Pietarsaari Weather in May

May in Pietarsaari averages 12°C (54°F) during the day and 4°C (39°F) at night. Around 49 mm (1.9 in) of rainfall is typical for this time of year.

Rainfall in Pietarsaari in May

Records from the past 30 years suggest around 11 days of rain, with 49 mm (1.9 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Pietarsaari in May

In May, Pietarsaari gets moderate temperatures, with highs of 12°C (54°F). Nights cool to around 4°C (39°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

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.