Sumner Weather in May

In Sumner, May brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 8°C (46°F). Expect quite a bit of rainfall this month.

Rainfall in Sumner in May

Based on our climate data of the past 30 years, about 14 days of rain are anticipated, with 68 mm (2.7 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Sumner in May

Sumner in May gets highs of 19°C (66°F) during the day and drops to 8°C (46°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. 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 Sumner in May

Expect sunny days throughout the month, with an estimated 247 hours of sunshine. This makes it a pleasant time to visit Sumner.

If you prefer dry days with pleasant temperatures, June, July, 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.