Osa monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Osa

Osa average temperature chart (Celsius) Osa average temperature chart (Fahrenheit)
Average monthly temperatures in Osa (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -11.1 -8.5 -0.9 8.6 17.6 22.1 24.2 20.9 14.5 5.1 -2.4 -7.9
°F 12 16.8 30.3 47.4 63.6 71.7 75.5 69.6 58.2 41.2 27.7 17.8

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Osa monthly rainfall chart (mm) Osa monthly rainfall chart (inches)
Average monthly rainfall in Osa (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 40 27 27 35 47 65 69 65 63 58 50 42
inches 1.6 1.1 1.1 1.4 1.9 2.6 2.7 2.6 2.5 2.3 1.9 1.6
Rainy days 20 15 14 12 13 15 14 14 16 19 20 20

Average annual rainfall in Osa: 698.467mm (275 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Osa

Osa average daily sunshine chart
Average daily sunshine Osa
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.7 3.4 5.4 7.4 9.9 10.9 10.3 8.4 5.1 2.5 1.6 1.1

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Osa average minimum / maximum temperatures (Celsius) Osa average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Osa (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -18.7 -17 -9.9 -0.8 5.8 10.5 13.4 10.7 6.1 -0.7 -8 -14.7
Max °C -10.9 -8.3 -0.7 8.8 17.9 22.4 24.5 21.2 14.8 5.3 -2.3 -7.7
Min °F -1.7 1.5 14.2 30.6 42.4 50.8 56 51.2 42.9 30.8 17.7 5.5
Max °F 5.4 9.3 22.5 39.2 53.2 61.5 66 60.6 50.7 36.1 22.8 11.8

Sea temperature

The graph below shows the average sea temperature.

Osa average sea temperature chart (Celsius) Osa average sea temperature chart (Fahrenheit)
Average sea temperature around Osa in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.3 3.8 4 5 7.1 9.8 13.5 14.7 12.8 9.8 7 5.5
°F 39.8 38.9 39.2 41 44.7 49.6 56.3 58.5 55.1 49.6 44.6 41.9

Wind speed

The graph below shows the average wind speed.

Osa average winspeed by month (km/h) Osa average winspeed by month (mph)
Average wind speed in Osa (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 11 11 11 11 12 11 9 10 11 12 12 11
mph 7 7 7 7 8 7 5 7 7 7 7 7

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Osa relative humidity averages
Average relative humidity in Osa
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
100% 92% 83% 69% 58% 65% 70% 73% 76% 83% 95% 99%

Other monthly averages

UV index Best time to go?

Osa weather stats

Osa weather statistics
Hottest month: July 24.2°C 75.6°F
Driest month: March 27mm 1.1ins
Sunniest month: June 10.9hrs
Coldest month: January -11.1°C 12°F
Wettest month: July 69mm 2.7ins
Warmest sea: August 14.7°C 58.5°F
Map showing location of Osa (57.283, 55.4589) Osa map pin © Google

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