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
May
Weather in May
Temperature
The shift into May uncovers an average high-temperature of an agreeable 20°C (68°F), subtly different from the previous month. Lagos, in the month of May, notes an average low temperature of 16.1°C (61°F), indicating a small decrease from the daytime highs.Humidity
In Lagos, Portugal, the average relative humidity in May is 73%.Rainfall
In Lagos, during May, the rain falls for 5.3 days and regularly aggregates up to 6mm (0.24") of precipitation. In Lagos, during the entire year, the rain falls for 70.2 days and collects up to 95mm (3.74") of precipitation.Sea temperature
In Lagos, in May, the average water temperature is 18.3°C (64.9°F).Note: Most people do not find pleasure in swimming when the water temperature is 18.3°C (64.9°F). Breathing becomes increasingly difficult to manage as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in May is 14h and 10min.On the first day of May, sunrise is at 06:39 and sunset at 20:24. On the last day of the month, sunrise is at 06:16 and sunset at 20:48 WEST.
Sunshine
In May, the average sunshine is 11.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during May translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
How cold is the water in May?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Lagos, Portugal
- Average high temperature in May: 20°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is February (15.1°C).
- Average low temperature in May: 16.1°C
The month with the highest average low temperature is August (19.9°C).
The coldest month (with the lowest average low temperature) is February (11.8°C).
Average pressure in May
Lagos, Portugal
- Average pressure in May: 1016.2mbar
The months with the highest atmospheric pressure are January and December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in May
Lagos, Portugal
- Average wind speed in May: 17.6km/h
The windiest month (with the highest average wind speed) is February (20.3km/h).
The calmest month (with the lowest average wind speed) is September (14.6km/h).
Average humidity in May
Lagos, Portugal
- Average humidity in May: 73%
The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is August (71%).
Average rainfall in May
Lagos, Portugal
- Average rainfall in May: 6mm
The wettest month (with the highest rainfall) is November (19mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in May
Lagos, Portugal
- Average rainfall days in May: 5.3 days
The month with the highest number of rainy days is November (11 days).
The month with the least rainy days is August (1.1 days).
Average sea temperature in May
Lagos, Portugal
- Average sea temperature in May: 18.3°C
The best month for swimming (with the highest average sea temperature) is September (21.2°C).
The coldest month (with the lowest average sea temperature) is March (16°C).
Average daylight in May /
Average sunshine in May
Lagos, 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 48min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in May
Lagos, Portugal
- Average sunshine days in May: 24.3 days
The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is November (16.4 days).
Average UV index in May
Lagos, 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
Lagos, Portugal
- Average cloud cover in May: 19
The month with the most cloud cover is January (Cloud cover 33).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in May
Lagos, 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).
