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 sea temperature 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
With the transition into May, Santo da Serra notes an average high-temperature of a still enjoyable 18.9°C (66°F), closely resembling April. May nights in Santo da Serra witness a mild cool down to an average low of 17.9°C (64.2°F).Humidity
In Santo da Serra, the average relative humidity in May is 77%.Rainfall
In Santo da Serra, Portugal, during May, the rain falls for 6.1 days and regularly aggregates up to 7mm (0.28") of precipitation. In Santo da Serra, during the entire year, the rain falls for 105.6 days and collects up to 190mm (7.48") of precipitation.Sea temperature
In Santo da Serra, the average seawater temperature in May is 19°C (66.2°F).Note: Swimming in water at 19°C (66.2°F) is not a pleasurable experience for most. The task of managing breathing becomes more challenging as the water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in May in Santo da Serra, Portugal, is 13h and 51min.On the first day of the month, sunrise is at 07:19 and sunset at 20:49. On the last day of May, in Santo da Serra, Portugal, sunrise is at 07:00 and sunset at 21:09 WEST.
Sunshine
In Santo da Serra, the average sunshine in May is 8.6h.UV index
January through May, November and December, with an average maximum UV index of 5, are months with the lowest UV index in Santo da Serra. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 5 in May translates into this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the usual temperature for Santo da Serra in May?
What is the average humidity in May in Santo da Serra?
How much does it rain in Santo da Serra in May?
How cold is the water in May in Santo da Serra?
How many hours of daylight does Santo da Serra have in May?
What time are sunrise and sunset in May in Santo da Serra?
How long on average sun shines in May in Santo da Serra?
When is the lowest UV index in Santo da Serra?
What is the UV index intensity in May in Santo da Serra?
Average temperature in May
Santo da Serra, Portugal
- Average high temperature in May: 18.9°C
The warmest months (with the highest average high temperature) are August and September (22.8°C).
The months with the lowest average high temperature are February and March (17.3°C).
- Average low temperature in May: 17.9°C
The month with the highest average low temperature is September (22.1°C).
The coldest month (with the lowest average low temperature) is March (15.9°C).
Average pressure in May
Santo da Serra, Portugal
- Average pressure in May: 1019.1mbar
The month with the highest atmospheric pressure is January (1024.1mbar).
The month with the lowest atmospheric pressure is October (1017mbar).
Average wind speed in May
Santo da Serra, Portugal
- Average wind speed in May: 21.1km/h
The windiest months (with the highest average wind speed) are February and March (23.8km/h).
The calmest month (with the lowest average wind speed) is September (18.5km/h).
Average humidity in May
Santo da Serra, Portugal
- Average humidity in May: 77%
The month with the highest relative humidity is August (81%).
The months with the lowest relative humidity are January, February and November (73%).
Average rainfall in May
Santo da Serra, Portugal
- Average rainfall in May: 7mm
The wettest month (with the highest rainfall) is October (34mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in May
Santo da Serra, Portugal
- Average rainfall days in May: 6.1 days
The month with the highest number of rainy days is November (14.2 days).
The month with the least rainy days is August (4.3 days).
Average sea temperature in May
Santo da Serra, Portugal
- Average sea temperature in May: 19°C
The best months for swimming (with the highest average sea temperature) are August and September (23°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (18°C).
Average daylight in May /
Average sunshine in May
Santo da Serra, Portugal
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 7h and 36min).
Average sunshine days in May
Santo da Serra, Portugal
- Average sunshine days in May: 18 days
The month with the most sunshine days is August (20.6 days).
The month with the least sunshine days is November (10.1 days).
Average UV index in May
Santo da Serra, Portugal
- Average UV index in May: 5
The months with the highest UV index are June, July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 5).
Average cloud cover in May
Santo da Serra, Portugal
- Average cloud cover in May: 32
The months with the most cloud cover are January and November (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in May
Santo da Serra, 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).
Santo da Serra, Portugal
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