Frederick climate

Frederick Weather in April

NOAA 1991-2020 normals for Longmont 2 Ese, 14.3 km from Frederick

Average highs run from 61°F on April 1 to 67°F on April 30, and lows from 30°F to 36°F. Normal precipitation for the month is 2.04 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 Frederick, 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
32°F
Precipitation
2.04 in
Snowfall
3.1 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 53 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°F30°F84°F 201216°F 198820%9%
Apr 261°F30°F82°F 201213°F 198720%9%
Apr 361°F30°F84°F 201116°F 202021%9%
Apr 461°F30°F79°F 200514°F 198521%9%
Apr 561°F31°F81°F 199115°F 202321%9%
Apr 661°F31°F81°F 199117°F 200922%8%
Apr 762°F31°F78°F 202020°F 199722%8%
Apr 862°F31°F79°F 201719°F 199722%8%
Apr 962°F31°F81°F 201716°F 201323%8%
Apr 1062°F31°F82°F 20197°F 201323%8%
Apr 1162°F31°F83°F 200610°F 199723%8%
Apr 1262°F31°F89°F 20236°F 199724%8%
Apr 1362°F32°F90°F 202512°F 202224%7%
Apr 1463°F32°F88°F 200613°F 202224%7%
Apr 1563°F32°F88°F 200616°F 202024%7%
Apr 1663°F32°F86°F 200821°F 201325%7%
Apr 1763°F32°F86°F 200810°F 202025%7%
Apr 1863°F33°F82°F 200610°F 201325%6%
Apr 1964°F33°F82°F 201716°F 201325%6%
Apr 2064°F33°F84°F 202219°F 202126%6%
Apr 2164°F33°F84°F 201920°F 202126%6%
Apr 2264°F33°F87°F 202623°F 202326%6%
Apr 2365°F34°F88°F 202619°F 201326%5%
Apr 2465°F34°F86°F 200919°F 201326%5%
Apr 2565°F34°F88°F 201225°F 200627%5%
Apr 2665°F34°F84°F 201220°F 198827%5%
Apr 2766°F35°F84°F 199221°F 199427%5%
Apr 2866°F35°F84°F 200428°F 199427%4%
Apr 2966°F35°F82°F 201323°F 199627%4%
Apr 3067°F36°F90°F 199224°F 201728%4%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Frederick, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

April 1
sunrise 6:43 AM, sunset 7:24 PM
April 30
sunrise 6:01 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 USC00055116 (Longmont 2 Ese), 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.