Siero Weather in May

May in Siero typically sees daytime highs of 18°C (64°F) and nighttime lows of 10°C (50°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Siero in May

Past climate data indicates that roughly 16 days will see rain, totalling around 122 mm (4.8 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Siero in May

Expect highs of 18°C (64°F) in Siero in May, with nights dropping to around 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 10°C (50°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Siero in May

You can expect a moderate amount of sunlight, with approximately 168 hours. This means a pleasant mix of sun and overcast.

Should you favor a climate that's both dry and comfortably warm, July, August and September typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.