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Monthly climate in Jamestown, South Australia, Australia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Jamestown features a cold semi-arid climate (BSk). Temperatures typically range between 9 °C (48 °F) and 23 °C (74 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 44 °C (111 °F). The average annual precipitation amounts to about 343 mm (13.5 inches) and receives 60 rainy days on the 1 mm (0.04 inches) threshold annually. Jamestown enjoys an average of 3445 hours of sunshine throughout the year, and daylight varies from 9 hours 58 minutes to 14 hours 17 minutes per day.

Monthly average temperatures in Jamestown, South Australia, Australia §

The warmest months in Jamestown are January, February and December, with daily mean temperatures ranging from 21 to 23 °C (71 - 74 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 9 to 9 °C (48 - 49 °F) throughout the day. On average each year, Jamestown experiences 114 days above 25 °C (77.0 °F) and 3 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Jamestown, South 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
(111°F)		 40°C
(104°F)		 37°C
(99°F)		 35°C
(96°F)		 26°C
(79°F)		 21°C
(71°F)		 21°C
(70°F)		 24°C
(75°F)		 30°C
(86°F)		 36°C
(98°F)		 40°C
(105°F)		 43°C
(110°F)
Mean maximum 40°C
(104°F)		 37°C
(99°F)		 34°C
(94°F)		 31°C
(88°F)		 23°C
(74°F)		 18°C
(65°F)		 20°C
(68°F)		 22°C
(72°F)		 28°C
(83°F)		 32°C
(89°F)		 35°C
(96°F)		 38°C
(100°F)
Average high 30°C
(86°F)		 28°C
(82°F)		 27°C
(80°F)		 23°C
(73°F)		 17°C
(63°F)		 14°C
(58°F)		 14°C
(57°F)		 14°C
(58°F)		 18°C
(65°F)		 22°C
(72°F)		 25°C
(76°F)		 28°C
(83°F)
Daily mean 23°C
(74°F)		 22°C
(71°F)		 20°C
(69°F)		 17°C
(62°F)		 12°C
(53°F)		 9°C
(48°F)		 9°C
(49°F)		 9°C
(49°F)		 12°C
(55°F)		 16°C
(60°F)		 18°C
(65°F)		 21°C
(71°F)
Average low 17°C
(62°F)		 15°C
(60°F)		 14°C
(58°F)		 11°C
(52°F)		 7°C
(45°F)		 5°C
(41°F)		 5°C
(41°F)		 5°C
(41°F)		 6°C
(44°F)		 9°C
(49°F)		 12°C
(53°F)		 14°C
(58°F)
Mean minimum 11°C
(51°F)		 9°C
(49°F)		 8°C
(47°F)		 6°C
(42°F)		 3°C
(37°F)		 1°C
(33°F)		 -0°C
(31°F)		 -0°C
(32°F)		 1°C
(35°F)		 3°C
(39°F)		 5°C
(41°F)		 8°C
(46°F)
Minimum 10°C
(50°F)		 9°C
(48°F)		 7°C
(44°F)		 3°C
(37°F)		 1°C
(35°F)		 -1°C
(31°F)		 -1°C
(30°F)		 -1°C
(30°F)		 0°C
(32°F)		 2°C
(37°F)		 2°C
(37°F)		 7°C
(44°F)

Compare climate in Jamestown with other places

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

Monthly average precipitation in Jamestown, South Australia, Australia §

Jamestown usually has the most precipitation in August, October and November, with an average of 7 rainy days and 41 mm (1.6 inches) of precipitation per month. The driest months in Jamestown are January, March and December. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Jamestown, South 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 (0.5) 22 (0.9) 8 (0.3) 26 (1.0) 31 (1.2) 34 (1.3) 34 (1.3) 51 (2.0) 29 (1.2) 34 (1.3) 39 (1.5) 22 (0.9)
Average precipitation days (≥ 1 mm) 3 2 2 4 6 5 6 9 6 6 7 4

Monthly sunshine hours in Jamestown, South Australia, Australia §

The sunniest months in Jamestown are March, November and December, when the sun shines an average of 10 hours 52 minutes a day. Least sunny months in Jamestown: May, June and July receive an average of 7 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Jamestown, South 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 294 305 316 267 248 227 241 257 286 314 326 358
Mean daily daylight hours 14h 3m 13h 15m 12h 15m 11h 13m 10h 23m 9h 58m 10h 11m 10h 54m 11h 53m 12h 54m 13h 49m 14h 17m

Solar UV radiation in Jamestown, South Australia, Australia §

Jamestown experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 14 - 16, 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 Jamestown UV Index data.

Average daily maximum UV levels by month for Jamestown, South 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 9 6 4 4 6 8 11 13 16

Detailed Monthly Weather Insights for Jamestown, South Australia, Australia

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