May weather forecast and climate
Rebelva, Portugal

Weather in May

May, the last month of the spring, in Rebelva, is a pleasant month, with average temperature ranging between min 15.3°C (59.5°F) and max 20.1°C (68.2°F).

Temperature

In May, the average high-temperature is relatively the same as in April - a pleasant 20.1°C (68.2°F). The average low-temperature, in May, is 15.3°C (59.5°F).

Humidity

Months with the lowest humidity in Rebelva are May and October, with an average relative humidity of 72%.

Rainfall

In Rebelva, during May, the rain falls for 6.9 days and regularly aggregates up to 17mm (0.67") of precipitation. In Rebelva, 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 Rebelva is 14.3h.

Sunshine

In Rebelva, the average sunshine in May is 10.6h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in May in Rebelva?

In Rebelva, Portugal, in May, the average high-temperature is 20.1°C (68.2°F), and the average low-temperature is 15.3°C (59.5°F).

What are the least humid months in Rebelva?

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

What is the average humidity in May in Rebelva?

In Rebelva, the average relative humidity in May is 72%.

How much does it rain in Rebelva in May?

In May, in Rebelva, Portugal, 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 Rebelva?

In Rebelva, the average length of the day in May is 14.3h.

How long on average sun shines in May in Rebelva?

In Rebelva, Portugal, the average sunshine in May is 10.6h.

What is the UV index intensity in May in Rebelva?

In May, the average daily maximum UV index in Rebelva, Portugal, is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in May
Rebelva, Portugal

Average temperature in May - Rebelva, 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).

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Average pressure in May
Rebelva, Portugal

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

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

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Average wind speed in May
Rebelva, Portugal

Average wind speed in May - Rebelva, 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).

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Average humidity in May
Rebelva, Portugal

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

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

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Average rainfall in May
Rebelva, Portugal

Average rainfall in May - Rebelva, 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).

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Average rainfall days in May
Rebelva, Portugal

Average rainfall days in May - Rebelva, 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).

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

Average daylight in May / Average sunshine in May - Rebelva, Portugal
  • Average daylight in May: 14.3h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in May: 10.6h

The month with the most sunshine is July (Average sunshine: 11.4h).
The month with the least sunshine is January (Average sunshine: 5.5h).

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Average sunshine days in May
Rebelva, Portugal

Average sunshine days in May - Rebelva, 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).

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Average UV index in May
Rebelva, Portugal

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

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

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Average cloud cover in May
Rebelva, Portugal

Average cloud cover in May - Rebelva, 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).

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Average visibility in May
Rebelva, Portugal

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

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

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