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Monthly climate in Saarlouis, Saarland, Germany

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Saarlouis features a oceanic climate (Cfb).Temperatures typically range between 2 °C (36 °F) and 20 °C (68 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 937 mm (36.9 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually.Saarlouis enjoys an average of 3413 hours of sunshine throughout the year, and daylight varies from 8 hours 15 minutes to 16 hours 8 minutes per day.

Monthly average temperatures in Saarlouis, Saarland, Germany §

The warmest months in Saarlouis are June, July and August, with daily mean temperatures ranging from 19 to 20 °C (66 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 4 °C (36 - 40 °F) throughout the day. On average each year, Saarlouis experiences 44 days above 25 °C (77.0 °F) and 44 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Saarlouis, Saarland, Germany.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
(55°F)		 19°C
(67°F)		 23°C
(73°F)		 27°C
(81°F)		 32°C
(91°F)		 35°C
(95°F)		 38°C
(101°F)		 36°C
(96°F)		 33°C
(91°F)		 25°C
(78°F)		 20°C
(68°F)		 14°C
(58°F)
Mean maximum 11°C
(52°F)		 15°C
(59°F)		 19°C
(66°F)		 24°C
(75°F)		 27°C
(81°F)		 30°C
(86°F)		 33°C
(91°F)		 32°C
(90°F)		 29°C
(84°F)		 22°C
(72°F)		 17°C
(63°F)		 13°C
(56°F)
Average high 5°C
(40°F)		 8°C
(46°F)		 11°C
(52°F)		 15°C
(60°F)		 19°C
(66°F)		 24°C
(75°F)		 25°C
(77°F)		 25°C
(77°F)		 21°C
(70°F)		 15°C
(59°F)		 9°C
(48°F)		 6°C
(43°F)
Daily mean 2°C
(36°F)		 4°C
(40°F)		 7°C
(44°F)		 10°C
(51°F)		 14°C
(57°F)		 19°C
(66°F)		 20°C
(68°F)		 20°C
(68°F)		 16°C
(60°F)		 11°C
(52°F)		 6°C
(43°F)		 4°C
(40°F)
Average low 0°C
(33°F)		 1°C
(35°F)		 3°C
(37°F)		 5°C
(41°F)		 9°C
(48°F)		 14°C
(57°F)		 15°C
(59°F)		 15°C
(59°F)		 11°C
(52°F)		 8°C
(47°F)		 4°C
(39°F)		 2°C
(36°F)
Mean minimum -6°C
(21°F)		 -5°C
(23°F)		 -3°C
(27°F)		 -2°C
(29°F)		 2°C
(36°F)		 8°C
(47°F)		 10°C
(50°F)		 9°C
(49°F)		 6°C
(42°F)		 2°C
(36°F)		 -2°C
(29°F)		 -4°C
(24°F)
Minimum -10°C
(14°F)		 -10°C
(15°F)		 -10°C
(14°F)		 -4°C
(26°F)		 1°C
(34°F)		 6°C
(44°F)		 8°C
(46°F)		 7°C
(45°F)		 4°C
(40°F)		 0°C
(33°F)		 -2°C
(28°F)		 -6°C
(21°F)

Compare climate in Saarlouis with other places

Compare temperature, precipitation, sunshine, UV index in Saarlouis, Saarland, Germany with other places around the world.

Monthly average precipitation in Saarlouis, Saarland, Germany §

Saarlouis usually has the most precipitation in February, March and December, with an average of 15 rainy days and 109 mm (4.3 inches) of precipitation per month.The driest months in Saarlouis are April, July and August. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Saarlouis, Saarland, Germany.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) 84 (3.3) 86 (3.4) 94 (3.7) 43 (1.7) 78 (3.1) 71 (2.8) 65 (2.6) 50 (2.0) 67 (2.6) 74 (2.9) 77 (3.0) 147 (5.8)
Average precipitation days (≥ 1 mm) 12 12 13 9 12 11 10 12 9 12 12 20

Monthly sunshine hours in Saarlouis, Saarland, Germany §

The sunniest months in Saarlouis are May, June and July, when the sun shines an average of 13 hours 14 minutes a day.Least sunny months in Saarlouis: January, November and December receive an average of 4 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Saarlouis, Saarland, Germany.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 116 203 266 346 391 409 417 387 318 248 180 127
Mean daily daylight hours 8h 42m 10h 8m 11h 55m 13h 45m 15h 19m 16h 8m 15h 42m 14h 18m 12h 32m 10h 43m 9h 6m 8h 15m

Solar UV radiation in Saarlouis, Saarland, Germany §

Saarlouis experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure.January, November 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 Saarlouis UV Index data.

Average daily maximum UV levels by month for Saarlouis, Saarland, Germany.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 4 6 8 9 8 8 6 4 2 1