Weather on August 22

Longmont, CO

55 Years of Data

Avg High
87°F
Avg Low
55°F
Warmest
2025
79°F avg
Coldest
1974
62°F avg

About This Date

August 22nd in Longmont, CO typically brings warm summer weather, with average highs around 87°F and lows near 55°F — a 32°F daily swing. Over 55 years of records, the warmest August 22nd was in 2025 (79°F average), while the coldest was 1974 (62°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 25% of August 22nd dates historically, with the wettest August 22nd recording 2.01" of rain. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.

Planning for August 22nd in Longmont, CO? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.6°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest96°63°79°
202492°63°77°
202397°56°76°
202281°57°69°
202186°55°71°0.66"
202093°57°75°
201981°61°71°
201871°55°63°
201781°52°66°
201690°55°72°
201590°64°77°
201471°58°64°0.23"
201381°58°69°0.08"
201291°59°75°
201194°57°75°
201094°58°76°
200994°53°73°
200889°62°76°
200792°58°75°
200691°55°73°
200582°53°68°
200483°52°67°
200386°58°72°
200290°46°68°
200191°49°70°
200079°50°64°
199988°51°69°0.05"
199890°49°69°0.2"
199792°51°71°0.23"
199690°54°72°
199594°58°76°
199492°54°73°
199385°52°68°
199285°55°70°0.94"
199191°54°72°
199088°55°71°
198989°53°71°
198880°57°69°
198788°59°73°0.58"
198681°61°71°0.33"
198594°57°75°
198472°54°63°0.05"
198390°55°72°2.01"
198289°57°73°
198194°57°75°
198085°51°68°0.13"
197978°52°65°
197892°58°75°
197782°55°69°
197693°53°73°
197584°52°68°0.05"
1974coldest79°46°62°
197392°53°72°0.05"
197281°51°66°
197194°55°74°
55 years of data from LONGMONT 2 ESE

Browse Weather History

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