Onsala Weather in May

During May, Onsala experiences moderate daytime temperatures of 16°C (61°F) and cooler nights around 8°C (46°F). Expect quite a bit of rainfall. Around 62 mm (2.4 in) is typical.

Rainfall in Onsala in May

You can expect rain on around 11 days based on historical patterns, with 62 mm (2.4 in) average for the month. 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 Onsala in May

May in Onsala brings moderate temperatures, with highs of 16°C (61°F) and nights around 8°C (46°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Onsala in May

There are approximately 233 hours of sunshine this month, resulting in mostly clear days.

For Onsala itself, July generally stands 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.