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Weather & Climate in Ipswich, SD

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Ipswich has a cool climate with an average annual temperature of 44°F (7°C). Winters average 13°F in January while summers reach 72°F in July. The area gets 276 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 20.2 inches (drier than the 38-inch national average). The area receives 33.7 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 35. The city sits at an elevation of 1,537 feet.

Temperature

13°F Jan (-10°C) 72°F Jul (22°C)
Annual Average43.7°F
19% below US avg
January Average13°F (-10°C)
July Average72°F (22°C)
Sunny Days276 days/yr

Geography

Elevation1,537 ft (468 m)
Area1.3 sq mi (3.5 km²)
Population Density840/sq mi
Coordinates45.4435°N, 99.0300°W
TimezoneAmerica/Chicago
CountyEdmunds County County
Nearest AirportAberdeen Regional (ABR)
29 miles away

Precipitation & Snow

Annual Rainfall 20.2"
47% below US avg
Snowfall 33.7"
Wettest Month (Jun) 3.43"
Driest Month (Dec) 0.35"

Air Quality

AQI Median35.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score7.0 / 100
Social Vulnerability10.6 / 100
Community Resilience58.1 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Very Low
Wildfire Relatively Low
Flood Very Low
Hail Relatively Low
Strong Wind Relatively Low
Heat Wave Very Low
Winter Weather Relatively Moderate
Lightning Very Low
Ice Storm Relatively Low
Drought Relatively Low
Cold Wave Relatively Low
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.

May 30, 2024 38 km NNW of Pierre, South Dakota M3.7 146 km 15 km
Jul 26, 2002 0 km WSW of Huron, South Dakota M3.1 136 km 5 km
Aug 15, 2017 8 km E of Agar, South Dakota M3.0 99 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

351 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 7 fatalities, 55 injuries.

Date Rating Distance Path Fatalities
May 22, 2010 EF4 56 km 5.7 mi 0
Jun 23, 2002 EF4 54 km 9.0 mi 0
Aug 24, 2006 EF3 57 km 14.0 mi 0
Jun 23, 2002 EF3 45 km 10.0 mi 0
May 31, 1996 EF3 43 km 32.0 mi 0
Jun 7, 1993 EF3 94 km 5.0 mi 0
Aug 19, 1974 EF3 96 km 0.1 mi 0
Jul 1, 1973 EF3 47 km 0.3 mi 1
Jun 25, 1969 EF3 74 km 1.5 mi 0
Jun 20, 1968 EF3 93 km 8.8 mi 0
Jun 20, 1968 EF3 78 km 0.1 mi 0
Jul 31, 1966 EF3 71 km 26.4 mi 2
May 20, 1965 EF3 68 km 3.8 mi 0
Jun 21, 1961 EF3 63 km 156.3 mi 1
Jun 9, 1957 EF3 47 km 1.0 mi 0
Aug 28, 2024 EF2 98 km 5.4 mi 0
Aug 30, 2020 EF2 82 km 1.6 mi 1
Jul 4, 2020 EF2 31 km 2.7 mi 0
May 22, 2010 EF2 73 km 1.3 mi 0
May 22, 2010 EF2 11 km 18.6 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

8 wildfires (100+ acres) recorded within 100 km. Largest: ROHRBACH (2,887 acres, 2022).

Year Name Acres Burned Distance
2022 ROHRBACH 2,887 36 km
2011 MOUND CITY 2,755 97 km
2003 JOEL BERTSCH 2 1,460 63 km
2004 TACOMA PARK PLACE 1,336 61 km
2004 ALLEN STUECKLE 1,330 68 km
2016 SLR 2016 RX MICHELL 1,242 82 km
2000 PHEASANT OPENER 1,206 90 km
2005 N HYDE 1,204 87 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 13°F (-10°C) 0.4 in Coldest
February 18°F (-8°C) 0.4 in
March 30°F (-1°C) 1.2 in
April 45°F (7°C) 2.2 in
May 57°F (14°C) 2.7 in
June 66°F (19°C) 3.4 in Wettest
July 72°F (22°C) 2.6 in Warmest
August 70°F (21°C) 2.1 in
September 60°F (15°C) 1.6 in
October 47°F (8°C) 1.2 in
November 29°F (-2°C) 0.6 in
December 16°F (-9°C) 0.4 in Driest

Ipswich has a seasonal temperature swing of 58°F / from 13°F in January to 72°F in July. Total annual precipitation is 18.7 inches, with June being the wettest month (3.4") and December the driest (0.4").

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