Sullivan climate

Sullivan Weather in April

NOAA 1991-2020 normals for Sullivan 3S, 4.4 km from Sullivan

Average highs run from 59°F on April 1 to 70°F on April 30, and lows from 36°F to 48°F. Normal precipitation for the month is 4.48 in over about 10 wet days.

April day by day

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

Normal daily high and low temperature at Sullivan, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
65°F
Average low
42°F
Precipitation
4.48 in
Snowfall
0.2 in
Record high
87°FApr 30, 2007
Record low
22°FApr 2, 2013
Chance of a freeze
93%
Daylight
12 h 41 min to 13 h 52 min
Cloud cover
64%
Humidity
76%
Dew point
45°F
Wind
12.5 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
Apr 159°F36°F84°F 201223°F 201830%1%
Apr 259°F37°F78°F 202522°F 201330%1%
Apr 360°F37°F84°F 201224°F 201330%1%
Apr 460°F37°F80°F 202325°F 200230%1%
Apr 561°F38°F77°F 201024°F 200231%1%
Apr 661°F38°F80°F 200127°F 200231%1%
Apr 761°F39°F79°F 202022°F 200731%1%
Apr 862°F39°F83°F 202023°F 201831%1%
Apr 962°F39°F83°F 200126°F 200032%1%
Apr 1063°F40°F81°F 201130°F 200332%1%
Apr 1163°F40°F78°F 201927°F 201232%1%
Apr 1264°F41°F78°F 200630°F 200933%1%
Apr 1364°F41°F82°F 201029°F 200433%1%
Apr 1464°F41°F83°F 200628°F 200434%1%
Apr 1565°F42°F85°F 200630°F 201434%0%
Apr 1665°F42°F82°F 200225°F 202034%0%
Apr 1766°F43°F83°F 200228°F 201835%0%
Apr 1866°F43°F84°F 200230°F 200135%0%
Apr 1966°F43°F83°F 200230°F 202235%0%
Apr 2067°F44°F81°F 201728°F 201836%0%
Apr 2167°F44°F76°F 199931°F 202136%0%
Apr 2267°F45°F80°F 200133°F 202136%0%
Apr 2368°F45°F82°F 200832°F 201237%0%
Apr 2468°F45°F80°F 200929°F 202337%0%
Apr 2568°F46°F80°F 200833°F 202437%0%
Apr 2669°F46°F81°F 200933°F 200038%0%
Apr 2769°F46°F80°F 200134°F 201538%0%
Apr 2869°F47°F81°F 202534°F 201538%0%
Apr 2970°F47°F82°F 200729°F 201838%0%
Apr 3070°F48°F87°F 200737°F 200838%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sullivan, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

April 1
sunrise 6:38 AM, sunset 7:19 PM
April 30
sunrise 5:56 AM, sunset 7:48 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00118389 (Sullivan 3S), public domain. Records: NOAA GHCN-Daily, station USW00053802, 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.