Hartford, South Dakota Climate
United States
Pop. 3,025 Elev. 481 m / 1,578 ft
TZ: America/Chicago (UTC-5) ·
Winters in Hartford are severe, with temperatures dropping to 8°F (-13°C) in February, while summers bring mild highs of 84°F (29°C) in July. Humidity pushes the summer feels-like temperature to 92°F (33°C), while wind chill can drive winter lows to 0°F (-18°C). Expect around 39 rainy days annually (26.2 in / 666 mm total), with snow on 4 days and 26 in (663 mm) of annual accumulation. The city averages 143 sunny days per year and around 30 thunderstorm days. Nearby lake water reaches 75°F (24°C) in summer.
| Temperature | 84°F (29°C) high | 8°F (-13°C) low |
| Feels like | 92°F (33°C) high | 0°F (-18°C) low |
| Rain | 39 days | 26.2 in (666 mm) /yr |
| Snow | 4 days | 26.1 in (663 mm) /yr |
| Sky | 143 sunny | 30 stormy |
| Wind | 2.9 mph (1.3 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, May, Sep, Oct
Sky & Air by Month
Cloud cover (%)
45
Jan 53
Feb 53
Mar 53
Apr 46
May 52
Jun 50
Jul 45
Aug 43
Sep 42
Oct 59
Nov 72
Dec Humidity (%)
62
Jan 65
Feb 58
Mar 55
Apr 51
May 63
Jun 77
Jul 77
Aug 68
Sep 62
Oct 70
Nov 79
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 10 mi Sioux Falls Regional Airport (FSD)
Ski resort 14 mi Great Bear Recreation Park
National park 41 mi Pipestone National Monument
Mountain peak
(20,733 ft) 261 mi Norris Hill
Hospital 1 mi Sanford Clinic-Hartford
Hiking trail 78 mi Lake Loop
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 31°F -1°C | 11°F -12°C | 0.0 in 0 mm | 1.4 in35 mm | 15 |
| February | 29°F -2°C | 8°F -13°C | 0.0 in 1 mm | 2.9 in72 mm | 9 |
| March | 57°F 14°C | 30°F -1°C | 2.4 in 62 mm | 5.6 in143 mm | 13 |
| April | 62°F 17°C | 38°F 4°C | 2.2 in 56 mm | 0.9 in24 mm | 12 |
| May | 73°F 23°C | 49°F 10°C | 2.6 in 65 mm | — | 14 |
| June | 84°F 29°C | 62°F 17°C | 6.5 in 165 mm | — | 11 |
| July | 84°F 29°C | 66°F 19°C | 5.0 in 126 mm | — | 11 |
| August | 80°F 27°C | 63°F 17°C | 3.8 in 97 mm | — | 11 |
| September | 79°F 26°C | 56°F 14°C | 1.7 in 42 mm | — | 17 |
| October | 67°F 19°C | 47°F 8°C | 1.3 in 33 mm | — | 18 |
| November | 47°F 8°C | 31°F -1°C | 0.5 in 14 mm | 6.7 in169 mm | 8 |
| December | 34°F 1°C | 15°F -10°C | 0.2 in 5 mm | 8.7 in220 mm | 4 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 15 | 0 |
| February | 9 | 0 |
| March | 13 | 2 |
| April | 12 | 2 |
| May | 14 | 3 |
| June | 11 | 8 |
| July | 11 | 8 |
| August | 11 | 5 |
| September | 17 | 1 |
| October | 18 | 1 |
| November | 8 | 0 |
| December | 4 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 33°F 0°C |
| April | 38°F 3°C |
| May | 46°F 8°C |
| June | 60°F 16°C |
| July | 75°F 24°C |
| August | 75°F 24°C |
| September | 68°F 20°C |
| October | 58°F 14°C |
| November | 46°F 8°C |
| December | 38°F 3°C |