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
Entering May, Alvorninha notices a subtle temperature elevation, with the average high-temperature advancing from April's comfortable 17.8°C (64°F) to a pleasant 20.8°C (69.4°F). Throughout the month of May, Alvorninha observes an average nighttime temperature of 13.5°C (56.3°F).Humidity
The average relative humidity in May is 74%.Rainfall
In May, the rain falls for 8.6 days. Throughout May, 13mm (0.51") of precipitation is accumulated. In Alvorninha, during the entire year, the rain falls for 101.9 days and collects up to 170mm (6.69") of precipitation.Daylight
The average length of the day in May in Alvorninha is 14h and 21min.On the first day of May in Alvorninha, sunrise is at 06:36 and sunset at 20:29. On the last day of the month, sunrise is at 06:11 and sunset at 20:56 WEST.
Sunshine
In Alvorninha, the average sunshine in May is 10.2h.UV index
In May, the average daily maximum UV index in Alvorninha is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions
What is the temperature in May in Alvorninha?
What is the average humidity in May in Alvorninha?
How much does it rain in Alvorninha in May?
How many hours of daylight does Alvorninha have in May?
What time are sunrise and sunset in May in Alvorninha?
How many hours of sunshine does Alvorninha have in May?
How high is the UV index in May in Alvorninha?
Average temperature in May
Alvorninha, Portugal
- Average high temperature in May: 20.8°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (14°C).
- Average low temperature in May: 13.5°C
The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is February (8.8°C).
Average pressure in May
Alvorninha, Portugal
- Average pressure in May: 1016.4mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in May
Alvorninha, Portugal
- Average wind speed in May: 16km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is September (13.6km/h).
Average humidity in May
Alvorninha, Portugal
- Average humidity in May: 74%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are September and October (72%).
Average rainfall in May
Alvorninha, Portugal
- Average rainfall in May: 13mm
The wettest month (with the highest rainfall) is November (34mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in May
Alvorninha, Portugal
- Average rainfall days in May: 8.6 days
The month with the highest number of rainy days is November (13.7 days).
The month with the least rainy days is August (3 days).
Average daylight in May /
Average sunshine in May
Alvorninha, Portugal
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 10h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in May
Alvorninha, Portugal
- Average sunshine days in May: 20.3 days
The month with the most sunshine days is August (25 days).
The month with the least sunshine days is November (13.3 days).
Average UV index in May
Alvorninha, Portugal
- Average UV index in May: 5
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in May
Alvorninha, Portugal
- Average cloud cover in May: 28
The month with the most cloud cover is January (Cloud cover 44).
The months with the least cloud cover are August and September (Cloud cover 21).
Average visibility in May
Alvorninha, Portugal
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).
Alvorninha, Portugal
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