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 arrival of May brings an average high-temperature of an agreeable 20.4°C (68.7°F), nearly identical to April's 17.8°C (64°F). In May, the temperature drops to an average of 14.4°C (57.9°F) at night.Humidity
The months with the lowest humidity in Ericeira are May, September and October, with an average relative humidity of 73%.Rainfall
In May, the rain falls for 8.8 days. Throughout May, 30mm (1.18") of precipitation is accumulated. Throughout the year, in Ericeira, there are 118 rainfall days, and 403mm (15.87") of precipitation is accumulated.Sea temperature
In May, the average sea temperature in Ericeira, Portugal, is 17.4°C (63.3°F).Note: The majority find it unenjoyable to swim in 17.4°C (63.3°F). Breathing becomes tougher as the water temperature descends under 21°C (69.8°F).
Daylight
In May, the average length of the day is 14h and 19min.On the first day of the month, sunrise is at 06:38 and sunset at 20:30. On the last day of May, in Ericeira, Portugal, sunrise is at 06:14 and sunset at 20:56 WEST.
Sunshine
In May, the average sunshine in Ericeira, Portugal, is 10.5h.UV index
In Ericeira, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 5 in May transforms into this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ericeira in May?
What are the least humid months in Ericeira?
What is the average humidity in May in Ericeira?
How many days does it rain in May in Ericeira?
What is the sea temperature in May in Ericeira?
What is the average length of the day in May in Ericeira?
What time are sunrise and sunset in May in Ericeira?
How long on average sun shines in May in Ericeira?
What is the UV index reading in May in Ericeira?
Average temperature in May
Ericeira, Portugal
- Average high temperature in May: 20.4°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (14.5°C).
- Average low temperature in May: 14.4°C
The month with the highest average low temperature is July (17.8°C).
The coldest month (with the lowest average low temperature) is February (10°C).
Average pressure in May
Ericeira, Portugal
- Average pressure in May: 1016.5mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in May
Ericeira, Portugal
- Average wind speed in May: 17.5km/h
The windiest month (with the highest average wind speed) is February (18.7km/h).
The calmest month (with the lowest average wind speed) is October (15km/h).
Average humidity in May
Ericeira, Portugal
- Average humidity in May: 73%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are May, September and October (73%).
Average rainfall in May
Ericeira, Portugal
- Average rainfall in May: 30mm
The wettest month (with the highest rainfall) is November (75mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in May
Ericeira, Portugal
- Average rainfall days in May: 8.8 days
The month with the highest number of rainy days is November (14.6 days).
The month with the least rainy days is August (2.6 days).
Average sea temperature in May
Ericeira, Portugal
- Average sea temperature in May: 17.4°C
The best month for swimming (with the highest average sea temperature) is September (19.9°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).
Average daylight in May /
Average sunshine in May
Ericeira, 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 30min).
- Average sunshine in May: 10h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in May
Ericeira, Portugal
- Average sunshine days in May: 19.8 days
The month with the most sunshine days is July (26.4 days).
The month with the least sunshine days is November (12.8 days).
Average UV index in May
Ericeira, Portugal
- Average UV index in May: 5
The months with the highest UV index are June, July and August (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
Ericeira, Portugal
- Average cloud cover in May: 26
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in May
Ericeira, 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).
