Alton, Rhode Island, United States Climate

Weather: 5.07°C/41.13°F, Wind SW at 1.54 km/h, 79% Humidity, 0% Chance of rain

United States
(Photo by Kawshar Ahmed on Unsplash)
Contents

Alton Climate Summary

Located at an elevation of 21.37 meters (70.11 feet) above sea level, Alton has a Marine west coast, warm summer climate (Classification: Cfb). The district’s yearly temperature is 12.14ºC (53.85ºF) and it is -0.5% lower than United States’s averages. Alton typically receives about 44.38 millimeters (1.75 inches) of precipitation and has 42.45 rainy days (11.63% of the time) annually.

CountryUnited States
CityRhode Island
Longitude-71.7162781
Latitude41.4370028
Attitude/Elevation21.37m (70.11ft)
Local timeSaturday 19:21
Annual high temperature14.24ºC (57.63ºF)
Annual low temperature8.19ºC (46.74ºF)
Average annual precip.44.38mm (1.75in)
Warmest monthJuly (26.69ºC / 80.04ºF)
Coldest MonthJanuary (-2.47ºC / 27.55ºF)
Wettest MonthDecember (58.73mm / 2.31in)
Driest MonthSeptember (29.32mm / 1.15in)
Number of days with rainfall (≥ 1.0 mm)42.45 days (11.63%)
Days with no rain322.55 days (88.37%)
Humidity74.86%

Climate Alton: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)14.0(57.2)14.0(57.2)14.0(57.2)17.0(62.6)26.0(78.8)30.0(86.0)33.0(91.4)31.0(87.8)30.0(86.0)26.0(78.8)19.0(66.2)16.0(60.8)33.0(91.4)
Average high °C (°F)3.01(37.42)4.82(40.68)6.42(43.56)10.64(51.15)16.83(62.29)22.19(71.94)26.69(80.04)26.17(79.11)22.41(72.34)16.24(61.23)10.01(50.02)5.46(41.83)14.24(57.63)
Daily mean °C (°F)1.12(34.02)2.96(37.33)4.4(39.92)8.6(47.48)14.46(58.03)19.87(67.77)24.54(76.17)23.83(74.89)19.97(67.95)14.27(57.69)7.94(46.29)3.75(38.75)12.14(53.85)
Average low °C (°F)-2.47(27.55)-0.8(30.56)0.82(33.48)4.71(40.48)10.04(50.07)15.33(59.59)20.11(68.2)19.67(67.41)15.98(60.76)10.43(50.77)4.26(39.67)0.17(32.31)8.19(46.74)
Record low °C (°F)-17.0(1.4)-16.0(3.2)-11.0(12.2)-2.0(28.4)4.0(39.2)9.0(48.2)15.0(59.0)14.0(57.2)8.0(46.4)0.0(0)-8.0(17.6)-9.0(15.8)-17.0(1.4)
Average precipitation mm (inches)36.6(1.44)46.06(1.81)35.35(1.39)45.71(1.8)38.68(1.52)39.04(1.54)52.84(2.08)47.73(1.88)29.32(1.15)53.87(2.12)48.69(1.92)58.73(2.31)44.38(1.75)
Average precipitation days (≥ 1.0 mm)2.363.643.094.094.273.364.454.642.913.643.092.913.54
Average relative humidity (%)69.2871.8171.7173.8977.4778.0378.5778.5476.8975.8472.5973.7374.86
Mean monthly sunshine hours7.028.589.0210.2112.4813.2613.6312.1710.288.46.76.659.87

