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Monthly climate in West Arnhem, Northern Territory, Australia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification West Arnhem features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (77 °F) and 29 °C (85 °F) through the year, but rarely can drop to 13 °C (55 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1147 mm (45.2 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually. West Arnhem enjoys an average of 3476 hours of sunshine throughout the year, and daylight varies from 11 hours 24 minutes to 12 hours 49 minutes per day.

Monthly average temperatures in West Arnhem, Northern Territory, Australia §

The warmest months in West Arnhem are October, November and December, with daily mean temperatures ranging from 29 to 29 °C (84 - 85 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 25 to 26 °C (77 - 78 °F) throughout the day. On average each year, West Arnhem experiences 329 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 West Arnhem, Northern Territory, 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
(98°F)		 36°C
(98°F)		 36°C
(97°F)		 35°C
(96°F)		 34°C
(94°F)		 35°C
(94°F)		 36°C
(97°F)		 37°C
(99°F)		 39°C
(102°F)		 39°C
(102°F)		 39°C
(102°F)
Mean maximum 35°C
(96°F)		 35°C
(95°F)		 36°C
(97°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(91°F)		 34°C
(93°F)		 35°C
(95°F)		 36°C
(97°F)		 38°C
(100°F)		 38°C
(100°F)		 37°C
(99°F)
Average high 32°C
(90°F)		 32°C
(90°F)		 32°C
(91°F)		 33°C
(91°F)		 32°C
(90°F)		 31°C
(88°F)		 32°C
(89°F)		 33°C
(91°F)		 34°C
(93°F)		 35°C
(95°F)		 35°C
(95°F)		 34°C
(94°F)
Daily mean 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(80°F)		 25°C
(77°F)		 25°C
(77°F)		 26°C
(78°F)		 27°C
(81°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(85°F)
Average low 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 23°C
(74°F)		 22°C
(72°F)		 20°C
(68°F)		 19°C
(67°F)		 19°C
(67°F)		 21°C
(69°F)		 23°C
(74°F)		 25°C
(77°F)		 26°C
(78°F)
Mean minimum 24°C
(75°F)		 23°C
(74°F)		 23°C
(74°F)		 20°C
(69°F)		 18°C
(65°F)		 17°C
(63°F)		 15°C
(60°F)		 15°C
(59°F)		 17°C
(63°F)		 21°C
(70°F)		 22°C
(73°F)		 24°C
(76°F)
Minimum 23°C
(74°F)		 23°C
(74°F)		 22°C
(73°F)		 19°C
(66°F)		 17°C
(63°F)		 13°C
(55°F)		 14°C
(58°F)		 13°C
(56°F)		 14°C
(58°F)		 18°C
(65°F)		 21°C
(70°F)		 24°C
(75°F)

Compare climate in West Arnhem with other places

Compare temperature, precipitation, sunshine, UV index in West Arnhem, Northern Territory, Australia with other places around the world.

Monthly average precipitation in West Arnhem, Northern Territory, Australia §

West Arnhem usually has the most precipitation in January, February and March, with an average of 22 rainy days and 265 mm (10.4 inches) of precipitation per month. The driest months in West Arnhem are June, July and August. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in West Arnhem, Northern Territory, 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) 266 (10.5) 304 (12.0) 224 (8.8) 118 (4.7) 13 (0.5) 1 (0.1) 1 (0.1) 1 (0.0) 2 (0.1) 15 (0.6) 56 (2.2) 147 (5.8)
Average precipitation days (≥ 1 mm) 22 22 24 11 1 0 0 0 0 3 9 15

Monthly sunshine hours in West Arnhem, Northern Territory, Australia §

The sunniest months in West Arnhem are August, October and November, when the sun shines an average of 10 hours 23 minutes a day. Least sunny months in West Arnhem: January, February and April receive an average of 8 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in West Arnhem, Northern Territory, 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 212 245 282 273 302 291 302 312 309 324 318 299
Mean daily daylight hours 12h 44m 12h 28m 12h 8m 11h 48m 11h 32m 11h 24m 11h 28m 11h 42m 12h 1m 12h 21m 12h 39m 12h 49m

Solar UV radiation in West Arnhem, Northern Territory, Australia §

West Arnhem experiences the highest level of ultraviolet (UV) radiation in January, February and March, 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 Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly West Arnhem UV Index data.

Average daily maximum UV levels by month for West Arnhem, Northern Territory, 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) 16 16 16 14 11 9 10 13 15 16 15 15

Detailed Monthly Weather Insights for West Arnhem, Northern Territory, Australia

Discover in-depth weather details for every month in West Arnhem. 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 West Arnhem'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.