AI-generatedBahía Blanca at a glance
- Best time
- Mar – May, Aug – Nov
- Warmest month
- Jan · 32°
- Sunshine a year
- 2,660 h
- Rain a year
- 587 mm
- Climate
- Temperate
- Time zone
- UTC−3
- Elevation
- 20 m
Climate in Bahía Blanca
Bahía Blanca has a temperate climate with warm summers and cool winters. January is the warmest month with average highs of 32 °C, while July is the coolest at 15 °C. With around 2,660 hours of sunshine a year, Bahía Blanca is sunny; December is the sunniest month with 10.1 hours a day.
Holiday weather through the year
Best time to visit Bahía Blanca
The best time to visit Bahía Blanca is from March to May and from August to November. For sightseeing, day trips and hiking, conditions are most comfortable from March to June and from August to November. The wettest month is March with 72 mm of precipitation.
Bahía Blanca through the seasons
How the weather changes over the seasons, with averages for each.
Bahía Blanca in spring
Sep – Nov
Excellent
- 20–27 °C by day
- 7.7 h of sun a day
- 21 rainy days in all
Bahía Blanca in summer
Dec – Feb
Good
- 30–32 °C by day
- 9.8 h of sun a day
- 19 rainy days in all
Bahía Blanca in autumn
Mar – May
Excellent
- 18–28 °C by day
- 6.6 h of sun a day
- 18 rainy days in all
Bahía Blanca in winter
Jun – Aug
Good
- 15–17 °C by day
- 5.0 h of sun a day
- 13 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Mar – Jun, Aug – Nov
15–28 °C and not too much rain
Find your perfect month
Tell us what you like and we rate every month in Bahía Blanca for you.
Your best months: April, October – November
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Excellent
Best time to visit: March – May, August – November
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 13°
- Midday, 13:00: about 22°
- Afternoon, 16:00: about 22°
- Evening, 20:00: about 17°
- Night, 23:00: about 13°
06:2419:26
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:07–06:59 · evening 18:50–19:42
- Blue hour
- Morning 05:56–06:07 · evening 19:42–19:53
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Bahía Blanca compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs rise from about 21° at the start of the month to 25° at the end. The days get 1.2 h longer.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 21° | 25° |
| Night-time low | 8° | 11° |
| Daylight | 12.4 h | 13.6 h |
What is the weather like in Bahía Blanca in October?
In October, Bahía Blanca is warm: daytime highs average 23 °C, and nights cool down to about 9 °C. The sun shines for around 7.6 hours a day. Rain falls on about 7 days, adding up to 63 mm. All in all, October is an excellent month for a holiday in Bahía Blanca.
More details for October
- Daylight
- 13 h 2 min06:24 – 19:26
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 27 km/haverage daily peakAll months
- Cloud cover
- 47 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC−3offset from UTC
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %77 %
- Few rainy daysweight 30 %76 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Compare two months in Bahía Blanca
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
November has the better holiday weather in Bahía Blanca: score 93 against 88. In November, days are 4 °C warmer than in October. The sun shines 2 hours longer a day in November.
| Month | October | November |
|---|---|---|
| Holiday weather score | 88 | 93better |
| Daytime high | 23° | 27° |
| Night-time low | 9° | 12° |
| Sunshine | 7.6 h | 9.1 hbetter |
| Rainy days | 7 | 7 |
| Rainfall | 63 mm | 63 mm |
Based on the climate averages 1996–2025.
Bahía Blanca month by month
The typical weather for every month at a glance.
64January32° · 10.0 h
In January, Bahía Blanca is hot: daytime highs average 32 °C, and nights cool down to about 17 °C. With around 10.0 hours of sunshine a day, there is plenty of sun. Rain falls on about 7 days, adding up to 48 mm. On about 21 days the thermometer climbs to 30 °C or more. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, January is a good month for a holiday in Bahía Blanca.
Bahía Blanca in January74February30° · 9.2 h
In February, Bahía Blanca is hot: daytime highs average 30 °C, and nights cool down to about 16 °C. With around 9.2 hours of sunshine a day, there is plenty of sun. Rain falls on about 7 days, adding up to 64 mm. On about 15 days the thermometer climbs to 30 °C or more. All in all, February is a good month for a holiday in Bahía Blanca.
Bahía Blanca in February87March28° · 8.0 h
In March, Bahía Blanca is hot: daytime highs average 28 °C, and nights cool down to about 14 °C. The sun shines for around 8.0 hours a day. Rain falls on about 7 days, adding up to 72 mm. On about 9 days the thermometer climbs to 30 °C or more. All in all, March is an excellent month for a holiday in Bahía Blanca.
