Waltham Weather in May

In Waltham, May brings moderate daytime temperatures around 17°C (63°F), with nights cooling to 10°C (50°F). Some rainfall is to be expected.

Rainfall in Waltham in May

Historically, May sees about 13 days of rain, with a monthly average of 58 mm (2.3 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Waltham in May

If you're visiting Waltham in May, expect highs of 17°C (63°F) and overnight lows around 10°C (50°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Waltham in May

There are approximately 202 hours of sunshine this month, resulting in mostly clear days.

For Waltham itself, June, July, August and September generally stand out with 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.