Dem, Viana Do Castelo, Portugal Climate

Weather: 9.13°C/48.43°F, Wind SW at 1.9 km/h, 93% Humidity, 0.75% Chance of rain

Portugal
(Photo by Raphael Lovaski on Unsplash)
Contents

Dem Climate Summary

Located at an elevation of 262.75 meters (862.04 feet) above sea level, Dem has a Mediterranean, warm summer climate (Classification: Csb). The district’s yearly temperature is 16.47ºC (61.65ºF) and it is -0.34% lower than Portugal’s averages. Dem typically receives about 161.22 millimeters (6.35 inches) of precipitation and has 135.31 rainy days (37.07% of the time) annually.

CountryPortugal
CityViana do Castelo
Longitude-8.770844
Latitude41.8404469
Attitude/Elevation262.75m (862.04ft)
Local timeSaturday 12:16
Annual high temperature18.63ºC (65.53ºF)
Annual low temperature12.91ºC (55.24ºF)
Average annual precip.161.22mm (6.35in)
Warmest monthAugust (24.09ºC / 75.36ºF)
Coldest MonthFebruary (8.89ºC / 48.0ºF)
Wettest MonthOctober (277.56mm / 10.93in)
Driest MonthJuly (24.67mm / 0.97in)
Number of days with rainfall (≥ 1.0 mm)135.31 days (37.07%)
Days with no rain229.69 days (62.93%)
Humidity80.14%

Climate Dem: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)18.66(65.59)20.73(69.31)22.8(73.04)26.95(80.51)30.06(86.11)30.06(86.11)33.17(91.71)32.13(89.83)31.09(87.96)30.06(86.11)22.8(73.04)19.69(67.44)33.17(91.71)
Average high °C (°F)13.6(56.48)13.81(56.86)15.45(59.81)17.11(62.8)19.54(67.17)21.43(70.57)23.91(75.04)24.09(75.36)23.46(74.23)20.49(68.88)16.25(61.25)14.4(57.92)18.63(65.53)
Daily mean °C (°F)11.58(52.84)11.61(52.9)13.12(55.62)14.99(58.98)17.51(63.52)19.6(67.28)21.79(71.22)21.79(71.22)20.89(69.6)18.14(64.65)14.27(57.69)12.41(54.34)16.47(61.65)
Average low °C (°F)9.29(48.72)8.89(48.0)9.67(49.41)11.08(51.94)13.11(55.6)14.93(58.87)16.92(62.46)17.12(62.82)16.79(62.22)15.2(59.36)11.88(53.38)10.14(50.25)12.91(55.24)
Record low °C (°F)2.07(35.73)1.04(33.87)1.04(33.87)4.15(39.47)7.26(45.07)8.29(46.92)12.44(54.39)0.0(0)10.37(50.67)6.22(43.2)3.11(37.6)2.07(35.73)0.0(0)
Average precipitation mm (inches)276.25(10.88)218.92(8.62)184.34(7.26)163.2(6.43)131.68(5.18)57.39(2.26)24.67(0.97)35.98(1.42)85.04(3.35)277.56(10.93)241.63(9.51)237.94(9.37)161.22(6.35)
Average precipitation days (≥ 1.0 mm)15.9213.4714.7913.019.998.294.154.97.2612.5316.414.611.28
Average relative humidity (%)83.3681.2680.3280.5679.0379.9579.1878.2776.9778.8682.0181.9780.14
Mean monthly sunshine hours6.929.0410.2712.113.8414.0514.4413.7311.348.837.237.0410.74

Climate Graph

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

Dem

Dem Temperature by Month

July
21.79°C | 71.22°F
August
21.79°C | 71.22°F
September
20.89°C | 69.6°F
June
19.6°C | 67.28°F
October
18.14°C | 64.65°F
May
17.51°C | 63.52°F
April
14.99°C | 58.98°F
November
14.27°C | 57.69°F
March
13.12°C | 55.62°F
December
12.41°C | 54.34°F
February
11.61°C | 52.9°F
January
11.58°C | 52.84°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature16.58°C (61.84°F)12.91°C (55.24°F)10.37°C (50.67°F)
Avg Temperature14.51°C (58.12°F)11.57°C (52.83°F)8.29°C (46.92°F)
Min Temperature14.51°C (58.12°F)10.07°C (50.13°F)6.22°C (43.2°F)
Dew PointMaxAverageMin
Dew Point13.47°C (56.25°F)7.79°C (46.02°F)3.11°C (37.6°F)
PrecipitationMaxAverageMinSum
Precipitation12.85mm | 0.51in1.76mm | 0.07in0.0mm | 0in54.42mm | 2.14in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind30.06kmh | 18.68mph16.48kmh | 10.24mph4.15kmh | 2.58mph
Gust Wind43.53kmh | 27.05mph26.15kmh | 16.25mph7.26kmh | 4.51mph
Sea Level PressureMaxAverageMin
Sea Level Pressure12.85mb1.76mb0.0mb
Dem

