May weather forecastFontelo, Portugal
May
Weather in May
The last month of the spring, May, is an agreeable month in Fontelo, Portugal, with an average temperature ranging between min 8.9°C (48°F) and max 20.4°C (68.7°F).Temperature
With the beginning of May, Fontelo's average high-temperature sees a minor increase, transitioning from a refreshing 16.3°C (61.3°F) in April to an agreeable 20.4°C (68.7°F). Fontelo's temperature lowers to a mean of 8.9°C (48°F) during the nights in May.Humidity
In May, the average relative humidity in Fontelo is 70%.Rainfall
In Fontelo, Portugal, in May, during 10.3 rainfall days, 25mm (0.98") of precipitation is typically accumulated. Throughout the year, there are 108.1 rainfall days, and 286mm (11.26") of precipitation is accumulated.Snowfall
In Fontelo, snow does not fall in April through October.Daylight
In May, the average length of the day is 14h and 30min.On the first day of the month, sunrise is at 06:27 and sunset at 20:28. On the last day of May, sunrise is at 06:00 and sunset at 20:56 WEST.
Sunshine
In May, the average sunshine is 9.3h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the maximum UV index of 5 suggests these recommendations:
Heed the precautions - It is counselled to guard against solar damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Fontelo, Portugal
- Average high temperature in May: 20.4°C
The warmest month (with the highest average high temperature) is July (28.8°C).
The month with the lowest average high temperature is January (9.4°C).
- Average low temperature in May: 8.9°C
The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in May
Fontelo, Portugal
- Average pressure in May: 1016.5mbar
The month with the highest atmospheric pressure is December (1022.8mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in May
Fontelo, Portugal
- Average wind speed in May: 7.5km/h
The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).
Average humidity in May
Fontelo, Portugal
- Average humidity in May: 70%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (56%).
Average rainfall in May
Fontelo, Portugal
- Average rainfall in May: 25mm
The wettest month (with the highest rainfall) is December (49mm).
The driest month (with the least rainfall) is July (8mm).
Average rainfall days in May
Fontelo, Portugal
- Average rainfall days in May: 10.3 days
The month with the highest number of rainy days is April (13.6 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in May
Fontelo, Portugal
- Average snowfall in May: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Fontelo, Portugal
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.8 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
Fontelo, Portugal
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 9h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Fontelo, Portugal
- Average sunshine days in May: 18.3 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is April (14.1 days).
Average UV index in May
Fontelo, 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
Fontelo, Portugal
- Average cloud cover in May: 37
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in May
Fontelo, Portugal
- Average visibility in May: 8km
The months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is January (6km).





