Weather Averages Rota Mariana Islands, MP

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Weather Averages for
Rota Mariana Islands, MP


Latitude: 13°35'N, Longitude: 144°56'E, Elevation: 612.0 ft, Distance: 45.76 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 46 years
°F 80 78 78 78 80 80 80 80 80 80 80 80 80
Average high temperature
over 46 years
°F 84 82 82 82 82 84 84 84 84 84 84 84 82
Average low temperature
over 46 years
°F 75 75 75 75 75 77 77 77 75 75 77 77 75
Highest recorded temperature
over 46 years
°F 93 87 89 89 91 93 91 89 91 91 91 89 89
Lowest recorded temperature
over 46 years
°F 66 66 69 69 69 66 69 69 69 71 69 69 68
Average number of rainy days
over 46 years
days 247 19 16 17 17 18 22 23 24 23 24 23 21
Average precipitation
over 46 years
in 92.1 5.1 4.5 3.4 4.0 5.4 5.6 9.8 13.4 13.2 12.8 8.6 5.8
Average dew point
over 10 years
°F 73 71 69 71 71 73 73 75 75 75 75 73 73
Average number of days with thunderstorms
over 45 years
days 26 1 - - 1 1 1 4 5 6 4 2 1
Average number of days with fog
over 45 years
days 38 4 3 4 3 3 2 3 3 3 3 3 4
Average morning relative humidity
over 10 years
% 83.9 81.5 80 80.4 81.6 83.3 83.2 86.2 87.9 87.5 86.5 84.9 83.3
Average evening relative humidity
over 10 years
% 75.6 74.3 71.9 71.3 72.5 74.4 74.9 77.4 78.9 77.7 78 78.2 76.8
Average wind speed
over 12 years
mph 11.0 10.0 10.0 9.0 8.0 8.0 5.0 6.0 6.0 6.0 9.0 11.0 9.0
Most rain reported in a day
over 46 years
in 22.6 9.2 10.5 3.3 9.0 22.6 5.0 5.8 12.6 6.1 18.3 5.2 6.6
Most rain reported in a month
over 46 years
in 51.8 17.3 17.5 14.7 24.0 35.2 17.9 15.9 32.9 26.1 37.1 19.2 16.9
Least rain reported in a month
over 46 years
in 56.8 1.1 0.7 0.3 0.4 0.8 0.5 3.0 4.4 4.0 4.1 2.4 1.2
Cooling degree days
over 46 years
days 5567 429 387 437 452 496 493 491 484 467 489 478 464
Average number of days above 85°F
over 12 years
days 46 2 3 8 14 16 15 15 14 15 11 5 120
Average number of days below 75°F
over 46 years
days 63 9 10 8 4 2 2 5 6 6 5 2 4
Average possibility of clouds
over 10 years
% 60.9 52.7 54.9 49.6 45 50.8 63.8 72.8 79.8 78.4 65.4 56.7 59.9
Most snow reported in a day
over 46 years
in - - - - - - - - - - - - -
Average wet bulb point
over 10 years
°F 75 73 73 73 73 75 75 75 75 75 75 75 75