Superior climate

Superior Weather in April

NOAA 1991-2020 normals for Boulder, 9.4 km from Superior

Average highs run from 61°F on April 1 to 66°F on April 30, and lows from 32°F to 38°F. Normal precipitation for the month is 3.05 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 Superior, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
63°F
Average low
35°F
Precipitation
3.05 in
Snowfall
14.7 in
Record high
90°FApr 13, 2025
Record low
6°FApr 12, 1997
Chance of a freeze
100%
Daylight
12 h 41 min to 13 h 52 min
Cloud cover
62%
Humidity
50%
Dew point
26°F
Wind
8.7 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 161°F32°F84°F 201216°F 198830%19%
Apr 261°F32°F82°F 201213°F 198731%18%
Apr 361°F33°F84°F 201116°F 202031%18%
Apr 461°F33°F79°F 200514°F 198531%18%
Apr 561°F33°F81°F 199115°F 202331%18%
Apr 662°F33°F81°F 199117°F 200932%18%
Apr 762°F33°F78°F 202020°F 199732%18%
Apr 862°F33°F79°F 201719°F 199732%18%
Apr 962°F33°F81°F 201716°F 201332%17%
Apr 1062°F33°F82°F 20197°F 201332%17%
Apr 1162°F34°F83°F 200610°F 199733%17%
Apr 1262°F34°F89°F 20236°F 199733%17%
Apr 1362°F34°F90°F 202512°F 202233%16%
Apr 1462°F34°F88°F 200613°F 202233%16%
Apr 1563°F34°F88°F 200616°F 202034%16%
Apr 1663°F34°F86°F 200821°F 201334%15%
Apr 1763°F35°F86°F 200810°F 202034%15%
Apr 1863°F35°F82°F 200610°F 201334%15%
Apr 1963°F35°F82°F 201716°F 201335%14%
Apr 2063°F35°F84°F 202219°F 202135%14%
Apr 2163°F35°F84°F 201920°F 202135%13%
Apr 2264°F36°F87°F 202623°F 202335%13%
Apr 2364°F36°F88°F 202619°F 201336%13%
Apr 2464°F36°F86°F 200919°F 201336%12%
Apr 2564°F36°F88°F 201225°F 200636%12%
Apr 2665°F37°F84°F 201220°F 198836%11%
Apr 2765°F37°F84°F 199221°F 199436%11%
Apr 2865°F37°F84°F 200428°F 199437%10%
Apr 2965°F37°F82°F 201323°F 199637%10%
Apr 3066°F38°F90°F 199224°F 201737%10%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Superior, 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 (MDT).

April 1
sunrise 6:44 AM, sunset 7:25 PM
April 30
sunrise 6:02 AM, sunset 7:54 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00050848 (Boulder), public domain. Records: NOAA GHCN-Daily, station USC00055984, 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.