Monthly climate in St Austell, England, United Kingdom

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification St Austell features a oceanic climate (Cfb). Temperatures typically range between 7 °C (46 °F) and 17 °C (63 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 26 °C (80 °F). The average annual precipitation amounts to about 1013 mm (39.9 inches) and receives 158 rainy days on the 1 mm (0.04 inches) threshold annually. St Austell enjoys an average of 3329 hours of sunshine throughout the year, and daylight varies from 8 hours 5 minutes to 16 hours 20 minutes per day.

Monthly average temperatures in St Austell, England, United Kingdom §

The warmest months in St Austell are July, August and September, with daily mean temperatures ranging from 15 to 17 °C (60 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 7 to 8 °C (46 - 47 °F) throughout the day. On average each year, St Austell experiences 0 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 St Austell, England, United Kingdom. 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 14°C
(58°F)
14°C
(57°F)
15°C
(60°F)
20°C
(68°F)
22°C
(72°F)
26°C
(80°F)
26°C
(79°F)
24°C
(75°F)
24°C
(76°F)
19°C
(67°F)
16°C
(61°F)
14°C
(58°F)
Mean maximum 13°C
(55°F)
13°C
(55°F)
14°C
(57°F)
17°C
(63°F)
19°C
(67°F)
22°C
(72°F)
23°C
(74°F)
22°C
(73°F)
21°C
(70°F)
18°C
(64°F)
15°C
(59°F)
13°C
(56°F)
Average high 9°C
(49°F)
10°C
(50°F)
10°C
(51°F)
12°C
(55°F)
15°C
(59°F)
18°C
(64°F)
20°C
(68°F)
19°C
(66°F)
18°C
(64°F)
15°C
(59°F)
12°C
(53°F)
10°C
(51°F)
Daily mean 7°C
(46°F)
8°C
(46°F)
8°C
(47°F)
10°C
(50°F)
12°C
(54°F)
15°C
(59°F)
17°C
(63°F)
17°C
(62°F)
15°C
(60°F)
13°C
(55°F)
10°C
(50°F)
9°C
(48°F)
Average low 6°C
(42°F)
6°C
(43°F)
6°C
(43°F)
7°C
(45°F)
9°C
(49°F)
12°C
(55°F)
14°C
(58°F)
14°C
(58°F)
13°C
(55°F)
11°C
(51°F)
8°C
(47°F)
7°C
(45°F)
Mean minimum 1°C
(34°F)
1°C
(35°F)
2°C
(35°F)
3°C
(37°F)
5°C
(41°F)
9°C
(48°F)
12°C
(53°F)
11°C
(52°F)
9°C
(49°F)
6°C
(43°F)
3°C
(38°F)
3°C
(38°F)
Minimum -1°C
(31°F)
-2°C
(28°F)
-4°C
(25°F)
2°C
(35°F)
4°C
(39°F)
8°C
(47°F)
10°C
(50°F)
10°C
(51°F)
8°C
(46°F)
2°C
(35°F)
2°C
(37°F)
1°C
(35°F)

Compare climate in St Austell with other places

Compare temperature, precipitation, sunshine, UV index in St Austell, England, United Kingdom with other places around the world.

Monthly average precipitation in St Austell, England, United Kingdom §

St Austell usually has the most precipitation in October, November and December, with an average of 16 rainy days and 112 mm (4.4 inches) of precipitation per month. The driest months in St Austell are January, April and September. On average, 63 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in St Austell, England, United Kingdom. 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) 68 (2.7) 91 (3.6) 88 (3.5) 52 (2.0) 77 (3.0) 85 (3.3) 75 (3.0) 71 (2.8) 68 (2.7) 118 (4.7) 98 (3.9) 120 (4.7)
Average precipitation days (≥ 1 mm) 11 15 16 8 12 13 11 12 11 15 15 19

Monthly sunshine hours in St Austell, England, United Kingdom §

The sunniest months in St Austell are May, June and July, when the sun shines an average of 13 hours 28 minutes a day. Least sunny months in St Austell: January, November and December receive an average of 3 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in St Austell, England, United Kingdom. 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 94 158 234 354 407 406 425 388 328 260 151 117
Mean daily daylight hours 8h 33m 10h 3m 11h 55m 13h 49m 15h 28m 16h 20m 15h 52m 14h 23m 12h 33m 10h 40m 8h 58m 8h 5m

Solar UV radiation in St Austell, England, United Kingdom §

St Austell experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 9, which corresponds to the High / Very High category of sun exposure. January, February and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly St Austell UV Index data.

Average daily maximum UV levels by month for St Austell, England, United Kingdom. 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) 2 2 4 6 7 9 8 7 6 4 2 1

Detailed Monthly Weather Insights for St Austell, England, United Kingdom

Discover in-depth weather details for every month in St Austell. 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 St Austell'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.