Vernon Hills Weather in May

With daytime temperatures of 21°C (70°F) and nighttime lows of 10°C (50°F), May in Vernon Hills brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 105 mm (4.1 in) falls on average.

Rainfall in Vernon Hills in May

Expect around 13 days of rain based on historical data, with 105 mm (4.1 in) average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Vernon Hills in May

In May, Vernon Hills sees pleasant temperatures, with highs of 21°C (70°F). Nights drop to around 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Vernon Hills in May

The days are predominantly sunny, with an estimated total of around 282 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

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.