May weather forecast
San Antonio, Uruguay

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Weather in May

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

Temperature

The onset of May entails a subtle temperature shift, as the average high-temperature eases from an agreeable 21.2°C (70.2°F) in April to an enjoyable 17.8°C (64°F). San Antonio notes a consistent average low-temperature of 12.8°C (55°F) during May nights.

Humidity

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

Rainfall

In San Antonio, Uruguay, in May, during 10.5 rainfall days, 49mm (1.93") of precipitation is typically accumulated. 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 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.

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 in San Antonio. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In May, the average maximum UV index of 3 translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What is the temperature in May in San Antonio?

In San Antonio, in May, the average high-temperature is 17.8°C (64°F), and the average low-temperature is 12.8°C (55°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in January is calculated to be 30°C (86°F).

What is the average humidity in May in San Antonio?

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

How much does it rain in San Antonio in May?

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

What is the average length of the day in May in San Antonio?

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

When is the sunrise / sunset in May in San Antonio?

On the first day of May in San Antonio, Uruguay, 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.

How long on average sun shines in May in San Antonio?

The average sunshine duration in May in San Antonio, Uruguay, is 5.8h.

What is the month with the lowest UV index in San Antonio?

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

What is the UV index reading in May in San Antonio?

In May, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.

Average temperature in May
San Antonio, Uruguay

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).

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Average pressure in May
San Antonio, Uruguay

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).

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Average wind speed in May
San Antonio, Uruguay

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).

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Average humidity in May
San Antonio, Uruguay

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%).

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Average rainfall in May
San Antonio, Uruguay

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).

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Average rainfall days in May
San Antonio, Uruguay

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).

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Average daylight in May /
Average sunshine in May
San Antonio, Uruguay

Average daylight in May / Average sunshine in May - San Antonio, 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 5min

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).

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Average sunshine days in May
San Antonio, Uruguay

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).

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Average UV index in May
San Antonio, Uruguay

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).

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Average cloud cover in May
San Antonio, Uruguay

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).

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Average visibility in May
San Antonio, Uruguay

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).

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San Antonio, Uruguay

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