May weather forecastDume, Portugal

May

Weather in May

The last month of the spring, May, is an agreeable month in Dume, Portugal, with temperature in the range of an average low of 10.3°C (50.5°F) and an average high of 21.3°C (70.3°F).

Temperature

May's arrival coincides with a marginal rise in the average high-temperature, moving from April's refreshing 17.6°C (63.7°F) to an agreeable 21.3°C (70.3°F). May nights in Dume experience a consistent temperature drop to a cool 10.3°C (50.5°F).

Humidity

In May, the average relative humidity in Dume is 72%.

Rainfall

In May, in Dume, Portugal, the rain falls for 11.2 days. Throughout May, 47mm (1.85") of precipitation is accumulated. In Dume, during the entire year, the rain falls for 139.7 days and collects up to 924mm (36.38") of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

In May, the average length of the day is 14h and 32min.
On the first day of the month, sunrise is at 06:29 and sunset at 20:31. On the last day of May, sunrise is at 06:02 and sunset at 21:00 WEST.

Sunshine

In Dume, the average sunshine in May is 9.5h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 5 in May leads to these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. 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

The average high-temperature and low-temperature in Dume, Portugal, during May are 21.3°C (70.3°F) and 10.3°C (50.5°F) respectively.

In May, the average relative humidity is 72%.

In Dume, Portugal, in May, during 11.2 rainfall days, 47mm (1.85") of precipitation is typically accumulated.

In Dume, Portugal, snow does not fall in February through December.

In Dume, Portugal, the average day length in May is 14h and 32min.

In May, on the first day of the month, sunrise is at 06:29 and sunset at 20:31. On the last day of the month, in Dume, sunrise is at 06:02 and sunset at 21:00 WEST.

The average sunshine duration in May is 9.5h.

The average daily maximum UV index in May in Dume 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

17.6°C

21.3°C

24.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.5km/h

8.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.4

18.4

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Dume, Portugal

Average high temperature in May: 21.3°C

The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (11.8°C).

Average low temperature in May: 10.3°C

The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (5°C).

Average pressure in May
Dume, Portugal

Average pressure in May: 1016.7mbar

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
Dume, Portugal

Average wind speed in May: 7.6km/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 (6.7km/h).

Average humidity in May
Dume, Portugal

Average humidity in May: 72%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (64%).

Average rainfall in May
Dume, Portugal

Average rainfall in May: 47mm

The wettest month (with the highest rainfall) is November (136mm).
The driest month (with the least rainfall) is July (11mm).

Average rainfall days in May
Dume, Portugal

Average rainfall days in May: 11.2 days

The month with the highest number of rainy days is January (15.8 days).
The month with the least rainy days is August (5.2 days).

Average snowfall in May
Dume, Portugal

Average snowfall in May: 0mm

The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in May
Dume, Portugal

Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in May /
Average sunshine in May
Dume, 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 30min

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 42min).

Average sunshine days in May
Dume, Portugal

Average sunshine days in May: 18.4 days

The month with the most sunshine days is August (24.4 days).
The month with the least sunshine days is April (12.4 days).

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