Prospect Heights Weather in May

Prospect Heights in May sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 10°C (50°F). Rainfall is fairly high this month at around 102 mm (4 in), so pack a rain jacket to stay dry.

Rainfall in Prospect Heights in May

Historically, approximately 13 days this month are expected to have rain, averaging 102 mm (4 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Prospect Heights in May

Expect highs of 21°C (70°F) in Prospect Heights in May, with nights dropping to around 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Prospect Heights in May

With approximately 282 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Wind Speed in Prospect Heights in May

Wind speeds average 5 m/s (10 knots) during May. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

Should you favor a climate that's both dry and comfortably warm, September typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.