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 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
The average high-temperature mildly increases in May, edging from a refreshing 18.2°C (64.8°F) in April to a pleasant 21.7°C (71.1°F). May nights in Santa Clara-a-Velha observe an average temperature dip to a mild 14.3°C (57.7°F).Humidity
The average relative humidity in May in Santa Clara-a-Velha is 70%.Rainfall
In Santa Clara-a-Velha, in May, it is raining for 6.5 days, with typically 11mm (0.43") of accumulated precipitation. Throughout the year, there are 85.4 rainfall days, and 164mm (6.46") of precipitation is accumulated.Daylight
In Santa Clara-a-Velha, the average length of the day in May is 14h and 12min.On the first day of the month, sunrise is at 06:37 and sunset at 20:24. On the last day of May, sunrise is at 06:14 and sunset at 20:48 WEST.
Sunshine
The average sunshine in May in Santa Clara-a-Velha is 11h.UV index
May through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 6 translates into these guidelines:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What are May temperatures in Santa Clara-a-Velha?
What is the average humidity in May in Santa Clara-a-Velha?
How many days does it rain in May in Santa Clara-a-Velha?
How many hours of daylight does Santa Clara-a-Velha have in May?
When is the sunrise / sunset in May in Santa Clara-a-Velha?
How long on average sun shines in May in Santa Clara-a-Velha?
When is the highest UV index in Santa Clara-a-Velha?
What is the UV index intensity in May in Santa Clara-a-Velha?
Average temperature in May
Santa Clara-a-Velha, Portugal
- Average high temperature in May: 21.7°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (14.5°C).
- Average low temperature in May: 14.3°C
The month with the highest average low temperature is August (18.4°C).
The coldest month (with the lowest average low temperature) is February (9.2°C).
Average pressure in May
Santa Clara-a-Velha, Portugal
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in May
Santa Clara-a-Velha, Portugal
- Average wind speed in May: 13.9km/h
The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is September (11.2km/h).
Average humidity in May
Santa Clara-a-Velha, Portugal
- Average humidity in May: 70%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (65%).
Average rainfall in May
Santa Clara-a-Velha, Portugal
- Average rainfall in May: 11mm
The wettest month (with the highest rainfall) is November (25mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in May
Santa Clara-a-Velha, Portugal
- Average rainfall days in May: 6.5 days
The month with the highest number of rainy days is March (12.2 days).
The month with the least rainy days is August (1.5 days).
Average daylight in May /
Average sunshine in May
Santa Clara-a-Velha, Portugal
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 11h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in May
Santa Clara-a-Velha, Portugal
- Average sunshine days in May: 21.5 days
The month with the most sunshine days is July (28.6 days).
The month with the least sunshine days is April (15.3 days).
Average UV index in May
Santa Clara-a-Velha, Portugal
- Average UV index in May: 6
The months with the highest UV index are May, June, July, August and September (UV index 6).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in May
Santa Clara-a-Velha, Portugal
- Average cloud cover in May: 21
The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in May
Santa Clara-a-Velha, 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).
Santa Clara-a-Velha, Portugal
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