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
As April transitions into May, a subtle temperature shift is observed, with average highs adjusting from a refreshing 17.9°C (64.2°F) to a pleasant 21.8°C (71.2°F). In São João de Areias, the May nights cool down to an average low of 10.2°C (50.4°F).Humidity
In May, the average relative humidity is 70%.Rainfall
In São João de Areias, in May, it is raining for 10.9 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, there are 127.4 rainfall days, and 613mm (24.13") of precipitation is accumulated.Snowfall
In São João de Areias, Portugal, snow does not fall in May through October and December.Daylight
In May, the average length of the day in São João de Areias, Portugal, is 14h and 26min.On the first day of May, sunrise is at 06:30 and sunset at 20:27. On the last day of the month, sunrise is at 06:04 and sunset at 20:55 WEST.
Sunshine
In May, the average sunshine in São João de Areias is 10h.UV index
The average daily maximum UV index in May in São João de Areias is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Take precautions - Protection against skin and eye damage is obliged. It's recommended to limit sun exposure when its radiation is at its peak during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What are May temperatures in São João de Areias?
What is the average humidity in May in São João de Areias?
How many days does it rain in May in São João de Areias?
When it does not snow in São João de Areias?
Does it snow in São João de Areias in May?
How many hours of daylight does São João de Areias have in May?
When are sunrise and sunset in May in São João de Areias?
How many hours of sunshine does São João de Areias have in May?
What is the UV index reading in May in São João de Areias?
Average temperature in May
São João de Areias, Portugal
- Average high temperature in May: 21.8°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (12°C).
- Average low temperature in May: 10.2°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (4.3°C).
Average pressure in May
São João de Areias, Portugal
- Average pressure in May: 1016.3mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in May
São João de Areias, Portugal
- Average wind speed in May: 7.9km/h
The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is September (6.9km/h).
Average humidity in May
São João de Areias, Portugal
- Average humidity in May: 70%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (62%).
Average rainfall in May
São João de Areias, Portugal
- Average rainfall in May: 33mm
The wettest month (with the highest rainfall) is November (96mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in May
São João de Areias, Portugal
- Average rainfall days in May: 10.9 days
The months with the highest number of rainy days are January and April (14.7 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in May
São João de Areias, Portugal
- Average snowfall in May: 0mm
The months with the highest snowfall are January and March (2mm).
The months with the least snowfall are May, June, July, August, September, October and December (0mm).
Average snowfall days in May
São João de Areias, Portugal
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January, February and March (0.3 days).
The months with the least snowfall days are May, June, July, August, September, October and December (0 days).
Average daylight in May /
Average sunshine in May
São João de Areias, 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: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
São João de Areias, Portugal
- Average sunshine days in May: 17.8 days
The month with the most sunshine days is August (25 days).
The month with the least sunshine days is November (13.5 days).
Average UV index in May
São João de Areias, Portugal
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
São João de Areias, Portugal
- Average cloud cover in May: 32
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in May
São João de Areias, 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 (7km).
São João de Areias, Portugal
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