Monthly climate in Harrisburg, South Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Harrisburg features a humid continental climate (Dfa).Temperatures typically range between -7 °C (20 °F) and 24 °C (75 °F) through the year, but rarely can drop to -32 °C (-25 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 825 mm (32.5 inches) and receives 94 rainy days on the 1 mm (0.04 inches) threshold annually.Harrisburg enjoys an average of 3075 hours of sunshine throughout the year, and daylight varies from 8 hours 59 minutes to 15 hours 20 minutes per day.

Monthly average temperatures in Harrisburg, South Dakota, United States §

The warmest months in Harrisburg are June, July and August, with daily mean temperatures ranging from 22 to 24 °C (72 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -3 °C (20 - 26 °F) throughout the day. On average each year, Harrisburg experiences 84 days above 25 °C (77.0 °F) and 143 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Harrisburg, 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 11°C
(52°F)
19°C
(66°F)
25°C
(78°F)
29°C
(85°F)
34°C
(93°F)
36°C
(98°F)
37°C
(98°F)
36°C
(96°F)
33°C
(91°F)
29°C
(85°F)
25°C
(78°F)
16°C
(60°F)
Mean maximum 8°C
(47°F)
12°C
(55°F)
20°C
(68°F)
26°C
(79°F)
30°C
(87°F)
32°C
(90°F)
34°C
(94°F)
32°C
(90°F)
32°C
(89°F)
28°C
(82°F)
18°C
(65°F)
11°C
(53°F)
Average high -2°C
(29°F)
-2°C
(29°F)
7°C
(45°F)
13°C
(55°F)
20°C
(68°F)
28°C
(83°F)
29°C
(84°F)
27°C
(81°F)
24°C
(75°F)
14°C
(58°F)
7°C
(45°F)
1°C
(35°F)
Daily mean -7°C
(20°F)
-7°C
(20°F)
2°C
(35°F)
7°C
(45°F)
15°C
(59°F)
23°C
(73°F)
24°C
(75°F)
22°C
(72°F)
18°C
(65°F)
9°C
(48°F)
1°C
(35°F)
-3°C
(26°F)
Average low -11°C
(12°F)
-12°C
(11°F)
-3°C
(27°F)
1°C
(35°F)
10°C
(49°F)
17°C
(62°F)
19°C
(66°F)
16°C
(62°F)
13°C
(55°F)
4°C
(39°F)
-4°C
(26°F)
-7°C
(19°F)
Mean minimum -24°C
(-11°F)
-23°C
(-9°F)
-14°C
(7°F)
-9°C
(17°F)
1°C
(34°F)
10°C
(50°F)
13°C
(55°F)
10°C
(51°F)
5°C
(40°F)
-7°C
(20°F)
-13°C
(9°F)
-19°C
(-2°F)
Minimum -32°C
(-25°F)
-27°C
(-16°F)
-27°C
(-15°F)
-17°C
(1°F)
-2°C
(30°F)
6°C
(43°F)
11°C
(52°F)
8°C
(47°F)
3°C
(38°F)
-12°C
(11°F)
-16°C
(4°F)
-23°C
(-10°F)

Compare climate in Harrisburg with other places

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

Monthly average precipitation in Harrisburg, South Dakota, United States §

Harrisburg usually has the most precipitation in May, August and September, with an average of 11 rainy days and 110 mm (4.3 inches) of precipitation per month.The driest months in Harrisburg are January, February and November. On average, 23 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Harrisburg, 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) 21 (0.8) 24 (0.9) 65 (2.6) 82 (3.2) 128 (5.0) 85 (3.3) 77 (3.0) 94 (3.7) 107 (4.2) 79 (3.1) 25 (1.0) 39 (1.5)
Average precipitation days (≥ 1 mm) 4 5 7 10 14 10 8 10 9 8 5 4

Monthly sunshine hours in Harrisburg, South Dakota, United States §

The sunniest months in Harrisburg are June, July and August, when the sun shines an average of 11 hours 25 minutes a day.Least sunny months in Harrisburg: January, November and December receive an average of 6 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Harrisburg, 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 150 211 229 254 280 350 369 332 260 225 210 199
Mean daily daylight hours 9h 21m 10h 30m 11h 58m 13h 27m 14h 42m 15h 20m 14h 59m 13h 52m 12h 26m 10h 57m 9h 39m 8h 59m

Solar UV radiation in Harrisburg, South Dakota, United States §

Harrisburg experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 11, which corresponds to the Very High / Extreme 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 Harrisburg UV Index data.

Average daily maximum UV levels by month for Harrisburg, 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) 2 5 5 8 9 11 10 9 8 5 3 2