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
Weather in May
Temperature
As Rosais, Portugal, transitions from April to May, the average high-temperatures adjust to a still refreshing 17.1°C (62.8°F), nearly the same as the previous 15.9°C (60.6°F). Maintaining close parity with daytime warmth, the average nocturnal temperature in Rosais during May stays at a moderate 15.5°C (59.9°F).Humidity
In Rosais, the average relative humidity in May is 81%.Rainfall
In Rosais, in May, during 17.1 rainfall days, 63mm (2.48") of precipitation is typically accumulated. Throughout the year, there are 204.1 rainfall days, and 744mm (29.29") of precipitation is accumulated.Daylight
In Rosais, the average length of the day in May is 14h and 18min.On the first day of the month, sunrise is at 06:54 and sunset at 20:45. On the last day of May, sunrise is at 06:30 and sunset at 21:11 +00.
Sunshine
In May, the average sunshine is 7.6h.UV index
January through May, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Rosais. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 4 in May transforms into this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What is the usual temperature for Rosais in May?
What is the average humidity in May in Rosais?
How many days does it rain in May in Rosais?
What is the average length of the day in May in Rosais?
When is the sunrise / sunset in May in Rosais?
How many hours of sunshine does Rosais have in May?
What is the month with the lowest UV index in Rosais?
What is the UV index reading in May in Rosais?
Average temperature in May
Rosais, Portugal
- Average high temperature in May: 17.1°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is March (15.3°C).
- Average low temperature in May: 15.5°C
The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is March (13.8°C).
Average pressure in May
Rosais, Portugal
- Average pressure in May: 1021.2mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is October (1016.8mbar).
Average wind speed in May
Rosais, Portugal
- Average wind speed in May: 20.3km/h
The windiest month (with the highest average wind speed) is December (25.6km/h).
The calmest month (with the lowest average wind speed) is July (14.4km/h).
Average humidity in May
Rosais, Portugal
- Average humidity in May: 81%
The month with the highest relative humidity is June (83%).
The months with the lowest relative humidity are September and November (78%).
Average rainfall in May
Rosais, Portugal
- Average rainfall in May: 63mm
The wettest month (with the highest rainfall) is December (116mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days in May
Rosais, Portugal
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is October (20 days).
The month with the least rainy days is July (13.6 days).
Average daylight in May /
Average sunshine in May
Rosais, Portugal
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 7h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in May
Rosais, Portugal
- Average sunshine days in May: 7.8 days
The month with the most sunshine days is July (11 days).
The months with the least sunshine days are February and December (6.3 days).
Average UV index in May
Rosais, Portugal
- Average UV index in May: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 4).
Average cloud cover in May
Rosais, Portugal
- Average cloud cover in May: 53
The months with the most cloud cover are January, March, November and December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in May
Rosais, Portugal
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Rosais, Portugal
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