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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.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Spain, check out our Siero's climate page.

Siero Temperature in May

Min TemperatureMin Temperature 10°C (50°F)  
Max TemperatureMax Temperature 18°C (64°F)  
Chance of RainChance of Rain 53%  
PrecipitationPrecipitation 122 mm (4.8 in)  
Rainy daysRainy days 16 days  
HumidityHumidity 78% *  
SunshineSunshine 168 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Oviedo, Spain (14 KM, 9 Miles).

Best Places in Spain in May

Find out more about the weather in Spain and which places have the best travel conditions in this month. See all of Spain in May →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Siero in May

Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Siero in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
6/10
Cycling
9/10
Walking
9/10
Camping
6/10
Outdoor sports
9/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Spain, check out our Siero's climate page.

More climate data for Siero