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Monthly climate in Rapperswil, Saint Gallen, Switzerland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rapperswil features a oceanic climate (Cfb).Temperatures typically range between 0 °C (32 °F) and 18 °C (65 °F) through the year, but rarely can drop to -16 °C (4 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 1556 mm (61.2 inches) and receives 180 rainy days on the 1 mm (0.04 inches) threshold annually.Rapperswil enjoys an average of 3561 hours of sunshine throughout the year, and daylight varies from 8 hours 31 minutes to 15 hours 52 minutes per day.

Monthly average temperatures in Rapperswil, Saint Gallen, Switzerland §

The warmest months in Rapperswil are June, July and August, with daily mean temperatures ranging from 17 to 18 °C (63 - 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 (32 - 36 °F) throughout the day. On average each year, Rapperswil experiences 26 days above 25 °C (77.0 °F) and 87 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rapperswil, 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 13°C
(56°F)		 17°C
(62°F)		 19°C
(67°F)		 24°C
(76°F)		 28°C
(84°F)		 32°C
(90°F)		 33°C
(91°F)		 32°C
(90°F)		 27°C
(80°F)		 22°C
(72°F)		 20°C
(69°F)		 12°C
(54°F)
Mean maximum 9°C
(48°F)		 14°C
(57°F)		 17°C
(63°F)		 22°C
(71°F)		 25°C
(78°F)		 27°C
(81°F)		 30°C
(86°F)		 31°C
(87°F)		 25°C
(77°F)		 20°C
(69°F)		 16°C
(62°F)		 11°C
(52°F)
Average high 3°C
(37°F)		 6°C
(43°F)		 9°C
(49°F)		 14°C
(57°F)		 17°C
(62°F)		 22°C
(72°F)		 23°C
(74°F)		 23°C
(73°F)		 19°C
(66°F)		 14°C
(58°F)		 7°C
(45°F)		 4°C
(39°F)
Daily mean -0°C
(32°F)		 2°C
(36°F)		 4°C
(40°F)		 8°C
(47°F)		 12°C
(53°F)		 17°C
(63°F)		 18°C
(65°F)		 18°C
(65°F)		 14°C
(57°F)		 10°C
(50°F)		 4°C
(40°F)		 2°C
(35°F)
Average low -3°C
(27°F)		 -2°C
(29°F)		 -0°C
(32°F)		 3°C
(38°F)		 7°C
(45°F)		 12°C
(54°F)		 13°C
(56°F)		 13°C
(57°F)		 10°C
(50°F)		 6°C
(43°F)		 2°C
(36°F)		 -1°C
(31°F)
Mean minimum -8°C
(18°F)		 -9°C
(16°F)		 -7°C
(20°F)		 -4°C
(25°F)		 0°C
(32°F)		 6°C
(43°F)		 9°C
(48°F)		 9°C
(48°F)		 4°C
(40°F)		 2°C
(35°F)		 -3°C
(27°F)		 -7°C
(19°F)
Minimum -12°C
(10°F)		 -15°C
(6°F)		 -16°C
(4°F)		 -7°C
(19°F)		 -5°C
(24°F)		 4°C
(40°F)		 8°C
(47°F)		 8°C
(46°F)		 2°C
(36°F)		 -0°C
(32°F)		 -5°C
(24°F)		 -10°C
(14°F)

Compare climate in Rapperswil with other places

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

Monthly average precipitation in Rapperswil, Saint Gallen, Switzerland §

Rapperswil usually has the most precipitation in May, June and August, with an average of 17 rainy days and 168 mm (6.6 inches) of precipitation per month.The driest months in Rapperswil 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 Rapperswil, 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) 127 (5.0) 95 (3.7) 112 (4.4) 87 (3.4) 159 (6.3) 187 (7.4) 145 (5.7) 158 (6.2) 123 (4.9) 128 (5.0) 80 (3.1) 155 (6.1)
Average precipitation days (≥ 1 mm) 12 12 17 12 20 17 16 15 14 13 13 19

Monthly sunshine hours in Rapperswil, Saint Gallen, Switzerland §

The sunniest months in Rapperswil are June, July and August, when the sun shines an average of 12 hours 42 minutes a day.Least sunny months in Rapperswil: January, November and December receive an average of 6 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rapperswil, 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 163 226 298 355 365 381 409 377 314 274 210 183
Mean daily daylight hours 8h 56m 10h 16m 11h 56m 13h 38m 15h 6m 15h 52m 15h 28m 14h 9m 12h 30m 10h 48m 9h 18m 8h 31m

Solar UV radiation in Rapperswil, Saint Gallen, Switzerland §

Rapperswil experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 10, 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 Rapperswil UV Index data.

Average daily maximum UV levels by month for Rapperswil, 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 7 8 10 9 8 6 4 3 2