Biyan Weather in January

What's the weather like in Biyan (East Java) in January 2023?

The climate in Biyan during January can be summarized as hot, humid and very wet.

January is in the summer in Biyan and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 24°C (75°F) is normal.

Biyan weather averages (imperial / metric)
Daytime temperature 30.6°C 87.1°F
Nightly temperature 23.6°C 74.5°F
Average temperature 27.1°C 80.8°F
Daily sunshine 6.2 hrs
Avg rainfall 291 mm 11.5 ins
Rainy days 18 days
Sea temperature 29.1°C 84.3°F
Humidity 84%
Windspeed 14.8kph 9 mph

On average January is the wettest month of the year in Biyan with around 291mm 11.5 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 6.2 hours of sunshine per day.

January temperatures in Biyan

Biyan average temperature in January

January rainfall

Biyan average rain in January

January hourly sunshine

Biyan average rain in January

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 Biyan in January 2023.

Other monthly averages

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UV index Best time to go?

Biyan weather stats

Biyan weather statistics
Hottest month: October 31.9°C 89.4°F
Driest month: August 5mm 0.2ins
Sunniest month: August 11.2hrs
Coldest month: July 29.7°C 85.5°F
Wettest month: January 291mm 11.5ins
Map showing location of Biyan (-7.1105, 113.7226)

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