Castine, Maine, United States Climate

Weather: 7.08°C/44.74°F, Wind SW at 2.24 km/h, 97% Humidity, 1.78% Chance of rain

United States
(Photo by Carl Newton on Unsplash)

Castine Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Castine has a Humid continental, no dry season, warm summer climate (Classification: Dfb). The district’s yearly temperature is 8.74ºC (47.73ºF) and it is -3.9% lower than United States’s averages. Castine typically receives about 30.55 millimeters (1.2 inches) of precipitation and has 38.18 rainy days (10.46% of the time) annually.

CountryUnited States
CityMaine
Longitude-68.7989582
Latitude44.3888609
Attitude/ElevationNonem (0ft)
Local timeFriday 03:15
Annual high temperature11.48ºC (52.66ºF)
Annual low temperature3.28ºC (37.9ºF)
Average annual precip.30.55mm (1.2in)
Warmest monthJuly (25.28ºC / 77.5ºF)
Coldest MonthJanuary (-8.72ºC / 16.3ºF)
Wettest MonthDecember (45.62mm / 1.8in)
Driest MonthSeptember (16.82mm / 0.66in)
Number of days with rainfall (≥ 1.0 mm)38.18 days (10.46%)
Days with no rain326.82 days (89.54%)
Humidity76.02%

Climate Castine: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)12.0(53.6)13.0(55.4)14.0(57.2)18.0(64.4)29.0(84.2)30.0(86.0)34.0(93.2)33.0(91.4)29.0(84.2)25.0(77.0)18.0(64.4)14.0(57.2)34.0(93.2)
Average high °C (°F)-1.71(28.92)0.36(32.65)3.37(38.07)8.82(47.88)16.09(60.96)21.03(69.85)25.28(77.5)24.34(75.81)20.32(68.58)12.82(55.08)5.67(42.21)1.38(34.48)11.48(52.66)
Daily mean °C (°F)-3.94(24.91)-2.14(28.15)0.94(33.69)6.23(43.21)12.86(55.15)17.98(64.36)22.13(71.83)21.1(69.98)17.0(62.6)10.11(50.2)3.24(37.83)-0.63(30.87)8.74(47.73)
Average low °C (°F)-8.72(16.3)-6.81(19.74)-4.02(24.76)0.9(33.62)6.05(42.89)10.92(51.66)15.42(59.76)14.87(58.77)10.84(51.51)5.26(41.47)-0.83(30.51)-4.54(23.83)3.28(37.9)
Record low °C (°F)-22.0(-7.6)-18.0(-0.4)-16.0(3.2)-6.0(21.2)-1.0(30.2)4.0(39.2)11.0(51.8)9.0(48.2)3.0(37.4)-3.0(26.6)-15.0(5.0)-13.0(8.6)-22.0(-7.6)
Average precipitation mm (inches)41.46(1.63)26.86(1.06)26.24(1.03)38.65(1.52)28.75(1.13)23.67(0.93)17.44(0.69)28.13(1.11)16.82(0.66)38.89(1.53)34.08(1.34)45.62(1.8)30.55(1.2)
Average precipitation days (≥ 1.0 mm)3.183.453.184.093.553.273.03.271.823.183.552.643.18
Average relative humidity (%)77.0575.9478.1574.2774.2974.9277.3377.6674.977.1577.9772.5576.02
Mean monthly sunshine hours6.357.888.5610.6612.3813.2113.1812.7610.677.436.226.349.64

