January weather forecast
Bahía Blanca, Argentina

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Weather in January

The start of the year in Bahía Blanca, Argentina, is greeted with the warmest spells, guiding the city into its summer zenith. Balmy afternoons with sunlight lasting for approximately 14.5 hrs a day, combined with high UV index, make it the perfect time to hit the beaches. Although January boasts the highest temperature peaks, with the maximum hitting up to 29.8°C (85.6°F), it also ushers in a pleasant coolness, never letting the mercury drop below 18.9°C (66°F) at night. The weather remains moderately humid, setting up an ideal climate for outdoor activities and excursions. Nevertheless, residents should stay prepared for sporadic showers, as rainfall of 27mm (1.06") is anticipated throughout the month.

Temperature

Temperature readings in Bahía Blanca reach their annual highs in January, averaging 29.8°C (85.6°F) and a minimum average of 18.9°C (66°F).

Heat index

During January, the heat index is estimated at a hot 30°C (86°F). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

January and December, with an average relative humidity of 44%, are the least humid months.

Rainfall

In January, in Bahía Blanca, the rain falls for 5.7 days. Throughout January, 27mm (1.06") of precipitation is accumulated. In Bahía Blanca, Argentina, during the entire year, the rain falls for 73.5 days and collects up to 280mm (11.02") of precipitation.

Snowfall

In Bahía Blanca, snow does not fall in January through June, August through December.

Sea temperature

In Bahía Blanca, the average seawater temperature in January is 20°C (68°F).
Note: For most, swimming in 20°C (68°F) is not a pleasant activity. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

In January, the average length of the day is 14h and 30min.
On the first day of the month, sunrise is at 05:47 and sunset at 20:37. On the last day of January, sunrise is at 06:19 and sunset at 20:25 -03.

Sunshine

In Bahía Blanca, the average sunshine in January is 10.4h.

UV index

The months with the highest UV index in Bahía Blanca are January through March and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 6 in January translates into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What month is the hottest in Bahía Blanca?

In Bahía Blanca, the average temperatures in January are the highest, with a peak at 29.8°C (85.6°F) and a low of 18.9°C (66°F).

How hot is January in Bahía Blanca?

In Bahía Blanca, in January, the average high-temperature is 29.8°C (85.6°F), and the average low-temperature is 18.9°C (66°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in January is estimated at 30°C (86°F).

What are the least humid months in Bahía Blanca?

The months with the lowest humidity are January and December, with an average relative humidity of 44%.

What is the average humidity in January in Bahía Blanca?

In January, the average relative humidity in Bahía Blanca is 44%.

How many days does it rain in January in Bahía Blanca?

In January, the rain falls for 5.7 days. Throughout January, 27mm (1.06") of precipitation is accumulated.

When it does not snow in Bahía Blanca?

January through June, August through December are months without snowfall in Bahía Blanca, Argentina.

How cold is the water in January in Bahía Blanca?

In Bahía Blanca, Argentina, the average seawater temperature in January is 20°C (68°F). Swimming in 20°C (68°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the average length of the day in January in Bahía Blanca?

In January, the average day length in Bahía Blanca, Argentina, is 14h and 30min.

When is the sunrise / sunset in January in Bahía Blanca?

In January, on the first day of the month, sunrise is at 05:47 and sunset at 20:37. On the last day of the month, sunrise is at 06:19 and sunset at 20:25 -03.

How long on average sun shines in January in Bahía Blanca?

The average sunshine duration in January in Bahía Blanca, Argentina, is 10.4h.

When is the highest UV index in Bahía Blanca?

January through March and December, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in January in Bahía Blanca?

The average daily maximum UV index in January in Bahía Blanca, Argentina, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in January
Bahía Blanca, Argentina

Average temperature in January - Bahía Blanca, Argentina
  • Average high temperature in January: 29.8°C

The warmest month (with the highest average high temperature) is January (29.8°C).
The month with the lowest average high temperature is July (12.6°C).

  • Average low temperature in January: 18.9°C

The month with the highest average low temperature is January (18.9°C).
The coldest month (with the lowest average low temperature) is July (6.2°C).

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Average pressure in January
Bahía Blanca, Argentina

Average pressure in January - Bahía Blanca, Argentina
  • Average pressure in January: 1010.6mbar

The month with the highest atmospheric pressure is July (1017.9mbar).
The month with the lowest atmospheric pressure is December (1009.7mbar).

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Average wind speed in January
Bahía Blanca, Argentina

Average wind speed in January - Bahía Blanca, Argentina
  • Average wind speed in January: 18.7km/h

The windiest month (with the highest average wind speed) is June (19.4km/h).
The calmest months (with the lowest average wind speed) are April and May (16.7km/h).

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Average humidity in January
Bahía Blanca, Argentina

Average humidity in January - Bahía Blanca, Argentina
  • Average humidity in January: 44%

The months with the highest relative humidity are May and July (65%).
The months with the lowest relative humidity are January and December (44%).

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Average rainfall in January
Bahía Blanca, Argentina

Average rainfall in January - Bahía Blanca, Argentina
  • Average rainfall in January: 27mm

The wettest month (with the highest rainfall) is November (44mm).
The driest month (with the least rainfall) is June (12mm).

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Average rainfall days in January
Bahía Blanca, Argentina

Average rainfall days in January - Bahía Blanca, Argentina
  • Average rainfall days in January: 5.7 days

The month with the highest number of rainy days is November (7.9 days).
The month with the least rainy days is June (3.9 days).

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Average snowfall days in January
Bahía Blanca, Argentina

Average snowfall days in January - Bahía Blanca, Argentina
  • Average snowfall days in January: 0 days

The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).

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Average sea temperature in January
Bahía Blanca, Argentina

Average sea temperature in January - Bahía Blanca, Argentina
  • Average sea temperature in January: 20°C

The best months for swimming (with the highest average sea temperature) are February and March (21°C).
The coldest months (with the lowest average sea temperature) are August and September (12°C).

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Average daylight in January /
Average sunshine in January
Bahía Blanca, Argentina

Average daylight in January / Average sunshine in January - Bahía Blanca, Argentina
  • Average daylight in January: 14h and 3min

The month with the longest days is December (Average daylight: 14h and 48min).
The month with the shortest days is June (Average daylight: 9h and 30min).

  • Average sunshine in January: 10h and 2min

The month with the most sunshine is December (Average sunshine: 11h and 42min).
The month with the least sunshine is June (Average sunshine: 6h and 18min).

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Average sunshine days in January
Bahía Blanca, Argentina

Average sunshine days in January - Bahía Blanca, Argentina
  • Average sunshine days in January: 24.1 days

The month with the most sunshine days is August (26.1 days).
The month with the least sunshine days is February (20.5 days).

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Average UV index in January
Bahía Blanca, Argentina

Average UV index in January - Bahía Blanca, Argentina
  • Average UV index in January: 6

The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are June, July and September (UV index 3).

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Average cloud cover in January
Bahía Blanca, Argentina

Average cloud cover in January - Bahía Blanca, Argentina
  • Average cloud cover in January: 13

The months with the most cloud cover are May and July (Cloud cover 30).
The month with the least cloud cover is January (Cloud cover 13).

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Average visibility in January
Bahía Blanca, Argentina

Average visibility in January - Bahía Blanca, Argentina
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Bahía Blanca, Argentina

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