Weather Averages Swinney Switch, TX

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Weather Averages for
Swinney Switch, TX



Latitude: 27°46'N, Longitude: 97°30'W, Elevation: 13.4 m, Distance: 15.93 km

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 48 years
°C 22 13 15 18 22 25 27 28 29 27 23 18 15
Average high temperature
over 48 years
°C 27 18 20 23 27 30 32 33 33 32 28 23 20
Average low temperature
over 48 years
°C 17 7 9 13 17 21 23 23 23 22 17 12 9
Highest recorded temperature
over 48 years
°C 39 32 36 38 38 39 38 38 39 39 36 36 32
Lowest recorded temperature
over 48 years
°C -10 -10 -7 -4 0 8 14 17 17 12 -2 -2 -10
Average number of rainy days
over 54 years
days 77 8 7 5 5 7 6 5 6 9 6 6 7
Average number of days above 27°C
over 48 years
days 106 - - 1 2 5 20 28 28 17 5 - -
Average precipitation
over 48 years
cm 77.2 4.1 4.8 3.0 5.1 8.1 8.1 4.8 8.1 13.7 8.6 4.1 4.3
Average dew point
over 48 years
°C 16 8 10 13 17 21 22 23 23 21 17 13 10
Most recorded rainfall
over 48 years
cm 122.2 27.4 20.6 12.4 20.3 23.9 33.8 30.2 37.6 51.6 27.9 13.2 24.9
Least recorded rainfall
over 48 years
cm 37.3 - - - - - - - 0.3 1.3 - - -
Average number of days with thunderstorms
over 48 years
days 27 1 1 1 2 4 3 2 4 5 2 1 1
Average number of days with fog
over 48 years
days 110 16 14 14 12 9 4 2 3 5 7 10 14
Average morning relative humidity
over 48 years
% 89 87 88 87 89 92 92 93 92 90 89 86 86
Average evening relative humidity
over 48 years
% 59 62 60 58 61 64 62 56 56 60 57 58 60
Average wind speed
over 48 years
km/h 20.9 22.5 25.7 27.4 22.5 20.9 19.3 19.3 19.3 17.7 17.7 22.5 22.5
Average number of days below -1.5°C
over 48 years
days 6 3 1 - - - - - - - - - 1
Average number of clear days
over 51 years
days 103 7 7 7 6 6 9 11 11 10 13 9 8
Heating degree days
over 30 years
days 1016 338 213 100 9 - - - - - - 95 261
Cooling degree days
over 30 years
days 3439 31 31 119 234 400 507 592 595 480 281 116 53
Average possibility of sunshine
over 51 years
% 61 44 49 55 56 59 72 80 77 68 68 54 44
Average number of cloudy days
over 51 years
days 142 17 15 16 15 13 7 6 7 8 8 12 17
Average number of partly cloudy days
over 51 years
days 121 7 6 8 9 12 14 14 13 12 10 9 6
Average number of days above 22°C
over 48 years
days 231 3 5 11 20 29 30 31 31 29 25 12 5
Average number of days below 4.5°C
over 48 years
days 49 15 10 5 1 - - - - - - 6 12