Longmont Weather in August

August in Longmont averages 32°C (90°F) during the day and 13°C (55°F) at night. The perfect 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 perfect 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.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Longmont's climate page.

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).

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Longmont's climate page.

More climate data for Longmont

Temperature Rainfall Sunshine Humidity

See the full Longmont climate overview or explore weather in the United States of America.