May weather forecastSete Rios, Portugal

May

Weather in May

May, the last month of the spring in Sete Rios, is an agreeable month, with an average temperature fluctuating between 21.9°C (71.4°F) and 14.4°C (57.9°F).

Temperature

May marks a minor ascent in the average high-temperature, adjusting from April's comfortable 18.8°C (65.8°F) to a pleasant 21.9°C (71.4°F). Sete Rios records an average nighttime low of 14.4°C (57.9°F) in May.

Humidity

In May, the average relative humidity is 69%.

Rainfall

In May, the rain falls for 9.3 days. Throughout May, 27mm (1.06") of precipitation is accumulated. Throughout the year, in Sete Rios, there are 112 rainfall days, and 360mm (14.17") of precipitation is accumulated.

Daylight

In Sete Rios, the average length of the day in May is 14h and 18min.
On the first day of the month, sunrise is at 06:38 and sunset at 20:29. On the last day of May, sunrise is at 06:13 and sunset at 20:55 WEST.

Sunshine

The average sunshine in May is 10.5h.

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 5 during May translates into the following guidance:
Guard yourself - An obligation to protect skin and eyes from harm exists. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Updated: Aug 19, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during May is 21.9°C (71.4°F) and the low-temperature is 14.4°C (57.9°F).

The average relative humidity in May is 69%.

In May, the rain falls for 9.3 days. Throughout May, 27mm (1.06") of precipitation is accumulated.

In May, the average day length in Sete Rios is 14h and 18min.

On the first day of May, sunrise is at 06:38 and sunset at 20:29. On the last day of the month, sunrise is at 06:13 and sunset at 20:55 WEST.

In May, the average sunshine duration is 10.5h.

In Sete Rios, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

18.8°C

21.9°C

24.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

15.8km/h

16.4km/h

16.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

14.5

22.1

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Sete Rios, Portugal

Average high temperature in May: 21.9°C

The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (14.8°C).

Average low temperature in May: 14.4°C

The month with the highest average low temperature is August (17.6°C).
The coldest month (with the lowest average low temperature) is February (9.4°C).

Average pressure in May
Sete Rios, Portugal

Average pressure in May: 1016.5mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed in May
Sete Rios, Portugal

Average wind speed in May: 15.1km/h

The windiest months (with the highest average wind speed) are February and July (15.9km/h).
The calmest months (with the lowest average wind speed) are September and October (12.9km/h).

Average humidity in May
Sete Rios, Portugal

Average humidity in May: 69%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (68%).

Average rainfall in May
Sete Rios, Portugal

Average rainfall in May: 27mm

The wettest month (with the highest rainfall) is November (61mm).
The driest month (with the least rainfall) is July (3mm).

Average rainfall days in May
Sete Rios, Portugal

Average rainfall days in May: 9.3 days

The month with the highest number of rainy days is November (14.1 days).
The month with the least rainy days is August (2.3 days).

Average daylight in May /
Average sunshine in May
Sete Rios, Portugal

Average daylight in May: 14h and 18min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

Average sunshine in May: 10h and 30min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in May
Sete Rios, Portugal

Average sunshine days in May: 20 days

The month with the most sunshine days is August (26.4 days).
The months with the least sunshine days are April and November (14.5 days).

Average UV index in May
Sete Rios, Portugal

Average UV index in May: 5

The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in May
Sete Rios, Portugal

Average cloud cover in May: 25

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in May
Sete Rios, Portugal

Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).