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Monthly climate in Chiltern, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Chiltern features a humid subtropical climate (Cfa). Temperatures typically range between 7 °C (45 °F) and 24 °C (75 °F) through the year, but rarely can drop to -4 °C (26 °F) or can rise to as high as 43 °C (109 °F). The average annual precipitation amounts to about 802 mm (31.6 inches) and receives 92 rainy days on the 1 mm (0.04 inches) threshold annually. Chiltern enjoys an average of 3218 hours of sunshine throughout the year, and daylight varies from 9 hours 43 minutes to 14 hours 33 minutes per day.

Monthly average temperatures in Chiltern, Australia

The warmest months in Chiltern are January, February and December, with daily mean temperatures ranging from 21 to 24 °C (70 - 75 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 7 to 8 °C (45 - 46 °F) throughout the day. On average each year, Chiltern experiences 106 days above 25 °C (77.0 °F) and 17 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Chiltern. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum43°C
(109°F)		42°C
(108°F)		36°C
(97°F)		32°C
(90°F)		26°C
(79°F)		17°C
(63°F)		18°C
(64°F)		20°C
(68°F)		27°C
(81°F)		32°C
(89°F)		38°C
(101°F)		41°C
(106°F)
Mean maximum39°C
(102°F)		36°C
(98°F)		32°C
(90°F)		27°C
(81°F)		22°C
(72°F)		15°C
(59°F)		16°C
(62°F)		18°C
(65°F)		24°C
(75°F)		27°C
(81°F)		33°C
(92°F)		37°C
(98°F)
Average high31°C
(88°F)		28°C
(83°F)		26°C
(79°F)		21°C
(70°F)		16°C
(61°F)		13°C
(55°F)		12°C
(53°F)		13°C
(55°F)		16°C
(61°F)		20°C
(69°F)		24°C
(75°F)		28°C
(82°F)
Daily mean24°C
(75°F)		22°C
(71°F)		20°C
(68°F)		15°C
(59°F)		10°C
(51°F)		7°C
(45°F)		7°C
(45°F)		8°C
(46°F)		10°C
(51°F)		14°C
(58°F)		18°C
(64°F)		21°C
(70°F)
Average low17°C
(62°F)		15°C
(59°F)		13°C
(56°F)		9°C
(49°F)		6°C
(42°F)		3°C
(37°F)		3°C
(38°F)		3°C
(38°F)		4°C
(40°F)		8°C
(46°F)		11°C
(52°F)		14°C
(57°F)
Mean minimum10°C
(50°F)		8°C
(46°F)		7°C
(45°F)		4°C
(39°F)		1°C
(34°F)		-1°C
(30°F)		-2°C
(29°F)		-2°C
(28°F)		-1°C
(30°F)		2°C
(36°F)		3°C
(38°F)		7°C
(46°F)
Minimum9°C
(49°F)		6°C
(43°F)		5°C
(42°F)		2°C
(36°F)		-1°C
(30°F)		-3°C
(27°F)		-4°C
(26°F)		-4°C
(26°F)		-2°C
(28°F)		1°C
(34°F)		1°C
(35°F)		6°C
(43°F)

Compare climate in Chiltern with other places

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

Monthly average precipitation in Chiltern, Australia

Chiltern usually has the most precipitation in May, July and August, with an average of 10 rainy days and 81 mm (3.2 inches) of precipitation per month. The driest months in Chiltern are January, February and March. On average, 47 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chiltern. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)48 (1.9)36 (1.4)57 (2.2)62 (2.4)79 (3.1)65 (2.6)82 (3.2)83 (3.3)59 (2.3)79 (3.1)73 (2.9)77 (3.0)
Average precipitation days (≥ 1 mm)546588121191086

Monthly sunshine hours in Chiltern, Australia

The sunniest months in Chiltern are October, November and December, when the sun shines an average of 10 hours 35 minutes a day. Least sunny months in Chiltern: June, July and August receive an average of 6 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chiltern. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours289304298253223196198219261306311356
Mean daily daylight hours14h 17m13h 24m12h 16m11h 8m10h 11m9h 43m9h 57m10h 46m11h 51m13h 0m14h 1m14h 33m

Solar UV radiation in Chiltern, Australia

Chiltern experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 12 - 14, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Chiltern UV Index data.

Average daily maximum UV levels by month for Chiltern. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)14121175335791214