Climate and monthly weather forecast
Formosa, Argentina


The climate of Formosa

Situated within the humid subtropical zone, Formosa, Argentina, aligns with the Köppen climate classification of Cfa, where there is no dry season. Over the course of the year, it experiences a wide range of weather patterns, the details of which are tucked in every climatological parameter.

Temperature values in Formosa sees fluctuations as expected. The highest average peak temperature is 34.2°C (93.6°F), noted in the month of January, and waiting until July, the climatic conditions present a low of 11.8°C (53.2°F). Average temperatures oscillate from these two extremes, creating a vibrant contrast within the region.

The copious amount of rainfall is an influential factor when contemplating the climate of Formosa. It ranges throughout the year, with the highest quantity seen in November with 112mm (4.41"). On the contrary, August appears to be a relatively drier month, with the rainfall measuring a modest 21mm (0.83"). Relative to these numbers, average rainfall days stretch from 6.7 days in August up to a maximum of 14.3 days in January, painting a dynamic precipitative picture.

Contrary to rainfall, the cloud coverage persists moderately consistent, hovering around 27 to 51% annually. It thereby contributes to influencing the levels of average daylight hours and subsequent sunshine hours. With daylight hours peaking at 13.8 hours in December and dropping to 10.5 hours in June, there is a consistent presence of the sun, ranging from 6.7 to 10.2 hours daily. This illuminates the clear skies most of the time barring occasional overcast conditions.

The best time to visit Formosa

Exploring Formosa from May to September presents the most desirable climate. Temperatures during this period are relatively mild, ranging from 20.9°C (69.6°F) to 23.2°C (73.8°F), providing a comfortable atmosphere for outdoor activities. The amount of daylight ranges from 10.5 hours to 11.5 hours, while sunshine duration fluctuates modestly around the 7-hour mark. With relative humidity hovering between 81 and 84%, there's a perfect balance of warmth and comfort.

The worst time to visit Formosa

January and February arguably present the most challenging conditions for visitors. High temperatures are intense, climbing to 34.2°C (93.6°F) and 33.7°C (92.7°F) respectively. Alongside this, humidity levels remain high, averaging around 65 to 66%. These warm and muggy conditions can significantly influence comfort levels, and thus might not be the most enjoyable time for outdoor sightseeing or other activities.

Spring weather in Formosa

As Formosa welcomes the spring season, the weather begins to transform. From September to November, average high temperatures progress from 27°C (80.6°F) to 30.9°C (87.6°F), while the minimum temperatures show a steady climb from 15.3°C (59.5°F) to 19.2°C (66.6°F). Rainfall increases progressively from 29mm (1.14") in September to 112mm (4.41") in November. However, days of sunshine continue to remain approximately consistent, ensuring a warm and pleasant ambiance.

Summer weather in Formosa

Summers are hot in Formosa with temperature spiking up to 34.2°C (93.6°F) in January. February, although slightly cooler, maintains a high temperature of 33.7°C (92.7°F). Rainfall remains relatively constant in summer, oscillating between 70mm (2.76") and 75mm (2.95"). While the relative humidity is around 65%, ultimately offering a warm and humid summer picture.

Autumn weather in Formosa

Between March and May, Formosa experiences its autumn season. Temperatures show a decline from the summer months, with average highs ranging from 31.6°C (88.9°F) to 23.2°C (73.8°F). Simultaneously, the average low temperatures drop from 20.1°C (68.2°F) to 14.8°C (58.6°F). Rainfall peaks at 78mm (3.07") in April and then gradually falls to 74mm (2.91") in May. Daylight hours decrease over these months, but sunshine duration remains abundant, signaling a cozy yet bright autumn period.

