Waltham Weather in April

April in Waltham averages 15°C (59°F) during the day and 3°C (37°F) at night. Quite a bit of rainfall is typical this month, with around 91 mm (3.6 in) on average. An umbrella is a good idea.

Rainfall in Waltham in April

You can expect rain on roughly 11 days based on historical data, averaging 91 mm (3.6 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Waltham in April

April in Waltham brings moderate temperatures, with highs of 15°C (59°F) and nights around 3°C (37°F). Conditions are often most pleasant around the middle of the day. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Waltham in April

The month enjoys around 229 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Waltham in April

April sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.

Average water temperature in April

At 6°C (43°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.

If you prefer enjoying temperate temperatures and rain-free days, May, August and September 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.