Longmont
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Longmont Weather in August

August in Longmont averages 32°C (90°F) during the day and 13°C (55°F) at night. The excellent conditions and low rainfall make it a solid month to visit.

Rainfall in Longmont in August

You can typically expect 8 days of rain this month, averaging around 26 mm (1 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Longmont in August

August is a excellent month in Longmont, with 32°C (90°F) during the day and 13°C (55°F) at night. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Longmont in August

The city usually sees around 306 hours of sunlight, indicating many sunny days , a great month for sightseeing.

For Longmont itself, May and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Longmont Temperature in August

Min Temperature
13°C (55°F)
Max Temperature
32°C (90°F)
Chance of Rain
27%
Precipitation
26 mm (1 in)
Rainy days
8 days
Humidity
48% *
Sunshine
306 hours *
Percentage Sunshine
72% *
* Data from: Denver, the United States of America (50 KM, 31 Miles).

Longmont Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Longmont - and find the best time to visit.

Best Places in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Longmont in August

Warm but pleasant conditions in Longmont in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Light rain is possible, so consider bringing a small umbrella or rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Longmont in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Longmont 3-Day Forecast

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.