O'Neill climate

O'Neill Weather in April

NOAA 1991-2020 normals for O'neill, 0.7 km from O'Neill

Average highs run from 54°F on April 1 to 63°F on April 30, and lows from 29°F to 39°F. Normal precipitation for the month is 2.92 in over about 8 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 O'Neill, in °F, with the record for each date.-250255075100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
58°F
Average low
34°F
Precipitation
2.92 in
Snowfall
1.7 in
Record high
96°FApr 22, 1989
Record low
-5°FApr 3, 1936
Chance of a freeze
100%
Daylight
12 h 44 min to 14 h 03 min
Cloud cover
65%
Humidity
63%
Dew point
34°F
Wind
13.0 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 154°F29°F90°F 19638°F 192424%6%
Apr 254°F29°F90°F 20128°F 193625%5%
Apr 354°F30°F84°F 1921-5°F 193625%5%
Apr 455°F30°F86°F 19297°F 201825%5%
Apr 555°F30°F85°F 19919°F 201826%5%
Apr 655°F31°F89°F 19917°F 198226%5%
Apr 755°F31°F89°F 198811°F 200326%5%
Apr 856°F31°F84°F 193410°F 195727%5%
Apr 956°F32°F89°F 19309°F 192827%4%
Apr 1056°F32°F89°F 193011°F 192127%4%
Apr 1157°F32°F88°F 191615°F 193927%4%
Apr 1257°F33°F88°F 189913°F 195728%4%
Apr 1357°F33°F92°F 193612°F 195028%4%
Apr 1458°F33°F90°F 195412°F 192828%4%
Apr 1558°F34°F89°F 200215°F 201428%4%
Apr 1658°F34°F93°F 196412°F 190429%4%
Apr 1758°F34°F91°F 198515°F 202229%3%
Apr 1859°F35°F90°F 198518°F 195329%3%
Apr 1959°F35°F87°F 198719°F 192829%3%
Apr 2059°F35°F95°F 190218°F 196629%3%
Apr 2160°F36°F93°F 198019°F 190429%3%
Apr 2260°F36°F96°F 198917°F 196730%3%
Apr 2361°F36°F92°F 193917°F 201330%3%
Apr 2461°F37°F90°F 200917°F 201330%2%
Apr 2561°F37°F91°F 196222°F 201330%2%
Apr 2662°F38°F93°F 198122°F 195030%2%
Apr 2762°F38°F90°F 198120°F 192830%2%
Apr 2862°F38°F89°F 200421°F 190331%2%
Apr 2963°F39°F92°F 193413°F 190331%2%
Apr 3063°F39°F95°F 192619°F 200531%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at O'Neill, 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 7:17 AM, sunset 8:01 PM
April 30
sunrise 6:31 AM, sunset 8:34 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00256290 (O'neill), public domain. Records: NOAA GHCN-Daily, station USC00256290, 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.