The climate in Pekalongan during December can be summarized as hot, humid and very wet.
December is in the summer in Pekalongan and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 23°C (73°F) is normal.
|Daytime temperature||30.8°C 87.4°F|
|Nightly temperature||22.8°C 73°F|
|Average temperature||26.8°C 80.2°F|
|Daily sunshine||7.2 hrs|
|Avg rainfall||320 mm 12.6 ins|
|Rainy days||18 days|
|Sea temperature||29.3°C 84.7°F|
|Windspeed||8.3kph 5 mph|
On average December is the 4th wettest month of the year in Pekalongan with around 320mm 12.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in December 2020.
|Hottest month:||October||32.1°C 89.8°F|
|Driest month:||August||74mm 2.9ins|
|Coldest month:||January||29.6°C 85.3°F|
|Wettest month:||January||633mm 24.9ins|