Keystone Weather in May
Keystone in May sees low temperatures, with highs around 12°C (54°F) and overnight lows of -2°C (28°F). Around 50 mm (2 in) of snow/rainfall is typical, so a light rain jacket is a sensible addition to your bag.
Rainfall in Keystone in May
You can expect snow/rain on around 16 days based on historical patterns, with 50 mm (2 in) average for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Keystone in May
May in Keystone brings typical temperatures with highs around 12°C (54°F) and lows of -2°C (28°F). The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With lows of -2°C (28°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Keystone.
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 Keystone's climate page.
Keystone Temperature in May
Min Temperature
-2°C (28°F)
Max Temperature
12°C (54°F)
Chance of Rain
54%
Precipitation
50 mm (2 in)
Rainy days
16 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 →
perfect weather
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tolerable
unpleasant
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What to Wear in Keystone in May
The weather can swing between comfortable and chilly in May, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days.What To Do in Keystone in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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 Keystone's climate page.
See the full Keystone climate overview or explore weather in the United States of America.
