December weather forecast and climate
San Salvador, El Salvador

The sunlit San Salvador city in El Salvador set on the beautiful slopes of the mountain
The sunlit San Salvador city in El Salvador set on the beautiful slopes of the mountain
December, the first month of the winter, in San Salvador, is also a warm month, with average temperature varying between 28.6°C (83.5°F) and 15.1°C (59.2°F).

Temperature

The average high-temperature, is 28.6°C (83.5°F), while the average low-temperature is 15.1°C (59.2°F).

Rainfall

In December, in San Salvador, the rain falls for 2 days. Throughout December, 10mm (0.4") of precipitation is accumulated. In San Salvador, during the entire year, the rain falls for 123 days and collects up to 1734mm (68.3") of precipitation.

Daylight

With an average of 11.3h of daylight, December has the shortest days of the year in San Salvador.

Sunshine

In December, the average sunshine in San Salvador, El Salvador, is 9.5h.

UV index

With an average UV index of 9, December is the month with the lowest UV index.

What is the temperature in December in San Salvador?

In San Salvador, in December, the average high-temperature is 28.6°C (83.5°F), and the average low-temperature is 15.1°C (59.2°F).

How much does it rain in San Salvador in December?

In December, the rain falls for 2 days. Throughout December, 10mm (0.4") of precipitation is accumulated.

What is the month with the shortest days in San Salvador?

With an average of 11.3h of daylight, December has the shortest days of the year in San Salvador.

What is the average length of the day in December in San Salvador?

In San Salvador, El Salvador, the average length of the day in December is 11.3h.

How long on average sun shines in December in San Salvador?

In December, the average sunshine is 9.5h.

What is the month with the lowest UV index in San Salvador?

December is the month with the lowest UV index, with an average UV index of 9.

What is the UV index reading in December in San Salvador?

The average UV index in December in San Salvador, El Salvador, is 9.
Average temperature in December - San Salvador, El Salvador
  • Average high temperature in December: 28.6°C

The warmest month (with the highest average high temperature) is April (32.2°C).
The month with the lowest average high temperature is November (28°C).

  • Average low temperature in December: 15.1°C

The month with the highest average low temperature is May (20°C).
The coldest month (with the lowest average low temperature) is December (15.1°C).

Average rainfall in December - San Salvador, El Salvador
  • Average rainfall in December: 10mm

The wettest month (with the highest rainfall) is September (348mm).
The driest month (with the lowest rainfall) is February (2mm).

Average rainfall days in December - San Salvador, El Salvador
  • Average rainfall days in December: 2 days

Months with the highest number of rainy days are June, July, August and September (20 days).
Months with the lowest number of rainy days are January, February and March (1 days).

Average daylight in December / Average sunshine in December - San Salvador, El Salvador
  • Average daylight in December: 11.3h

The month with the longest days is June (Average daylight: 12.9h).
The month with shortest days is December (Average daylight: 11.3h).

  • Average sunshine in December: 9.5h

The month with most sunshine is February (Average sunshine: 9.9h).
The month with least sunshine is June (Average sunshine: 5.8h).

Average UV index in December - San Salvador, El Salvador
  • Average UV index in December: 9

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).

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