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Monthly climate in Grenfell, New South Wales, Australia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Grenfell features a humid subtropical climate (Cfa). Temperatures typically range between 8 °C (46 °F) and 25 °C (78 °F) through the year, but rarely can drop to -5 °C (24 °F) or can rise to as high as 43 °C (111 °F). The average annual precipitation amounts to about 607 mm (23.9 inches) and receives 74 rainy days on the 1 mm (0.04 inches) threshold annually. Grenfell enjoys an average of 3376 hours of sunshine throughout the year, and daylight varies from 9 hours 55 minutes to 14 hours 21 minutes per day.

Monthly average temperatures in Grenfell, New South Wales, Australia §

The warmest months in Grenfell are January, February and December, with daily mean temperatures ranging from 23 to 25 °C (73 - 78 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 8 to 8 °C (46 - 47 °F) throughout the day. On average each year, Grenfell experiences 129 days above 25 °C (77.0 °F) and 18 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Grenfell, New South Wales, 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 43°C
(111°F)		 43°C
(110°F)		 36°C
(97°F)		 33°C
(92°F)		 26°C
(79°F)		 20°C
(69°F)		 20°C
(69°F)		 22°C
(72°F)		 31°C
(87°F)		 35°C
(95°F)		 38°C
(100°F)		 42°C
(108°F)
Mean maximum 40°C
(104°F)		 38°C
(100°F)		 33°C
(92°F)		 28°C
(82°F)		 24°C
(75°F)		 17°C
(63°F)		 18°C
(64°F)		 20°C
(69°F)		 26°C
(80°F)		 30°C
(86°F)		 34°C
(93°F)		 38°C
(101°F)
Average high 33°C
(91°F)		 30°C
(86°F)		 27°C
(81°F)		 23°C
(73°F)		 17°C
(64°F)		 14°C
(57°F)		 13°C
(56°F)		 14°C
(57°F)		 18°C
(65°F)		 23°C
(73°F)		 26°C
(78°F)		 30°C
(85°F)
Daily mean 25°C
(78°F)		 23°C
(74°F)		 21°C
(69°F)		 16°C
(61°F)		 11°C
(52°F)		 8°C
(47°F)		 8°C
(46°F)		 8°C
(47°F)		 12°C
(53°F)		 16°C
(61°F)		 19°C
(66°F)		 23°C
(73°F)
Average low 19°C
(66°F)		 16°C
(62°F)		 15°C
(59°F)		 10°C
(50°F)		 6°C
(43°F)		 4°C
(39°F)		 3°C
(37°F)		 2°C
(37°F)		 5°C
(41°F)		 9°C
(48°F)		 12°C
(54°F)		 15°C
(60°F)
Mean minimum 13°C
(55°F)		 10°C
(49°F)		 8°C
(47°F)		 4°C
(39°F)		 -0°C
(32°F)		 -1°C
(30°F)		 -3°C
(27°F)		 -3°C
(27°F)		 -2°C
(29°F)		 2°C
(36°F)		 4°C
(40°F)		 8°C
(47°F)
Minimum 9°C
(49°F)		 7°C
(46°F)		 5°C
(41°F)		 1°C
(34°F)		 -3°C
(27°F)		 -3°C
(27°F)		 -5°C
(24°F)		 -4°C
(25°F)		 -3°C
(27°F)		 1°C
(34°F)		 0°C
(32°F)		 6°C
(42°F)

Compare climate in Grenfell with other places

Compare temperature, precipitation, sunshine, UV index in Grenfell, New South Wales, Australia with other places around the world.

Monthly average precipitation in Grenfell, New South Wales, Australia §

Grenfell usually has the most precipitation in March, October and November, with an average of 7 rainy days and 71 mm (2.8 inches) of precipitation per month. The driest months in Grenfell are January, April and September. On average, 35 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grenfell, New South Wales, 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) 38 (1.5) 44 (1.7) 75 (2.9) 27 (1.1) 42 (1.7) 53 (2.1) 43 (1.7) 51 (2.0) 39 (1.6) 58 (2.3) 79 (3.1) 57 (2.2)
Average precipitation days (≥ 1 mm) 5 5 8 2 5 7 8 8 5 8 7 6

Monthly sunshine hours in Grenfell, New South Wales, Australia §

The sunniest months in Grenfell are October, November and December, when the sun shines an average of 10 hours 53 minutes a day. Least sunny months in Grenfell: June, July and August receive an average of 7 hours 20 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grenfell, New South Wales, 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 295 310 299 274 243 208 223 243 273 312 319 370
Mean daily daylight hours 14h 6m 13h 17m 12h 15m 11h 12m 10h 20m 9h 55m 10h 7m 10h 52m 11h 52m 12h 55m 13h 51m 14h 21m

Solar UV radiation in Grenfell, New South Wales, Australia §

Grenfell experiences the highest level of ultraviolet (UV) radiation in January, February 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 exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Grenfell UV Index data.

Average daily maximum UV levels by month for Grenfell, New South Wales, 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 8 5 3 4 6 8 10 13 15

Detailed Monthly Weather Insights for Grenfell, New South Wales, Australia

Discover in-depth weather details for every month in Grenfell. 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 Grenfell'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.