Bahía Blanca in March88April23° · 6.6 h
In April, Bahía Blanca is warm: daytime highs average 23 °C, and nights cool down to about 10 °C. The sun shines for around 6.6 hours a day. Rain falls on about 6 days, adding up to 53 mm. All in all, April is an excellent month for a holiday in Bahía Blanca.
Bahía Blanca in April85May18° · 5.2 h
In May, Bahía Blanca is mild: daytime highs average 18 °C, and nights cool down to about 7 °C. Expect around 5.2 hours of sunshine a day. Rain falls on about 5 days, adding up to 34 mm. All in all, May is an excellent month for a holiday in Bahía Blanca.
Bahía Blanca in May71June15° · 4.6 h
In June, Bahía Blanca is cool: daytime highs average 15 °C, and nights cool down to about 4 °C. Expect around 4.6 hours of sunshine a day. Rain is rare: about 4 days bring 24 mm in total. All in all, June is a good month for a holiday in Bahía Blanca.
Bahía Blanca in June67July15° · 4.8 h
In July, Bahía Blanca is cool: daytime highs average 15 °C, and nights cool down to about 3 °C. Expect around 4.8 hours of sunshine a day. Rain is rare: about 5 days bring 32 mm in total. All in all, July is a good month for a holiday in Bahía Blanca.
Bahía Blanca in July83August17° · 5.7 h
In August, Bahía Blanca is mild: daytime highs average 17 °C, and nights cool down to about 5 °C. Expect around 5.7 hours of sunshine a day. Rain is rare: about 5 days bring 33 mm in total. All in all, August is an excellent month for a holiday in Bahía Blanca.
Bahía Blanca in August87September20° · 6.5 h
In September, Bahía Blanca is mild: daytime highs average 20 °C, and nights cool down to about 6 °C. The sun shines for around 6.5 hours a day. Rain falls on about 6 days, adding up to 46 mm. All in all, September is an excellent month for a holiday in Bahía Blanca.
Bahía Blanca in September88October23° · 7.6 h
In October, Bahía Blanca is warm: daytime highs average 23 °C, and nights cool down to about 9 °C. The sun shines for around 7.6 hours a day. Rain falls on about 7 days, adding up to 63 mm. All in all, October is an excellent month for a holiday in Bahía Blanca.
Bahía Blanca in October93November27° · 9.1 h
In November, Bahía Blanca is warm: daytime highs average 27 °C, and nights cool down to about 12 °C. With around 9.1 hours of sunshine a day, there is plenty of sun. Rain falls on about 7 days, adding up to 63 mm. On about 6 days the thermometer climbs to 30 °C or more. It is often windy: on a typical day the wind peaks at around 28 km/h. All in all, November is an excellent month for a holiday in Bahía Blanca.
Bahía Blanca in November76December30° · 10.1 h
In December, Bahía Blanca is hot: daytime highs average 30 °C, and nights cool down to about 15 °C. With around 10.1 hours of sunshine a day, there is plenty of sun. Rain falls on about 6 days, adding up to 55 mm. On about 17 days the thermometer climbs to 30 °C or more. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, December is a good month for a holiday in Bahía Blanca.
Bahía Blanca in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Bahía Blanca
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
CoolOctober: nights around 9°. A duvet at night and a jumper for the evening.
The coolest nights are in July (3°), the warmest in January (17°). Nights are pleasant for sleeping (15 to 20 °C) from December to February. Nights fall below 8 °C on average from May to September, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 64 | 32° | 17° | 10.0 h | 7 | 48 |
| FebruaryFeb | 74 | 30° | 16° | 9.2 h | 7 | 64 |
| MarchMar | 87 | 28° | 14° | 8.0 h | 7 | 72 |
| AprilApr | 88 | 23° | 10° | 6.6 h | 6 | 53 |
| MayMay | 85 | 18° | 7° | 5.2 h | 5 | 34 |
| JuneJun | 71 | 15° | 4° | 4.6 h | 4 | 24 |
| JulyJul | 67 | 15° | 3° | 4.8 h | 5 | 32 |
| AugustAug | 83 | 17° | 5° | 5.7 h | 5 | 33 |
| SeptemberSep | 87 | 20° | 6° | 6.5 h | 6 | 46 |
| OctoberOct | 88 | 23° | 9° | 7.6 h | 7 | 63 |
| NovemberNov | 93 | 27° | 12° | 9.1 h | 7 | 63 |
| DecemberDec | 76 | 30° | 15° | 10.1 h | 6 | 55 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
38.72° S, 62.27° W · 20 m · America/Argentina/Buenos_Aires
Sunshine
Sunshine hours in Bahía Blanca
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 7.6 of 13.0 hours of daylight in Bahía Blanca, 58 % of the daylight hours.
