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
May
Weather in May
Temperature
May comes with a subtle rise, with the average high-temperature adjusting from an enjoyable 17°C (62.6°F) in April to an agreeable 21.2°C (70.2°F). May nights show a substantial disparity from the daytime peak with an average low-temperature of 9°C (48.2°F).Humidity
In Nelas, the average relative humidity in May is 71%.Rainfall
In May, the rain falls for 10.9 days. Throughout May, 31mm (1.22") of precipitation is accumulated. Throughout the year, there are 125.4 rainfall days, and 553mm (21.77") of precipitation is accumulated.Snowfall
April through October and December are months without snowfall.Daylight
In Nelas, Portugal, the average length of the day in May is 14h and 27min.On the first day of May, sunrise is at 06:29 and sunset at 20:27. On the last day of the month, sunrise is at 06:03 and sunset at 20:55 WEST.
Sunshine
In May, the average sunshine is 9.6h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How much does it rain in May?
When it does not snow in Nelas?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Nelas have in May?
What is the UV index reading in May?
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).
