Monthly climate in Clear Lake, South Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Clear Lake features a humid continental climate (Dfa).Temperatures typically range between -10 °C (15 °F) and 23 °C (73 °F) through the year, but rarely can drop to -36 °C (-32 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 807 mm (31.8 inches) and receives 97 rainy days on the 1 mm (0.04 inches) threshold annually.Clear Lake enjoys an average of 3034 hours of sunshine throughout the year, and daylight varies from 8 hours 50 minutes to 15 hours 30 minutes per day.

Monthly average temperatures in Clear Lake, South Dakota, United States §

The warmest months in Clear Lake are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (69 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -10 to -5 °C (15 - 24 °F) throughout the day. On average each year, Clear Lake experiences 65 days above 25 °C (77.0 °F) and 154 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Clear Lake, South Dakota, United States.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 7°C
(45°F)
16°C
(62°F)
25°C
(77°F)
28°C
(83°F)
33°C
(92°F)
37°C
(98°F)
35°C
(96°F)
33°C
(92°F)
32°C
(90°F)
28°C
(83°F)
25°C
(78°F)
13°C
(56°F)
Mean maximum 5°C
(42°F)
7°C
(46°F)
17°C
(62°F)
25°C
(77°F)
29°C
(85°F)
31°C
(87°F)
33°C
(93°F)
31°C
(88°F)
31°C
(87°F)
26°C
(79°F)
17°C
(62°F)
9°C
(49°F)
Average high -5°C
(23°F)
-5°C
(23°F)
4°C
(39°F)
10°C
(50°F)
19°C
(66°F)
26°C
(80°F)
28°C
(82°F)
26°C
(79°F)
22°C
(72°F)
12°C
(55°F)
5°C
(41°F)
-1°C
(31°F)
Daily mean -10°C
(15°F)
-10°C
(15°F)
-1°C
(31°F)
5°C
(41°F)
13°C
(56°F)
21°C
(70°F)
23°C
(73°F)
21°C
(69°F)
17°C
(63°F)
7°C
(46°F)
0°C
(33°F)
-5°C
(24°F)
Average low -14°C
(7°F)
-14°C
(6°F)
-5°C
(23°F)
-0°C
(32°F)
8°C
(47°F)
15°C
(60°F)
17°C
(64°F)
15°C
(60°F)
12°C
(53°F)
3°C
(37°F)
-4°C
(25°F)
-9°C
(16°F)
Mean minimum -28°C
(-19°F)
-27°C
(-16°F)
-17°C
(2°F)
-9°C
(15°F)
-0°C
(32°F)
9°C
(49°F)
12°C
(54°F)
9°C
(49°F)
3°C
(38°F)
-8°C
(19°F)
-13°C
(9°F)
-23°C
(-9°F)
Minimum -36°C
(-32°F)
-34°C
(-28°F)
-28°C
(-19°F)
-16°C
(3°F)
-2°C
(29°F)
6°C
(44°F)
10°C
(50°F)
8°C
(47°F)
1°C
(35°F)
-13°C
(9°F)
-16°C
(3°F)
-26°C
(-14°F)

Compare climate in Clear Lake with other places

Compare temperature, precipitation, sunshine, UV index in Clear Lake, South Dakota, United States with other places around the world.

Monthly average precipitation in Clear Lake, South Dakota, United States §

Clear Lake usually has the most precipitation in May, July and August, with an average of 10 rainy days and 106 mm (4.2 inches) of precipitation per month.The driest months in Clear Lake are January, February and November. On average, 24 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Clear Lake, South Dakota, United States.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) 23 (0.9) 19 (0.7) 55 (2.2) 72 (2.8) 98 (3.9) 86 (3.4) 96 (3.8) 124 (4.9) 91 (3.6) 80 (3.1) 28 (1.1) 34 (1.3)
Average precipitation days (≥ 1 mm) 5 4 7 10 13 10 8 11 9 9 5 6

Monthly sunshine hours in Clear Lake, South Dakota, United States §

The sunniest months in Clear Lake are June, July and August, when the sun shines an average of 11 hours 24 minutes a day.Least sunny months in Clear Lake: January, November and December receive an average of 5 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Clear Lake, South Dakota, United States.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 140 204 237 253 301 354 365 328 253 216 193 185
Mean daily daylight hours 9h 13m 10h 26m 11h 57m 13h 31m 14h 50m 15h 30m 15h 8m 13h 57m 12h 27m 10h 54m 9h 32m 8h 50m

Solar UV radiation in Clear Lake, South Dakota, United States §

Clear Lake experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, November 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 Clear Lake UV Index data.

Average daily maximum UV levels by month for Clear Lake, South Dakota, United States.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) 3 5 6 8 9 10 9 9 8 5 3 2