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Monthly climate in Collinsville, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Collinsville features a hot semi-arid climate (BSh). Temperatures typically range between 18 °C (65 °F) and 27 °C (82 °F) through the year, but rarely can drop to 2 °C (36 °F) or can rise to as high as 42 °C (107 °F). The average annual precipitation amounts to about 770 mm (30.3 inches) and receives 63 rainy days on the 1 mm (0.04 inches) threshold annually. Collinsville enjoys an average of 3469 hours of sunshine throughout the year, and daylight varies from 10 hours 53 minutes to 13 hours 20 minutes per day.

Monthly average temperatures in Collinsville, Australia

The warmest months in Collinsville are January, February and December, with daily mean temperatures ranging from 27 to 27 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 18 to 19 °C (65 - 66 °F) throughout the day. On average each year, Collinsville experiences 296 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 Collinsville. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum42°C
(107°F)		41°C
(107°F)		39°C
(103°F)		35°C
(95°F)		32°C
(89°F)		29°C
(84°F)		31°C
(87°F)		31°C
(89°F)		34°C
(94°F)		37°C
(100°F)		41°C
(106°F)		39°C
(103°F)
Mean maximum37°C
(98°F)		37°C
(99°F)		35°C
(95°F)		32°C
(91°F)		30°C
(87°F)		27°C
(80°F)		28°C
(83°F)		30°C
(86°F)		33°C
(91°F)		36°C
(96°F)		37°C
(99°F)		38°C
(100°F)
Average high32°C
(91°F)		32°C
(91°F)		32°C
(89°F)		30°C
(86°F)		27°C
(80°F)		25°C
(77°F)		26°C
(78°F)		27°C
(80°F)		29°C
(84°F)		32°C
(89°F)		33°C
(92°F)		34°C
(93°F)
Daily mean27°C
(81°F)		27°C
(81°F)		26°C
(80°F)		24°C
(75°F)		21°C
(70°F)		18°C
(65°F)		18°C
(65°F)		19°C
(66°F)		21°C
(71°F)		25°C
(77°F)		26°C
(79°F)		27°C
(82°F)
Average low23°C
(73°F)		23°C
(73°F)		22°C
(72°F)		19°C
(67°F)		15°C
(60°F)		12°C
(54°F)		11°C
(53°F)		12°C
(53°F)		14°C
(58°F)		19°C
(67°F)		21°C
(70°F)		22°C
(72°F)
Mean minimum20°C
(68°F)		19°C
(67°F)		18°C
(64°F)		14°C
(57°F)		8°C
(47°F)		5°C
(41°F)		4°C
(40°F)		4°C
(40°F)		9°C
(49°F)		14°C
(58°F)		17°C
(63°F)		19°C
(67°F)
Minimum19°C
(66°F)		18°C
(65°F)		16°C
(62°F)		7°C
(45°F)		6°C
(43°F)		2°C
(36°F)		2°C
(36°F)		2°C
(36°F)		6°C
(44°F)		11°C
(53°F)		15°C
(60°F)		19°C
(66°F)

Compare climate in Collinsville with other places

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

Monthly average precipitation in Collinsville, Australia

Collinsville usually has the most precipitation in January, February and March, with an average of 10 rainy days and 155 mm (6.1 inches) of precipitation per month. The driest months in Collinsville are July, August and September. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Collinsville. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)154 (6.1)172 (6.8)138 (5.4)46 (1.8)51 (2.0)14 (0.6)11 (0.4)12 (0.5)13 (0.5)26 (1.0)35 (1.4)95 (3.7)
Average precipitation days (≥ 1 mm)101012643110448

Monthly sunshine hours in Collinsville, Australia

The sunniest months in Collinsville are October, November and December, when the sun shines an average of 10 hours 37 minutes a day. Least sunny months in Collinsville: January, February and June receive an average of 8 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Collinsville. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours242268284283273259279297303317327332
Mean daily daylight hours13h 12m12h 45m12h 10m11h 36m11h 7m10h 53m11h 0m11h 25m11h 58m12h 33m13h 4m13h 20m

Solar UV radiation in Collinsville, Australia

Collinsville experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 16 - 16, which corresponds to the Extreme category of sun exposure. May, June and July are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Collinsville UV Index data.

Average daily maximum UV levels by month for Collinsville. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161615129781113141616