May weather forecast
Caxias, Portugal

May

Weather in May

The last month of the spring, May, is an agreeable month in Caxias, Portugal, with an average temperature varying between 20.1°C (68.2°F) and 15.3°C (59.5°F).

Temperature

Caxias ushers in May with an average high-temperature of a pleasant 20.1°C (68.2°F), showing a close resemblance to the previous month. An average temperature of 15.3°C (59.5°F) is logged during the nights of May in Caxias, a small step down from daytime highs.

Humidity

May and October, with an average relative humidity of 72%, are the least humid months in Caxias.

Rainfall

In Caxias, Portugal, in May, during 6.9 rainfall days, 17mm (0.67") of precipitation is typically accumulated. In Caxias, during the entire year, the rain falls for 85.8 days and collects up to 215mm (8.46") of precipitation.

Daylight

The average length of the day in May is 14h and 17min.
On the first day of May, sunrise is at 06:38 and sunset at 20:29. On the last day of the month, sunrise is at 06:14 and sunset at 20:55 WEST.

Sunshine

In May, the average sunshine is 10.6h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 5 in May suggests the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

What are the temperatures in May?
In May, the average high-temperature and low-temperature are 20.1°C (68.2°F) and 15.3°C (59.5°F) respectively.
What are the least humid months?
May and October, with an average relative humidity of 72%, are the least humid months.
What is the average humidity in May?
The average relative humidity in May is 72%.
How many days does it rain in May in Caxias?
In May, the rain falls for 6.9 days. Throughout May, 17mm (0.67") of precipitation is accumulated.
What is the average length of the day in May?
In Caxias, the average day length in May is 14h and 17min.
When is the sunrise / sunset in May?
In May, on the first day of the month, sunrise is at 06:38 and sunset at 20:29. On the last day of the month, sunrise is at 06:14 and sunset at 20:55 WEST.
How long on average sun shines in May?
In Caxias, Portugal, the average sunshine duration in May is 10.6h.
How high is the UV index in May?
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May - Caxias, Portugal
Average temperature in May
Caxias, Portugal
  • Average high temperature in May: 20.1°C

The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (14.8°C).

  • Average low temperature in May: 15.3°C

The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).

Average pressure in May - Caxias, Portugal
Average pressure in May
Caxias, Portugal
  • Average pressure in May: 1016.6mbar

The months with the highest atmospheric pressure are January and December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed in May - Caxias, Portugal
Average wind speed in May
Caxias, Portugal
  • Average wind speed in May: 18.2km/h

The windiest month (with the highest average wind speed) is February (19.5km/h).
The calmest month (with the lowest average wind speed) is October (15.6km/h).

Average humidity in May - Caxias, Portugal
Average humidity in May
Caxias, Portugal
  • Average humidity in May: 72%

The months with the highest relative humidity are January, April, July and December (75%).
The months with the lowest relative humidity are May and October (72%).

Average rainfall in May - Caxias, Portugal
Average rainfall in May
Caxias, Portugal
  • Average rainfall in May: 17mm

The wettest month (with the highest rainfall) is November (44mm).
The driest month (with the least rainfall) is July (2mm).

Average rainfall days in May - Caxias, Portugal
Average rainfall days in May
Caxias, Portugal
  • Average rainfall days in May: 6.9 days

The month with the highest number of rainy days is November (12.4 days).
The month with the least rainy days is August (1.9 days).

Average daylight in May / Average sunshine in May - Caxias, Portugal
Average daylight in May /
Average sunshine in May
Caxias, Portugal
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

Average sunshine days in May - Caxias, Portugal
Average sunshine days in May
Caxias, Portugal
  • Average sunshine days in May: 22.5 days

The month with the most sunshine days is August (28 days).
The month with the least sunshine days is November (15.6 days).

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

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

Average cloud cover in May - Caxias, Portugal
Average cloud cover in May
Caxias, Portugal
  • Average cloud cover in May: 24

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in May - Caxias, Portugal
Average visibility in May
Caxias, Portugal
  • Average visibility in May: 10km

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

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