Monthly climate in Samarai, Papua New Guinea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Samarai features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (78 °F) and 28 °C (82 °F) through the year, but rarely can drop to 23 °C (75 °F) or can rise to as high as 31 °C (87 °F). The average annual precipitation amounts to about 3086 mm (121.5 inches) and receives 290 rainy days on the 1 mm (0.04 inches) threshold annually. Samarai enjoys an average of 3212 hours of sunshine throughout the year, and daylight varies from 11 hours 29 minutes to 12 hours 43 minutes per day.

Monthly average temperatures in Samarai, Papua New Guinea

The warmest months in Samarai are January, February and December, with daily mean temperatures ranging from 27 to 28 °C (82 - 82 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 26 °C (78 - 78 °F) throughout the day. On average each year, Samarai experiences 327 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 Samarai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(87°F)
31°C
(87°F)
30°C
(87°F)
29°C
(85°F)
30°C
(86°F)
28°C
(82°F)
27°C
(81°F)
28°C
(82°F)
27°C
(82°F)
28°C
(83°F)
29°C
(85°F)
30°C
(86°F)
Mean maximum30°C
(86°F)
30°C
(86°F)
30°C
(86°F)
29°C
(84°F)
28°C
(83°F)
27°C
(81°F)
27°C
(80°F)
27°C
(80°F)
27°C
(80°F)
28°C
(82°F)
29°C
(84°F)
29°C
(85°F)
Average high29°C
(84°F)
29°C
(84°F)
28°C
(83°F)
28°C
(82°F)
27°C
(81°F)
26°C
(80°F)
26°C
(79°F)
26°C
(79°F)
26°C
(79°F)
27°C
(80°F)
27°C
(82°F)
28°C
(83°F)
Daily mean28°C
(82°F)
28°C
(82°F)
27°C
(82°F)
27°C
(81°F)
27°C
(80°F)
26°C
(79°F)
26°C
(78°F)
25°C
(78°F)
25°C
(78°F)
26°C
(79°F)
27°C
(80°F)
27°C
(82°F)
Average low27°C
(80°F)
27°C
(81°F)
27°C
(80°F)
26°C
(80°F)
26°C
(79°F)
25°C
(78°F)
25°C
(77°F)
25°C
(77°F)
25°C
(77°F)
25°C
(78°F)
26°C
(79°F)
27°C
(80°F)
Mean minimum26°C
(79°F)
26°C
(79°F)
26°C
(78°F)
25°C
(78°F)
25°C
(77°F)
25°C
(77°F)
24°C
(76°F)
24°C
(76°F)
24°C
(76°F)
25°C
(77°F)
25°C
(77°F)
26°C
(78°F)
Minimum25°C
(78°F)
25°C
(78°F)
25°C
(77°F)
25°C
(77°F)
25°C
(77°F)
24°C
(75°F)
24°C
(75°F)
23°C
(75°F)
24°C
(75°F)
24°C
(75°F)
24°C
(76°F)
25°C
(77°F)

Compare climate in Samarai with other places

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

Monthly average precipitation in Samarai, Papua New Guinea

Samarai usually has the most precipitation in June, July and September, with an average of 27 rainy days and 371 mm (14.6 inches) of precipitation per month. The driest months in Samarai are January, February and December. On average, 135 mm (5.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Samarai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)174 (6.9)133 (5.2)270 (10.6)283 (11.1)250 (9.8)399 (15.7)304 (12.0)302 (11.9)410 (16.2)275 (10.8)188 (7.4)96 (3.8)
Average precipitation days (≥ 1 mm)201826252728272526262121

Monthly sunshine hours in Samarai, Papua New Guinea

The sunniest months in Samarai are October, November and December, when the sun shines an average of 9 hours 44 minutes a day. Least sunny months in Samarai: January, June and September receive an average of 7 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Samarai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours230262271265278240252269243290294311
Mean daily daylight hours12h 39m12h 25m12h 8m11h 50m11h 36m11h 29m11h 33m11h 45m12h 1m12h 19m12h 35m12h 43m

Solar UV radiation in Samarai, Papua New Guinea

Samarai experiences the highest level of ultraviolet (UV) radiation in January, February and March, when the maximum UV index can reach values of 16 - 16, which corresponds to the Extreme category of sun exposure. May, June and July are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly Samarai UV Index data.

Average daily maximum UV levels by month for Samarai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161616151210111315161515