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Monthly climate in Seddon, New Zealand

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Seddon features a oceanic climate (Cfb). Temperatures typically range between 7 °C (46 °F) and 17 °C (62 °F) through the year, but rarely can drop to 0 °C (33 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 909 mm (35.8 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually. Seddon enjoys an average of 3200 hours of sunshine throughout the year, and daylight varies from 9 hours 11 minutes to 15 hours 7 minutes per day.

Monthly average temperatures in Seddon, New Zealand

The warmest months in Seddon are January, February and December, with daily mean temperatures ranging from 15 to 17 °C (60 - 62 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 7 to 8 °C (46 - 47 °F) throughout the day. On average each year, Seddon experiences 3 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 Seddon. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(84°F)		28°C
(82°F)		23°C
(74°F)		22°C
(72°F)		19°C
(66°F)		16°C
(62°F)		14°C
(58°F)		18°C
(64°F)		18°C
(65°F)		21°C
(70°F)		24°C
(75°F)		25°C
(77°F)
Mean maximum26°C
(79°F)		25°C
(77°F)		23°C
(73°F)		21°C
(70°F)		18°C
(65°F)		15°C
(58°F)		13°C
(56°F)		16°C
(60°F)		17°C
(63°F)		20°C
(67°F)		22°C
(71°F)		23°C
(75°F)
Average high21°C
(69°F)		20°C
(68°F)		18°C
(65°F)		16°C
(61°F)		14°C
(57°F)		11°C
(53°F)		11°C
(52°F)		12°C
(53°F)		13°C
(55°F)		15°C
(58°F)		17°C
(62°F)		18°C
(66°F)
Daily mean17°C
(62°F)		16°C
(62°F)		15°C
(59°F)		13°C
(55°F)		10°C
(51°F)		8°C
(47°F)		7°C
(46°F)		8°C
(47°F)		9°C
(49°F)		11°C
(52°F)		13°C
(56°F)		15°C
(60°F)
Average low13°C
(56°F)		13°C
(56°F)		12°C
(54°F)		9°C
(49°F)		7°C
(46°F)		6°C
(43°F)		5°C
(40°F)		5°C
(41°F)		6°C
(43°F)		8°C
(46°F)		10°C
(50°F)		12°C
(54°F)
Mean minimum9°C
(48°F)		9°C
(48°F)		8°C
(47°F)		5°C
(42°F)		3°C
(38°F)		4°C
(39°F)		2°C
(35°F)		2°C
(36°F)		2°C
(36°F)		3°C
(38°F)		6°C
(43°F)		8°C
(46°F)
Minimum7°C
(45°F)		7°C
(46°F)		6°C
(43°F)		4°C
(39°F)		1°C
(34°F)		2°C
(35°F)		1°C
(34°F)		1°C
(34°F)		0°C
(33°F)		2°C
(36°F)		5°C
(41°F)		6°C
(44°F)

Compare climate in Seddon with other places

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

Monthly average precipitation in Seddon, New Zealand

Seddon usually has the most precipitation in April, July and December, with an average of 10 rainy days and 97 mm (3.8 inches) of precipitation per month. The driest months in Seddon are January, February and August. On average, 58 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Seddon. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)47 (1.9)61 (2.4)67 (2.6)97 (3.8)67 (2.7)81 (3.2)92 (3.6)66 (2.6)78 (3.1)73 (2.9)76 (3.0)102 (4.0)
Average precipitation days (≥ 1 mm)66788101110912911

Monthly sunshine hours in Seddon, New Zealand

The sunniest months in Seddon are February, November and December, when the sun shines an average of 10 hours 50 minutes a day. Least sunny months in Seddon: May, June and July receive an average of 6 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Seddon. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours300305288242219180199233262297319350
Mean daily daylight hours14h 47m13h 42m12h 19m10h 56m9h 46m9h 11m9h 28m10h 29m11h 48m13h 12m14h 27m15h 7m

Solar UV radiation in Seddon, New Zealand

Seddon 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 Seddon UV Index data.

Average daily maximum UV levels by month for Seddon. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1313974224691113