Monthly climate in Mortlake, Victoria, Australia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Mortlake features a oceanic climate (Cfb). Temperatures typically range between 9 °C (48 °F) and 19 °C (67 °F) through the year, but rarely can drop to -3 °C (28 °F) or can rise to as high as 43 °C (109 °F). The average annual precipitation amounts to about 661 mm (26.0 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually. Mortlake enjoys an average of 3097 hours of sunshine throughout the year, and daylight varies from 9 hours 32 minutes to 14 hours 44 minutes per day.

Monthly average temperatures in Mortlake, Victoria, Australia §

The warmest months in Mortlake are January, February and March, with daily mean temperatures ranging from 17 to 19 °C (63 - 67 °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 - 48 °F) throughout the day. On average each year, Mortlake experiences 59 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mortlake, Victoria, 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 41°C
(105°F)
39°C
(102°F)
37°C
(100°F)
32°C
(90°F)
23°C
(74°F)
18°C
(64°F)
17°C
(64°F)
20°C
(67°F)
26°C
(78°F)
32°C
(89°F)
34°C
(93°F)
43°C
(109°F)
Mean maximum 38°C
(101°F)
36°C
(96°F)
33°C
(92°F)
28°C
(83°F)
21°C
(70°F)
15°C
(60°F)
16°C
(62°F)
17°C
(64°F)
23°C
(74°F)
28°C
(83°F)
32°C
(89°F)
37°C
(99°F)
Average high 26°C
(80°F)
24°C
(76°F)
23°C
(74°F)
19°C
(67°F)
15°C
(60°F)
13°C
(56°F)
12°C
(54°F)
13°C
(55°F)
15°C
(59°F)
18°C
(64°F)
21°C
(70°F)
23°C
(74°F)
Daily mean 19°C
(67°F)
18°C
(64°F)
17°C
(63°F)
14°C
(58°F)
11°C
(52°F)
9°C
(48°F)
9°C
(48°F)
9°C
(48°F)
10°C
(51°F)
13°C
(55°F)
15°C
(59°F)
17°C
(62°F)
Average low 13°C
(55°F)
12°C
(54°F)
12°C
(54°F)
10°C
(49°F)
7°C
(46°F)
6°C
(43°F)
6°C
(42°F)
5°C
(42°F)
6°C
(43°F)
7°C
(46°F)
9°C
(49°F)
10°C
(51°F)
Mean minimum 7°C
(45°F)
6°C
(43°F)
6°C
(43°F)
4°C
(40°F)
2°C
(36°F)
1°C
(34°F)
0°C
(33°F)
1°C
(34°F)
-0°C
(32°F)
2°C
(36°F)
3°C
(38°F)
5°C
(41°F)
Minimum 5°C
(42°F)
4°C
(40°F)
5°C
(40°F)
3°C
(37°F)
-0°C
(31°F)
-0°C
(32°F)
-2°C
(29°F)
-1°C
(31°F)
-3°C
(28°F)
0°C
(32°F)
1°C
(35°F)
3°C
(37°F)

Compare climate in Mortlake with other places

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

Monthly average precipitation in Mortlake, Victoria, Australia §

Mortlake usually has the most precipitation in September, October and November, with an average of 10 rainy days and 72 mm (2.8 inches) of precipitation per month. The driest months in Mortlake are January, February and June. On average, 37 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mortlake, Victoria, 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) 40 (1.6) 32 (1.2) 41 (1.6) 51 (2.0) 69 (2.7) 40 (1.6) 58 (2.3) 69 (2.7) 69 (2.7) 74 (2.9) 73 (2.9) 46 (1.8)
Average precipitation days (≥ 1 mm) 3 5 7 7 11 9 12 15 12 11 9 6

Monthly sunshine hours in Mortlake, Victoria, Australia §

The sunniest months in Mortlake are February, November and December, when the sun shines an average of 10 hours 19 minutes a day. Least sunny months in Mortlake: May, June and July receive an average of 6 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mortlake, Victoria, 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 285 287 284 231 207 190 206 228 255 278 304 336
Mean daily daylight hours 14h 27m 13h 30m 12h 17m 11h 4m 10h 3m 9h 32m 9h 48m 10h 40m 11h 50m 13h 4m 14h 10m 14h 44m

Solar UV radiation in Mortlake, Victoria, Australia §

Mortlake experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 12 - 14, 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 4. For more detailed information, check out our hourly Mortlake UV Index data.

Average daily maximum UV levels by month for Mortlake, Victoria, 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) 14 12 11 7 4 3 3 5 7 9 12 14

Detailed Monthly Weather Insights for Mortlake, Victoria, Australia

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