May weather forecastSerpente, Portugal

May

Weather in May

The last month of the spring, May, is a pleasant month in Serpente, Portugal, with temperature in the range of an average high of 20.1°C (68.2°F) and an average low of 12.3°C (54.1°F).

Temperature

The arrival of May sees an average high-temperature of an agreeable 20.1°C (68.2°F), hardly diverging from April's 17.2°C (63°F). In the month of May, Serpente experiences an average low-temperature of 12.3°C (54.1°F).

Humidity

The average relative humidity in May is 72%.

Rainfall

In Serpente, in May, during 10.8 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Serpente, during the entire year, the rain falls for 137 days and collects up to 815mm (32.09") of precipitation.

Daylight

In Serpente, the average length of the day in May is 14h and 30min.
On the first day of the month, sunrise is at 06:31 and sunset at 20:31. On the last day of May, sunrise is at 06:04 and sunset at 21:00 WEST.

Sunshine

In May, the average sunshine is 10h.

UV index

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A daily high UV index of 5 in May leads to these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Updated: Jun 21, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in May, in Serpente, is 20.1°C (68.2°F), while the average low-temperature is 12.3°C (54.1°F).

In May, the average relative humidity is 72%.

In May, in Serpente, the rain falls for 10.8 days. Throughout May, 40mm (1.57") of precipitation is accumulated.

The average day length in May in Serpente is 14h and 30min.

On the first day of May in Serpente, sunrise is at 06:31 and sunset at 20:31. On the last day of the month, sunrise is at 06:04 and sunset at 21:00 WEST.

In May, the average sunshine duration is 10h.

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Apr

May

Jun

Average high temperature

17.2°C

20.1°C

22.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.3km/h

12.6km/h

12.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

13.8

18.8

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Serpente, Portugal

Average high temperature in May: 20.1°C

The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (12.8°C).

Average low temperature in May: 12.3°C

The months with the highest average low temperature are July and August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.6°C).

Average pressure in May
Serpente, Portugal

Average pressure in May: 1016.5mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

Average wind speed in May
Serpente, Portugal

Average wind speed in May: 11.4km/h

The windiest month (with the highest average wind speed) is February (12.8km/h).
The calmest month (with the lowest average wind speed) is September (9.6km/h).

Average humidity in May
Serpente, Portugal

Average humidity in May: 72%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (68%).

Average rainfall in May
Serpente, Portugal

Average rainfall in May: 40mm

The wettest month (with the highest rainfall) is November (126mm).
The driest month (with the least rainfall) is July (9mm).

Average rainfall days in May
Serpente, Portugal

Average rainfall days in May: 10.8 days

The month with the highest number of rainy days is November (16.1 days).
The month with the least rainy days is August (4.7 days).

Average daylight in May /
Average sunshine in May
Serpente, 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 18min).

Average sunshine in May: 10h and 0min

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 0min).

Average sunshine days in May
Serpente, Portugal

Average sunshine days in May: 19 days

The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is November (11.9 days).

Average UV index in May
Serpente, 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, November and December (UV index 3).

Average cloud cover in May
Serpente, Portugal

Average cloud cover in May: 29

The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 18).

Average visibility in May
Serpente, Portugal

Average visibility in May: 9km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).