Cool
Average highs are around 16°C, so pack for cooler days.
April verdict
Mixed for holiday weather
Average highs are around 16°C, so pack for cooler days. Sunshine averages 9.1h per day, so bright days are a strong part of the month. Rainfall averages 47mm, which is relatively low for holiday planning.
Monthly averages
Temp
16°C
Rain
47mm
Sun
9.1h
Weather score
45
Mixed
Cool
Average highs are around 16°C, so pack for cooler days.
Drier
Rainfall averages 47mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9.1h per day, so bright days are a strong part of the month.
Map
Compare Longmont, Colorado, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
April16°C average high
April is close to Longmont's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
April47mm average rain
April sits near Longmont's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March and August to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
April9.1 hours average sun
April is brighter than Longmont's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
April45 weather score
April is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.