May weather forecastForles, Portugal

May

Weather in May

May, the last month of the spring in Forles, is a pleasant month, with an average temperature ranging between max 21.2°C (70.2°F) and min 9°C (48.2°F).

Temperature

May's onset brings a minor rise in the average high-temperature, moving from an enjoyable 17°C (62.6°F) in April to a pleasant 21.2°C (70.2°F). A noticeable downturn in temperature characterizes the May nights in Forles, Portugal, averaging at a chilly 9°C (48.2°F).

Humidity

The average relative humidity in May is 71%.

Rainfall

In Forles, in May, it is raining for 10.9 days, with typically 31mm (1.22") of accumulated precipitation. In Forles, Portugal, during the entire year, the rain falls for 125.4 days and collects up to 553mm (21.77") of precipitation.

Snowfall

April through October and December are months without snowfall.

Daylight

The average length of the day in May is 14h and 28min.
On the first day of May, sunrise is at 06:28 and sunset at 20:27. On the last day of the month, sunrise is at 06:01 and sunset at 20:55 WEST.

Sunshine

In May, the average sunshine is 9.6h.

UV index

In May, the average daily maximum UV index in Forles, Portugal, is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during May leads to these instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

An average high-temperature, in May, in Forles, is 21.2°C (70.2°F) and the average low-temperature is 9°C (48.2°F).

In May, the average relative humidity in Forles, Portugal, is 71%.

In Forles, Portugal, during May, the rain falls for 10.9 days and regularly aggregates up to 31mm (1.22") of precipitation.

In Forles, snow does not fall in April through October and December.

In Forles, Portugal, the average day length in May is 14h and 28min.

In May, on the first day of the month, sunrise is at 06:28 and sunset at 20:27. On the last day of the month, in Forles, sunrise is at 06:01 and sunset at 20:55 WEST.

In May, the average sunshine duration in Forles, Portugal, is 9.6h.

The average daily maximum UV index in May in Forles is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Forles, Portugal

  • Average high temperature in May: 21.2°C

The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (10.7°C).

  • Average low temperature in May: 9°C

The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).

Average pressure in May
Forles, Portugal

  • Average pressure in May: 1016.2mbar

The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

Average wind speed in May
Forles, Portugal

  • Average wind speed in May: 8.1km/h

The windiest month (with the highest average wind speed) is March (9.1km/h).
The calmest month (with the lowest average wind speed) is September (7km/h).

Average humidity in May
Forles, Portugal

  • Average humidity in May: 71%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (57%).

Average rainfall in May
Forles, Portugal

  • Average rainfall in May: 31mm

The wettest month (with the highest rainfall) is December (92mm).
The driest month (with the least rainfall) is July (6mm).

Average rainfall days in May
Forles, Portugal

  • Average rainfall days in May: 10.9 days

The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is August (3.3 days).

Average snowfall in May
Forles, Portugal

  • Average snowfall in May: 0mm

The months with the highest snowfall are January and February (3mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).

Average snowfall days in May
Forles, Portugal

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

  • Average daylight in May: 14h and 30min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 9h and 36min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in May
Forles, Portugal

  • Average sunshine days in May: 18.3 days

The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is April (13 days).

Average UV index in May
Forles, Portugal

  • Average UV index in May: 5

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Forles, Portugal

  • Average cloud cover in May: 36

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 17).

Average visibility in May
Forles, Portugal

  • Average visibility in May: 8km

The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January and November (7km).