Rio Grande climate

Rio Grande Weather in April

NOAA 1991-2020 normals for Waterloo, 21.5 km from Rio Grande

Average highs run from 61°F on April 1 to 72°F on April 30, and lows from 33°F to 43°F. Normal precipitation for the month is 3.69 in over about 13 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 Rio Grande, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
67°F
Average low
38°F
Precipitation
3.69 in
Snowfall
0.1 in
Record high
93°FApr 24, 1925
Record low
10°FApr 1, 1923
Chance of a freeze
100%
Daylight
12 h 39 min to 13 h 48 min
Cloud cover
67%
Humidity
78%
Dew point
46°F
Wind
5.4 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
Apr 161°F33°F85°F 198610°F 192344%2%
Apr 262°F33°F84°F 196318°F 191544%2%
Apr 362°F34°F86°F 201015°F 196544%1%
Apr 463°F34°F85°F 196318°F 196744%1%
Apr 563°F34°F87°F 194718°F 197044%1%
Apr 663°F34°F88°F 202320°F 197544%1%
Apr 764°F35°F90°F 201016°F 198244%1%
Apr 864°F35°F85°F 201019°F 193644%1%
Apr 965°F35°F85°F 191916°F 197244%1%
Apr 1065°F36°F88°F 200117°F 198544%1%
Apr 1166°F36°F91°F 193018°F 196044%1%
Apr 1266°F36°F88°F 193018°F 197644%1%
Apr 1366°F37°F88°F 194119°F 197644%1%
Apr 1467°F37°F85°F 194117°F 195044%1%
Apr 1567°F38°F84°F 202617°F 195745%1%
Apr 1668°F38°F87°F 200221°F 193545%1%
Apr 1768°F38°F90°F 200221°F 196245%1%
Apr 1868°F39°F88°F 191422°F 198345%1%
Apr 1969°F39°F90°F 200223°F 198345%1%
Apr 2069°F39°F91°F 200221°F 192645%0%
Apr 2169°F40°F88°F 195422°F 195645%0%
Apr 2270°F40°F90°F 198525°F 193646%0%
Apr 2370°F41°F90°F 198522°F 198646%0%
Apr 2470°F41°F93°F 192526°F 192746%0%
Apr 2570°F41°F90°F 196025°F 192746%0%
Apr 2671°F42°F92°F 191525°F 197246%0%
Apr 2771°F42°F90°F 198629°F 191946%0%
Apr 2871°F42°F91°F 198622°F 196746%0%
Apr 2971°F43°F88°F 191425°F 196746%0%
Apr 3072°F43°F92°F 194228°F 196147%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Rio Grande, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

April 1
sunrise 7:14 AM, sunset 7:53 PM
April 30
sunrise 6:33 AM, sunset 8:21 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00338810 (Waterloo), public domain. Records: NOAA GHCN-Daily, station USC00334004, 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.