Climate and monthly weather forecastSan Antonio, Paraguay
Climate and monthly weather forecast
The climate of San Antonio
San Antonio falls under the Cfa classification according to the Köppen climate scheme, associated with a humid subtropical climate with no discernible dry season. This South American city, nestled in Paraguay, experiences varying weather patterns throughout the year.Upon scrutinizing the climatological information, one might notice certain consistent patterns. Relative humidity makes minor fluctuations from 67% to 84% over the year, creating a generally humid environment. Rainfall distribution sees certain variability throughout the year, hovering between 18mm (0.71") in August and 109mm (4.29") in November. Wind speeds in San Antonio remain relatively moderate, making minimal changes from 9.4km/h (5.8mph) to 13km/h (8.1mph) across twelve months.
Looking at temperature trends, it becomes evident San Antonio sees a range of temperatures from a mildly cool 12.5°C (54.5°F) to a sweltering hot 34°C (93.2°F). The city experiences its highest temperatures between January and March, offering an extended period of summer heat. In contrast, a slight dip in temperatures from 21.2°C (70.2°F) to 28.7°C (83.7°F) between May and September provides a mildly cool respite.
The best time to visit San Antonio
Travelers visiting San Antonio to experience its warmest weather and enjoy its outdoor vistas should consider the period from January to March. During these months, daily temperatures reach up to 34°C (93.2°F) with a comforting breeze, making it ideal for enjoying the city's scenic landscapes and outdoor attractions.The worst time to visit San Antonio
The period of maximum rainfall in San Antonio extends from October to December and again in January. These months witness rainfall volumes from 103mm (4.06") to 109mm (4.29"), potentially resulting in unplanned changes to outdoor activities. Travelers seeking to avoid the rainiest months should avoid planning their visit during this period.Spring weather in San Antonio
Spring in San Antonio spans from September to November, offering pleasant weather with median temperatures consistently between 23.8°C (74.8°F) and 29.6°C (85.3°F). Coupled with a decrease in rainfall from 36mm (1.42") to 103mm (4.06"), the city puts its best colors forward, making it an excellent season to enjoy the blooming flora.Summer weather in San Antonio
The summer in San Antonio ranges from December to February, bringing the year's highest temperatures, from 31.4°C (88.5°F) to 34°C (93.2°F). While the weather supports outdoor activities, travelers need to keep in mind the high relative humidity and increased rainfall during these months.Autumn weather in San Antonio
The months of March to May mark Autumn in San Antonio and witness a decline in temperatures, reaching a median low of 23.8°C (74.8°F) by May. This period also offers a decrease in relative humidity, providing an easing atmosphere for outdoor explorations.Winter weather in San Antonio
Winter in San Antonio, extending from June to August, experiences more moderate temperatures from 21.2°C (70.2°F) to 25°C (77°F). It is the period of least rainfall with an average volume of 38mm (1.5") in June and a sharp decrease to 18mm (0.71") by August. The relatively dry winter climate makes it the optimal season for enjoying the city.Weather in January
The beginning of the year in San Antonio, Paraguay is marked by warm and humid weather conditions. Temperatures reach their peak, with the high around 34°C (93.2°F) and lows rarely dipping below 23.3°C (73.9°F). These temperatures encourage outdoor activities, especially during the 13.5 hours of daylight the city enjoys in this month. Weather in January »Weather in February
February carries on January's warm trend, although there's a slight dip in the maximum temperatures. The weather remains relatively stable where the overall conditions resemble those of January, making it a continuation of the warm and sweaty season. Weather in February »Weather in March
Come March, there is a noticeable decrease in both temperature and rainfall. From hot and heavy, the weather transitions towards a more temperate climate in San Antonio. A drop in temperature high to 31.8°C (89.2°F) and a rainfall drop to 66mm (2.6") indicate the start of the transition from summer to fall. Weather in March »Weather in April
April marks a significant change with a shift in weather conditions taking place. Trailing the summer months, the temperature continues to gradually drop, ushering in San Antonio's mild autumn. The city experiences a further decline in high temperature, bottoming at 28.7°C (83.7°F), and more sporadic rainfall compared to March. Weather in April »Weather in May
The month of May brings a significant drop in temperature and rainfall, making it the beginning of the dry season in San Antonio. Pleasant weather prevails, with a considerable decrease in the temperature high at 23.8°C (74.8°F). Weather in May »Weather in June
June weather in San Antonio continues to be mild and comfortable, but the lower temperatures and reduced sunlight signal the onset of winter. The cool atmosphere makes it an ideal time for sightseeing and local festivals. The temperature highs and lows sit comfortably between 21.5°C (70.7°F) and 13.6°C (56.5°F), which constitutes a mild winter. Weather in June »Weather in July
July in San Antonio sees the continuation of the dry season with the least rainfall and a further dip in temperatures. Often considered the coolest month of the year, temperatures at midday ascend to a modest 21.2°C (70.2°F). The shorter daylight hours, combined with a slightly higher wind speed, contribute towards cooler and brisk evenings. Weather in July »Weather in August
As August rolls in, weather conditions begin to change in anticipation of the spring season. The countdown towards the end of winter begins as there is a slight increase in temperature and longer daylight hours. Temperature highs rise slightly, reaching up to 25°C (77°F) from the lower temperatures of the previous months. Weather in August »Weather in September
With winter slowly receding, September in San Antonio welcomes the onset of spring with warmer temperatures and slightly increased rainfall. It's a period of gradual transition where the mercury rises to touch a comfortable peak of 27.3°C (81.1°F), from the previous 25°C (77°F). Weather in September »Weather in October
October can be termed as a pre-summer month marked by rising temperatures and a significant increase in rainfall. The weather conditions feature warmer temperatures and more frequent rainfall, hinting at the onset of the wet season. Weather in October »Weather in November
November is considered a transition month in San Antonio as it marks the beginning of the summer season. Temperatures continue to climb, giving a glimpse of what's to come in the ensuing summer months. A significant increase in temperature high to 31.4°C (88.5°F) and rainfall reaching 109mm (4.29") signifies the impending summer. Weather in November »Weather in December
December brings a bout of summery warmth to San Antonio, featuring some of the highest temperatures of the year. The weather in the city is characterized by high temperatures, high humidity, and lengthy daylight hours. A temperature high of 33°C (91.4°F) and a significant rainfall of 104mm (4.09") signifies the festive and holiday season in full swing. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
San Antonio, Paraguay
The warmest month (with the highest average high temperature) is January (34°C).
