May weather forecastCrestuma, Portugal

May

Weather in May

The last month of the spring, May, is an agreeable month in Crestuma, Portugal, with an average temperature fluctuating between 11.5°C (52.7°F) and 21.1°C (70°F).

Temperature

The start of May brings a subtle rise in the average high-temperature, moving from an enjoyable 17.8°C (64°F) in April to a pleasant 21.1°C (70°F). May brings Crestuma a consistent average low-temperature of 11.5°C (52.7°F).

Humidity

In Crestuma, the average relative humidity in May is 70%.

Rainfall

In Crestuma, in May, during 10.3 rainfall days, 37mm (1.46") of precipitation is typically accumulated. In Crestuma, during the entire year, the rain falls for 126.3 days and collects up to 777mm (30.59") of precipitation.

Daylight

In Crestuma, the average length of the day in May is 14h and 29min.
On the first day of May in Crestuma, sunrise is at 06:30 and sunset at 20:31. On the last day of the month, sunrise is at 06:04 and sunset at 20:59 WEST.

Sunshine

The average sunshine in May is 9.8h.

UV index

In Crestuma, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.

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 Crestuma, is 21.1°C (70°F) and the average low-temperature is 11.5°C (52.7°F).

The average relative humidity in May is 70%.

In May, in Crestuma, the rain falls for 10.3 days. Throughout May, 37mm (1.46") of precipitation is accumulated.

In Crestuma, Portugal, the average day length in May is 14h and 29min.

In May, on the first day of the month, sunrise is at 06:30 and sunset at 20:31. On the last day of the month, sunrise is at 06:04 and sunset at 20:59 WEST.

In May, the average sunshine duration is 9.8h.

In Crestuma, Portugal, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Apr

May

Jun

Average high temperature

17.8°C

21.1°C

23.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.3km/h

10.5km/h

10.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

15.5

19.4

18.3

Average UV index

Average cloud cover

41%

31%

Average visibility

9km

Average temperature in May
Crestuma, Portugal

Average high temperature in May: 21.1°C

The warmest month (with the highest average high temperature) is August (26.6°C).
The month with the lowest average high temperature is January (12.7°C).

Average low temperature in May: 11.5°C

The months with the highest average low temperature are July and August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).

Average pressure in May
Crestuma, 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 (1015.3mbar).

Average wind speed in May
Crestuma, Portugal

Average wind speed in May: 9.3km/h

The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest month (with the lowest average wind speed) is September (7.9km/h).

Average humidity in May
Crestuma, Portugal

Average humidity in May: 70%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is September (65%).

Average rainfall in May
Crestuma, Portugal

Average rainfall in May: 37mm

The wettest month (with the highest rainfall) is November (124mm).
The driest month (with the least rainfall) is July (10mm).

Average rainfall days in May
Crestuma, Portugal

Average rainfall days in May: 10.3 days

The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is August (5 days).

Average daylight in May /
Average sunshine in May
Crestuma, 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 48min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in May
Crestuma, Portugal

Average sunshine days in May: 19.4 days

The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is November (12.5 days).

Average UV index in May
Crestuma, Portugal

Average UV index in May: 5

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

Average cloud cover in May
Crestuma, Portugal

Average cloud cover in May: 31

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in May
Crestuma, Portugal

Average visibility in May: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).