.6)-1.0(30.2)8.0(46.4)11.0(51.8)9.0(48.2)3.0(37.4)-9.0(15.8)-15.0(5.0)-20.0(-4.0)-36.0(-32.8)
Average precipitation mm (inches)18.08(0.71)22.25(0.88)29.66(1.17)46.21(1.82)68.54(2.7)73.87(2.91)48.41(1.91)36.64(1.44)42.65(1.68)37.07(1.46)26.4(1.04)16.01(0.63)38.82(1.53)
Average precipitation days (≥ 1.0 mm)2.452.822.643.555.05.274.824.553.182.912.091.453.39
Average relative humidity (%)84.8587.5378.7572.7673.2879.6286.6585.1778.1968.9973.4681.3479.22
Mean monthly sunshine hours6.997.78.879.3811.8212.9313.310.4910.198.966.966.479.5

Climate Graph

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

Mason City

Mason City Temperature by Month

July
23.05°C | 73.49°F
June
22.01°C | 71.62°F
August
21.37°C | 70.47°F
September
18.52°C | 65.34°F
May
16.48°C | 61.66°F
October
8.31°C | 46.96°F
April
6.88°C | 44.38°F
November
1.41°C | 34.54°F
March
1.05°C | 33.89°F
December
-3.28°C | 26.1°F
January
-8.52°C | 16.66°F
February
-8.73°C | 16.29°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature27.0°C (80.6°F)17.0°C (62.6°F)6.0°C (42.8°F)
Avg Temperature23.0°C (73.4°F)14.16°C (57.49°F)5.0°C (41.0°F)
Min Temperature19.0°C (66.2°F)9.71°C (49.48°F)-1.0°C (30.2°F)
Dew PointMaxAverageMin
Dew Point18.0°C (64.4°F)8.48°C (47.26°F)-6.0°C (21.2°F)
PrecipitationMaxAverageMinSum
Precipitation57.2mm | 2.25in6.18mm | 0.24in0.0mm | 0in191.7mm | 7.55in
Snowdepth0.3mm | 0.01in0.01mm | 0.0in0.0mm | 0in0.3mm | 0.01in
WindMaxAverageMin
Wind26.0kmh | 16.16mph15.42kmh | 9.58mph7.0kmh | 4.35mph
Gust Wind35.0kmh | 21.75mph22.29kmh | 13.85mph11.0kmh | 6.84mph
Sea Level PressureMaxAverageMin
Sea Level Pressure57.2mb6.18mb0.0mb
Mason City

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
May° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-05-0114 | 57.28 | 46.47021 | 13.0529.83 | 10101.1 | 0.04
2020-05-0217 | 62.68 | 46.46117 | 10.5629.85 | 10110.2 | 0.01
2020-05-0316 | 60.87 | 44.65914 | 8.729.97 | 10150.0 | 0.0
2020-05-0410 | 50.06 | 42.87418 | 11.1830.0 | 10165.1 | 0.2
2020-05-055 | 41.05 | 41.09113 | 8.0829.97 | 101522.7 | 0.89
2020-05-0611 | 51.84 | 39.27110 | 6.2130.12 | 10200.5 | 0.02
2020-05-0712 | 53.65 | 41.06711 | 6.8430.06 | 10182.3 | 0.09
2020-05-085 | 41.0-6 | 21.24521 | 13.0530.18 | 10220.0 | 0.0
2020-05-099 | 48.2-1 | 30.25614 | 8.730.15 | 10211.2 | 0.05
2020-05-107 | 44.61 | 33.86726 | 16.1630.09 | 10194.2 | 0.17
2020-05-117 | 44.6-3 | 26.65716 | 9.9430.27 | 10250.0 | 0.0
2020-05-129 | 48.2-3 | 26.6497 | 4.3530.24 | 10240.0 | 0.0
2020-05-139 | 48.25 | 41.08023 | 14.2930.03 | 10174.4 | 0.17
2020-05-1418 | 64.413 | 55.48214 | 8.729.74 | 10073.7 | 0.15
2020-05-1515 | 59.09 | 48.27216 | 9.9429.91 | 10130.5 | 0.02
2020-05-1616 | 60.810 | 50.07913 | 8.0829.97 | 10152.1 | 0.08
2020-05-1715 | 59.012 | 53.68512 | 7.4629.94 | 101457.2 | 2.25
2020-05-1812 | 53.69 | 48.28825 | 15.5329.94 | 10142.0 | 0.08
2020-05-1915 | 59.011 | 51.88417 | 10.5630.03 | 10170.0 | 0.0
2020-05-2015 | 59.012 | 53.68618 | 11.1830.06 | 10180.2 | 0.01
2020-05-2116 | 60.813 | 55.48316 | 9.9430.03 | 10170.8 | 0.03
2020-05-2218 | 64.413 | 55.47915 | 9.3229.91 | 10130.8 | 0.03
2020-05-2319 | 66.216 | 60.88515 | 9.3229.8 | 100911.7 | 0.46
2020-05-2422 | 71.617 | 62.68216 | 9.9429.77 | 10088.4 | 0.33
2020-05-2523 | 73.418 | 64.48211 | 6.8429.83 | 101043.6 | 1.72
2020-05-2620 | 68.018 | 64.48813 | 8.0829.83 | 10109.7 | 0.38
2020-05-2720 | 68.018 | 64.4898 | 4.9729.85 | 10119.0 | 0.35
2020-05-2821 | 69.814 | 57.27117 | 10.5629.94 | 10140.3 | 0.01
2020-05-2914 | 57.29 | 48.27118 | 11.1830.15 | 10210.0 | 0.0
2020-05-3015 | 59.08 | 46.46812 | 7.4630.24 | 10240.0 | 0.0
2020-05-3114 | 57.27 | 44.67011 | 6.8430.24 | 10240.0 | 0.0

Mason City 3 Year Historical Weather Data

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