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Longmont Weather in May

May is one of the perfect months to visit Longmont, with daytime temperatures of 22°C (72°F) and lows of 6°C (43°F) at night. Do keep in mind it is the rainiest month of the year, with 62 mm (2.4 in) of rainfall on average.

Rainfall in Longmont in May

With this being the wettest month, keeping an umbrella on hand might save you from getting wet from a sudden shower. Climate statistics over the past 30 years suggest around 12 days of rain, with 62 mm (2.4 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Longmont in May

Longmont in May has perfect weather. Days reach 22°C (72°F) and nights cool to 6°C (43°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Longmont in May

The days are predominantly sunny, with an estimated total of around 290 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If your ideal day consists of dry skies and pleasant temperatures, May and September typically offer the best circumstances for Longmont.

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Check the conditions for any month of the year.

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 May

Min TemperatureMin Temperature 6°C (43°F)  
Max TemperatureMax Temperature 22°C (72°F)  
Chance of RainChance of Rain 40%  
PrecipitationPrecipitation 62 mm (2.4 in)  
Rainy daysRainy days 12 days  
HumidityHumidity 51% *  
SunshineSunshine 290 hours *  
Percentage SunshinePercentage Sunshine 65% *  
* Data from: Denver, the United States of America (50 KM, 31 Miles).

Best Places in the United States of America in May

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 May →

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Legend 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 May

Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Longmont in May

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

Cycling
10/10
Walking
10/10
Barbeque
8/10
Camping
4/10
Outdoor sports
10/10

Select a Month

Check the conditions for any month of the year.

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