May weather forecastArentim, Portugal

May

Weather in May

The last month of the spring, May, is a pleasant month in Arentim, Portugal, with an average temperature varying between 21.4°C (70.5°F) and 11.3°C (52.3°F).

Temperature

May brings a slight increase in the average high-temperature, progressing from an enjoyable 18°C (64.4°F) in April to a pleasant 21.4°C (70.5°F). Arentim witnesses an average low-temperature of 11.3°C (52.3°F) throughout the month of May.

Humidity

In May, the average relative humidity is 71%.

Rainfall

In Arentim, in May, during 10.2 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, there are 127.3 rainfall days, and 823mm (32.4") of precipitation is accumulated.

Daylight

In Arentim, the average length of the day in May is 14h and 32min.
On the first day of May, sunrise is at 06:30 and sunset at 20:32. On the last day of the month, sunrise is at 06:02 and sunset at 21:00 WEST.

Sunshine

The average sunshine in May in Arentim is 9.6h.

UV index

In May, the average daily maximum UV index in Arentim is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 5 during May leads to these advisories:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In May, in Arentim, the average high-temperature is 21.4°C (70.5°F), and the average low-temperature is 11.3°C (52.3°F).

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

In Arentim, Portugal, in May, during 10.2 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

The average day length in May in Arentim is 14h and 32min.

In May, on the first day of the month, sunrise is at 06:30 and sunset at 20:32. On the last day of the month, in Arentim, Portugal, sunrise is at 06:02 and sunset at 21:00 WEST.

In May, the average sunshine duration in Arentim is 9.6h.

The average daily maximum UV index in May in Arentim, Portugal, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from 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°C

21.4°C

23.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.5km/h

9.6km/h

9.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

15.1

19.7

20.3

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Arentim, Portugal

Average high temperature in May: 21.4°C

The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is January (12.6°C).

Average low temperature in May: 11.3°C

The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).

Average pressure in May
Arentim, Portugal

Average pressure in May: 1016.6mbar

The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

Average wind speed in May
Arentim, Portugal

Average wind speed in May: 8.5km/h

The windiest month (with the highest average wind speed) is March (9.3km/h).
The calmest month (with the lowest average wind speed) is September (7.4km/h).

Average humidity in May
Arentim, Portugal

Average humidity in May: 71%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are August and September (65%).

Average rainfall in May
Arentim, Portugal

Average rainfall in May: 36mm

The wettest month (with the highest rainfall) is November (125mm).
The driest month (with the least rainfall) is July (8mm).

Average rainfall days in May
Arentim, Portugal

Average rainfall days in May: 10.2 days

The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is August (3.5 days).

Average daylight in May /
Average sunshine in May
Arentim, Portugal

Average daylight in May: 14h and 30min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

Average sunshine in May: 9h and 36min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in May
Arentim, Portugal

Average sunshine days in May: 19.7 days

The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is November (13.2 days).

Average UV index in May
Arentim, Portugal

Average UV index in May: 5

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

Average cloud cover in May
Arentim, Portugal

Average cloud cover in May: 32

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in May
Arentim, Portugal

Average visibility in May: 9km

The months with the highest visibility are February, March, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and April (8km).