Climate Graph

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

Castine

Castine Temperature by Month

July
22.13°C | 71.83°F
August
21.1°C | 69.98°F
June
17.98°C | 64.36°F
September
17.0°C | 62.6°F
May
12.86°C | 55.15°F
October
10.11°C | 50.2°F
April
6.23°C | 43.21°F
November
3.24°C | 37.83°F
March
0.94°C | 33.69°F
December
-0.63°C | 30.87°F
February
-2.14°C | 28.15°F
January
-3.94°C | 24.91°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)23.29°C (73.92°F)15.0°C (59.0°F)
Avg Temperature26.0°C (78.8°F)20.42°C (68.76°F)15.0°C (59.0°F)
Min Temperature20.0°C (68.0°F)15.03°C (59.05°F)10.0°C (50.0°F)
Dew PointMaxAverageMin
Dew Point20.0°C (68.0°F)14.26°C (57.67°F)5.0°C (41.0°F)
PrecipitationMaxAverageMinSum
Precipitation35.2mm | 1.39in3.24mm | 0.13in0.0mm | 0in100.5mm | 3.96in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind22.0kmh | 13.67mph10.13kmh | 6.29mph5.0kmh | 3.11mph
Gust Wind35.0kmh | 21.75mph16.45kmh | 10.22mph9.0kmh | 5.59mph
Sea Level PressureMaxAverageMin
Sea Level Pressure35.2mb3.24mb0.0mb
Castine

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
August° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-08-0123 | 73.416 | 60.8747 | 4.3529.88 | 10120.0 | 0.0
2020-08-0223 | 73.417 | 62.67811 | 6.8430.0 | 10160.0 | 0.0
2020-08-0326 | 78.819 | 66.27615 | 9.3229.91 | 10131.5 | 0.06
2020-08-0421 | 69.816 | 60.8779 | 5.5930.03 | 10170.8 | 0.03
2020-08-0525 | 77.019 | 66.27921 | 13.0529.88 | 101213.7 | 0.54
2020-08-0622 | 71.613 | 55.46310 | 6.2130.03 | 10170.0 | 0.0
2020-08-0721 | 69.813 | 55.4696 | 3.7330.18 | 10220.0 | 0.0
2020-08-0819 | 66.215 | 59.0847 | 4.3530.15 | 10210.0 | 0.0
2020-08-0922 | 71.616 | 60.8788 | 4.9730.06 | 10180.7 | 0.03
2020-08-1022 | 71.619 | 66.2896 | 3.7329.94 | 10142.0 | 0.08
2020-08-1125 | 77.019 | 66.2809 | 5.5929.91 | 10132.5 | 0.1
2020-08-1225 | 77.020 | 68.08510 | 6.2129.94 | 101410.2 | 0.4
2020-08-1325 | 77.014 | 57.2607 | 4.3530.06 | 10180.0 | 0.0
2020-08-1422 | 71.615 | 59.0679 | 5.5930.09 | 10190.0 | 0.0
2020-08-1520 | 68.014 | 57.27710 | 6.2130.12 | 10200.0 | 0.0
2020-08-1618 | 64.415 | 59.0888 | 4.9730.06 | 10181.4 | 0.06
2020-08-1719 | 66.213 | 55.4818 | 4.9729.94 | 10140.0 | 0.0
2020-08-1819 | 66.215 | 59.0898 | 4.9729.8 | 10095.5 | 0.22
2020-08-1919 | 66.211 | 51.87014 | 8.729.83 | 10100.0 | 0.0
2020-08-2018 | 64.410 | 50.06710 | 6.2129.97 | 10150.0 | 0.0
2020-08-2119 | 66.214 | 57.2836 | 3.7329.91 | 10135.0 | 0.2
2020-08-2221 | 69.816 | 60.8835 | 3.1129.88 | 10122.0 | 0.08
2020-08-2320 | 68.016 | 60.8877 | 4.3529.97 | 10155.0 | 0.2
2020-08-2420 | 68.017 | 62.6887 | 4.3529.94 | 10141.6 | 0.06
2020-08-2522 | 71.618 | 64.48411 | 6.8429.71 | 100611.9 | 0.47
2020-08-2615 | 59.05 | 41.05322 | 13.6729.71 | 10060.0 | 0.0
2020-08-2716 | 60.85 | 41.05516 | 9.9429.71 | 10060.0 | 0.0
2020-08-2817 | 62.610 | 50.0715 | 3.1129.74 | 10070.0 | 0.0
2020-08-2915 | 59.013 | 55.49610 | 6.2129.65 | 100435.2 | 1.39
2020-08-3018 | 64.412 | 53.67318 | 11.1829.5 | 9991.5 | 0.06
2020-08-3116 | 60.87 | 44.66014 | 8.729.97 | 10150.0 | 0.0

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