Pontiac Weather in May

May in Pontiac typically sees daytime highs of 21°C (70°F) and nighttime lows of 9°C (48°F). As the wettest month of the year, expect more rainfall than other months.

Rainfall in Pontiac in May

This month sees the most rain, so carrying an umbrella will ensure you stay dry. You can expect rain on around 13 days based on historical patterns, with 110 mm (4.3 in) average for the month. 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 Pontiac in May

Daytime highs in Pontiac in May reach 21°C (70°F), with nights around 9°C (48°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Pontiac in May

There are approximately 277 hours of sunshine this month, resulting in mostly clear days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Pontiac.