Sierra de la Ventana Weather in October

In Sierra de la Ventana, October brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 8°C (46°F). It is the wettest month of the year, so expect more rainfall than usual.

Rainfall in Sierra de la Ventana in October

This month is known for heavy rainfall, so don't forget your umbrella to stay dry. Based on our climate data of the past 30 years, about 10 days of rain are anticipated, with 88 mm (3.5 in) on average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Sierra de la Ventana in October

October in Sierra de la Ventana is generally perfect, with days reaching 20°C (68°F) and nights settling around 8°C (46°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Sierra de la Ventana in October

Expect sunny days throughout the month, with an estimated 205 hours of sunshine. This makes it a pleasant time to visit Sierra de la Ventana.

If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, October, November and December typically offer the best circumstances for Sierra de la Ventana.

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 Argentina, check out our Sierra de la Ventana's climate page.

Sierra de la Ventana Temperature in October

Min Temperature 8°C (46°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 33%  

Precipitation 88 mm (3.5 in)  

Rainy days 10 days  

Humidity 65% *  

Sunshine 205 hours *  

Percentage Sunshine 49% *  

* Data from: Bahía Blanca, Argentina (74 KM, 46 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Sierra de la Ventana typically rise from around 19°C (66°F) at the start of October to approximately 23°C (73°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 10°C (50°F).

Average temperatures in October

‹ Select year to compare to 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 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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

Daily Historical Precipitation

50-year average (1976-2025)

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

Average precipitation in October

‹ Select year to compare to 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 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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

Historical weather for Sierra de la Ventana in October

Browse day-by-day weather records for Sierra de la Ventana 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 ›

Sierra de la Ventana historical weather extremes in October

Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Sierra de la Ventana.

• The warmest day in October was on October 27, 2021, with a maximum of 36°C (97°F).
• Sierra de la Ventana experienced its chilliest October day on October 20, 2002, reaching only 8°C (46°F).
• The coldest night in October in Sierra de la Ventana was on October 4, 1981, with a minimum of -3°C (27°F).

What to Wear in Sierra de la Ventana in October

Comfortable temperatures call for an easy wardrobe in October. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Sierra de la Ventana in October

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

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

4/10

Outdoor sports

9/10

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 Argentina, check out our Sierra de la Ventana's climate page.

More climate data for Sierra de la Ventana

Temperature Rainfall Sunshine Humidity

See the full Sierra de la Ventana climate overview or explore weather in Argentina.