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Monthly climate in Gladstone, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gladstone features a humid subtropical climate (Cfa). Temperatures typically range between 18 °C (64 °F) and 26 °C (80 °F) through the year, but rarely can drop to 8 °C (47 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 725 mm (28.5 inches) and receives 85 rainy days on the 1 mm (0.04 inches) threshold annually. Gladstone enjoys an average of 3495 hours of sunshine throughout the year, and daylight varies from 10 hours 40 minutes to 13 hours 34 minutes per day.

Monthly average temperatures in Gladstone, Australia

The warmest months in Gladstone are January, February and December, with daily mean temperatures ranging from 26 to 26 °C (79 - 80 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 18 to 18 °C (64 - 65 °F) throughout the day. On average each year, Gladstone experiences 187 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 Gladstone. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°C
(96°F)		35°C
(96°F)		33°C
(92°F)		30°C
(86°F)		27°C
(81°F)		25°C
(77°F)		25°C
(78°F)		26°C
(80°F)		28°C
(83°F)		28°C
(83°F)		32°C
(90°F)		31°C
(88°F)
Mean maximum31°C
(89°F)		32°C
(90°F)		31°C
(88°F)		29°C
(84°F)		26°C
(80°F)		24°C
(75°F)		25°C
(76°F)		25°C
(78°F)		27°C
(81°F)		28°C
(83°F)		30°C
(86°F)		30°C
(86°F)
Average high29°C
(84°F)		29°C
(85°F)		28°C
(83°F)		26°C
(80°F)		24°C
(75°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		24°C
(75°F)		25°C
(78°F)		27°C
(80°F)		28°C
(83°F)
Daily mean26°C
(80°F)		26°C
(80°F)		26°C
(79°F)		23°C
(74°F)		21°C
(69°F)		18°C
(65°F)		18°C
(64°F)		18°C
(65°F)		20°C
(69°F)		23°C
(73°F)		24°C
(76°F)		26°C
(79°F)
Average low24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		20°C
(69°F)		18°C
(64°F)		15°C
(59°F)		14°C
(57°F)		14°C
(58°F)		17°C
(62°F)		20°C
(69°F)		22°C
(71°F)		23°C
(74°F)
Mean minimum22°C
(71°F)		22°C
(71°F)		21°C
(70°F)		17°C
(64°F)		13°C
(56°F)		11°C
(52°F)		9°C
(49°F)		10°C
(51°F)		13°C
(56°F)		16°C
(62°F)		19°C
(66°F)		22°C
(71°F)
Minimum20°C
(69°F)		20°C
(68°F)		19°C
(67°F)		14°C
(57°F)		10°C
(51°F)		10°C
(49°F)		8°C
(47°F)		9°C
(49°F)		13°C
(55°F)		15°C
(59°F)		17°C
(64°F)		21°C
(70°F)

Compare climate in Gladstone with other places

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

Monthly average precipitation in Gladstone, Australia

Gladstone usually has the most precipitation in February, March and December, with an average of 12 rainy days and 112 mm (4.4 inches) of precipitation per month. The driest months in Gladstone are June, August and September. On average, 16 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gladstone. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)64 (2.5)107 (4.2)149 (5.9)70 (2.7)39 (1.5)22 (0.9)35 (1.4)16 (0.6)10 (0.4)72 (2.8)61 (2.4)80 (3.2)
Average precipitation days (≥ 1 mm)101216644312999

Monthly sunshine hours in Gladstone, Australia

The sunniest months in Gladstone are October, November and December, when the sun shines an average of 10 hours 33 minutes a day. Least sunny months in Gladstone: January, June and July receive an average of 8 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gladstone. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours270289289280272251270296303316325329
Mean daily daylight hours13h 24m12h 52m12h 12m11h 30m10h 56m10h 40m10h 48m11h 17m11h 56m12h 38m13h 15m13h 34m

Solar UV radiation in Gladstone, Australia

Gladstone experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 15 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Gladstone UV Index data.

Average daily maximum UV levels by month for Gladstone. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15151411866911131415