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Weather on June 11

Longmont, CO

55 Years of Data

Avg High
82°F
Avg Low
50°F
Warmest
1973
78°F avg
Coldest
1975
43°F avg

About This Date

June 11th in Longmont, CO typically brings warm summer weather, with average highs around 82°F and lows near 50°F — a 32°F daily swing. Over 55 years of records, the warmest June 11th was in 1973 (78°F average), while the coldest was 1975 (43°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 18% of June 11th dates historically, with the wettest June 11th recording 2.57" of rain. The last decade has been 7.6°F warmer on this date compared to 20-30 years ago.

The last decade has been 7.6°F warmer on this date compared to 20-30 years ago.

Planning for June 11th in Longmont, CO? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.8°F per decade on this date
YearHighLowAvgPrecipSnow
202593°53°73°
202484°57°71°
202374°52°63°
202294°58°76°
202192°53°72°
202081°49°65°
201981°47°64°
201896°60°78°
201781°58°69°
201692°55°73°
201572°54°63°0.51"
201484°57°71°0.05"
201398°58°78°
201278°50°64°
201177°46°62°
201072°56°64°2.57"
200970°48°59°0.05"
200887°44°66°
200787°53°70°
200691°52°71°
200570°39°54°
200481°53°67°
200382°50°66°
200278°44°61°
200197°48°72°
200086°43°64°
199972°38°55°0.03"
199873°42°58°0.03"
199774°47°60°0.08"
199692°51°71°
199557°42°50°
199482°46°64°
199380°50°65°
199280°48°64°
199177°49°63°0.41"
199091°53°72°
198975°49°62°
198889°53°71°
198782°50°66°
198678°42°60°
198567°49°58°
198469°44°57°
198383°49°66°
198280°52°66°
198185°56°70°
198088°59°73°
197974°46°60°
197894°50°72°
197790°57°73°0.18"
197693°51°72°
1975coldest53°34°43°0.79"
197477°49°63°
1973warmest99°57°78°
197284°59°72°
197179°44°61°
55 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.

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