Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As Portalegre enters May, the average high-temperature increases from the an enjoyable 18.8°C (65.8°F) of April to a moderately hot 23.8°C (74.8°F). Portalegre in May observes a sharp transition from the daytime heat, falling to an average low of 11.7°C (53.1°F).Humidity
In Portalegre, Portugal, the average relative humidity in May is 63%.Rainfall
In Portalegre, in May, during 6.5 rainfall days, 15mm (0.59") of precipitation is typically accumulated. In Portalegre, Portugal, during the entire year, the rain falls for 78.7 days and collects up to 219mm (8.62") of precipitation.Snowfall
In Portalegre, Portugal, snow does not fall in April through December.Daylight
The average length of the day in May in Portalegre is 14h and 20min.On the first day of May in Portalegre, sunrise is at 06:30 and sunset at 20:23. On the last day of the month, sunrise is at 06:05 and sunset at 20:49 WEST.
Sunshine
In May, the average sunshine is 10.2h.UV index
The average daily maximum UV index in May in Portalegre is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 6 in May translates into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the average May temperature in Portalegre?
What is the average humidity in May in Portalegre?
How many days does it rain in May in Portalegre?
When it does not snow in Portalegre?
What is the average length of the day in May in Portalegre?
What time are sunrise and sunset in May in Portalegre?
How many hours of sunshine does Portalegre have in May?
What is the UV index intensity in May in Portalegre?
Average temperature in May
Portalegre, Portugal
- Average high temperature in May: 23.8°C
The warmest month (with the highest average high temperature) is August (33.3°C).
The month with the lowest average high temperature is January (11.9°C).
- Average low temperature in May: 11.7°C
The month with the highest average low temperature is August (17.7°C).
The coldest month (with the lowest average low temperature) is January (4.2°C).
Average pressure in May
Portalegre, Portugal
- Average pressure in May: 1015.8mbar
The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in May
Portalegre, Portugal
- Average wind speed in May: 10.4km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is September (8.4km/h).
Average humidity in May
Portalegre, Portugal
- Average humidity in May: 63%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (43%).
Average rainfall in May
Portalegre, Portugal
- Average rainfall in May: 15mm
The wettest month (with the highest rainfall) is November (39mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in May
Portalegre, Portugal
- Average rainfall days in May: 6.5 days
The month with the highest number of rainy days is April (11.7 days).
The month with the least rainy days is July (1.7 days).
Average snowfall in May
Portalegre, Portugal
- Average snowfall in May: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Portalegre, Portugal
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Portalegre, Portugal
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 10h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in May
Portalegre, Portugal
- Average sunshine days in May: 22.9 days
The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is April (16.6 days).
Average UV index in May
Portalegre, Portugal
- Average UV index in May: 6
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in May
Portalegre, Portugal
- Average cloud cover in May: 27
The month with the most cloud cover is January (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in May
Portalegre, Portugal
- Average visibility in May: 9km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).
Portalegre, Portugal
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