NOAA GHCND · LIVE

Weather on April 28

Longmont, CO

55 Years of Data

Avg High
66°F
Avg Low
37°F
Warmest
1981
67°F avg
Coldest
1994
27°F avg

About This Date

April 28th in Longmont, CO typically brings mild spring weather, with average highs around 66°F and lows near 37°F — a 29°F daily swing. Over 56 years of records, the warmest April 28th was in 1981 (67°F average), while the coldest was 1994 (27°F) — a 40°F range across recorded history. Precipitation has occurred on 29% of recorded April 28th dates, with snow falling 2% of the time (heaviest snowfall: 2.1"). Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for April 28th in Longmont, CO? Great weather for outdoor activities.

Warming Trend
0.7°F per decade on this date
YearHighLowAvgPrecipSnow
202656°38°47°0.08"
202580°47°63°
202445°37°41°2.44"
202371°35°53°0.13"
202278°41°60°
202160°40°50°2.34"
202082°47°64°
201970°42°56°
201876°39°57°
201753°31°42°0.03"
201653°35°44°0.15"
201560°37°49°0.13"
201453°33°43°
201377°47°62°
201266°38°52°
201170°31°50°
201076°49°62°
200960°37°49°
200873°32°53°
200776°42°59°
200669°37°53°0.74"
200540°31°35°1.73"2.1"
200481°46°63°
200374°46°60°
200270°35°52°
200181°45°63°
200069°32°51°
199972°34°53°
199862°31°46°
199769°36°52°
199671°33°52°
199562°29°45°
1994coldest34°20°27°0.1"
199367°41°54°0.13"
199284°44°64°
199158°35°46°
199060°26°43°
198956°29°42°0.3"
198869°30°50°
198772°43°57°
198672°37°54°
198574°37°55°
198451°23°37°
198367°40°53°
198256°34°45°0.1"
1981warmest85°50°67°
198064°38°51°
197961°37°49°
197880°46°63°
197776°47°61°
197640°32°36°0.81"
197559°36°47°0.08"
197472°38°55°
197367°40°53°
197246°34°40°0.03"
197158°30°44°
56 years of data from LONGMONT 2 ESE

Longmont, CO Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

10°30°50°70°90°JFMAMJJASOND
Avg high Avg low

Longmont, CO Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"3.7"7.3"JFMAMJJASOND3.1"0"
Rain (in) Snow (in)

Longmont, CO Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Longmont, CO

Longmont, CO has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

📬 Free weekly newsletter

This week in weather history.

Five notable weather anniversaries from the week ahead — deadliest tornadoes, record temps, historic storms — every Sunday. No spam, unsubscribe anytime.

4,200+ readers · Sunday delivery