May weather forecast
Riós, Spain

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Weather in May

The last month of the spring, May, is a pleasant month in Riós, Spain, with an average temperature fluctuating between 8.1°C (46.6°F) and 20.4°C (68.7°F).

Temperature

As Riós welcomes May, the average high-temperature sees a modest rise, transitioning from a refreshing 16°C (60.8°F) in April to an agreeable 20.4°C (68.7°F). The significant decline in Riós's temperature, from day to night, averages of 8.1°C (46.6°F) in May.

Humidity

In Riós, the average relative humidity in May is 71%.

Rainfall

In May, in Riós, the rain falls for 12 days. Throughout May, 34mm (1.34") of precipitation is accumulated. Throughout the year, there are 126.9 rainfall days, and 450mm (17.72") of precipitation is accumulated.

Snowfall

March through December are months without snowfall in Riós.

Daylight

The average length of the day in May is 14h and 34min.
On the first day of the month, sunrise is at 07:24 and sunset at 21:28. On the last day of May, sunrise is at 06:56 and sunset at 21:57 CEST.

Sunshine

The average sunshine in May is 9.5h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 5 during May translates into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Jan 29, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are May temperatures in Riós?

In Riós, 20.4°C (68.7°F) is the average high-temperature and 8.1°C (46.6°F) is the average low-temperature during May.

What is the average humidity in May in Riós?

In Riós, the average relative humidity in May is 71%.

How many days does it rain in May in Riós?

In Riós, Spain, during May, the rain falls for 12 days and regularly aggregates up to 34mm (1.34") of precipitation.

When it does not snow in Riós?

In Riós, Spain, snow does not fall in March through December.

How many hours of daylight does Riós have in May?

The average day length in May in Riós is 14h and 34min.

When is the sunrise / sunset in May in Riós?

On the first day of May, sunrise is at 07:24 and sunset at 21:28. On the last day of the month, sunrise is at 06:56 and sunset at 21:57 CEST.

How long on average sun shines in May in Riós?

The average sunshine duration in May in Riós, Spain, is 9.5h.

How high is the UV index in May in Riós?

The average daily maximum UV index in May in Riós is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Riós, Spain

Average temperature in May - Riós, Spain
  • Average high temperature in May: 20.4°C

The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in May: 8.1°C

The months with the highest average low temperature are July and August (13.1°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).

Average pressure in May
Riós, Spain

Average pressure in May - Riós, Spain
  • Average pressure in May: 1016.7mbar

The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

Average wind speed in May
Riós, Spain

Average wind speed in May - Riós, Spain
  • Average wind speed in May: 7.4km/h

The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).

Average humidity in May
Riós, Spain

Average humidity in May - Riós, Spain
  • Average humidity in May: 71%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (56%).

Average rainfall in May
Riós, Spain

Average rainfall in May - Riós, Spain
  • Average rainfall in May: 34mm

The wettest month (with the highest rainfall) is December (72mm).
The driest months (with the least rainfall) are July and August (11mm).

Average rainfall days in May
Riós, Spain

Average rainfall days in May - Riós, Spain
  • Average rainfall days in May: 12 days

The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is August (3.8 days).

Average snowfall in May
Riós, Spain

Average snowfall in May - Riós, Spain
  • Average snowfall in May: 0mm

The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in May
Riós, Spain

Average snowfall days in May - Riós, Spain
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Riós, Spain

Average daylight in May / Average sunshine in May - Riós, Spain
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 9h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in May
Riós, Spain

Average sunshine days in May - Riós, Spain
  • Average sunshine days in May: 17.3 days

The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is November (13.5 days).

Average UV index in May
Riós, Spain

Average UV index in May - Riós, Spain
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Riós, Spain

Average cloud cover in May - Riós, Spain
  • Average cloud cover in May: 36

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in May
Riós, Spain

Average visibility in May - Riós, Spain
  • Average visibility in May: 8km

The month with the highest visibility is August (10km).
The month with the lowest visibility is January (6km).

Riós, Spain

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