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Monthly climate in Wellington, New South Wales, Australia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Wellington features a humid subtropical climate (Cfa). Temperatures typically range between 8 °C (46 °F) and 25 °C (78 °F) through the year, but rarely can drop to -6 °C (22 °F) or can rise to as high as 43 °C (109 °F). The average annual precipitation amounts to about 583 mm (23.0 inches) and receives 60 rainy days on the 1 mm (0.04 inches) threshold annually. Wellington enjoys an average of 3442 hours of sunshine throughout the year, and daylight varies from 10 hours 1 minutes to 14 hours 14 minutes per day.

Monthly average temperatures in Wellington, New South Wales, Australia §

The warmest months in Wellington are January, February and December, with daily mean temperatures ranging from 23 to 25 °C (73 - 78 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 8 to 9 °C (46 - 48 °F) throughout the day. On average each year, Wellington experiences 137 days above 25 °C (77.0 °F) and 19 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Wellington, New South Wales, Australia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 42°C
(108°F)		 43°C
(109°F)		 37°C
(99°F)		 33°C
(91°F)		 26°C
(78°F)		 21°C
(70°F)		 21°C
(71°F)		 25°C
(76°F)		 32°C
(90°F)		 34°C
(94°F)		 38°C
(100°F)		 42°C
(108°F)
Mean maximum 39°C
(102°F)		 37°C
(99°F)		 34°C
(93°F)		 28°C
(83°F)		 23°C
(74°F)		 18°C
(64°F)		 19°C
(67°F)		 23°C
(73°F)		 28°C
(82°F)		 30°C
(87°F)		 33°C
(92°F)		 38°C
(101°F)
Average high 33°C
(91°F)		 30°C
(87°F)		 27°C
(81°F)		 23°C
(74°F)		 18°C
(65°F)		 15°C
(59°F)		 15°C
(59°F)		 16°C
(60°F)		 20°C
(69°F)		 24°C
(75°F)		 26°C
(79°F)		 30°C
(86°F)
Daily mean 25°C
(78°F)		 23°C
(74°F)		 21°C
(70°F)		 16°C
(62°F)		 12°C
(53°F)		 9°C
(48°F)		 8°C
(46°F)		 9°C
(48°F)		 13°C
(55°F)		 17°C
(62°F)		 19°C
(67°F)		 23°C
(73°F)
Average low 19°C
(66°F)		 17°C
(63°F)		 15°C
(60°F)		 11°C
(51°F)		 6°C
(44°F)		 4°C
(39°F)		 2°C
(37°F)		 2°C
(37°F)		 5°C
(42°F)		 10°C
(50°F)		 13°C
(55°F)		 16°C
(61°F)
Mean minimum 13°C
(56°F)		 11°C
(52°F)		 10°C
(50°F)		 4°C
(40°F)		 0°C
(32°F)		 -1°C
(31°F)		 -3°C
(27°F)		 -3°C
(28°F)		 -0°C
(32°F)		 3°C
(37°F)		 6°C
(42°F)		 9°C
(48°F)
Minimum 9°C
(49°F)		 9°C
(49°F)		 7°C
(44°F)		 1°C
(35°F)		 -2°C
(28°F)		 -2°C
(28°F)		 -6°C
(22°F)		 -3°C
(27°F)		 -1°C
(30°F)		 1°C
(34°F)		 4°C
(39°F)		 7°C
(44°F)

Compare climate in Wellington with other places

Compare temperature, precipitation, sunshine, UV index in Wellington, New South Wales, Australia with other places around the world.

Monthly average precipitation in Wellington, New South Wales, Australia §

Wellington usually has the most precipitation in March, November and December, with an average of 6 rainy days and 81 mm (3.2 inches) of precipitation per month. The driest months in Wellington are April, May and July. On average, 29 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Wellington, New South Wales, Australia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 33 (1.3) 56 (2.2) 94 (3.7) 25 (1.0) 32 (1.3) 37 (1.5) 31 (1.2) 36 (1.4) 33 (1.3) 57 (2.3) 82 (3.2) 67 (2.6)
Average precipitation days (≥ 1 mm) 5 5 7 2 4 5 5 5 4 6 7 5

Monthly sunshine hours in Wellington, New South Wales, Australia §

The sunniest months in Wellington are October, November and December, when the sun shines an average of 10 hours 45 minutes a day. Least sunny months in Wellington: May, June and July receive an average of 7 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Wellington, New South Wales, Australia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 295 304 304 280 256 217 242 264 287 311 317 360
Mean daily daylight hours 14h 0m 13h 14m 12h 15m 11h 15m 10h 26m 10h 1m 10h 13m 10h 56m 11h 53m 12h 53m 13h 46m 14h 14m

Solar UV radiation in Wellington, New South Wales, Australia §

Wellington experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Wellington UV Index data.

Average daily maximum UV levels by month for Wellington, New South Wales, Australia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 15 14 13 8 6 4 4 6 8 11 13 15

Detailed Monthly Weather Insights for Wellington, New South Wales, Australia

Discover in-depth weather details for every month in Wellington. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Wellington's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.