Castle Rock Weather in May
May in Castle Rock sees daytime temperatures around 19°C (66°F) and lows of 5°C (41°F) at night. Pack a rain jacket because some rainfall is likely.
Rainfall in Castle Rock in May
Expect around 12 days of rain based on historical data, with 56 mm (2.2 in) average. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Castle Rock in May
May in Castle Rock brings typical temperatures with highs around 19°C (66°F) and lows of 5°C (41°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 5°C (41°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Castle Rock in May
There are approximately 290 hours of sunshine this month, resulting in mostly clear days.If you prefer enjoying temperate temperatures and rain-free days, June, August and September typically offer 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.
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 Castle Rock's climate page.
Castle Rock Temperature in May
Min Temperature
5°C (41°F)
Max Temperature
19°C (66°F)
Chance of Rain
41%
Precipitation
56 mm (2.2 in)
Rainy days
12 days
Humidity
51% *
Sunshine
290 hours *
Percentage Sunshine
65% *
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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What to Wear in Castle Rock in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Castle Rock 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 Castle Rock's climate page.
Temperature Rainfall Sunshine Humidity
See the full Castle Rock climate overview or explore weather in the United States of America.
