Climate and monthly weather forecast
Asuncion, Paraguay

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A beautiful park overlooking the city of Asuncion in Paraguay
A beautiful park overlooking the city of Asuncion in Paraguay

The climate of Asuncion

Situated in the heart of South America, Asuncion is characterized by a subtropical climate with no distinct dry season, placing it into the Köppen Cfa climate classification. Beamed down all year by direct equatorial sunlight, the city has a relatively constant, high-temperature pattern, with hourly sunlight fluctuating from 10.6h in June to 13.7h in December.

Highly influenced by its lack of a dry season, rainfall in Asuncion is somewhat annual, albeit with minor fluctuations. It demonstrates a concentration during the warmer months, reaching its peak in November and December with 97mm (3.82") and 92mm (3.62"), respectively. Contrarily, rainfall reaches its sparsest stage in August with only 19mm (0.75").

Temperature-wise, Asuncion gets particularly toasty around January, where maximum temperatures surge to their peak at 34.1°C (93.4°F), and lows settle around a comfortable 23.3°C (73.9°F). Inversely, July represents the coldest month with temperatures ranging from lows of 12.6°C (54.7°F) up to 21.3°C (70.3°F) at the warm end.

Humidity levels start burgeoning from April, reaching a peak in May and June with 84% and 83% respectively, before settling down back again till December. The city also experiences moderate wind speeds ranging from an average 9.2km/h (5.7mph) in March to approximately 12.6km/h (7.8mph) in August.

The Best Time to Visit Asuncion

To experience the best of Asuncion, planning a visit between May and July offers the most ideal climatic conditions. During these months, temperature levels are comfortably moderate - from a low of 15.3°C (59.5°F) in May to a high of 21.3°C (70.3°F) in July - making it an appealing period for tourists to explore the city.

The city also experiences its least rainfall during these months with rainfall values dropping to 52mm (2.05") in June and 44mm (1.73") in July. With the humidity level reduced to 84% and 80% respectively and increased daylight hours, the weather in these months provides perfect conditions for sightseeing and outdoor activities.

The Worst Time to Visit Asuncion

The period from October to December represents the least favorable time to visit Asuncion due to the increased rainfall compared to other months. Total precipitation during these months reaches 92mm (3.62") in October, 97mm (3.82") in November, and 92mm (3.62") again in December, which may restrict outdoor activities.

Furthermore, temperatures during these months tend to escalate, with a peak temperature of 33°C (91.4°F) in December. This can result in humid and uncomfortable weather that might not be ideal for exploring the city.

Spring Weather in Asuncion

Spring in Asuncion spans from September to November and is marked by a notable warmth with temperatures ranging from a minimum of 16°C (60.8°F) in September to a high of 33.5°C (92.3°F) in November. Rainfall during this period is quite significant, reaching its annual apex at 97mm (3.82") in November. Humidity levels start to leap from 68% in September to 69% in November, while the daylight stretches from 12h in September to 13.4h in November.

Summer Weather in Asuncion

Being in the Southern Hemisphere, the city of Asuncion experiences its summer from December to February. Starting with the highest annual temperature value of 34.1°C (93.4°F) in December, the warmth gradually decreases to 33°C (91.4°F) by February. The nighttime temperature during this period also remains high, providing significantly warmer nights. Rainfall figures are substantial, ranging from 92mm (3.62") in December to 69mm (2.72") in February.

Autumn Weather in Asuncion

Autumn sweeps through Asuncion between March and May. During this season, there's a noticeable cooldown from summer's heat, as temperatures drop from 31.8°C (89.2°F) in March to a much more comfortable 23.9°C (75°F) in May. Minimum temperatures also decrease from 20.6°C (69.1°F) in March to 15.3°C (59.5°F) in May. It also ties with a drop in rainfall from 73mm (2.87") in April to 52mm (2.05") in May, making this period an appealing time for exploring the city.

Winter Weather in Asuncion

Blessed with a mild winter as per its Köppen classification, Asuncion’s winter months from June to August feature relatively temperate weather. The period starts off with the year's minimum temperature of 12.6°C (54.7°F) in July, which gradually increases to 14.3°C (57.7°F) by August. Maximum temperatures follow the same growth path, starting with 21.3°C (70.3°F) in July and ending at 25.1°C (77.2°F) in August. Despite being winter, these months also enjoy ample daylight hours ranging from 10.6h in June to 11.3h in August.

Weather in January

Kicking off the year in Asuncion Paraguay, weather in January is typically warm with high temperatures hitting a peak at 34.1°C (93.4°F). Compared to December, the humidity remains steady, offering a consistent climatic condition. Weather in January »

Weather in February

As the second month rolls in, Asuncion navigates towards a slightly cooler climate compared to January. February features a humid environment owing to the elevated relative humidity of 68%. A gradual decrease in daylight and sunshine hours sets a different tone for this month. Weather in February »

Weather in March

When it comes to March weather in Asuncion, a notable dip in temperature to 31.8°C (89.2°F) is observed. Compared to its preceding month, the weather continues to cool down. The month also sees a lower frequency of rainfall days, indicating a transition towards drier conditions. Weather in March »

Weather in April

April in Asuncion marks the beginning of a considerable cool-down phase in weather. The highest temperature further drops to 28.7°C (83.7°F), making it significantly cooler than March. As the month progresses, the weather becomes more comfortable and less humid. Weather in April »

Weather in May

May sits at the pivoting point of weather transformation in Asuncion. Venturing further away from the warmth of April, May welcomes lower temperatures and elevated humidity levels of 84%. The slower winds and fewer daylight hours contribute to the decrease in temperate conditions. Weather in May »

