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 snowfall in May
- Average snowfall 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
May brings a slight rise in Arrifana's average high-temperature, moving from a comfortable 17°C (62.6°F) in April to a pleasant 20.7°C (69.3°F). May in Arrifana, Portugal, generally records an average low-temperature of 9.3°C (48.7°F).Humidity
In May, the average relative humidity in Arrifana is 72%.Rainfall
In Arrifana, during May, the rain falls for 12.4 days and regularly aggregates up to 50mm (1.97") of precipitation. In Arrifana, during the entire year, the rain falls for 149.8 days and collects up to 846mm (33.31") of precipitation.Snowfall
In Arrifana, snow does not fall in February through December.Daylight
In May, the average length of the day in Arrifana is 14h and 29min.On the first day of May, sunrise is at 06:31 and sunset at 20:30. On the last day of the month, sunrise is at 06:04 and sunset at 20:59 WEST.
Sunshine
The average sunshine in May in Arrifana is 9.2h.UV index
In Arrifana, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In May, an average UV index of 5 transforms into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What is the average May temperature in Arrifana?
What is the average humidity in May in Arrifana?
How many days does it rain in May in Arrifana?
When it does not snow in Arrifana?
How many hours of daylight does Arrifana have in May?
What time are sunrise and sunset in May in Arrifana?
How many hours of sunshine does Arrifana have in May?
How high is the UV index in May in Arrifana?
Average temperature in May
Arrifana, Portugal
- Average high temperature in May: 20.7°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (10.4°C).
- Average low temperature in May: 9.3°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.7°C).
Average pressure in May
Arrifana, Portugal
- Average pressure in May: 1016.5mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in May
Arrifana, Portugal
- Average wind speed in May: 7.2km/h
The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is September (6.3km/h).
Average humidity in May
Arrifana, Portugal
- Average humidity in May: 72%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (62%).
Average rainfall in May
Arrifana, Portugal
- Average rainfall in May: 50mm
The wettest month (with the highest rainfall) is December (129mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in May
Arrifana, Portugal
- Average rainfall days in May: 12.4 days
The month with the highest number of rainy days is April (17.1 days).
The month with the least rainy days is August (4.9 days).
Average snowfall in May
Arrifana, Portugal
- Average snowfall in May: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Arrifana, Portugal
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Arrifana, Portugal
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 9h and 1min
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 24min).
Average sunshine days in May
Arrifana, Portugal
- Average sunshine days in May: 16.1 days
The month with the most sunshine days is August (24.6 days).
The months with the least sunshine days are April and November (10.8 days).
Average UV index in May
Arrifana, 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 and February (UV index 2).
Average cloud cover in May
Arrifana, Portugal
- Average cloud cover in May: 37
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in May
Arrifana, Portugal
- Average visibility in May: 8km
The months with the highest visibility are August and September (9km).
The months with the lowest visibility are January and November (7km).
Arrifana, Portugal
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