May weather forecast
Posadas, Argentina

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Weather in May

In May, the city witnesses a significant change in climate. With daily high temperatures averaging at 22.5°C (72.5°F), the weather becomes quite cool compared to the warm summer months. Humidity levels begin to rise hinting at the approach of winter. Despite fewer sunlight hours, the city maintains a pleasant atmosphere. The fresh, crisp air of May makes it a favored time of the year for many to venture outdoors.

Temperature

The arrival of May is marked by a minor reduction in average high-temperature, sliding from a warm 27.1°C (80.8°F) in April to a pleasant 22.5°C (72.5°F). In the month of May, the nighttime temperature in Posadas dips to a steady average of 13.9°C (57°F).

Humidity

In Posadas, Argentina, the average relative humidity in May is 86%.

Rainfall

In Posadas, in May, it is raining for 13.3 days, with typically 98mm (3.86") of accumulated precipitation. Throughout the year, there are 152.6 rainfall days, and 981mm (38.62") of precipitation is accumulated.

Daylight

The average length of the day in May is 10h and 46min.
On the first day of May, sunrise is at 07:09 and sunset at 18:11. On the last day of the month, sunrise is at 07:25 and sunset at 17:57 -03.

Sunshine

In May, the average sunshine in Posadas, Argentina, is 6.3h.

UV index

May and June, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 4 during May leads to these instructions:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

What is the average May temperature in Posadas?

May temperatures vary between a high-temperature of 22.5°C (72.5°F) and a low-temperature of 13.9°C (57°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in April is estimated at 30°C (86°F).

What is the average humidity in May in Posadas?

The average relative humidity in May in Posadas, Argentina, is 86%.

How much does it rain in Posadas in May?

In Posadas, during May, the rain falls for 13.3 days and regularly aggregates up to 98mm (3.86") of precipitation.

How many hours of daylight does Posadas have in May?

The average day length in May in Posadas, Argentina, is 10h and 46min.

When is the sunrise / sunset in May in Posadas?

In May, on the first day of the month, sunrise is at 07:09 and sunset at 18:11. On the last day of the month, in Posadas, sunrise is at 07:25 and sunset at 17:57 -03.

How long on average sun shines in May in Posadas?

The average sunshine duration in May in Posadas is 6.3h.

When is the lowest UV index in Posadas?

The months with the lowest UV index in Posadas are May and June, with an average maximum UV index of 4.

How high is the UV index in May in Posadas?

In May, the average daily maximum UV index in Posadas, Argentina, is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Posadas, Argentina

Average temperature in May - Posadas, Argentina
  • Average high temperature in May: 22.5°C

The warmest month (with the highest average high temperature) is January (32.4°C).
The month with the lowest average high temperature is July (19.5°C).

  • Average low temperature in May: 13.9°C

The months with the highest average low temperature are January and February (20.8°C).
The coldest month (with the lowest average low temperature) is July (11°C).

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Average pressure in May
Posadas, Argentina

Average pressure in May - Posadas, Argentina
  • Average pressure in May: 1016.1mbar

The month with the highest atmospheric pressure is July (1018.2mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).

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Average wind speed in May
Posadas, Argentina

Average wind speed in May - Posadas, Argentina
  • Average wind speed in May: 8.4km/h

The windiest month (with the highest average wind speed) is August (10.3km/h).
The calmest month (with the lowest average wind speed) is March (7.8km/h).

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Average humidity in May
Posadas, Argentina

Average humidity in May - Posadas, Argentina
  • Average humidity in May: 86%

The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is December (72%).

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Average rainfall in May
Posadas, Argentina

Average rainfall in May - Posadas, Argentina
  • Average rainfall in May: 98mm

The wettest month (with the highest rainfall) is October (117mm).
The driest month (with the least rainfall) is August (41mm).

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Average rainfall days in May
Posadas, Argentina

Average rainfall days in May - Posadas, Argentina
  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is January (16.1 days).
The month with the least rainy days is August (7.8 days).

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Average daylight in May /
Average sunshine in May
Posadas, Argentina

Average daylight in May / Average sunshine in May - Posadas, Argentina
  • Average daylight in May: 10h and 5min

The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 24min).

  • Average sunshine in May: 6h and 2min

The month with the most sunshine is November (Average sunshine: 10h and 18min).
The month with the least sunshine is June (Average sunshine: 5h and 18min).

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Average sunshine days in May
Posadas, Argentina

Average sunshine days in May - Posadas, Argentina
  • Average sunshine days in May: 16 days

The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is February (12.7 days).

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Average UV index in May
Posadas, Argentina

Average UV index in May - Posadas, Argentina
  • Average UV index in May: 4

The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are May and June (UV index 4).

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Average cloud cover in May
Posadas, Argentina

Average cloud cover in May - Posadas, Argentina
  • Average cloud cover in May: 49

The month with the most cloud cover is May (Cloud cover 49).
The month with the least cloud cover is November (Cloud cover 27).

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Average visibility in May
Posadas, Argentina

Average visibility in May - Posadas, Argentina
  • Average visibility in May: 7km

The months with the highest visibility are January, February, March, November and December (9km).
The months with the lowest visibility are May, June and July (7km).

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Posadas, Argentina

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