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Monthly climate in Au, Saint Gallen, Switzerland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Au features a oceanic climate (Cfb).Temperatures typically range between 0 °C (31 °F) and 18 °C (65 °F) through the year, but rarely can drop to -22 °C (-7 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 1559 mm (61.4 inches) and receives 172 rainy days on the 1 mm (0.04 inches) threshold annually.Au enjoys an average of 3515 hours of sunshine throughout the year, and daylight varies from 8 hours 29 minutes to 15 hours 53 minutes per day.

Monthly average temperatures in Au, Saint Gallen, Switzerland §

The warmest months in Au are June, July and August, with daily mean temperatures ranging from 17 to 18 °C (64 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 2 °C (31 - 36 °F) throughout the day. On average each year, Au experiences 26 days above 25 °C (77.0 °F) and 84 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Au, Saint Gallen, Switzerland.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
(57°F)		 16°C
(62°F)		 20°C
(68°F)		 24°C
(76°F)		 30°C
(85°F)		 32°C
(90°F)		 32°C
(90°F)		 32°C
(90°F)		 26°C
(80°F)		 22°C
(73°F)		 20°C
(68°F)		 14°C
(57°F)
Mean maximum 9°C
(49°F)		 14°C
(58°F)		 18°C
(64°F)		 22°C
(72°F)		 26°C
(79°F)		 27°C
(81°F)		 29°C
(85°F)		 30°C
(87°F)		 25°C
(77°F)		 21°C
(70°F)		 17°C
(64°F)		 11°C
(52°F)
Average high 3°C
(38°F)		 6°C
(43°F)		 10°C
(49°F)		 14°C
(57°F)		 17°C
(62°F)		 22°C
(72°F)		 23°C
(73°F)		 23°C
(73°F)		 19°C
(66°F)		 14°C
(58°F)		 8°C
(47°F)		 4°C
(40°F)
Daily mean -0°C
(31°F)		 2°C
(36°F)		 5°C
(41°F)		 9°C
(48°F)		 12°C
(54°F)		 17°C
(64°F)		 18°C
(65°F)		 18°C
(65°F)		 14°C
(57°F)		 10°C
(50°F)		 5°C
(41°F)		 1°C
(34°F)
Average low -4°C
(26°F)		 -2°C
(29°F)		 0°C
(33°F)		 4°C
(39°F)		 8°C
(46°F)		 13°C
(55°F)		 14°C
(57°F)		 14°C
(57°F)		 10°C
(50°F)		 6°C
(43°F)		 2°C
(36°F)		 -2°C
(29°F)
Mean minimum -11°C
(12°F)		 -10°C
(14°F)		 -7°C
(20°F)		 -4°C
(26°F)		 1°C
(35°F)		 6°C
(44°F)		 9°C
(49°F)		 8°C
(47°F)		 4°C
(39°F)		 1°C
(34°F)		 -3°C
(27°F)		 -9°C
(15°F)
Minimum -22°C
(-7°F)		 -15°C
(5°F)		 -17°C
(2°F)		 -6°C
(22°F)		 -2°C
(28°F)		 4°C
(40°F)		 9°C
(48°F)		 7°C
(46°F)		 2°C
(36°F)		 -1°C
(31°F)		 -4°C
(25°F)		 -13°C
(10°F)

Compare climate in Au with other places

Compare temperature, precipitation, sunshine, UV index in Au, Saint Gallen, Switzerland with other places around the world.

Monthly average precipitation in Au, Saint Gallen, Switzerland §

Au usually has the most precipitation in May, July and August, with an average of 16 rainy days and 167 mm (6.6 inches) of precipitation per month.The driest months in Au are February, April and November. On average, 87 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Au, Saint Gallen, Switzerland.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) 128 (5.0) 98 (3.8) 113 (4.5) 83 (3.3) 160 (6.3) 156 (6.1) 161 (6.3) 179 (7.1) 124 (4.9) 128 (5.0) 79 (3.1) 149 (5.9)
Average precipitation days (≥ 1 mm) 12 12 16 10 18 16 15 15 13 14 12 19

Monthly sunshine hours in Au, Saint Gallen, Switzerland §

The sunniest months in Au are June, July and August, when the sun shines an average of 12 hours 35 minutes a day.Least sunny months in Au: January, November and December receive an average of 5 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Au, Saint Gallen, Switzerland.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 154 223 291 348 358 380 405 372 315 275 213 176
Mean daily daylight hours 8h 54m 10h 15m 11h 56m 13h 39m 15h 8m 15h 53m 15h 29m 14h 10m 12h 31m 10h 48m 9h 17m 8h 29m

Solar UV radiation in Au, Saint Gallen, Switzerland §

Au experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure.January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Au UV Index data.

Average daily maximum UV levels by month for Au, Saint Gallen, Switzerland.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 3 5 6 8 9 9 8 6 4 3 1