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
May
Weather in May
Temperature
The dawn of May sees an average high-temperature of an agreeable 21.1°C (70°F), subtly contrasting with April's 18.2°C (64.8°F). Marrazes sees an average low-temperature of 12.7°C (54.9°F) during May.Humidity
In May, the average relative humidity is 73%.Rainfall
In May, the rain falls for 9.6 days. Throughout May, 35mm (1.38") of precipitation is accumulated. In Marrazes, during the entire year, the rain falls for 120.2 days and collects up to 453mm (17.83") of precipitation.Daylight
The average length of the day in May is 14h and 23min.On the first day of May, sunrise is at 06:34 and sunset at 20:29. On the last day of the month, sunrise is at 06:09 and sunset at 20:56 WEST.
Sunshine
The average sunshine in May is 10.1h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard 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:
Heed the precautions - Suggestions to avoid sunburn are made. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May in Marrazes?
How many days does it rain in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Marrazes, Portugal
- Average high temperature in May: 21.1°C
The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (13.8°C).
- Average low temperature in May: 12.7°C
The month with the highest average low temperature is July (15.9°C).
The coldest month (with the lowest average low temperature) is February (7.8°C).
Average pressure in May
Marrazes, Portugal
- Average pressure in May: 1016.3mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in May
Marrazes, Portugal
- Average wind speed in May: 13.3km/h
The windiest month (with the highest average wind speed) is February (14.8km/h).
The calmest month (with the lowest average wind speed) is September (11km/h).
Average humidity in May
Marrazes, Portugal
- Average humidity in May: 73%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is September (70%).
Average rainfall in May
Marrazes, Portugal
- Average rainfall in May: 35mm
The wettest month (with the highest rainfall) is November (74mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in May
Marrazes, Portugal
- Average rainfall days in May: 9.6 days
The month with the highest number of rainy days is November (14.8 days).
The month with the least rainy days is August (3.1 days).
Average daylight in May /
Average sunshine in May
Marrazes, 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 month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in May
Marrazes, Portugal
- Average sunshine days in May: 19.8 days
The month with the most sunshine days is August (25.4 days).
The months with the least sunshine days are April and November (13.9 days).
Average UV index in May
Marrazes, Portugal
- Average UV index in May: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in May
Marrazes, Portugal
- Average cloud cover in May: 29
The month with the most cloud cover is January (Cloud cover 43).
The months with the least cloud cover are August and September (Cloud cover 21).
Average visibility in May
Marrazes, Portugal
- Average visibility in May: 9km
The months with the highest visibility are February, June and December (10km).
The months with the lowest visibility are January, March, April, May, July, August, September, October and November (9km).
