May weather forecastRibafria, Portugal

May

Weather in May

May, the last month of the spring in Ribafria, is a pleasant month, with temperature in the range of an average high of 20.9°C (69.6°F) and an average low of 13.8°C (56.8°F).

Temperature

The commencement of May introduces an average high-temperature of a pleasant 20.9°C (69.6°F), closely mirroring the preceding month. Ribafria, during May nights, observes an average temperature of 13.8°C (56.8°F).

Humidity

The average relative humidity in May in Ribafria, Portugal, is 73%.

Rainfall

In Ribafria, in May, during 9.7 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, in Ribafria, there are 118.8 rainfall days, and 406mm (15.98") of precipitation is accumulated.

Daylight

In Ribafria, the average length of the day in May is 14h and 19min.
On the first day of the month, sunrise is at 06:37 and sunset at 20:29. On the last day of May, sunrise is at 06:12 and sunset at 20:55 WEST.

Sunshine

In May, the average sunshine is 10.4h.

UV index

In Ribafria, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in May, in Ribafria, is 20.9°C (69.6°F) and the average low-temperature is 13.8°C (56.8°F).

The average relative humidity in May in Ribafria is 73%.

In May, in Ribafria, the rain falls for 9.7 days. Throughout May, 30mm (1.18") of precipitation is accumulated.

In Ribafria, the average day length in May is 14h and 19min.

On the first day of May in Ribafria, sunrise is at 06:37 and sunset at 20:29. On the last day of the month, sunrise is at 06:12 and sunset at 20:55 WEST.

In May, the average sunshine duration is 10.4h.

In May, the average daily maximum UV index in Ribafria, Portugal, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

18.1°C

20.9°C

22.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

16.9km/h

17.6km/h

17.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

14.2

19.8

21.1

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Ribafria, 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
Ribafria, 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
Ribafria, 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
Ribafria, 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
Ribafria, 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
Ribafria, 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
Ribafria, Portugal

Average daylight in May: 14h and 18min

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 24min

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
Ribafria, 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
Ribafria, 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
Ribafria, 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
Ribafria, 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).