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Monthly climate in Merredin, Western Australia, Australia

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Merredin features a cold semi-arid climate (BSk).Temperatures typically range between 11 °C (53 °F) and 26 °C (79 °F) through the year, but rarely can drop to -1 °C (31 °F) or can rise to as high as 44 °C (112 °F).The average annual precipitation amounts to about 279 mm (11.0 inches) and receives 42 rainy days on the 1 mm (0.04 inches) threshold annually.Merredin enjoys an average of 3615 hours of sunshine throughout the year, and daylight varies from 10 hours 6 minutes to 14 hours 8 minutes per day.

Monthly average temperatures in Merredin, Western Australia, Australia §

The warmest months in Merredin are January, February and December, with daily mean temperatures ranging from 25 to 26 °C (77 - 79 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 11 to 12 °C (53 - 54 °F) throughout the day. On average each year, Merredin experiences 166 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 Merredin, Western Australia, 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 44°C
(112°F)		 42°C
(108°F)		 40°C
(105°F)		 37°C
(99°F)		 29°C
(85°F)		 28°C
(82°F)		 24°C
(76°F)		 29°C
(84°F)		 32°C
(91°F)		 36°C
(97°F)		 42°C
(107°F)		 43°C
(109°F)
Mean maximum 42°C
(108°F)		 40°C
(104°F)		 38°C
(101°F)		 34°C
(93°F)		 28°C
(83°F)		 23°C
(73°F)		 21°C
(70°F)		 25°C
(78°F)		 30°C
(87°F)		 34°C
(93°F)		 38°C
(101°F)		 40°C
(104°F)
Average high 34°C
(93°F)		 32°C
(90°F)		 30°C
(86°F)		 26°C
(79°F)		 21°C
(70°F)		 18°C
(65°F)		 17°C
(62°F)		 17°C
(63°F)		 21°C
(71°F)		 25°C
(77°F)		 29°C
(84°F)		 33°C
(91°F)
Daily mean 26°C
(79°F)		 25°C
(77°F)		 23°C
(74°F)		 19°C
(67°F)		 14°C
(58°F)		 12°C
(54°F)		 11°C
(53°F)		 11°C
(53°F)		 14°C
(58°F)		 18°C
(64°F)		 21°C
(70°F)		 25°C
(77°F)
Average low 18°C
(65°F)		 19°C
(66°F)		 17°C
(63°F)		 14°C
(57°F)		 9°C
(48°F)		 7°C
(46°F)		 7°C
(44°F)		 6°C
(43°F)		 8°C
(46°F)		 10°C
(51°F)		 13°C
(56°F)		 17°C
(62°F)
Mean minimum 12°C
(54°F)		 12°C
(54°F)		 10°C
(50°F)		 7°C
(45°F)		 3°C
(38°F)		 3°C
(38°F)		 2°C
(37°F)		 2°C
(35°F)		 2°C
(35°F)		 5°C
(41°F)		 7°C
(45°F)		 9°C
(49°F)
Minimum 10°C
(50°F)		 9°C
(48°F)		 7°C
(45°F)		 4°C
(40°F)		 1°C
(34°F)		 0°C
(33°F)		 1°C
(34°F)		 1°C
(33°F)		 -1°C
(31°F)		 3°C
(38°F)		 6°C
(42°F)		 6°C
(44°F)

Compare climate in Merredin with other places

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

Monthly average precipitation in Merredin, Western Australia, Australia §

Merredin usually has the most precipitation in February, July and August, with an average of 6 rainy days and 38 mm (1.5 inches) of precipitation per month.The driest months in Merredin are January, September and December. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Merredin, Western Australia, 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) 14 (0.6) 34 (1.3) 22 (0.9) 17 (0.7) 27 (1.1) 33 (1.3) 44 (1.7) 36 (1.4) 12 (0.5) 18 (0.7) 14 (0.6) 7 (0.3)
Average precipitation days (≥ 1 mm) 1 5 2 2 3 5 8 7 3 3 2 1

Monthly sunshine hours in Merredin, Western Australia, Australia §

The sunniest months in Merredin are October, November and December, when the sun shines an average of 11 hours 26 minutes a day.Least sunny months in Merredin: May, June and July receive an average of 8 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Merredin, Western Australia, 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 305 299 319 284 272 248 263 276 291 326 349 377
Mean daily daylight hours 13h 55m 13h 11m 12h 14m 11h 17m 10h 30m 10h 6m 10h 18m 10h 59m 11h 53m 12h 51m 13h 42m 14h 8m

Solar UV radiation in Merredin, Western Australia, Australia §

Merredin experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 15 - 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 Merredin UV Index data.

Average daily maximum UV levels by month for Merredin, Western Australia, 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 15 13 9 6 4 5 6 9 11 14 15