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Monthly climate in Geraldton, Western Australia, Australia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Geraldton features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 16 °C (62 °F) and 24 °C (76 °F) through the year, but rarely can drop to 10 °C (51 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 294 mm (11.6 inches) and receives 45 rainy days on the 1 mm (0.04 inches) threshold annually. Geraldton enjoys an average of 3724 hours of sunshine throughout the year, and daylight varies from 10 hours 19 minutes to 13 hours 55 minutes per day.

Monthly average temperatures in Geraldton, Western Australia, Australia §

The warmest months in Geraldton are January, February and March, with daily mean temperatures ranging from 24 to 24 °C (75 - 76 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 16 to 17 °C (62 - 63 °F) throughout the day. On average each year, Geraldton experiences 96 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 Geraldton, 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 37°C
(98°F)		 37°C
(99°F)		 34°C
(93°F)		 34°C
(94°F)		 28°C
(83°F)		 26°C
(80°F)		 24°C
(76°F)		 26°C
(78°F)		 28°C
(83°F)		 31°C
(88°F)		 33°C
(92°F)		 37°C
(98°F)
Mean maximum 34°C
(93°F)		 34°C
(93°F)		 32°C
(91°F)		 31°C
(89°F)		 27°C
(81°F)		 23°C
(75°F)		 23°C
(73°F)		 23°C
(74°F)		 26°C
(80°F)		 28°C
(83°F)		 30°C
(87°F)		 34°C
(94°F)
Average high 26°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 25°C
(77°F)		 23°C
(73°F)		 21°C
(69°F)		 19°C
(67°F)		 19°C
(66°F)		 20°C
(68°F)		 21°C
(70°F)		 23°C
(73°F)		 25°C
(78°F)
Daily mean 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°F)		 22°C
(72°F)		 20°C
(68°F)		 18°C
(64°F)		 17°C
(62°F)		 16°C
(62°F)		 17°C
(63°F)		 19°C
(66°F)		 20°C
(69°F)		 23°C
(73°F)
Average low 21°C
(71°F)		 22°C
(72°F)		 22°C
(72°F)		 20°C
(68°F)		 17°C
(63°F)		 15°C
(60°F)		 15°C
(59°F)		 14°C
(58°F)		 15°C
(59°F)		 16°C
(62°F)		 18°C
(65°F)		 20°C
(69°F)
Mean minimum 18°C
(65°F)		 19°C
(66°F)		 18°C
(65°F)		 16°C
(62°F)		 13°C
(56°F)		 12°C
(54°F)		 12°C
(53°F)		 11°C
(52°F)		 12°C
(54°F)		 13°C
(56°F)		 15°C
(59°F)		 17°C
(62°F)
Minimum 17°C
(63°F)		 18°C
(64°F)		 17°C
(62°F)		 14°C
(58°F)		 11°C
(52°F)		 11°C
(52°F)		 11°C
(52°F)		 10°C
(51°F)		 11°C
(52°F)		 12°C
(54°F)		 13°C
(57°F)		 15°C
(58°F)

Compare climate in Geraldton with other places

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

Monthly average precipitation in Geraldton, Western Australia, Australia §

Geraldton usually has the most precipitation in June, July and August, with an average of 8 rainy days and 55 mm (2.2 inches) of precipitation per month. The driest months in Geraldton are March, April and December. On average, 6 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Geraldton, 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) 11 (0.4) 22 (0.9) 3 (0.1) 11 (0.4) 26 (1.0) 58 (2.3) 58 (2.3) 50 (2.0) 17 (0.7) 18 (0.7) 14 (0.6) 5 (0.2)
Average precipitation days (≥ 1 mm) 1 3 0 1 4 7 9 9 4 4 2 1

Monthly sunshine hours in Geraldton, Western Australia, Australia §

The sunniest months in Geraldton are October, November and December, when the sun shines an average of 11 hours 30 minutes a day. Least sunny months in Geraldton: May, June and July receive an average of 9 hours 8 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Geraldton, 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 299 311 320 292 286 272 282 295 303 336 346 374
Mean daily daylight hours 13h 43m 13h 4m 12h 13m 11h 22m 10h 40m 10h 19m 10h 29m 11h 6m 11h 54m 12h 46m 13h 32m 13h 55m

Solar UV radiation in Geraldton, Western Australia, Australia §

Geraldton experiences the highest level of ultraviolet (UV) radiation in January, November 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 7. For more detailed information, check out our hourly Geraldton UV Index data.

Average daily maximum UV levels by month for Geraldton, 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 14 12 10 7 5 5 7 9 12 14 14

Detailed Monthly Weather Insights for Geraldton, Western Australia, Australia

Discover in-depth weather details for every month in Geraldton. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Geraldton's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.