Winter weather in Formosa

Coming to the winter period in Formosa; June through August records the lowest temperatures of the year. The high temperature drops steadily from 20.9°C (69.6°F) in June to 20.5°C (68.9°F) in July, while August perceives a slight incline reaching 24.3°C (75.7°F). Meanwhile, the lowest temperatures follow suit and hover between 12.8°C (55°F) to 13.4°C (56.1°F). The month of June sees the least amount of daylight hours, at 10.5, but the duration of sunshine stays fairly constant, ensuring amiable winter days.

Weather in January

January's weather in Formosa, Argentina, paints a picture of a warm period with high humidity and frequent rainfall. This month receives the highest monthly average temperature at 34.2°C (93.6°F) and the second highest rainfall, averaging 70mm (2.76") over 14.3 days. Weather in January »

Weather in February

Following January's warmth, February continues the trend, but with slightly cooler temperatures. Rainfall decreases to 75mm (2.95") over 13.7 days, yet humidity remains relatively the same. In this month, Formosa presents a fantastic opportunity for outdoor activities with its ample hours of sunshine and daylight. Weather in February »

Weather in March

As we transition into March, weather conditions in Formosa undergo some noticeable changes. There's a definite cooling down from February's highs, especially in the evenings. This month also records a decrease in rainfall to 60mm (2.36"), spread across 12.1 days. Weather in March »

Weather in April

In April, Formosa experiences further cooling as temperatures reduce to an average high of 28°C (82.4°F). With the dropping temperatures, the area witnesses the year's highest relative humidity of 76%. It's a clear departure from March's weather, bringing a fresh feel that offers respite from the heat. Weather in April »

Weather in May

Transitioning to autumn, May ushers in cooler temperatures as winter approaches. In stark contrast to the preceding months, May experiences a decrease in temperatures to a low of 14.8°C (58.6°F). The city starts to quiet down under the overcast sky, and the hours of sunshine reduce. Weather in May »

Weather in June

June is characterized by cooler conditions in Formosa. In comparison to May, June shows a slight decrease in temperature and consistent humidity rates. The weather becomes more relaxed and calm. The sunlight reduces further, displaying a noticeably different atmosphere from the bright, lively feel of the summer months. Weather in June »

Weather in July

The heart of winter settles in July, with temperatures dropping to a low of 11.8°C (53.2°F). Amidst the cool climate, it's also the driest month of the year with rainfall at its lowest at 42mm (1.65") over 11 days. Despite the lower temperatures, July offers clearer days and longer hours of sunshine, offering some warmth during daylight. Weather in July »

Weather in August

In August, Formosa begins to escape from the cold grip of winter. The weather grows slightly warmer from July, indicating the start of a transitional period towards spring. In this month, the city experiences increased daylight and sunshine hours, a lovely change from the preceding winter months. Weather in August »

Weather in September

By September, Formosa enters spring with mild temperatures and decreased humidity. From August, there's a notable rise in the temperature, signaling a transition towards the warmer months. September proves to be an excellent time to venture outdoors and soak up the pleasant weather. Weather in September »

Weather in October

As October rolls around, Formosa's climate grows warmer, indicating that summer is not far off. Compared to September, October experiences an increase in rainfall to a whopping 93mm (3.66") over 13.7 days. The warm climate with frequent showers paints a picture of the city in a different light, with travellers able to witness the lush greens that dominate the scenery. Weather in October »

Weather in November

November's weather in Formosa is predominantly warm and stormy, with rainfall peaking to 112mm (4.41"), the highest the city sees all year. Despite this, there's also an increase in temperature, signaling the onset of summer. This month is an exciting period to visit Formosa, where one can experience and witness the city's splendid contrast between the sparking sun and the heavy rain. Weather in November »

Weather in December

Rounding out the year, December continues with the trend of high temperatures and copious rainfall. Between November and December, temperatures rise slightly more and the rainfall drops to 87mm (3.43") over 13.2 days. The arrival of summer is clear, giving this month an enchanting atmosphere that leaves a lasting impression on any visitor. Weather in December »

Frequently asked questions

What are the warmest months in Formosa?

