Bahía Blanca, Buenos Aires Weather by Month and Climate Averages

How much rain does Bahía Blanca get?

Bahía Blanca gets 585 mm of precipitation in an average year, spread over about 62 days with measurable rain. That is more rainy days than 65% of Argentina.

February is the wettest month, with 66 mm. August is the driest, with 23 mm. October has the most rainy days, about 7.

Bahía Blanca weather by month

Bahía Blanca weather in January

In January, Bahía Blanca averages a high of 32°C and a low of 16°C. It gets 63 mm of precipitation over about 6 rainy days. The sun is out about 69% of daylight hours. The January record high is 44°C (1980) and the record low is 3°C (1975).

Bahía Blanca weather in February

In February, Bahía Blanca averages a high of 30°C and a low of 15°C. It gets 66 mm of precipitation over about 5 rainy days. The sun is out about 70% of daylight hours. The February record high is 41°C (2023) and the record low is 2°C (2019).

Bahía Blanca weather in March

In March, Bahía Blanca averages a high of 27°C and a low of 13°C. It gets 54 mm of precipitation over about 5 rainy days. The sun is out about 64% of daylight hours. The March record high is 39°C (2003) and the record low is -2°C (1977).

Bahía Blanca weather in April

In April, Bahía Blanca averages a high of 22°C and a low of 9°C. It gets 57 mm of precipitation over about 6 rainy days. The sun is out about 60% of daylight hours. The April record high is 34°C (2018) and the record low is -3°C (1989). April is one of the most comfortable months to visit.

Bahía Blanca weather in May

In May, Bahía Blanca averages a high of 18°C and a low of 6°C. It gets 41 mm of precipitation over about 5 rainy days. The sun is out about 53% of daylight hours. The May record high is 30°C (1997) and the record low is -7°C (1988). May is one of the most comfortable months to visit.

Bahía Blanca weather in June

In June, Bahía Blanca averages a high of 14°C and a low of 3°C. It gets 37 mm of precipitation over about 5 rainy days. The sun is out about 46% of daylight hours. The June record high is 28°C (1987) and the record low is -10°C (2002).

Bahía Blanca weather in July

In July, Bahía Blanca averages a high of 14°C and a low of 2°C. It gets 32 mm of precipitation over about 4 rainy days. The sun is out about 51% of daylight hours. The July record high is 27°C (2008) and the record low is -12°C (1988).

Bahía Blanca weather in August

In August, Bahía Blanca averages a high of 17°C and a low of 4°C. It gets 23 mm of precipitation over about 4 rainy days. The sun is out about 57% of daylight hours. The August record high is 33°C (2013) and the record low is -8°C (2010). August is one of the most comfortable months to visit.

Bahía Blanca weather in September

In September, Bahía Blanca averages a high of 19°C and a low of 6°C. It gets 38 mm of precipitation over about 4 rainy days. The sun is out about 56% of daylight hours. The September record high is 32°C (1977) and the record low is -7°C (1988). September is one of the most comfortable months to visit.

Bahía Blanca weather in October

In October, Bahía Blanca averages a high of 23°C and a low of 8°C. It gets 61 mm of precipitation over about 7 rainy days. The sun is out about 60% of daylight hours. The October record high is 39°C (2021) and the record low is -4°C (1972). October is one of the most comfortable months to visit.

Bahía Blanca weather in November

In November, Bahía Blanca averages a high of 27°C and a low of 12°C. It gets 51 mm of precipitation over about 6 rainy days. The sun is out about 60% of daylight hours. The November record high is 38°C (1971) and the record low is -2°C (1973). November is one of the most comfortable months to visit.

Bahía Blanca weather in December

In December, Bahía Blanca averages a high of 30°C and a low of 14°C. It gets 63 mm of precipitation over about 6 rainy days. The sun is out about 65% of daylight hours. The December record high is 42°C (1971) and the record low is 3°C (1983).

Sunshine, humidity and wind in Bahía Blanca

February is the sunniest month in Bahía Blanca, with sunshine about 70% of daylight hours. June is the cloudiest, at 46%. Over the year the sun shines about 59% of daylight hours. Bahía Blanca is sunnier than 55% of Argentina.

Humidity peaks in June at 70% and is lowest in January at 51%.

Bahía Blanca has about 32 days a year above 32°C. Bahía Blanca is hotter than 66% of Argentina.

First and last freeze in Bahía Blanca

The first fall freeze in Bahía Blanca typically comes around May 6, and the last spring freeze around October 3. That leaves a frost-free growing season of about 215 days.

Bahía Blanca weather records

The hottest temperature on record at the Bahía Blanca station is 44°C, on January 21, 1980. The coldest is -12°C, on July 4, 1988.

The wettest day on record brought 258 mm of rain, on November 5, 1974.

20 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.3°C per decade since 1970.

The best time to visit Bahía Blanca

The most comfortable time to visit is typically April to May and August to November, when daytime highs sit near 21°C.

Winter (June–August) is mild, with average highs around 15°C and lows near 3°C.

Spring (September–November) is warm, with average highs around 23°C and lows near 9°C.

Summer (December–February) is hot, with average highs around 31°C and lows near 15°C.

Autumn (March–May) is warm, with average highs around 23°C and lows near 10°C.

Bahía Blanca climate questions

How much rain does Bahía Blanca get?

Bahía Blanca gets 585 mm of precipitation in an average year, over about 62 rainy days.

What is the wettest month in Bahía Blanca?

February is the wettest month in Bahía Blanca, with 66 mm. August is the driest, with 23 mm.

How many rainy days does Bahía Blanca have a year?

Bahía Blanca has about 62 days with measurable rain in an average year. October has the most, about 7.

What is the hottest month in Bahía Blanca?

January is the warmest month in Bahía Blanca, with an average high of 32°C.

What is the coldest month in Bahía Blanca?

July is the coldest month in Bahía Blanca, with an average low of 2°C.

What is the record high temperature in Bahía Blanca?

The record high at the Bahía Blanca station is 44°C, set on January 21, 1980. The record low is -12°C, on July 4, 1988.

What is the sunniest month in Bahía Blanca?

February is the sunniest month in Bahía Blanca, with sunshine about 70% of daylight hours. June is the cloudiest.

When is the first frost in Bahía Blanca?

The first fall freeze in Bahía Blanca typically comes around May 6. The last spring freeze is around October 3.

What is the best time to visit Bahía Blanca?

The most comfortable time to visit is typically April to May and August to November, when daytime highs sit near 21°C.