Monthly climate in Gloucester, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gloucester features a oceanic climate (Cfb). Temperatures typically range between 11 °C (51 °F) and 24 °C (75 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 43 °C (110 °F). The average annual precipitation amounts to about 848 mm (33.4 inches) and receives 116 rainy days on the 1 mm (0.04 inches) threshold annually. Gloucester enjoys an average of 3340 hours of sunshine throughout the year, and daylight varies from 10 hours 4 minutes to 14 hours 11 minutes per day.

Monthly average temperatures in Gloucester, Australia

The warmest months in Gloucester are January, February and December, with daily mean temperatures ranging from 22 to 24 °C (72 - 75 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 11 to 12 °C (51 - 53 °F) throughout the day. On average each year, Gloucester experiences 125 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 Gloucester. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum43°C
(110°F)
43°C
(110°F)
37°C
(98°F)
32°C
(90°F)
27°C
(80°F)
24°C
(75°F)
26°C
(79°F)
28°C
(82°F)
34°C
(94°F)
35°C
(95°F)
40°C
(104°F)
40°C
(105°F)
Mean maximum38°C
(101°F)
37°C
(99°F)
34°C
(93°F)
29°C
(85°F)
25°C
(78°F)
20°C
(69°F)
24°C
(76°F)
26°C
(79°F)
31°C
(89°F)
33°C
(91°F)
34°C
(94°F)
38°C
(101°F)
Average high30°C
(87°F)
28°C
(83°F)
26°C
(78°F)
24°C
(75°F)
20°C
(69°F)
17°C
(63°F)
18°C
(65°F)
20°C
(68°F)
23°C
(74°F)
25°C
(77°F)
26°C
(80°F)
28°C
(84°F)
Daily mean24°C
(75°F)
22°C
(72°F)
20°C
(69°F)
17°C
(63°F)
14°C
(57°F)
11°C
(53°F)
11°C
(51°F)
12°C
(53°F)
15°C
(59°F)
18°C
(64°F)
19°C
(67°F)
22°C
(72°F)
Average low18°C
(65°F)
17°C
(63°F)
16°C
(62°F)
12°C
(54°F)
9°C
(48°F)
7°C
(45°F)
5°C
(41°F)
5°C
(42°F)
8°C
(46°F)
12°C
(53°F)
13°C
(56°F)
16°C
(61°F)
Mean minimum13°C
(55°F)
12°C
(54°F)
11°C
(52°F)
7°C
(45°F)
3°C
(37°F)
3°C
(38°F)
-0°C
(32°F)
1°C
(34°F)
3°C
(37°F)
6°C
(43°F)
7°C
(45°F)
11°C
(52°F)
Minimum8°C
(47°F)
11°C
(52°F)
10°C
(49°F)
4°C
(39°F)
1°C
(34°F)
1°C
(35°F)
-2°C
(29°F)
-0°C
(31°F)
1°C
(34°F)
4°C
(39°F)
7°C
(45°F)
10°C
(50°F)

Compare climate in Gloucester with other places

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

Monthly average precipitation in Gloucester, Australia

Gloucester usually has the most precipitation in February, March and December, with an average of 15 rainy days and 140 mm (5.5 inches) of precipitation per month. The driest months in Gloucester are May, August and September. On average, 24 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gloucester. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)81 (3.2)130 (5.1)199 (7.8)37 (1.5)24 (0.9)45 (1.8)33 (1.3)17 (0.7)30 (1.2)84 (3.3)76 (3.0)91 (3.6)
Average precipitation days (≥ 1 mm)1114171059435131114

Monthly sunshine hours in Gloucester, Australia

The sunniest months in Gloucester are October, November and December, when the sun shines an average of 10 hours 13 minutes a day. Least sunny months in Gloucester: May, June and July receive an average of 7 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gloucester. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours269280273269254225251281294297308334
Mean daily daylight hours13h 57m13h 12m12h 14m11h 16m10h 28m10h 4m10h 16m10h 57m11h 53m12h 52m13h 44m14h 11m

Solar UV radiation in Gloucester, Australia

Gloucester 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 / 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 Gloucester UV Index data.

Average daily maximum UV levels by month for Gloucester. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151412864478111315