Hillsboro Weather in May

With daytime temperatures of 29°C (84°F) and nighttime lows of 17°C (63°F), May in Hillsboro brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 123 mm (4.8 in) falls on average.

Rainfall in Hillsboro in May

Expect around 10 days of rain based on historical data, with 123 mm (4.8 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 Hillsboro in May

May in Hillsboro brings typical temperatures with highs around 29°C (84°F) and lows of 17°C (63°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 17°C (63°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Hillsboro in May

The days are predominantly sunny, with an estimated total of around 240 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, April and November 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.