Weather in May
Temperature
During May, the average high-temperature is a pleasant 21°C (69.8°F), maintaining a close resemblance to that of the preceding month. Throughout May, Santa Cruz witnesses a nighttime temperature average of 15°C (59°F).Rainfall
In Santa Cruz, in May, during 14 rainfall days, 18mm (0.71") of precipitation is typically accumulated. In Santa Cruz, during the entire year, the rain falls for 191 days and collects up to 592mm (23.31") of precipitation.Sea temperature
In Santa Cruz, the average seawater temperature in May is 19°C (66.2°F).Note: A surface water temperature of 19°C (66.2°F) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 21°C (69.8°F).
Daylight
In May, the average length of the day is 13h and 51min.On the first day of May in Santa Cruz, Portugal, sunrise is at 07:19 and sunset at 20:48. On the last day of the month, sunrise is at 07:00 and sunset at 21:09 WEST.
Sunshine
In Santa Cruz, the average sunshine in May is 7h.UV index
In Santa Cruz, the average daily maximum UV index in May is 9. A UV Index reading of 8 to 10 represents a very high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 9 during May translates into these guidelines:
Always remain cautious. Unprotected skin and eyes are prone to swift harm. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the usual temperature for Santa Cruz in May?
How many days does it rain in May in Santa Cruz?
How cold is the water in May in Santa Cruz?
How many hours of daylight does Santa Cruz have in May?
When are sunrise and sunset in May in Santa Cruz?
How many hours of sunshine does Santa Cruz have in May?
How high is the UV index in May in Santa Cruz?
Average temperature in May
Santa Cruz, Portugal
- Average high temperature in May: 21°C
The warmest months (with the highest average high temperature) are August and September (25°C).
The month with the lowest average high temperature is February (18°C).
- Average low temperature in May: 15°C
The months with the highest average low temperature are July, August and September (19°C).
The coldest months (with the lowest average low temperature) are January, February and March (13°C).
Average rainfall in May
Santa Cruz, Portugal
- Average rainfall in May: 18mm
The wettest month (with the highest rainfall) is January (96mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in May
Santa Cruz, Portugal
- Average rainfall days in May: 14 days
The month with the highest number of rainy days is January (20 days).
The months with the least rainy days are June, July and August (12 days).
Average sea temperature in May
Santa Cruz, 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
Santa Cruz, 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: 7h
The months with the most sunshine are July and August (Average sunshine: 8h).
The months with the least sunshine are January, February, November and December (Average sunshine: 5h).
Average UV index in May
Santa Cruz, Portugal
- Average UV index in May: 9
The months with the highest UV index are June, July and August (UV index 10).
The months with the lowest UV index are January and December (UV index 3).
Santa Cruz, Portugal
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