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Monthly climate in Heddon Greta, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Heddon Greta features a humid subtropical climate (Cfa). Temperatures typically range between 12 °C (54 °F) and 25 °C (77 °F) through the year, but rarely can drop to 2 °C (36 °F) or can rise to as high as 43 °C (109 °F). The average annual precipitation amounts to about 715 mm (28.1 inches) and receives 110 rainy days on the 1 mm (0.04 inches) threshold annually. Heddon Greta enjoys an average of 3305 hours of sunshine throughout the year, and daylight varies from 10 hours 0 minutes to 14 hours 15 minutes per day.

Monthly average temperatures in Heddon Greta, Australia

The warmest months in Heddon Greta are January, February and December, with daily mean temperatures ranging from 23 to 25 °C (73 - 77 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 12 to 13 °C (54 - 55 °F) throughout the day. On average each year, Heddon Greta experiences 119 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 Heddon Greta. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum42°C
(108°F)		43°C
(109°F)		37°C
(99°F)		34°C
(93°F)		26°C
(80°F)		23°C
(74°F)		25°C
(76°F)		26°C
(79°F)		33°C
(92°F)		35°C
(95°F)		40°C
(104°F)		41°C
(106°F)
Mean maximum38°C
(101°F)		37°C
(98°F)		34°C
(93°F)		29°C
(85°F)		25°C
(77°F)		20°C
(69°F)		23°C
(74°F)		24°C
(76°F)		30°C
(87°F)		32°C
(89°F)		34°C
(93°F)		38°C
(100°F)
Average high30°C
(86°F)		28°C
(83°F)		26°C
(79°F)		24°C
(75°F)		21°C
(69°F)		17°C
(64°F)		18°C
(65°F)		19°C
(66°F)		22°C
(72°F)		24°C
(76°F)		26°C
(79°F)		28°C
(83°F)
Daily mean25°C
(77°F)		23°C
(74°F)		22°C
(71°F)		19°C
(66°F)		15°C
(59°F)		13°C
(55°F)		12°C
(54°F)		13°C
(55°F)		16°C
(61°F)		19°C
(66°F)		20°C
(69°F)		23°C
(73°F)
Average low20°C
(68°F)		19°C
(67°F)		18°C
(65°F)		14°C
(58°F)		11°C
(52°F)		9°C
(48°F)		7°C
(46°F)		8°C
(46°F)		10°C
(51°F)		13°C
(57°F)		15°C
(60°F)		18°C
(65°F)
Mean minimum16°C
(61°F)		15°C
(60°F)		14°C
(57°F)		10°C
(50°F)		6°C
(43°F)		6°C
(42°F)		3°C
(38°F)		4°C
(39°F)		6°C
(43°F)		9°C
(49°F)		11°C
(51°F)		14°C
(57°F)
Minimum12°C
(55°F)		15°C
(59°F)		13°C
(55°F)		7°C
(45°F)		4°C
(40°F)		5°C
(40°F)		2°C
(36°F)		3°C
(38°F)		5°C
(41°F)		8°C
(47°F)		10°C
(50°F)		13°C
(55°F)

Compare climate in Heddon Greta with other places

Compare temperature, precipitation, sunshine, UV index in Heddon Greta, Australia with other places around the world.

Monthly average precipitation in Heddon Greta, Australia

Heddon Greta usually has the most precipitation in February, March and December, with an average of 13 rainy days and 108 mm (4.3 inches) of precipitation per month. The driest months in Heddon Greta are May, August and September. On average, 28 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Heddon Greta. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)42 (1.6)92 (3.6)154 (6.1)31 (1.2)26 (1.0)50 (2.0)48 (1.9)27 (1.1)31 (1.2)67 (2.6)69 (2.7)79 (3.1)
Average precipitation days (≥ 1 mm)91216861155611912

Monthly sunshine hours in Heddon Greta, Australia

The sunniest months in Heddon Greta are October, November and December, when the sun shines an average of 10 hours 7 minutes a day. Least sunny months in Heddon Greta: 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 Heddon Greta. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours265276272268253222247277290298306327
Mean daily daylight hours14h 1m13h 15m12h 15m11h 14m10h 24m10h 0m10h 12m10h 55m11h 53m12h 53m13h 47m14h 15m

Solar UV radiation in Heddon Greta, Australia

Heddon Greta 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 Heddon Greta UV Index data.

Average daily maximum UV levels by month for Heddon Greta. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151412864468101215