Concepción Weather in December

December in Concepción brings very high temperatures, with highs of 34°C (93°F) and nights dropping to 23°C (73°F). It's the rainiest month of the year, so come prepared with waterproof gear.

Rainfall in Concepción in December

Concepción is in the rainy season in December, with rain on around 10 days and an average of 181 mm (7.1 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.

Temperature in Concepción in December

In December, Concepción gets very high temperatures, with highs of 34°C (93°F). Nights cool to around 23°C (73°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 23°C (73°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

Sunshine in Concepción in December

Expect a lot of sunshine this month, with about 224 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.

Wind Speed in Concepción in December

December sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Average water temperature in December

At 14°C (57°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Concepción. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Paraguay, check out our Concepción's climate page.

Concepción Temperature in December

Min Temperature 23°C (73°F)  

Max Temperature 34°C (93°F)  

Water Temperature 14°C (57°F)  

Chance of Rain 32%  

Precipitation 181 mm (7.1 in)  

Rainy days 10 days  

Humidity 70%  

Windspeed 4 m/s (8 knots)  

Sunshine 224 hours  

Percentage Sunshine  

Daily Historical Temperatures

48-year average (1976-2025)

Based on our historical records, temperatures in Concepción typically stay consistent throughout December, with daily highs averaging around 34°C (93°F). Nights are warm, with lows around 23°C (73°F).

Average temperatures in December

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‹ January February March April May June July August September October November December ›

Daily Historical Precipitation

48-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in December

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‹ January February March April May June July August September October November December ›

Historical weather for Concepción in December

Browse day-by-day weather records for Concepción spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

Concepción historical weather extremes in December

Based on 23 years of weather observations in Concepción between 2002 and 2025, these are the recorded extremes.

• Concepción recorded its highest December temperature of 40°C (104°F) on December 8, 2008.
• The coldest December day was on December 13, 2010, with a maximum of 22°C (72°F).
• Concepción registered its coldest December night on December 14, 2010, with temperatures dropping to 12°C (54°F).
• Peak precipitation in December occurred on December 7, 2016, when 118 mm (4.6 in) of precipitation was measured.

What to Wear in Concepción in December

Get ready for hot weather in December! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Also bring a poncho, it will rain a lot! Waterproof everything you can. The water temperature sits at about 14°C (57°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Concepción in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Paraguay, check out our Concepción's climate page.

More climate data for Concepción

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Concepción climate overview or explore weather in Paraguay.