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Monthly climate in Thursday Island, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Thursday Island features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (77 °F) and 28 °C (83 °F) through the year, but rarely can drop to 23 °C (73 °F) or can rise to as high as 30 °C (87 °F). The average annual precipitation amounts to about 1872 mm (73.7 inches) and receives 163 rainy days on the 1 mm (0.04 inches) threshold annually. Thursday Island enjoys an average of 3391 hours of sunshine throughout the year, and daylight varies from 11 hours 30 minutes to 12 hours 43 minutes per day.

Monthly average temperatures in Thursday Island, Australia

The warmest months in Thursday Island are January, February and December, with daily mean temperatures ranging from 27 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 25 °C (77 - 77 °F) throughout the day. On average each year, Thursday Island experiences 310 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 Thursday Island. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(86°F)		29°C
(85°F)		30°C
(86°F)		30°C
(85°F)		28°C
(83°F)		27°C
(81°F)		26°C
(80°F)		26°C
(80°F)		27°C
(80°F)		28°C
(83°F)		29°C
(85°F)		30°C
(87°F)
Mean maximum30°C
(86°F)		29°C
(85°F)		29°C
(85°F)		29°C
(84°F)		28°C
(82°F)		27°C
(80°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		28°C
(82°F)		29°C
(84°F)		30°C
(86°F)
Average high29°C
(84°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		27°C
(81°F)		26°C
(79°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		26°C
(80°F)		28°C
(82°F)		29°C
(84°F)
Daily mean28°C
(82°F)		27°C
(82°F)		27°C
(82°F)		27°C
(81°F)		27°C
(80°F)		26°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		26°C
(79°F)		27°C
(81°F)		28°C
(83°F)
Average low27°C
(80°F)		27°C
(80°F)		26°C
(80°F)		27°C
(80°F)		26°C
(79°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		26°C
(78°F)		27°C
(80°F)		27°C
(81°F)
Mean minimum26°C
(79°F)		26°C
(79°F)		26°C
(78°F)		26°C
(78°F)		25°C
(77°F)		25°C
(77°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		25°C
(77°F)		26°C
(79°F)		26°C
(79°F)
Minimum26°C
(78°F)		26°C
(78°F)		25°C
(77°F)		25°C
(78°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		24°C
(75°F)		25°C
(78°F)		26°C
(79°F)

Compare climate in Thursday Island with other places

Compare temperature, precipitation, sunshine, UV index in Thursday Island, Australia with other places around the world.

Monthly average precipitation in Thursday Island, Australia

Thursday Island usually has the most precipitation in January, February and March, with an average of 25 rainy days and 406 mm (16.0 inches) of precipitation per month. The driest months in Thursday Island are August, September and October. On average, 14 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Thursday Island. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)386 (15.2)397 (15.6)435 (17.1)306 (12.0)62 (2.4)26 (1.0)22 (0.9)13 (0.5)11 (0.4)19 (0.7)44 (1.7)151 (5.9)
Average precipitation days (≥ 1 mm)232429211477444719

Monthly sunshine hours in Thursday Island, Australia

The sunniest months in Thursday Island are October, November and December, when the sun shines an average of 10 hours 21 minutes a day. Least sunny months in Thursday Island: January, February and April receive an average of 8 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Thursday Island. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours220247265260284275289299296322317312
Mean daily daylight hours12h 39m12h 25m12h 8m11h 50m11h 36m11h 30m11h 33m11h 45m12h 1m12h 19m12h 35m12h 43m

Solar UV radiation in Thursday Island, Australia

Thursday Island experiences the highest level of ultraviolet (UV) radiation in February, March and October, 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 Thursday Island UV Index data.

Average daily maximum UV levels by month for Thursday Island. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151616141210111315161515