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Rocky Mountain National Park Weather in May

With daytime temperatures of 10°C (50°F) and nighttime lows of -2°C (28°F), May in Rocky Mountain National Park brings low temperatures during the day. Do keep in mind that quite a bit of snow/rainfall is typical. Around 104 mm (4.1 in) falls on average.

Rainfall in Rocky Mountain National Park in May

Typically around 20 days of snow/rainfall are expected, averaging 104 mm (4.1 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Rocky Mountain National Park in May

Rocky Mountain National Park in May gets highs of 10°C (50°F) during the day and drops to -2°C (28°F) at night. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With overnight lows of -2°C (28°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.

May in Rocky Mountain National Park has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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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 Rocky Mountain National Park's climate page.

Rocky Mountain National Park Temperature in May

Min TemperatureMin Temperature -2°C (28°F)  
Max TemperatureMax Temperature 10°C (50°F)  
Chance of RainChance of Rain 65%  
PrecipitationPrecipitation 104 mm (4.1 in)  
Rainy daysRainy days 20 days  

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 Rocky Mountain National Park in May

We recommend to layer up for chilly conditions in Rocky Mountain National Park in May. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in Rocky Mountain National Park in May

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

Cycling
4/10
Walking
4/10
Barbeque
1/10
Camping
1/10
Outdoor sports
4/10

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 Rocky Mountain National Park's climate page.

More climate data for Rocky Mountain National Park