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 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
May
Weather in May
Temperature
The average high-temperature mildly increases in May, edging from a refreshing 18.4°C (65.1°F) in April to an agreeable 22°C (71.6°F). In Regato, the nighttime temperature averages to a fresh 11.8°C (53.2°F) during May.Humidity
The average relative humidity in May is 72%.Rainfall
In Regato, Portugal, in May, it is raining for 6.2 days, with typically 11mm (0.43") of accumulated precipitation. In Regato, during the entire year, the rain falls for 79 days and collects up to 141mm (5.55") of precipitation.Daylight
In Regato, Portugal, the average length of the day in May is 14h and 22min.On the first day of May, sunrise is at 06:34 and sunset at 20:28. On the last day of the month, sunrise is at 06:08 and sunset at 20:55 WEST.
Sunshine
In May, the average sunshine is 9.9h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How much does it rain in May?
How many hours of daylight does Regato have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Regato, Portugal
- Average high temperature in May: 22°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 (13.4°C).
- Average low temperature in May: 11.8°C
The month with the highest average low temperature is July (15°C).
The coldest months (with the lowest average low temperature) are January and February (6.7°C).
Average pressure in May
Regato, Portugal
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in May
Regato, Portugal
- Average wind speed in May: 11km/h
The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest month (with the lowest average wind speed) is September (9.2km/h).
Average humidity in May
Regato, Portugal
- Average humidity in May: 72%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (68%).
Average rainfall in May
Regato, Portugal
- Average rainfall in May: 11mm
The wettest month (with the highest rainfall) is November (27mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in May
Regato, Portugal
- Average rainfall days in May: 6.2 days
The month with the highest number of rainy days is April (11.3 days).
The month with the least rainy days is August (1.9 days).
Average daylight in May /
Average sunshine in May
Regato, 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 24min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in May
Regato, Portugal
- Average sunshine days in May: 22.6 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is April (16.2 days).
Average UV index in May
Regato, 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
Regato, Portugal
- Average cloud cover in May: 30
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in May
Regato, Portugal
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (9km).
The months with the lowest visibility are July and August (8km).
