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Monthly climate in Newcastle, New South Wales, Australia

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Newcastle features a humid subtropical climate (Cfa).Temperatures typically range between 15 °C (59 °F) and 23 °C (74 °F) through the year, but rarely can drop to 9 °C (48 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 1021 mm (40.2 inches) and receives 117 rainy days on the 1 mm (0.04 inches) threshold annually.Newcastle enjoys an average of 3305 hours of sunshine throughout the year, and daylight varies from 9 hours 59 minutes to 14 hours 16 minutes per day.

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

The warmest months in Newcastle are January, February and March, with daily mean temperatures ranging from 22 to 23 °C (72 - 74 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 15 to 15 °C (59 - 60 °F) throughout the day. On average each year, Newcastle experiences 34 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 Newcastle, 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 33°C
(92°F)		 33°C
(92°F)		 32°C
(90°F)		 29°C
(85°F)		 24°C
(76°F)		 22°C
(72°F)		 21°C
(71°F)		 22°C
(72°F)		 28°C
(83°F)		 28°C
(83°F)		 33°C
(91°F)		 35°C
(95°F)
Mean maximum 30°C
(87°F)		 30°C
(86°F)		 28°C
(83°F)		 26°C
(79°F)		 23°C
(74°F)		 19°C
(67°F)		 21°C
(70°F)		 21°C
(70°F)		 25°C
(77°F)		 26°C
(79°F)		 28°C
(82°F)		 30°C
(87°F)
Average high 24°C
(76°F)		 24°C
(76°F)		 23°C
(74°F)		 22°C
(71°F)		 19°C
(67°F)		 17°C
(63°F)		 17°C
(63°F)		 17°C
(63°F)		 19°C
(66°F)		 20°C
(68°F)		 21°C
(71°F)		 23°C
(74°F)
Daily mean 23°C
(74°F)		 23°C
(73°F)		 22°C
(72°F)		 20°C
(69°F)		 18°C
(64°F)		 15°C
(60°F)		 15°C
(59°F)		 15°C
(59°F)		 17°C
(62°F)		 18°C
(65°F)		 20°C
(68°F)		 21°C
(71°F)
Average low 22°C
(71°F)		 22°C
(71°F)		 21°C
(70°F)		 19°C
(66°F)		 16°C
(61°F)		 14°C
(57°F)		 13°C
(55°F)		 13°C
(55°F)		 14°C
(58°F)		 17°C
(62°F)		 18°C
(65°F)		 20°C
(68°F)
Mean minimum 20°C
(67°F)		 19°C
(67°F)		 19°C
(66°F)		 15°C
(60°F)		 12°C
(53°F)		 11°C
(52°F)		 10°C
(51°F)		 10°C
(50°F)		 12°C
(53°F)		 14°C
(58°F)		 15°C
(59°F)		 17°C
(63°F)
Minimum 17°C
(64°F)		 18°C
(65°F)		 17°C
(63°F)		 14°C
(57°F)		 11°C
(52°F)		 9°C
(48°F)		 9°C
(49°F)		 9°C
(48°F)		 11°C
(52°F)		 13°C
(56°F)		 14°C
(58°F)		 17°C
(62°F)

Compare climate in Newcastle with other places

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

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

Newcastle usually has the most precipitation in February, March and June, with an average of 14 rainy days and 152 mm (6.0 inches) of precipitation per month.The driest months in Newcastle are April, August and September. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Newcastle, 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) 53 (2.1) 126 (5.0) 201 (7.9) 48 (1.9) 56 (2.2) 129 (5.1) 69 (2.7) 44 (1.7) 47 (1.9) 93 (3.6) 81 (3.2) 74 (2.9)
Average precipitation days (≥ 1 mm) 7 11 17 10 9 15 6 5 7 10 9 11

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

The sunniest months in Newcastle are October, November and December, when the sun shines an average of 10 hours 7 minutes a day.Least sunny months in Newcastle: May, June and July receive an average of 7 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Newcastle, 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 265 276 272 268 253 222 247 277 290 298 306 327
Mean daily daylight hours 14h 2m 13h 15m 12h 15m 11h 14m 10h 24m 9h 59m 10h 12m 10h 55m 11h 53m 12h 53m 13h 47m 14h 16m

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

Newcastle 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 Newcastle UV Index data.

Average daily maximum UV levels by month for Newcastle, 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 12 8 6 4 4 6 8 10 12 15