Weather Averages Hilo, HI

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Weather Averages for
Hilo, HI



Latitude: 19°46'N, Longitude: 155°33'W, Elevation: 1889.5 m, Distance: 10.72 km

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 12 years
°C 13 11 11 12 12 13 14 15 15 15 14 14 12
Average high temperature
over 12 years
°C 20 19 18 19 19 20 21 22 22 22 21 21 19
Average low temperature
over 12 years
°C 6 4 3 5 6 6 6 8 8 7 7 7 5
Highest recorded temperature
over 12 years
°C 28 25 25 26 25 26 28 28 28 27 26 26 26
Lowest recorded temperature
over 12 years
°C -4 -4 -2 -1 0 0 0 0 1 2 1 0 -2
Average precipitation
over 12 years
cm 36.8 5.1 4.6 5.1 3.6 2.3 1.3 2.5 2.8 2.8 2.8 3.3 4.1
Average dew point
over 10 years
°C 9 7 7 7 9 10 10 11 11 11 11 9 7
Average number of days above 17°C
over 12 years
days 12 4 10 8 12 20 24 27 22 20 18 8 180
Average number of days with thunderstorms
over 12 years
days 30 4 3 3 3 3 2 3 2 2 2 1 2
Average morning relative humidity
over 10 years
% 69.5 72.4 70.4 67.7 71.7 71.7 67.1 68.4 68.1 71.3 70.9 67.1 66.7
Average evening relative humidity
over 10 years
% 62.7 61.1 61.1 61.9 65.2 65.9 63.5 61.8 60.8 65 64.8 60.2 59.4
Average wind speed
over 12 years
km/h 17.7 12.9 14.5 14.5 12.9 12.9 14.5 14.5 12.9 12.9 16.1 12.9 12.9
Most rain reported in a day
over 12 years
cm 14.5 10.9 6.6 9.7 5.1 2.8 1.8 2.8 4.8 3.6 3.3 11.7 14.5
Most rain reported in a month
over 12 years
cm 70.9 17.3 11.9 15.7 13.7 8.1 4.1 8.6 7.4 6.1 8.9 12.7 16.3
Least rain reported in a month
over 12 years
cm 14.5 - - - 0.3 0.3 - - - 0.3 0.5 - 0.3
Average number of days below -12.5°C
over 12 years
days 14 4 5 2 1 - - - - - - - 2
Average possibility of clouds
over 12 years
% 12 1 1 1 1 - 1 1 1 1 1 1 11
Most snow reported in a day
over 12 years
cm - - - - - - - - - - - - -
Average wet bulb point
over 10 years
°C 13 11 11 11 12 13 13 14 14 14 13 13 11
Average number of days below 2°C
over 12 years
days 114 16 16 16 12 10 9 4 5 4 3 5 14