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 sea temperature 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 beginning of May in Guia marks a minor shift in the average high-temperature, moving from April's refreshing 18.2°C (64.8°F) to an agreeable 21.3°C (70.3°F). Guia observes an average nighttime temperature of 15.5°C (59.9°F) during May.Humidity
In Guia, Portugal, the average relative humidity in May is 70%.Rainfall
In Guia, in May, during 4.1 rainfall days, 6mm (0.24") of precipitation is typically accumulated. Throughout the year, there are 62.4 rainfall days, and 78mm (3.07") of precipitation is accumulated.Sea temperature
In Guia, in May, the average water temperature is 17°C (62.6°F).Note: Swimming in water of 17°C (62.6°F) is not enjoyable for the majority of individuals. Breathing control becomes increasingly challenging as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Guia, the average length of the day in May is 14h and 10min.On the first day of the month, sunrise is at 06:37 and sunset at 20:22. On the last day of May, sunrise is at 06:14 and sunset at 20:47 WEST.
Sunshine
In Guia, the average sunshine in May is 11.1h.UV index
The average daily maximum UV index in May in Guia is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 during May translates into the following guidance:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the usual temperature for Guia in May?
What is the average humidity in May in Guia?
How much does it rain in Guia in May?
How cold is the water in May in Guia?
How many hours of daylight does Guia have in May?
When is the sunrise / sunset in May in Guia?
How many hours of sunshine does Guia have in May?
What is the UV index intensity in May in Guia?
Average temperature in May
Guia, Portugal
- Average high temperature in May: 21.3°C
The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (15°C).
- Average low temperature in May: 15.5°C
The month with the highest average low temperature is August (19.7°C).
The coldest month (with the lowest average low temperature) is February (10.6°C).
Average pressure in May
Guia, Portugal
- Average pressure in May: 1016mbar
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
Guia, Portugal
- Average wind speed in May: 15.4km/h
The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest month (with the lowest average wind speed) is September (12.5km/h).
Average humidity in May
Guia, Portugal
- Average humidity in May: 70%
The months with the highest relative humidity are January, March, April and December (75%).
The month with the lowest relative humidity is August (64%).
Average rainfall in May
Guia, Portugal
- Average rainfall in May: 6mm
The wettest month (with the highest rainfall) is November (14mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in May
Guia, Portugal
- Average rainfall days in May: 4.1 days
The month with the highest number of rainy days is November (9.2 days).
The month with the least rainy days is August (0.7 days).
Average sea temperature in May
Guia, Portugal
- Average sea temperature in May: 17°C
The best months for swimming (with the highest average sea temperature) are August and September (21°C).
The coldest month (with the lowest average sea temperature) is February (15°C).
Average daylight in May /
Average sunshine in May
Guia, 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 42min).
- Average sunshine in May: 11h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in May
Guia, Portugal
- Average sunshine days in May: 25.3 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is November (19.2 days).
Average UV index in May
Guia, Portugal
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in May
Guia, Portugal
- Average cloud cover in May: 18
The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in May
Guia, 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).
Guia, Portugal
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