May weather forecastRosario, Uruguay

May

Weather in May

The last month of the autumn, May, is another refreshing month in Rosario, Uruguay, with an average temperature ranging between min 13.9°C (57°F) and max 17.6°C (63.7°F).

Temperature

The advent of May brings a slight shift in average high-temperature, moving from a pleasant 20.9°C (69.6°F) in April to a comfortable 17.6°C (63.7°F). May sees a slight dip to an average low temperature of 13.9°C (57°F) from the daytime highs.

Humidity

In May, the average relative humidity is 77%.

Rainfall

May is the month with the least rainfall. Rain falls for 8.6 days and accumulates 43mm (1.69") of precipitation.

Daylight

In Rosario, the average length of the day in May is 10h and 20min.
On the first day of the month, sunrise is at 07:25 and sunset at 18:07. On the last day of May, in Rosario, sunrise is at 07:46 and sunset at 17:47 -03.

Sunshine

The average sunshine in May is 6.6h.

UV index

The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 4 during May translates into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in May, in Rosario, records 17.6°C (63.7°F), while the low-temperature is 13.9°C (57°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in January is evaluated at 29°C (84.2°F).

The average relative humidity in May is 77%.

The month with the least rainfall is May, when the rain falls for 8.6 days and typically collects 43mm (1.69") of precipitation.

In Rosario, in May, during 8.6 rainfall days, 43mm (1.69") of precipitation is typically accumulated.

In Rosario, the average day length in May is 10h and 20min.

On the first day of May, sunrise is at 07:25 and sunset at 18:07. On the last day of the month, sunrise is at 07:46 and sunset at 17:47 -03.

The average sunshine duration in May is 6.6h.

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Apr

May

Jun

Average high temperature

20.9°C

17.6°C

14.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

20.4km/h

20.6km/h

22km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

19.3

20.2

20.3

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Rosario, Uruguay

Average high temperature in May: 17.6°C

The warmest month (with the highest average high temperature) is January (27.2°C).
The month with the lowest average high temperature is July (13.1°C).

Average low temperature in May: 13.9°C

The month with the highest average low temperature is January (21.3°C).
The coldest month (with the lowest average low temperature) is July (9.6°C).

Average pressure in May
Rosario, Uruguay

Average pressure in May: 1017.8mbar

The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011.1mbar).

Average wind speed in May
Rosario, Uruguay

Average wind speed in May: 19.4km/h

The windiest month (with the highest average wind speed) is September (21.1km/h).
The calmest month (with the lowest average wind speed) is December (18.1km/h).

Average humidity in May
Rosario, Uruguay

Average humidity in May: 77%

The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is January (66%).

Average rainfall in May
Rosario, Uruguay

Average rainfall in May: 43mm

The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is May (43mm).

Average rainfall days in May
Rosario, Uruguay

Average rainfall days in May: 8.6 days

The month with the highest number of rainy days is March (11 days).
The month with the least rainy days is June (8.2 days).

Average daylight in May /
Average sunshine in May
Rosario, Uruguay

Average daylight in May: 10h and 18min

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: 6h and 36min

The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).

Average sunshine days in May
Rosario, Uruguay

Average sunshine days in May: 20.2 days

The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is February (16.6 days).

Average UV index in May
Rosario, Uruguay

Average UV index in May: 4

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

Average cloud cover in May
Rosario, Uruguay

Average cloud cover in May: 35

The month with the most cloud cover is July (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 17).

Average visibility in May
Rosario, Uruguay

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).