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Monthly climate in Gladstone, New Zealand

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gladstone features a oceanic climate (Cfb). Temperatures typically range between 8 °C (47 °F) and 17 °C (63 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 26 °C (79 °F). The average annual precipitation amounts to about 1053 mm (41.5 inches) and receives 135 rainy days on the 1 mm (0.04 inches) threshold annually. Gladstone enjoys an average of 2998 hours of sunshine throughout the year, and daylight varies from 9 hours 14 minutes to 15 hours 3 minutes per day.

Monthly average temperatures in Gladstone, New Zealand

The warmest months in Gladstone are January, February and December, with daily mean temperatures ranging from 16 to 17 °C (60 - 63 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 8 to 9 °C (47 - 49 °F) throughout the day. On average each year, Gladstone experiences 1 days above 25 °C (77.0 °F) and 1 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
Maximum25°C
(78°F)		26°C
(79°F)		24°C
(75°F)		22°C
(72°F)		19°C
(67°F)		17°C
(63°F)		15°C
(60°F)		15°C
(60°F)		17°C
(64°F)		20°C
(68°F)		23°C
(73°F)		24°C
(75°F)
Mean maximum24°C
(76°F)		25°C
(77°F)		23°C
(73°F)		21°C
(69°F)		18°C
(65°F)		15°C
(60°F)		14°C
(58°F)		14°C
(58°F)		17°C
(62°F)		19°C
(66°F)		21°C
(71°F)		22°C
(73°F)
Average high20°C
(69°F)		21°C
(69°F)		19°C
(66°F)		17°C
(62°F)		14°C
(58°F)		12°C
(54°F)		11°C
(53°F)		12°C
(54°F)		13°C
(55°F)		15°C
(59°F)		17°C
(62°F)		19°C
(66°F)
Daily mean17°C
(63°F)		17°C
(63°F)		15°C
(60°F)		13°C
(56°F)		11°C
(52°F)		9°C
(49°F)		8°C
(47°F)		9°C
(48°F)		10°C
(50°F)		11°C
(53°F)		14°C
(57°F)		16°C
(60°F)
Average low13°C
(56°F)		13°C
(56°F)		12°C
(54°F)		10°C
(49°F)		8°C
(47°F)		7°C
(44°F)		5°C
(42°F)		6°C
(42°F)		7°C
(44°F)		8°C
(47°F)		10°C
(51°F)		12°C
(54°F)
Mean minimum9°C
(48°F)		7°C
(45°F)		7°C
(44°F)		4°C
(39°F)		2°C
(37°F)		3°C
(38°F)		-0°C
(32°F)		1°C
(34°F)		2°C
(35°F)		2°C
(35°F)		6°C
(44°F)		8°C
(46°F)
Minimum6°C
(44°F)		5°C
(42°F)		4°C
(40°F)		2°C
(36°F)		0°C
(33°F)		-0°C
(32°F)		-2°C
(29°F)		-1°C
(31°F)		1°C
(33°F)		-1°C
(31°F)		6°C
(43°F)		5°C
(41°F)

Compare climate in Gladstone with other places

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

Monthly average precipitation in Gladstone, New Zealand

Gladstone usually has the most precipitation in April, November and December, with an average of 12 rainy days and 113 mm (4.5 inches) of precipitation per month. The driest months in Gladstone are January, February and May. On average, 58 mm (2.3 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)53 (2.1)61 (2.4)84 (3.3)104 (4.1)60 (2.3)102 (4.0)88 (3.5)80 (3.1)102 (4.0)86 (3.4)103 (4.0)132 (5.2)
Average precipitation days (≥ 1 mm)8610111112121313131214

Monthly sunshine hours in Gladstone, New Zealand

The sunniest months in Gladstone are February, November and December, when the sun shines an average of 10 hours 9 minutes a day. Least sunny months in Gladstone: May, June and July receive an average of 6 hours 3 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 hours279286266230203163190224244279302325
Mean daily daylight hours14h 44m13h 40m12h 19m10h 57m9h 49m9h 14m9h 31m10h 31m11h 48m13h 11m14h 24m15h 3m

Solar UV radiation in Gladstone, New Zealand

Gladstone experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure. May, June and July are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. 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)1313974224691113