May weather forecast
Cabo Polonio, Uruguay

May

Weather in May

May in Cabo Polonio sees a distinct shift towards winter. The gradual decrease in daylight, clocking in at 10.3 hours, results in lower temperatures and limited sunshine hours. The onset of May stimulates an increase in cloud cover to 39%, precluding consistent sunshine. Furthermore, the shift away from the milder months of April and the forthcoming month of June is marked by an accentuated drop in atmospheric pressure to 1017.9mb. This reduction in pressure and less sunshine set the stage for the arrival of colder months.

Temperature

A mild shift in the average high-temperature occurs in May, reducing from a pleasant 22°C (71.6°F) in April to a refreshing 18.6°C (65.5°F). May nights are marked by an average temperature drop to a cool 11.6°C (52.9°F).

Humidity

In Cabo Polonio, the average relative humidity in May is 79%.

Rainfall

In Cabo Polonio, in May, it is raining for 10 days, with typically 51mm (2.01") of accumulated precipitation. In Cabo Polonio, during the entire year, the rain falls for 129.5 days and collects up to 692mm (27.24") of precipitation.

Daylight

The average length of the day in May is 10h and 20min.
On the first day of the month, sunrise is at 07:11 and sunset at 17:53. On the last day of May, sunrise is at 07:32 and sunset at 17:33 -03.

Sunshine

In Cabo Polonio, the average sunshine in May is 5.5h.

UV index

The months with the lowest UV index are April through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 4 translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What is the usual temperature for Cabo Polonio in May?
In Cabo Polonio, 18.6°C (65.5°F) is the average high-temperature and 11.6°C (52.9°F) is the average low-temperature during May. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in February is estimated at 29°C (84.2°F).
What is the average humidity in May?
The average relative humidity in May is 79%.
How many days does it rain in May?
In Cabo Polonio, in May, during 10 rainfall days, 51mm (2.01") of precipitation is typically accumulated.
What is the average length of the day in May in Cabo Polonio?
In May, the average day length is 10h and 20min.
What time are sunrise and sunset in May?
On the first day of May, sunrise is at 07:11 and sunset at 17:53. On the last day of the month, sunrise is at 07:32 and sunset at 17:33 -03.
How many hours of sunshine does Cabo Polonio have in May?
In May, the average sunshine duration is 5.5h.
What is the month with the lowest UV index?
April through September, with an average maximum UV index of 4, are months with the lowest UV index.
What is the UV index intensity in May?
In Cabo Polonio, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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 - Cabo Polonio, Uruguay
Average temperature in May
Cabo Polonio, Uruguay
  • Average high temperature in May: 18.6°C

The warmest month (with the highest average high temperature) is January (28.1°C).
The month with the lowest average high temperature is July (14.6°C).

  • Average low temperature in May: 11.6°C

The month with the highest average low temperature is February (18.3°C).
The coldest month (with the lowest average low temperature) is July (7.9°C).

Average pressure in May - Cabo Polonio, Uruguay
Average pressure in May
Cabo Polonio, Uruguay
  • Average pressure in May: 1017.9mbar

The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).

Average wind speed in May - Cabo Polonio, Uruguay
Average wind speed in May
Cabo Polonio, Uruguay
  • Average wind speed in May: 14.7km/h

The windiest month (with the highest average wind speed) is September (17.6km/h).
The calmest month (with the lowest average wind speed) is May (14.7km/h).

Average humidity in May - Cabo Polonio, Uruguay
Average humidity in May
Cabo Polonio, Uruguay
  • Average humidity in May: 79%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (68%).

Average rainfall in May - Cabo Polonio, Uruguay
Average rainfall in May
Cabo Polonio, Uruguay
  • Average rainfall in May: 51mm

The wettest month (with the highest rainfall) is August (84mm).
The driest month (with the least rainfall) is March (45mm).

Average rainfall days in May - Cabo Polonio, Uruguay
Average rainfall days in May
Cabo Polonio, Uruguay
  • Average rainfall days in May: 10 days

The months with the highest number of rainy days are March and October (12 days).
The month with the least rainy days is June (9.1 days).

Average daylight in May / Average sunshine in May - Cabo Polonio, Uruguay
Average daylight in May /
Average sunshine in May
Cabo Polonio, Uruguay
  • Average daylight in May: 10h and 2min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in May: 5h and 3min

The month with the most sunshine is January (Average sunshine: 10h and 30min).
The month with the least sunshine is July (Average sunshine: 5h and 24min).

Average sunshine days in May - Cabo Polonio, Uruguay
Average sunshine days in May
Cabo Polonio, Uruguay
  • Average sunshine days in May: 19.3 days

The month with the most sunshine days is January (19.4 days).
The month with the least sunshine days is February (15.3 days).

Average UV index in May - Cabo Polonio, Uruguay
Average UV index in May
Cabo Polonio, Uruguay
  • Average UV index in May: 4

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

Average cloud cover in May - Cabo Polonio, Uruguay
Average cloud cover in May
Cabo Polonio, Uruguay
  • Average cloud cover in May: 39

The month with the most cloud cover is September (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).

Average visibility in May - Cabo Polonio, Uruguay
Average visibility in May
Cabo Polonio, Uruguay
  • Average visibility in May: 9km

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

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