Monthly climate in Rabaul, Papua New Guinea

Under the Köppen–Geiger climate classification Rabaul features a tropical rainforest climate (Af). Temperatures typically range between 27 °C (80 °F) and 27 °C (82 °F) through the year, but rarely can drop to 25 °C (77 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 2865 mm (112.8 inches) and receives 275 rainy days on the 1 mm (0.04 inches) threshold annually. Rabaul enjoys an average of 3081 hours of sunshine throughout the year, and daylight varies from 11 hours 52 minutes to 12 hours 20 minutes per day.

Monthly average temperatures in Rabaul, Papua New Guinea

The warmest months in Rabaul are January, May and December, with daily mean temperatures ranging from 27 to 27 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 27 to 27 °C (80 - 80 °F) throughout the day. On average each year, Rabaul experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average precipitation in Rabaul, Papua New Guinea

Rabaul usually has the most precipitation in March, April and December, with an average of 27 rainy days and 361 mm (14.2 inches) of precipitation per month. The driest months in Rabaul are June, September and October. On average, 156 mm (6.1 inches) of precipitation falls during these months.

Monthly sunshine hours in Rabaul, Papua New Guinea

The sunniest months in Rabaul are June, August and October, when the sun shines an average of 8 hours 51 minutes a day. Least sunny months in Rabaul: January, February and April receive an average of 7 hours 52 minutes of sunshine daily.

Solar UV radiation in Rabaul, Papua New Guinea

Rabaul experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 16 - 17, which corresponds to the Extreme category of sun exposure. May, June and July are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly Rabaul UV Index data.