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
May's arrival brings a slight change in high-temperatures, adjusting from a comfortable 17°C (62.6°F) in April to an agreeable 21.2°C (70.2°F). Throughout May, Nelas acknowledges a distinct difference between its daytime highs and the steady low average of 9°C (48.2°F).Humidity
In Nelas, the average relative humidity in May is 71%.Rainfall
In Nelas, in May, during 10.9 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, in Nelas, there are 125.4 rainfall days, and 553mm (21.77") of precipitation is accumulated.Snowfall
April through October and December are months without snowfall in Nelas.Daylight
The average length of the day in May is 14h and 27min.On the first day of the month, sunrise is at 06:29 and sunset at 20:27. On the last day of May, in Nelas, sunrise is at 06:03 and sunset at 20:55 WEST.
Sunshine
The average sunshine in May is 9.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 during May translates into the following guidance:
Act with care - The need to guard against sun damage is communicated. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. 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 temperature in May in Nelas?
What is the average humidity in May in Nelas?
How much does it rain in Nelas in May?
When it does not snow in Nelas?
How many hours of daylight does Nelas have in May?
When is the sunrise / sunset in May in Nelas?
How long on average sun shines in May in Nelas?
What is the UV index intensity in May in Nelas?
Average temperature in May
Nelas, Portugal
- Average high temperature in May: 21.2°C
The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (10.7°C).
- Average low temperature in May: 9°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).
Average pressure in May
Nelas, Portugal
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in May
Nelas, Portugal
- Average wind speed in May: 8.1km/h
The windiest month (with the highest average wind speed) is March (9.1km/h).
The calmest month (with the lowest average wind speed) is September (7km/h).
Average humidity in May
Nelas, Portugal
- Average humidity in May: 71%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (57%).
Average rainfall in May
Nelas, Portugal
- Average rainfall in May: 31mm
The wettest month (with the highest rainfall) is December (92mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in May
Nelas, Portugal
- Average rainfall days in May: 10.9 days
The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in May
Nelas, Portugal
- Average snowfall in May: 0mm
The months with the highest snowfall are January and February (3mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in May
Nelas, Portugal
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Nelas, Portugal
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in May
Nelas, Portugal
- Average sunshine days in May: 18.3 days
The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is April (13 days).
Average UV index in May
Nelas, Portugal
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Nelas, Portugal
- Average cloud cover in May: 36
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in May
Nelas, Portugal
- Average visibility in May: 8km
The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January and November (7km).
Nelas, Portugal
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