Sleman monthly weather averages

Contents

Average daytime temperature

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

Sleman average temperature chart (Celsius) Sleman average temperature chart (Fahrenheit)
Average monthly temperatures in Sleman (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 30.7 31 30.9 31.6 31.5 31.1 30.8 31.2 31.4 31.7 31.2 30.9
°F 87.3 87.9 87.7 88.8 88.6 88 87.5 88.2 88.6 89.1 88.1 87.6

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.

Sleman monthly rainfall chart (mm) Sleman monthly rainfall chart (inches)
Average monthly rainfall in Sleman (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 375 314 363 179 142 61 32 25 52 136 219 284
inches 14.7 12.4 14.3 7 5.6 2.4 1.3 1 2 5.4 8.6 11.2
Rainy days 19 18 17 13 10 8 4 4 5 7 14 17

Average annual rainfall in Sleman: 2283.067mm (898.8 inches)

Average daily sunshine

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

Sleman average daily sunshine chart
Average daily sunshine Sleman
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.6 6.1 6.2 7.3 7.6 7.8 8.3 8.3 7.7 7.6 6.7 6.2

Day / night temperatures

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

Sleman average minimum / maximum temperatures (Celsius) Sleman average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Sleman (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 22.1 22 22.1 22.2 21.9 20.9 20.1 20.1 21.1 22.1 22.2 22.1
Max °C 31 31.3 31.2 31.8 31.7 31.4 31.1 31.5 31.7 32 31.4 31.1
Min °F 71.7 71.5 71.7 72 71.4 69.5 68.2 68.2 70 71.7 72 71.8
Max °F 79.7 79.9 79.9 80.6 80.2 79 78.1 78.4 79.5 80.6 80.2 79.9

Sea temperature

The graph below shows the average sea temperature.

Sleman average sea temperature chart (Celsius) Sleman average sea temperature chart (Fahrenheit)
Average sea temperature around Sleman in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 29 28.8 29.2 29.5 29.2 28.6 27.7 27 27.2 28 28.9 29.1
°F 84.3 83.9 84.6 85 84.6 83.5 81.8 80.6 80.9 82.3 84 84.4

Wind speed

The graph below shows the average wind speed.

Sleman average winspeed by month (km/h) Sleman average winspeed by month (mph)
Average wind speed in Sleman (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 10 10 10 9 9 9 10 12 13 12 11 10
mph 6 7 6 5 5 6 7 8 8 7 7 6

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.

Sleman relative humidity averages
Average relative humidity in Sleman
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
86% 85% 86% 84% 83% 81% 80% 78% 78% 79% 82% 84%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Sleman weather stats

Sleman weather statistics
Hottest month: April 31.6°C 88.9°F
Driest month: August 25mm 1ins
Sunniest month: July 8.3hrs
Coldest month: July 30.8°C 87.4°F
Wettest month: January 375mm 14.8ins
Warmest sea: April 29.5°C 85.1°F
Map showing location of Sleman (-7.71556, 110.35556) Sleman map pin © Google

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