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Monthly climate in Rabaul, East New Britain, Papua New Guinea

Last updated: May 6, 2024

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, East New Britain, 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 temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rabaul, East New Britain, Papua New Guinea.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 30°C
(86°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(85°F)		 29°C
(85°F)		 30°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(86°F)
Mean maximum 30°C
(86°F)		 30°C
(86°F)		 30°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(85°F)		 30°C
(86°F)
Average high 29°C
(84°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)
Daily mean 27°C
(82°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)
Average low 26°C
(80°F)		 26°C
(80°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(80°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(80°F)
Mean minimum 26°C
(79°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 26°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 26°C
(78°F)
Minimum 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(78°F)

Compare climate in Rabaul with other places

Compare temperature, precipitation, sunshine, UV index in Rabaul, East New Britain, Papua New Guinea with other places around the world.

Monthly average precipitation in Rabaul, East New Britain, 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 average precipitation and precipitation days in Rabaul, East New Britain, Papua New Guinea.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 216 (8.5) 299 (11.8) 407 (16.0) 336 (13.2) 204 (8.0) 119 (4.7) 179 (7.1) 191 (7.5) 178 (7.0) 171 (6.7) 227 (8.9) 339 (13.3)
Average precipitation days (≥ 1 mm) 21 26 28 27 23 19 20 18 19 22 24 28

Monthly sunshine hours in Rabaul, East New Britain, 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.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rabaul, East New Britain, Papua New Guinea.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 224 242 261 241 256 265 257 273 263 276 257 262
Mean daily daylight hours 12h 19m 12h 13m 12h 6m 11h 59m 11h 54m 11h 52m 11h 53m 11h 57m 12h 4m 12h 11m 12h 17m 12h 20m

Solar UV radiation in Rabaul, East New Britain, 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.

Average daily maximum UV levels by month for Rabaul, East New Britain, Papua New Guinea.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 15 17 17 16 13 12 12 13 15 14 14 14