May weather forecast and climate
Rato, Portugal

Weather in May

The last month of the spring, May, is an agreeable month in Rato, Portugal, with average temperature ranging between max 20.8°C (69.4°F) and min 12.5°C (54.5°F).

Temperature

In May, the average high-temperature slightly increases, from a comfortable 17.7°C (63.9°F) in April, to a pleasant 20.8°C (69.4°F). In May, in Rato, the average low-temperature is 12.5°C (54.5°F).

Humidity

The average relative humidity in May is 73%.

Rainfall

In Rato, in May, it is raining for 10.6 days, with typically 37mm (1.46") of accumulated precipitation. In Rato, Portugal, during the entire year, the rain falls for 125.4 days and collects up to 619mm (24.37") of precipitation.

Daylight

In Rato, the average length of the day in May is 14.5h.

Sunshine

In Rato, Portugal, the average sunshine is 10.2h.

UV index

May through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
[Resources]

FAQ

What is the temperature in May in Rato?

In Rato, Portugal, in May, the average high-temperature is 20.8°C (69.4°F), and the average low-temperature is 12.5°C (54.5°F).

What is the average humidity in May in Rato?

In May, the average relative humidity is 73%.

How many days does it rain in May in Rato?

In Rato, Portugal, in May, it is raining for 10.6 days, with typically 37mm (1.46") of accumulated precipitation.

What is the average length of the day in May in Rato?

In Rato, the average length of the day in May is 14.5h.

How long on average sun shines in May in Rato?

The average sunshine in May in Rato, Portugal, is 10.2h.

What are the months with the highest UV index in Rato?

May through September, with an average maximum UV index of 5, are months with the highest UV index in Rato, Portugal.

How high is the UV index in May in Rato?

In May, the average daily maximum UV index in Rato is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in May
Rato, Portugal

Average temperature in May - Rato, Portugal
  • Average high temperature in May: 20.8°C

The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (13.3°C).

  • Average low temperature in May: 12.5°C

The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (7.6°C).

[Resources]

Average pressure in May
Rato, Portugal

Average pressure in May - Rato, Portugal
  • Average pressure in May: 1016.4mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

[Resources]

Average wind speed in May
Rato, Portugal

Average wind speed in May - Rato, Portugal
  • Average wind speed in May: 11.7km/h

The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is September (9.8km/h).

[Resources]

Average humidity in May
Rato, Portugal

Average humidity in May - Rato, Portugal
  • Average humidity in May: 73%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (70%).

[Resources]

Average rainfall in May
Rato, Portugal

Average rainfall in May - Rato, Portugal
  • Average rainfall in May: 37mm

The wettest month (with the highest rainfall) is November (94mm).
The driest month (with the least rainfall) is July (6mm).

[Resources]

Average rainfall days in May
Rato, Portugal

Average rainfall days in May - Rato, Portugal
  • Average rainfall days in May: 10.6 days

The month with the highest number of rainy days is November (14.9 days).
The month with the least rainy days is August (3.3 days).

[Resources]

Average daylight in May /
Average sunshine in May
Rato, Portugal

Average daylight in May / Average sunshine in May - Rato, Portugal
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 10.2h

The month with the most sunshine is July (Average sunshine: 11.3h).
The month with the least sunshine is January (Average sunshine: 5.2h).

[Resources]

Average sunshine days in May
Rato, Portugal

Average sunshine days in May - Rato, Portugal
  • Average sunshine days in May: 18.8 days

The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is November (12.9 days).

[Resources]

Average UV index in May
Rato, Portugal

Average UV index in May - Rato, Portugal
  • Average UV index in May: 5

Months with the highest UV index are May, June, July, August and September (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 3).

[Resources]

Average cloud cover in May
Rato, Portugal

Average cloud cover in May - Rato, Portugal
  • Average cloud cover in May: 27

The month with the most cloud cover is January (Cloud cover 43).
Months with the least cloud cover are July, August and September (Cloud cover 19).

[Resources]

Average visibility in May
Rato, Portugal

Average visibility in May - Rato, Portugal
  • Average visibility in May: 9km

Months with the highest visibility are February, June and December (10km).
Months with the lowest visibility are January, March, April, May, July, August, September, October and November (9km).

[Resources]