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Monthly climate in Geraldine, New Zealand

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Geraldine features a oceanic climate (Cfb). Temperatures typically range between 5 °C (41 °F) and 16 °C (61 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 1117 mm (44.0 inches) and receives 138 rainy days on the 1 mm (0.04 inches) threshold annually. Geraldine enjoys an average of 2977 hours of sunshine throughout the year, and daylight varies from 8 hours 54 minutes to 15 hours 24 minutes per day.

Monthly average temperatures in Geraldine, New Zealand

The warmest months in Geraldine are January, February and December, with daily mean temperatures ranging from 15 to 16 °C (59 - 61 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 5 to 6 °C (41 - 43 °F) throughout the day. On average each year, Geraldine experiences 17 days above 25 °C (77.0 °F) and 45 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Geraldine. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(88°F)		31°C
(89°F)		28°C
(83°F)		25°C
(78°F)		21°C
(70°F)		20°C
(68°F)		18°C
(64°F)		20°C
(69°F)		21°C
(71°F)		24°C
(75°F)		29°C
(85°F)		29°C
(84°F)
Mean maximum28°C
(83°F)		29°C
(84°F)		26°C
(79°F)		23°C
(74°F)		19°C
(67°F)		16°C
(60°F)		15°C
(59°F)		18°C
(64°F)		20°C
(68°F)		23°C
(73°F)		25°C
(77°F)		27°C
(80°F)
Average high22°C
(71°F)		21°C
(71°F)		19°C
(67°F)		17°C
(62°F)		14°C
(57°F)		10°C
(51°F)		10°C
(51°F)		12°C
(54°F)		14°C
(58°F)		16°C
(61°F)		18°C
(65°F)		20°C
(68°F)
Daily mean16°C
(61°F)		16°C
(60°F)		14°C
(57°F)		11°C
(52°F)		8°C
(47°F)		5°C
(41°F)		5°C
(41°F)		6°C
(43°F)		8°C
(47°F)		10°C
(51°F)		13°C
(56°F)		15°C
(59°F)
Average low11°C
(52°F)		10°C
(51°F)		9°C
(49°F)		6°C
(43°F)		3°C
(38°F)		1°C
(34°F)		0°C
(33°F)		2°C
(35°F)		3°C
(37°F)		5°C
(42°F)		8°C
(46°F)		10°C
(50°F)
Mean minimum6°C
(42°F)		4°C
(40°F)		3°C
(38°F)		-0°C
(32°F)		-2°C
(28°F)		-3°C
(28°F)		-4°C
(25°F)		-4°C
(25°F)		-3°C
(27°F)		-1°C
(30°F)		1°C
(34°F)		5°C
(41°F)
Minimum4°C
(39°F)		2°C
(36°F)		1°C
(35°F)		-3°C
(26°F)		-5°C
(23°F)		-7°C
(20°F)		-7°C
(20°F)		-6°C
(21°F)		-4°C
(25°F)		-3°C
(27°F)		-1°C
(30°F)		4°C
(39°F)

Compare climate in Geraldine with other places

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

Monthly average precipitation in Geraldine, New Zealand

Geraldine usually has the most precipitation in July, November and December, with an average of 13 rainy days and 122 mm (4.8 inches) of precipitation per month. The driest months in Geraldine are June, August and September. On average, 67 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Geraldine. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)77 (3.0)99 (3.9)100 (3.9)96 (3.8)76 (3.0)65 (2.6)105 (4.1)65 (2.6)71 (2.8)101 (4.0)126 (5.0)136 (5.3)
Average precipitation days (≥ 1 mm)109131089121211151316

Monthly sunshine hours in Geraldine, New Zealand

The sunniest months in Geraldine are February, November and December, when the sun shines an average of 10 hours 21 minutes a day. Least sunny months in Geraldine: May, June and July receive an average of 5 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Geraldine. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours277296264230196161178213247276307328
Mean daily daylight hours15h 2m13h 50m12h 20m10h 49m9h 33m8h 54m9h 14m10h 20m11h 47m13h 18m14h 40m15h 24m

Solar UV radiation in Geraldine, New Zealand

Geraldine experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 12 - 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 3. For more detailed information, check out our hourly Geraldine UV Index data.

Average daily maximum UV levels by month for Geraldine. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1312963223591012