San Juan
Argentina
Long-term weather forecast
Long-term weather forecast
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December weather forecast and Climate
San Juan, Argentina

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  • The average high temperature in December: 34.3°C

The warmest month (with the highest average high temperature) is January (34.6°C).
The month with the lowest average high temperature is July (16.3°C).

  • The average low temperature in December: 18.3°C

The month with the highest average low temperature is January (19.4°C).
Coldest months (with the lowest average low temperature) are June and July (1.1°C).

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  • The average humidity in December: 43%

The month with the highest relative humidity is June (65%).
The month with the lowest relative humidity is November (41%).

  • The average rainfall in December: 11.6mm

The wettest month (with the highest rainfall) is February (18.4mm).
The driest month (with the lowest rainfall) is June (1.3mm).

  • The average rainfall days in December: 3 days

Months with the highest number of rainy days are January and February (4 days).
The month with the lowest number of rainy days is June (0.6 days).

  • The average sunshine in December: 11.3h

The month with most sunshine is December (Average sunshine: 11.3h).
The month with least sunshine is June (Average sunshine: 6.9h).

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