Climate Graph

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

Alton

Alton Temperature by Month

July
24.54°C | 76.17°F
August
23.83°C | 74.89°F
September
19.97°C | 67.95°F
June
19.87°C | 67.77°F
May
14.46°C | 58.03°F
October
14.27°C | 57.69°F
April
8.6°C | 47.48°F
November
7.94°C | 46.29°F
March
4.4°C | 39.92°F
December
3.75°C | 38.75°F
February
2.96°C | 37.33°F
January
1.12°C | 34.02°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature29.0°C (84.2°F)25.84°C (78.51°F)22.0°C (71.6°F)
Avg Temperature28.0°C (82.4°F)24.13°C (75.43°F)21.0°C (69.8°F)
Min Temperature25.0°C (77.0°F)20.74°C (69.33°F)17.0°C (62.6°F)
Dew PointMaxAverageMin
Dew Point22.0°C (71.6°F)19.29°C (66.72°F)15.0°C (59.0°F)
PrecipitationMaxAverageMinSum
Precipitation20.2mm | 0.8in3.07mm | 0.12in0.0mm | 0in95.1mm | 3.74in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind25.0kmh | 15.53mph13.9kmh | 8.64mph8.0kmh | 4.97mph
Gust Wind41.0kmh | 25.48mph22.68kmh | 14.09mph12.0kmh | 7.46mph
Sea Level PressureMaxAverageMin
Sea Level Pressure20.2mb3.07mb0.0mb
Alton

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
July° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-07-0121 | 69.819 | 66.2908 | 4.9729.85 | 10116.7 | 0.26
2020-07-0223 | 73.419 | 66.2829 | 5.5929.8 | 10092.0 | 0.08
2020-07-0322 | 71.618 | 64.48014 | 8.729.83 | 10100.1 | 0.0
2020-07-0422 | 71.618 | 64.48214 | 8.729.88 | 10120.0 | 0.0
2020-07-0523 | 73.419 | 66.28212 | 7.4629.91 | 10130.6 | 0.02
2020-07-0625 | 77.017 | 62.67210 | 6.2130.0 | 10160.5 | 0.02
2020-07-0722 | 71.619 | 66.28917 | 10.5630.06 | 101812.3 | 0.48
2020-07-0824 | 75.220 | 68.08817 | 10.5630.0 | 10160.0 | 0.0
2020-07-0924 | 75.221 | 69.88714 | 8.730.0 | 10161.4 | 0.06
2020-07-1022 | 71.621 | 69.89717 | 10.5629.97 | 101520.2 | 0.8
2020-07-1124 | 75.222 | 71.69125 | 15.5329.77 | 100810.3 | 0.41
2020-07-1226 | 78.820 | 68.07723 | 14.2929.71 | 10061.2 | 0.05
2020-07-1324 | 75.219 | 66.27913 | 8.0829.8 | 10091.6 | 0.06
2020-07-1423 | 73.418 | 64.48214 | 8.729.85 | 10114.1 | 0.16
2020-07-1522 | 71.617 | 62.68114 | 8.730.09 | 10191.3 | 0.05
2020-07-1621 | 69.815 | 59.07611 | 6.8430.27 | 10250.0 | 0.0
2020-07-1721 | 69.818 | 64.48616 | 9.9430.15 | 10210.9 | 0.04
2020-07-1826 | 78.821 | 69.8819 | 5.5930.0 | 10160.3 | 0.01
2020-07-1926 | 78.819 | 66.27315 | 9.3229.94 | 10140.0 | 0.0
2020-07-2026 | 78.821 | 69.87720 | 12.4329.85 | 10110.9 | 0.04
2020-07-2125 | 77.017 | 62.66413 | 8.0829.97 | 10150.0 | 0.0
2020-07-2224 | 75.220 | 68.0798 | 4.9730.0 | 10162.6 | 0.1
2020-07-2325 | 77.022 | 71.68512 | 7.4629.97 | 10156.7 | 0.26
2020-07-2424 | 75.221 | 69.89010 | 6.2130.0 | 10169.8 | 0.39
2020-07-2524 | 75.219 | 66.27910 | 6.2130.03 | 10170.0 | 0.0
2020-07-2627 | 80.621 | 69.87718 | 11.1829.97 | 10150.2 | 0.01
2020-07-2727 | 80.618 | 64.46516 | 9.9429.8 | 10090.0 | 0.0
2020-07-2828 | 82.421 | 69.87419 | 11.8129.77 | 10080.8 | 0.03
2020-07-2927 | 80.621 | 69.87711 | 6.8429.83 | 10108.2 | 0.32
2020-07-3026 | 78.819 | 66.27011 | 6.8429.85 | 10110.1 | 0.0
2020-07-3124 | 75.218 | 64.47211 | 6.8429.83 | 10102.3 | 0.09

Alton 3 Year Historical Weather Data

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