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
With May's advent, Olhalvo sees an average high-temperature of a pleasant 20.9°C (69.6°F), subtly shifted from April's 18.1°C (64.6°F). During May, the temperature is averaged to a low of 13.8°C (56.8°F) at night.Humidity
The average relative humidity in May in Olhalvo is 73%.Rainfall
In Olhalvo, during May, the rain falls for 9.7 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, in Olhalvo, there are 118.8 rainfall days, and 406mm (15.98") of precipitation is accumulated.Daylight
In May, the average length of the day in Olhalvo is 14h and 20min.On the first day of the month, sunrise is at 06:37 and sunset at 20:29. On the last day of May, in Olhalvo, Portugal, sunrise is at 06:12 and sunset at 20:55 WEST.
Sunshine
In Olhalvo, the average sunshine in May is 10.4h.UV index
In May, the average daily maximum UV index in Olhalvo is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 5 in May leads to these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Olhalvo in May?
What is the average humidity in May in Olhalvo?
How many days does it rain in May in Olhalvo?
What is the average length of the day in May in Olhalvo?
What time are sunrise and sunset in May in Olhalvo?
How many hours of sunshine does Olhalvo have in May?
What is the UV index intensity in May in Olhalvo?
Average temperature in May
Olhalvo, Portugal
- Average high temperature in May: 20.9°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (14.3°C).
- Average low temperature in May: 13.8°C
The month with the highest average low temperature is August (17.3°C).
The coldest month (with the lowest average low temperature) is February (9.5°C).
Average pressure in May
Olhalvo, 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 (1015.6mbar).
Average wind speed in May
Olhalvo, Portugal
- Average wind speed in May: 16.5km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is October (14km/h).
Average humidity in May
Olhalvo, Portugal
- Average humidity in May: 73%
The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are September and October (72%).
Average rainfall in May
Olhalvo, Portugal
- Average rainfall in May: 30mm
The wettest month (with the highest rainfall) is November (74mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in May
Olhalvo, Portugal
- Average rainfall days in May: 9.7 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
Olhalvo, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in May
Olhalvo, Portugal
- Average sunshine days in May: 19.8 days
The month with the most sunshine days is July (26.5 days).
The month with the least sunshine days is November (12.8 days).
Average UV index in May
Olhalvo, 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, April, November and December (UV index 4).
Average cloud cover in May
Olhalvo, Portugal
- Average cloud cover in May: 26
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in May
Olhalvo, Portugal
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).