Sunshine hours: measured at the weather station 9 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Bahía Blanca: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Bahía Blanca has about 7 rainy days with 63 mm of rain in total.
UV index
UV index in Bahía Blanca
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 8 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.
The sun is strongest in December (UV 10).
Minutes until sunburn in October
- Very fair skin
- about 15 min
- Fair skin
- about 20 min
- Light brown skin
- about 30 min
- Olive skin
- about 40 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind & clouds
Wind and clouds in Bahía Blanca
How breezy and how cloudy Bahía Blanca is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Bahía Blanca typically peaks at 27 km/h during the day: Beaufort 4, moderate breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 47 % of the sky over Bahía Blanca: variable cloud, with about 7.6 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat & humidity
Heat and humidity in Bahía Blanca
How often the day gets hot in Bahía Blanca (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Bahía Blanca has about 1 hot day, with an average daytime high of 23 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Planning a trip to Bahía Blanca
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Bahía Blanca in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Bahía Blanca has its best school-holiday weather during the Easter holidays (score 88) and its weakest during the Christmas holidays (score 70).
- 88
Easter holidays
Mar – Apr
ExcellentBest holidays
- 24 °C by day
- 7.0 h of sun a day
- 6 rainy days a month
Good for: Sightseeing & walks
- 82
May half-term
May – Jun
Excellent
- 18 °C by day
- 5.1 h of sun a day
- 5 rainy days a month
Good for: Sightseeing & walks
- 77
Summer holidays
Jul – Aug
Good
- 16 °C by day
- 5.4 h of sun a day
- 5 rainy days a month
- 88
October half-term
Oct
Excellent
- 23 °C by day
- 7.6 h of sun a day
- 7 rainy days a month
Good for: Sightseeing & walks
- 70
Christmas holidays
Dec – Jan
Good
- 31 °C by day
- 10.1 h of sun a day
- 6 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 14 h 35 min
- Distance
- 11,680 km
- Time zone
- UTC−3
- Jet lag
- About 3 days (4 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: Argentina
- Currency
- Argentine Peso (ARS)
- Language
- Spanish
- Sockets
- Type C, I · 220 V
- Dialling code
- +54
- Emergency number
- 911
UK plugs need a travel adapter
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Bahía Blanca compared
Put Bahía Blanca side by side with another destination.
Bahía Blanca vs Mar del Plata
In October Bahía Blanca has the better holiday weather (score 88 vs 77). During the day Mar del Plata is 4 °C cooler than Bahía Blanca. Mar del Plata gets 3 fewer hours of sunshine a day.
| in October | Bahía Blanca | Mar del Plata |
|---|---|---|
| Holiday weather score | 88 | 77 |
| Daytime high | 23° | 19° |
| Sea | no sea nearby | 13° |
| Sunshine | 8 h | 5 h |
| Rainy days | 7 | 9 |
| Best time | Mar – May, Aug – Nov | Oct – May |
Through the year
Best places in the country
Argentina in October: the best places
In October, Bahía Blanca ranks 5 of 24 destinations in this country.
- Neuquén23°97
- 2Comodoro Rivadavia19°9°96
- 3Puerto San Julián17°7°92
- 4Mendoza24°89
- 5Bahía BlancaThis page23°88
- 6Córdoba27°87
- 7La Plata21°83
- 8Buenos Aires21°19°83
Places nearby
Near Bahía Blanca
Other destinations close by.
Places with a similar climate
Places with a climate like Bahía Blanca
Destinations whose weather through the year is closest to Bahía Blanca's – good alternatives.
Frequently asked questions about Bahía Blanca
When is the best time to visit Bahía Blanca?
The best time to visit Bahía Blanca is from March to May and from August to November. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Bahía Blanca?
January is the warmest month, with average highs of 32 °C and nights around 17 °C. July is the coolest month at 15 °C.
When does it rain most in Bahía Blanca?
The wettest month is March with 72 mm of precipitation. The driest month is June with 24 mm.
How many hours of sunshine does Bahía Blanca get?
Bahía Blanca gets around 2,660 hours of sunshine a year. The sunniest month is December with 10.1 hours a day; in June there are 4.6 hours a day.
What time zone is Bahía Blanca in?
Bahía Blanca is on UTC−3 all year.
How long is the flight from London to Bahía Blanca?
A nonstop flight from London to Bahía Blanca takes about 14 h 35 min, for a straight-line distance of about 11,680 km. Most routes need a change of planes, which adds time.
Which school holidays are best for Bahía Blanca?
Bahía Blanca has its best school-holiday weather during the Easter holidays (score 88) and its weakest during the Christmas holidays (score 70). Holiday ratings (0–100): Easter holidays 88, May half-term 82, summer holidays 77, October half-term 88, Christmas holidays 70.