January weather forecast
Bahía Blanca, Argentina

January

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

January proves to be the warmest month, recording an average peak temperature of 29.8°C (85.6°F) and a minimum temperature of 18.9°C (66°F).

Heat index

For January, the heat index is computed to be a tropical 30°C (86°F). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

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

Rainfall

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

Snowfall

January through June, August through December are months without snowfall.

Sea temperature

In Bahía Blanca, in January, the average water temperature is 20°C (68°F).
Note: Most people find swimming in 20°C (68°F) to be not enjoyable. The control of one's breathing becomes more challenging as the water temperature drops below 21°C (69.8°F).

Daylight

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

Sunshine

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

UV index

The months with the highest UV index are January through March and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In January, a daily maximum UV index of 6 leads to the following instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

What is the warmest month?
Bahía Blanca's warmest temperatures are experienced in January, with average high temperatures of 29.8°C (85.6°F) and lows of 18.9°C (66°F).
Is it hot during January?
In Bahía Blanca, 29.8°C (85.6°F) is the average high-temperature and 18.9°C (66°F) is the average low-temperature during January. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in January is computed to be 30°C (86°F).
What are the least humid months?
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, the average relative humidity in January is 44%.
How many days does it rain in January?
In Bahía Blanca, during January, the rain falls for 5.7 days and regularly aggregates up to 27mm (1.06") of precipitation.
When it does not snow?
January through June, August through December are months without snowfall.
How cold is the water in January?
In January, the average sea temperature 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).
How many hours of daylight does Bahía Blanca have in January?
In January, the average day length in Bahía Blanca is 14h and 30min.
When are sunrise and sunset in January?
On the first day of January in Bahía Blanca, 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?
The average sunshine duration in January in Bahía Blanca is 10.4h.
When is the highest UV index?
January through March and December, with an average maximum UV index of 6, are months with the highest UV index.
How high is the UV index in January in Bahía Blanca?
In Bahía Blanca, Argentina, the average daily maximum UV index in January is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
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).

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).

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).

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%).

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).

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).

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).

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).

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).

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).

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).

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).

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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