The temperatures reach their highest averages in January, with highs of 34.2°C (93.6°F) and lows of 22.7°C (72.9°F).

What is the least humid month in Formosa?

The least humid month is January, with an average relative humidity of 65%.

How many days does it rain in Formosa?

In Formosa, during the entire year, the rain falls for 138.6 days and collects up to 788mm (31.02") of precipitation.

What is the month with the highest UV index in Formosa?

The months with the highest UV index in Formosa are January, February and December, with an average maximum UV index of 7.

What is the most humid month in Formosa?

May and June, with an average relative humidity of 84%, are most humid months.

What is the month with the least sunshine in Formosa?

May has the least sunshine of the year, with an average of 6.7h of sunshine.

What is the month with the lowest UV index in Formosa?

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

What is the month with the shortest days in Formosa?

The month with the shortest days in Formosa, Argentina, is June, with an average of 10h and 30min of daylight.

What time of the year is the coldest in Formosa?

During the coldest month in Formosa, July, temperatures average a high of 20.5°C (68.9°F) and a low of 11.8°C (53.2°F).

What is the driest month in Formosa?

August is the month with the least rainfall in Formosa, Argentina. Rain falls for 6.7 days and accumulates 21mm (0.83") of precipitation.

What is the rainiest month in Formosa?

The month with the most rainfall in Formosa is November, when the rain falls for 12.6 days and typically aggregates up to 112mm (4.41") of precipitation.

What are the months with the most sunshine in Formosa?

The months with the most sunshine in Formosa are November and December, with an average of 10.2h of sunshine.

When are the longest days in Formosa?

December has the longest days of the year, with an average of 13h and 42min of daylight.

Is there Daylight Saving Time (DST) in Formosa?

Formosa, Argentina, does not utilize Daylight Saving Time (DST). -03 timezone is used throughout the entire year.

Average temperature
Formosa, Argentina

Average temperature - Formosa, Argentina

The warmest month (with the highest average high temperature) is January (34.2°C).
The month with the lowest average high temperature is July (20.5°C).

The month with the highest average low temperature is January (22.7°C).
The coldest month (with the lowest average low temperature) is July (11.8°C).

Average pressure
Formosa, Argentina

Average pressure - Formosa, Argentina

The month with the highest atmospheric pressure is July (1017.3mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).

Average wind speed
Formosa, Argentina

Average wind speed - Formosa, Argentina

The windiest month (with the highest average wind speed) is August (11.4km/h).
The calmest month (with the lowest average wind speed) is March (8.5km/h).

Average humidity
Formosa, Argentina

Average humidity - Formosa, Argentina

The months with the highest relative humidity are May and June (84%).
The month with the lowest relative humidity is January (65%).

Average rainfall
Formosa, Argentina

Average rainfall - Formosa, Argentina

The wettest month (with the highest rainfall) is November (112mm).
The driest month (with the least rainfall) is August (21mm).

Average rainfall days
Formosa, Argentina

Average rainfall days - Formosa, Argentina

The month with the highest number of rainy days is January (14.3 days).
The month with the least rainy days is August (6.7 days).

Average daylight / Average sunshine
Formosa, Argentina

Average daylight / Average sunshine - Formosa, Argentina

The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 30min).

The months with the most sunshine are November and December (Average sunshine: 10h and 12min).
The month with the least sunshine is May (Average sunshine: 6h and 42min).

Average sunshine days
Formosa, Argentina

Average sunshine days - Formosa, Argentina

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (12.8 days).

Average UV index
Formosa, Argentina

Average UV index - Formosa, Argentina

The months with the highest UV index are January, February and December (UV index 7).
The months with the lowest UV index are May and June (UV index 4).

Average visibility
Formosa, Argentina

Average visibility - Formosa, Argentina

The months with the highest visibility are January, February, March, August, September, October, November and December (9km).
The month with the lowest visibility is May (7km).

Formosa, Argentina

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