Last updated: May 6, 2024
Under the Köppen–Geiger climate classification North Sioux City features a humid continental climate (Dfa).Temperatures typically range between -5 °C (23 °F) and 25 °C (77 °F) through the year, but rarely can drop to -33 °C (-26 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 881 mm (34.7 inches) and receives 98 rainy days on the 1 mm (0.04 inches) threshold annually.North Sioux City enjoys an average of 3115 hours of sunshine throughout the year, and daylight varies from 9 hours 5 minutes to 15 hours 14 minutes per day.
The warmest months in North Sioux City are June, July and August, with daily mean temperatures ranging from 23 to 25 °C (73 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -2 °C (23 - 29 °F) throughout the day. On average each year, North Sioux City experiences 94 days above 25 °C (77.0 °F) and 128 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 12°C (54°F) | 21°C (71°F) | 25°C (77°F) | 29°C (85°F) | 35°C (96°F) | 35°C (96°F) | 36°C (97°F) | 36°C (97°F) | 34°C (94°F) | 31°C (89°F) | 27°C (80°F) | 19°C (67°F) |
Mean maximum | 10°C (50°F) | 14°C (57°F) | 22°C (72°F) | 27°C (81°F) | 32°C (90°F) | 33°C (92°F) | 35°C (95°F) | 33°C (91°F) | 33°C (91°F) | 29°C (85°F) | 20°C (67°F) | 13°C (56°F) |
Average high | -0°C (32°F) | 0°C (32°F) | 9°C (48°F) | 15°C (59°F) | 21°C (70°F) | 29°C (84°F) | 30°C (86°F) | 28°C (83°F) | 25°C (78°F) | 16°C (61°F) | 9°C (48°F) | 3°C (38°F) |
Daily mean | -5°C (23°F) | -5°C (23°F) | 3°C (38°F) | 9°C (48°F) | 16°C (61°F) | 23°C (74°F) | 25°C (77°F) | 23°C (73°F) | 20°C (68°F) | 10°C (51°F) | 3°C (38°F) | -2°C (29°F) |
Average low | -9°C (15°F) | -10°C (14°F) | -1°C (30°F) | 3°C (37°F) | 11°C (52°F) | 18°C (64°F) | 20°C (68°F) | 18°C (64°F) | 14°C (58°F) | 5°C (42°F) | -2°C (28°F) | -6°C (21°F) |
Mean minimum | -23°C (-9°F) | -23°C (-8°F) | -12°C (11°F) | -7°C (20°F) | 3°C (38°F) | 11°C (53°F) | 14°C (57°F) | 11°C (53°F) | 6°C (44°F) | -4°C (24°F) | -11°C (12°F) | -17°C (2°F) |
Minimum | -31°C (-24°F) | -33°C (-26°F) | -22°C (-8°F) | -11°C (12°F) | 1°C (34°F) | 8°C (47°F) | 12°C (53°F) | 9°C (49°F) | 4°C (40°F) | -9°C (17°F) | -15°C (5°F) | -23°C (-9°F) |
Compare temperature, precipitation, sunshine, UV index in North Sioux City, South Dakota, United States with other places around the world.
North Sioux City usually has the most precipitation in May, June and August, with an average of 11 rainy days and 117 mm (4.6 inches) of precipitation per month.The driest months in North Sioux City are January, February and November. On average, 28 mm (1.1 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 28 (1.1) | 29 (1.2) | 81 (3.2) | 80 (3.2) | 140 (5.5) | 102 (4.0) | 66 (2.6) | 109 (4.3) | 101 (4.0) | 77 (3.0) | 27 (1.0) | 41 (1.6) |
Average precipitation days (≥ 1 mm) | 4 | 6 | 8 | 11 | 15 | 10 | 8 | 9 | 9 | 9 | 5 | 4 |
The sunniest months in North Sioux City are June, July and August, when the sun shines an average of 11 hours 30 minutes a day.Least sunny months in North Sioux City: January, February and December receive an average of 6 hours 20 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 154 | 208 | 223 | 259 | 271 | 354 | 377 | 327 | 273 | 233 | 218 | 213 |
Mean daily daylight hours | 9h 27m | 10h 33m | 11h 58m | 13h 24m | 14h 37m | 15h 14m | 14h 54m | 13h 48m | 12h 25m | 10h 59m | 9h 44m | 9h 5m |
North Sioux City 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 North Sioux City UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 3 | 5 | 5 | 8 | 9 | 11 | 10 | 9 | 8 | 5 | 3 | 2 |