Tammisaari Weather in May

May in Tammisaari averages 14°C (57°F) during the day and 6°C (43°F) at night. Around 40 mm (1.6 in) of rainfall is typical for this time of year.

Rainfall in Tammisaari in May

Historically, May sees about 10 days of rain, with a monthly average of 40 mm (1.6 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Tammisaari in May

May in Tammisaari brings typical temperatures with highs around 14°C (57°F) and lows of 6°C (43°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

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