May weather forecastSan Antonio, Uruguay

May

Weather in May

The last month of the autumn, May, is another refreshing month in San Antonio, Uruguay, with an average temperature fluctuating between 17.8°C (64°F) and 12.8°C (55°F).

Temperature

The onset of May results in a small decrease in the average high-temperature, moderately receding from a pleasant 21.2°C (70.2°F) in April to an enjoyable 17.8°C (64°F). A consistent nighttime average temperature of 12.8°C (55°F) is maintained during May.

Humidity

In May, the average relative humidity is 78%.

Rainfall

In San Antonio, in May, it is raining for 10.5 days, with typically 49mm (1.93") of accumulated precipitation. In San Antonio, during the entire year, the rain falls for 131.6 days and collects up to 707mm (27.83") of precipitation.

Daylight

In San Antonio, the average length of the day in May is 10h and 20min.
On the first day of the month, sunrise is at 07:20 and sunset at 18:02. On the last day of May, in San Antonio, sunrise is at 07:42 and sunset at 17:42 -03.

Sunshine

In San Antonio, the average sunshine in May is 5.8h.

UV index

May, July and August, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: In May, a regular UV index of 3 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

The average high-temperature and low-temperature during May are 17.8°C (64°F) and 12.8°C (55°F) respectively. In January, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 30°C (86°F).

In May, the average relative humidity in San Antonio is 78%.

In May, the rain falls for 10.5 days. Throughout May, 49mm (1.93") of precipitation is accumulated.

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

On the first day of May, sunrise is at 07:20 and sunset at 18:02. On the last day of the month, sunrise is at 07:42 and sunset at 17:42 -03.

In May, the average sunshine duration is 5.8h.

May, July and August, with an average maximum UV index of 3, are months with the lowest UV index.

In May, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
San Antonio, Uruguay

  • Average high temperature in May: 17.8°C

The warmest month (with the highest average high temperature) is January (27.8°C).
The month with the lowest average high temperature is July (13.3°C).

  • Average low temperature in May: 12.8°C

The month with the highest average low temperature is February (19.9°C).
The coldest month (with the lowest average low temperature) is July (8.7°C).

Average pressure in May
San Antonio, Uruguay

  • Average pressure in May: 1017.7mbar

The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).

Average wind speed in May
San Antonio, Uruguay

  • Average wind speed in May: 16.7km/h

The windiest month (with the highest average wind speed) is September (19.2km/h).
The calmest month (with the lowest average wind speed) is May (16.7km/h).

Average humidity in May
San Antonio, Uruguay

  • Average humidity in May: 78%

The months with the highest relative humidity are July, August and September (79%).
The month with the lowest relative humidity is January (64%).

Average rainfall in May
San Antonio, Uruguay

  • Average rainfall in May: 49mm

The wettest months (with the highest rainfall) are July and November (68mm).
The driest month (with the least rainfall) is January (46mm).

Average rainfall days in May
San Antonio, Uruguay

  • Average rainfall days in May: 10.5 days

The month with the highest number of rainy days is March (12.2 days).
The month with the least rainy days is January (9.4 days).

Average daylight in May /
Average sunshine in May
San Antonio, 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: 5h and 48min

The months with the most sunshine are January and December (Average sunshine: 10h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 42min).

Average sunshine days in May
San Antonio, Uruguay

  • Average sunshine days in May: 18 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is October (15.2 days).

Average UV index in May
San Antonio, Uruguay

  • Average UV index in May: 3

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

Average cloud cover in May
San Antonio, Uruguay

  • Average cloud cover in May: 36

The month with the most cloud cover is July (Cloud cover 40).
The month with the least cloud cover is January (Cloud cover 19).

Average visibility in May
San Antonio, 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).