Bahía Blanca
Argentina
Long-term weather forecast
Long-term weather forecast

December weather forecast and Climate
Bahía Blanca, Argentina

  • The average high temperature in December: 28.9°C

The warmest month (with the highest average high temperature) is January (30.6°C).
The month with the lowest average high temperature is July (13.7°C).

  • The average low temperature in December: 14.2°C

The month with the highest average low temperature is January (15.7°C).
The coldest month (with the lowest average low temperature) is July (3°C).

  • The average humidity in December: 53%

Months with the highest relative humidity are June and July (74%).
The month with the lowest relative humidity is January (52%).

  • The average rainfall in December: 70.8mm

The wettest month (with the highest rainfall) is March (89.6mm).
The driest month (with the lowest rainfall) is June (25.5mm).

  • The average rainfall days in December: 8 days

The month with the highest number of rainy days is October (9 days).
Months with the lowest number of rainy days are June and August (5 days).

  • The average sea temperature in December: 18°C

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

  • The average daylight in December: 15h

Months with the longest days are January and December (Average daylight: 15h).
Months with shortest days are May, June and July (Average daylight: 10h).

  • The average sunshine in December: 8.6h

The month with most sunshine is January (Average sunshine: 9.7h).
The month with least sunshine is July (Average sunshine: 3.6h).

  • The average UV index in December: 11

The month with the highest UV index is January (UV index 12).
Months with the lowest UV index are June and July (UV index 2).

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