Rock Falls Weather in May
In Rock Falls, May brings high daytime temperatures around 23°C (73°F), with nights cooling to 10°C (50°F). Expect quite a bit of rainfall this month.
Rainfall in Rock Falls in May
Historically, the month has about 12 days of rain, averaging 105 mm (4.1 in) in total. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Rock Falls in May
May in Rock Falls brings high temperatures, with highs of 23°C (73°F) and nights around 10°C (50°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 10°C (50°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.If you prefer enjoying temperate temperatures and rain-free days, September typically offers 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 Rock Falls's climate page.
Rock Falls Temperature in May
Min Temperature
10°C (50°F)
Max Temperature
23°C (73°F)
Chance of Rain
41%
Precipitation
105 mm (4.1 in)
Rainy days
12 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 Rock Falls in May
For Rock Falls in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Rock Falls 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 Rock Falls's climate page.
See the full Rock Falls climate overview or explore weather in the United States of America.