Weather in June

June experiences mild weather conditions in Asuncion as opposed to the warmer previous months. This shift towards milder weather continues from May, with temperatures falling further and relative humidity slightly decreasing. The transition to shorter daylight hours and lesser rainfall continues. Weather in June »

Weather in July

The month of July in Asuncion marks the peak of winter season with the lowest temperature dipping to 12.6°C (54.7°F). The climate becomes significantly cooler than in June, and the amount of rainfall is also reduced. The wind speed sees a slight increment compared to the previous month, adding a brisk touch to the cool weather. Weather in July »

Weather in August

Asuncion in August starts to recover from the cooler temperatures of July, moving towards slightly warmer conditions again. The prominence of dry weather continues from July, signified by the lowest rainfall experienced amidst the year. Weather in August »

Weather in September

September steps into Asuncion embracing the traits of spring with temperatures elevating to 27.6°C (81.7°F). The month gets slightly warmer than August and creates a noticeable oscillation in the weather pattern. A slight increase in the number of rainfall days can also be noticed, signaling a shift towards wetter conditions. Weather in September »

Weather in October

In October, Asuncion boils up a little more as compared to September, marking the beginning of warmer months. The number of rainfall days sees a notable spike, indicating a shift from the dry spell in August and a significant return of moist conditions. Weather in October »

Weather in November

Asuncion experiences a hot and humid climate in November, which is a step up from the heat of October. High temperatures returning to their early-year peak and the frequency of rainfall introduce truly summery conditions. The number of daylight and sunshine hours also increase, shedding longer periods of sunlight over the city. Weather in November »

Weather in December

December brings the warmest weather times back to Asuncion with temperatures soaring up to 33°C (91.4°F). The month continues with the summery vibe of November, experiencing increased rainfall and longer daylight periods. The pressure drops a bit compared to November, indicating the continued influence of the warm, moist air masses. Weather in December »
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Frequently asked questions

What month is the hottest in Asuncion?

Asuncion's temperature records reveal January as the warmest month, marked by average highs of 34.1°C (93.4°F) and lows of 23.3°C (73.9°F).

What is the least humid month in Asuncion?

The least humid month in Asuncion, Paraguay, is January, with an average relative humidity of 66%.

How many days does it rain in Asuncion?

Throughout the year, there are 145.4 rainfall days, and 796mm (31.34") of precipitation is accumulated.

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

January through March, October and December, with an average maximum UV index of 7, are months with the highest UV index in Asuncion, Paraguay.

When is Daylight Saving Time (DST) in Asuncion?

On Sunday, 24. March 2024, at 00:00, Daylight Saving Time ends in Asuncion, and the time zone changes from -03 to -04. The next Daylight Saving Time starts on Sunday, 06. October 2024, at 00:00, and the time zone reverts from -04 to -03.

What is the most humid month in Asuncion?

The most humid month is May, with an average relative humidity of 84%.

What is the month with the least sunshine in Asuncion?

May has the least sunshine of the year, with an average of 7h of sunshine.

When is the lowest UV index in Asuncion?

With an average maximum UV index of 4, May is the month with the lowest UV index.

What is the month with the shortest days in Asuncion?

June has the shortest days of the year, with an average of 10h and 36min of daylight.

What month is the coldest in Asuncion?

July, marked by an average high-temperature of 21.3°C (70.3°F) and a low-temperature of 12.6°C (54.7°F), is the coldest month.

What is the driest month in Asuncion?

The month with the least rainfall is August, when the rain falls for 6.8 days and typically collects 19mm (0.75") of precipitation.

What is the rainiest month in Asuncion?

The month with the most rainfall is November, when the rain falls for 12.1 days and typically aggregates up to 97mm (3.82") of precipitation.

What month has the most sunshine in Asuncion?

With an average of 10.6h of sunshine, November has the most sunshine of the year in Asuncion, Paraguay.

When are the longest days in Asuncion?

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

Average temperature
Asuncion, Paraguay

Average temperature - Asuncion, Paraguay

The warmest month (with the highest average high temperature) is January (34.1°C).
The month with the lowest average high temperature is July (21.3°C).

The month with the highest average low temperature is January (23.3°C).
The coldest month (with the lowest average low temperature) is July (12.6°C).

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Average pressure
Asuncion, Paraguay

Average pressure - Asuncion, Paraguay

The month with the highest atmospheric pressure is July (1017.2mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).

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Average wind speed
Asuncion, Paraguay

Average wind speed - Asuncion, Paraguay

The windiest month (with the highest average wind speed) is August (12.6km/h).
The calmest month (with the lowest average wind speed) is March (9.2km/h).

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Average rainfall
Asuncion, Paraguay

Average rainfall - Asuncion, Paraguay

The wettest month (with the highest rainfall) is November (97mm).
The driest month (with the least rainfall) is August (19mm).

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Average rainfall days
Asuncion, Paraguay

Average rainfall days - Asuncion, Paraguay

The month with the highest number of rainy days is January (15.8 days).
The month with the least rainy days is August (6.8 days).

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Average daylight / Average sunshine
Asuncion, Paraguay

Average daylight / Average sunshine - Asuncion, Paraguay

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 36min).

The month with the most sunshine is November (Average sunshine: 10h and 36min).
The month with the least sunshine is May (Average sunshine: 7h and 0min).

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Average sunshine days
Asuncion, Paraguay

Average sunshine days - Asuncion, Paraguay

The month with the most sunshine days is August (23.1 days).
The month with the least sunshine days is February (11.4 days).

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Average UV index
Asuncion, Paraguay

Average UV index - Asuncion, Paraguay

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

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Average visibility
Asuncion, Paraguay

Average visibility - Asuncion, Paraguay

The months with the highest visibility are January, February, March, April, July, August, September, October, November and December (9km).
The months with the lowest visibility are May and June (8km).

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Asuncion, Paraguay

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