Somerville Weather in July

July in Somerville brings high temperatures, with daytime highs of 29°C (84°F) and nights around 18°C (64°F). Quite a bit of rainfall is expected, around 101 mm (4 in), so pack an umbrella.

Rainfall in Somerville in July

You can typically expect 12 days of rain this month, averaging around 101 mm (4 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Somerville in July

Daytime highs in Somerville in July reach 29°C (84°F), with nights around 18°C (64°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable. This month tends to be the warmest of the year. Light, comfortable clothing will serve you well.

Sunshine in Somerville in July

Expect sunny days throughout the month, with an estimated 300 hours of sunshine. This makes it a pleasant time to visit Somerville.

Wind Speed in Somerville in July

Average wind conditions reach 5 m/s (10 knots) in July. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in July

At 18°C (64°F), the water is getting there, comfortable enough for most swimmers, though those used to warmer seas may still find it a touch cool.

If you prefer dry days with pleasant temperatures, 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.