nomadseason

Monthly climate in Milton, New Zealand

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Milton features a oceanic climate (Cfb). Temperatures typically range between 5 °C (41 °F) and 15 °C (59 °F) through the year, but rarely can drop to -5 °C (24 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 974 mm (38.4 inches) and receives 158 rainy days on the 1 mm (0.04 inches) threshold annually. Milton enjoys an average of 2782 hours of sunshine throughout the year, and daylight varies from 8 hours 40 minutes to 15 hours 40 minutes per day.

Monthly average temperatures in Milton, New Zealand

The warmest months in Milton are January, February and December, with daily mean temperatures ranging from 14 to 15 °C (57 - 59 °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 - 44 °F) throughout the day. On average each year, Milton experiences 6 days above 25 °C (77.0 °F) and 26 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Milton. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(86°F)		31°C
(88°F)		27°C
(82°F)		24°C
(75°F)		19°C
(66°F)		20°C
(68°F)		15°C
(59°F)		19°C
(67°F)		21°C
(70°F)		23°C
(73°F)		27°C
(80°F)		26°C
(79°F)
Mean maximum27°C
(81°F)		27°C
(81°F)		25°C
(77°F)		21°C
(71°F)		17°C
(63°F)		15°C
(59°F)		13°C
(56°F)		17°C
(62°F)		20°C
(67°F)		22°C
(72°F)		24°C
(75°F)		25°C
(76°F)
Average high19°C
(67°F)		19°C
(67°F)		18°C
(65°F)		15°C
(59°F)		13°C
(55°F)		9°C
(49°F)		9°C
(49°F)		11°C
(52°F)		13°C
(55°F)		14°C
(58°F)		17°C
(63°F)		18°C
(65°F)
Daily mean15°C
(59°F)		14°C
(58°F)		13°C
(56°F)		10°C
(51°F)		8°C
(46°F)		5°C
(42°F)		5°C
(41°F)		6°C
(44°F)		8°C
(47°F)		10°C
(50°F)		12°C
(54°F)		14°C
(57°F)
Average low11°C
(51°F)		10°C
(50°F)		9°C
(48°F)		6°C
(44°F)		4°C
(39°F)		2°C
(36°F)		2°C
(35°F)		3°C
(37°F)		3°C
(38°F)		6°C
(42°F)		8°C
(46°F)		10°C
(49°F)
Mean minimum5°C
(42°F)		5°C
(41°F)		3°C
(38°F)		1°C
(35°F)		-2°C
(29°F)		-1°C
(30°F)		-3°C
(26°F)		-3°C
(26°F)		-2°C
(29°F)		1°C
(34°F)		2°C
(37°F)		5°C
(41°F)
Minimum4°C
(39°F)		2°C
(36°F)		1°C
(35°F)		-0°C
(32°F)		-4°C
(24°F)		-5°C
(24°F)		-5°C
(24°F)		-4°C
(25°F)		-4°C
(26°F)		-1°C
(31°F)		0°C
(32°F)		3°C
(38°F)

Compare climate in Milton with other places

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

Monthly average precipitation in Milton, New Zealand

Milton usually has the most precipitation in February, November and December, with an average of 14 rainy days and 114 mm (4.5 inches) of precipitation per month. The driest months in Milton are May, June and August. On average, 54 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Milton. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)97 (3.8)112 (4.4)68 (2.7)72 (2.8)59 (2.3)50 (2.0)71 (2.8)53 (2.1)73 (2.9)91 (3.6)113 (4.4)116 (4.6)
Average precipitation days (≥ 1 mm)141211121110121415151616

Monthly sunshine hours in Milton, New Zealand

The sunniest months in Milton are February, November and December, when the sun shines an average of 9 hours 47 minutes a day. Least sunny months in Milton: May, June and July receive an average of 5 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Milton. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours245272246212186158167194238252292315
Mean daily daylight hours15h 16m13h 59m12h 22m10h 44m9h 22m8h 40m9h 0m10h 13m11h 45m13h 24m14h 52m15h 40m

Solar UV radiation in Milton, New Zealand

Milton 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 Milton UV Index data.

Average daily maximum UV levels by month for Milton. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1312853223581012