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
January° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-01-0113.47 | 56.2510.37 | 50.678520.73 | 12.8831.59 | 1069.671.04 | 0.04
2018-01-0214.51 | 58.1212.44 | 54.399422.8 | 14.1731.59 | 1069.675.6 | 0.22
2018-01-0314.51 | 58.1213.47 | 56.259617.62 | 10.9531.59 | 1069.671.04 | 0.04
2018-01-0414.51 | 58.1212.44 | 54.399121.77 | 13.5331.4 | 1063.450.93 | 0.04
2018-01-0511.4 | 52.528.29 | 46.928023.84 | 14.8130.98 | 1048.945.29 | 0.21
2018-01-068.29 | 46.923.11 | 37.67014.51 | 9.0230.82 | 1043.760.1 | 0.0
2018-01-079.33 | 48.794.15 | 39.477430.06 | 18.6830.82 | 1043.760.0 | 0
2018-01-089.33 | 48.794.15 | 39.477112.44 | 7.7330.98 | 1048.940.0 | 0
2018-01-0910.37 | 50.677.26 | 45.078325.91 | 16.131.01 | 1049.975.39 | 0.21
2018-01-1011.4 | 52.528.29 | 46.927922.8 | 14.1731.19 | 1056.195.18 | 0.2
2018-01-1111.4 | 52.526.22 | 43.27219.69 | 12.2331.43 | 1064.490.83 | 0.03
2018-01-1210.37 | 50.675.18 | 41.327421.77 | 13.5331.34 | 1061.380.21 | 0.01
2018-01-1311.4 | 52.527.26 | 45.078118.66 | 11.5931.13 | 1054.1210.37 | 0.41
2018-01-149.33 | 48.795.18 | 41.32768.29 | 5.1531.25 | 1058.272.38 | 0.09
2018-01-159.33 | 48.794.15 | 39.477411.4 | 7.0831.46 | 1065.520.93 | 0.04
2018-01-1612.44 | 54.3911.4 | 52.52968.29 | 5.1531.5 | 1066.560.52 | 0.02
2018-01-1711.4 | 52.528.29 | 46.928220.73 | 12.8831.53 | 1067.60.21 | 0.01
2018-01-1811.4 | 52.527.26 | 45.077716.58 | 10.331.4 | 1063.450.0 | 0
2018-01-1912.44 | 54.399.33 | 48.798317.62 | 10.9531.4 | 1063.450.0 | 0
2018-01-2011.4 | 52.528.29 | 46.92849.33 | 5.831.53 | 1067.60.0 | 0
2018-01-2112.44 | 54.3911.4 | 52.52949.33 | 5.831.59 | 1069.670.0 | 0
2018-01-2213.47 | 56.2511.4 | 52.52907.26 | 4.5131.56 | 1068.630.1 | 0.0
2018-01-2312.44 | 54.3910.37 | 50.67864.15 | 2.5831.53 | 1067.60.0 | 0
2018-01-2411.4 | 52.528.29 | 46.928319.69 | 12.2331.4 | 1063.451.04 | 0.04
2018-01-2510.37 | 50.678.29 | 46.928120.73 | 12.8831.28 | 1059.312.85 | 0.51
2018-01-2610.37 | 50.675.18 | 41.327422.8 | 14.1731.53 | 1067.60.41 | 0.02
2018-01-2710.37 | 50.676.22 | 43.27818.66 | 11.5931.68 | 1072.780.0 | 0
2018-01-2812.44 | 54.396.22 | 43.27311.4 | 7.0831.68 | 1072.780.0 | 0
2018-01-2913.47 | 56.256.22 | 43.26712.44 | 7.7331.65 | 1071.740.0 | 0
2018-01-3012.44 | 54.395.18 | 41.32639.33 | 5.831.5 | 1066.560.0 | 0
2018-01-3111.4 | 52.526.22 | 43.26810.37 | 6.4431.34 | 1061.380.0 | 0

Dem 11 Year Historical Weather Data

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