The month with the lowest average high temperature is July (21.2°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 (12.5°C).
Average pressure
San Antonio, Paraguay
- Average pressure in January:
1008.7mbar - Average pressure in February:
1009.1mbar - Average pressure in March:
1011.1mbar - Average pressure in April:
1013.5mbar - Average pressure in May:
1015.4mbar - Average pressure in June:
1016.6mbar
- Average pressure in July:
1017.3mbar - Average pressure in August:
1015.8mbar - Average pressure in September:
1013.5mbar - Average pressure in October:
1010.6mbar - Average pressure in November:
1008.9mbar - Average pressure in December:
1007.8mbar
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
San Antonio, Paraguay
- Average wind speed in January:
10km/h - Average wind speed in February:
9.7km/h - Average wind speed in March:
9.4km/h - Average wind speed in April:
9.9km/h - Average wind speed in May:
10.4km/h - Average wind speed in June:
11.6km/h
- Average wind speed in July:
12km/h - Average wind speed in August:
13km/h - Average wind speed in September:
12.4km/h - Average wind speed in October:
12.3km/h - Average wind speed in November:
11.2km/h - Average wind speed in December:
10.3km/h
The windiest month (with the highest average wind speed) is August (13km/h).
The calmest month (with the lowest average wind speed) is March (9.4km/h).
Average humidity
San Antonio, Paraguay
The months with the highest relative humidity are May and June (84%).
The month with the lowest relative humidity is January (67%).
Average rainfall
San Antonio, Paraguay
The wettest month (with the highest rainfall) is November (109mm).
The driest month (with the least rainfall) is August (18mm).
Average rainfall days
San Antonio, Paraguay
- Average rainfall days in January:
16.7 days - Average rainfall days in February:
16.5 days - Average rainfall days in March:
14.6 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
11 days
- Average rainfall days in July:
9.5 days - Average rainfall days in August:
5.8 days - Average rainfall days in September:
9.4 days - Average rainfall days in October:
14.9 days - Average rainfall days in November:
13.2 days - Average rainfall days in December:
15.5 days
The month with the highest number of rainy days is January (16.7 days).
The month with the least rainy days is August (5.8 days).
Average daylight / Average sunshine
San Antonio, Paraguay
- Average daylight in January:
13h and 30min - Average daylight in February:
12h and 54min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 30min - Average daylight in May:
10h and 54min - Average daylight in June:
10h and 36min
- Average daylight in July:
10h and 42min - Average daylight in August:
11h and 18min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 42min - Average daylight in November:
13h and 24min - Average daylight in December:
13h and 42min
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).
- Average sunshine in January:
8h and 54min - Average sunshine in February:
8h and 36min - Average sunshine in March:
8h and 42min - Average sunshine in April:
8h and 12min - Average sunshine in May:
7h and 0min - Average sunshine in June:
7h and 12min
- Average sunshine in July:
7h and 30min - Average sunshine in August:
8h and 6min - Average sunshine in September:
8h and 36min - Average sunshine in October:
8h and 24min - Average sunshine in November:
10h and 30min - Average sunshine in December:
10h and 24min
The month with the most sunshine is November (Average sunshine: 10h and 30min).
The month with the least sunshine is May (Average sunshine: 7h and 0min).
Average sunshine days
San Antonio, Paraguay
- Average sunshine days in January:
12.7 days - Average sunshine days in February:
10.6 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
17.5 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
16.8 days
- Average sunshine days in July:
20.8 days - Average sunshine days in August:
23.8 days - Average sunshine days in September:
19.2 days - Average sunshine days in October:
14.1 days - Average sunshine days in November:
14 days - Average sunshine days in December:
13.5 days
The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is February (10.6 days).
Average UV index
San Antonio, Paraguay
The months with the highest UV index are January, February, October and December (UV index 7).
The month with the lowest UV index is May (UV index 4).
Average cloud cover
San Antonio, Paraguay
The month with the most cloud cover is May (Cloud cover 46).
The month with the least cloud cover is November (Cloud cover 26).
Average visibility
San Antonio, 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).





