Sully County climate

Sully County Weather in February

NOAA 1991-2020 normals for Onida 4 Nw, 2.1 km from Sully County

Average highs run from 28°F on February 1 to 36°F on February 28, and lows from 8°F to 16°F. Normal precipitation for the month is 0.79 in over about 7 wet days.

February day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Sully County, in °F, with the record for each date.-50-2502550751510152025
  • Normal low
  • Normal high
  • Record high
  • Record low

February at a glance

Average high
31°F
Average low
11°F
Precipitation
0.79 in
Snowfall
9.4 in
Record high
71°FFeb 25, 1958
Record low
-38°FFeb 9, 1994
Chance of a freeze
100%
Daylight
9 h 50 min to 11 h 07 min
Cloud cover
65%
Humidity
75%
Dew point
17°F
Wind
11.4 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Feb 128°F8°F58°F 1924-30°F 199622%19%
Feb 228°F8°F58°F 1991-31°F 199622%20%
Feb 328°F8°F61°F 1962-34°F 199622%20%
Feb 428°F8°F67°F 2005-23°F 198922%20%
Feb 528°F8°F59°F 2026-28°F 193622%20%
Feb 629°F9°F61°F 1987-33°F 193622%20%
Feb 729°F9°F66°F 2015-30°F 193322%20%
Feb 829°F9°F65°F 1954-28°F 193622%20%
Feb 929°F9°F60°F 1954-38°F 199422%20%
Feb 1029°F9°F70°F 1951-25°F 193623%20%
Feb 1130°F10°F64°F 1928-33°F 198823%20%
Feb 1230°F10°F61°F 1924-25°F 194423%20%
Feb 1330°F10°F66°F 1983-25°F 192923%20%
Feb 1430°F10°F70°F 1954-36°F 193623%20%
Feb 1531°F11°F62°F 1931-30°F 193623%20%
Feb 1631°F11°F60°F 1981-37°F 193623%20%
Feb 1731°F11°F61°F 1981-26°F 193623%20%
Feb 1832°F12°F69°F 1930-23°F 193823%20%
Feb 1932°F12°F65°F 2017-27°F 192923%19%
Feb 2032°F12°F63°F 1930-23°F 193623%19%
Feb 2133°F13°F68°F 1982-20°F 193623%19%
Feb 2233°F13°F67°F 2000-19°F 196223%19%
Feb 2334°F13°F66°F 1976-18°F 196523%19%
Feb 2434°F14°F61°F 1976-22°F 195523%19%
Feb 2535°F14°F71°F 1958-21°F 201123%19%
Feb 2635°F15°F69°F 2024-18°F 193422%19%
Feb 2736°F15°F69°F 2016-20°F 192222%19%
Feb 2836°F15°F66°F 2022-27°F 196222%19%
Feb 2936°F16°F67°F 1992-10°F 196022%18%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sully County, in percent, and of at least 0.1 inch of snowfall.051015202511020
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

February 1
sunrise 7:59 AM, sunset 5:49 PM
February 28
sunrise 7:20 AM, sunset 6:27 PM

Every day of February: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00396292 (Onida 4 Nw), public domain. Records: NOAA GHCN-Daily, station USC00396292, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.