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
May
Weather in May
Temperature
May signifies a subtle uplift in the average high-temperature, adjusting from a comfortable 17.4°C (63.3°F) in April to an agreeable 21.3°C (70.3°F). During May, the nighttime temperature averages of 9.9°C (49.8°F).Humidity
In Caldelas, the average relative humidity in May is 73%.Rainfall
In Caldelas, Portugal, in May, it is raining for 12.5 days, with typically 53mm (2.09") of accumulated precipitation. Throughout the year, there are 150 rainfall days, and 997mm (39.25") of precipitation is accumulated.Daylight
In May, the average length of the day in Caldelas is 14h and 33min.On the first day of the month, sunrise is at 06:29 and sunset at 20:31. On the last day of May, sunrise is at 06:01 and sunset at 21:00 WEST.
Sunshine
The average sunshine in May in Caldelas is 9.4h.UV index
The average daily maximum UV index in May in Caldelas, Portugal, is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 5 in May suggests the following recommendations:
Take precautions - Protection against sunburn is recommended. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Caldelas in May?
What is the average humidity in May in Caldelas?
How much does it rain in Caldelas in May?
What is the average length of the day in May in Caldelas?
When are sunrise and sunset in May in Caldelas?
How many hours of sunshine does Caldelas have in May?
How high is the UV index in May in Caldelas?
Average temperature in May
Caldelas, Portugal
- Average high temperature in May: 21.3°C
The warmest month (with the highest average high temperature) is August (27.6°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in May: 9.9°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (4.7°C).
Average pressure in May
Caldelas, Portugal
- Average pressure in May: 1016.7mbar
The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in May
Caldelas, Portugal
- Average wind speed in May: 7.5km/h
The windiest months (with the highest average wind speed) are February and March (8.2km/h).
The calmest month (with the lowest average wind speed) is September (6.6km/h).
Average humidity in May
Caldelas, Portugal
- Average humidity in May: 73%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (65%).
Average rainfall in May
Caldelas, Portugal
- Average rainfall in May: 53mm
The wettest month (with the highest rainfall) is November (146mm).
The driest month (with the least rainfall) is July (12mm).
Average rainfall days in May
Caldelas, Portugal
- Average rainfall days in May: 12.5 days
The month with the highest number of rainy days is January (17.3 days).
The month with the least rainy days is August (5.4 days).
Average daylight in May /
Average sunshine in May
Caldelas, Portugal
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 9h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in May
Caldelas, Portugal
- Average sunshine days in May: 17.1 days
The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is April (10.5 days).
Average UV index in May
Caldelas, 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, March, April, November and December (UV index 3).
Average cloud cover in May
Caldelas, Portugal
- Average cloud cover in May: 36
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in May
Caldelas, Portugal
- Average visibility in May: 8km
The month with the highest visibility is September (9km).
The month with the lowest visibility is January (7km).
