Temperatures in December
It's hot in December in San Salvador with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 20°C and 22°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for San Salvador in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in San Salvador with hot temperatures, averaging around 31°C during the day and nights close to 21°C. You won’t see any precipitation in the first days of the month, it’s all sunny skies.
Mid-December
By mid-December, the average daytime temperature stays the same at 31°C, with nights close to 21°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of December
By the end of December, the average daytime temperature in San Salvador will be around 32°C, with nights close to 20°C. No precipitation expected, with plenty of sunshine on the horizon.
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Precipitation in December
According to weather history, there is only 7,2 mm of precipitation in December. The wind speed is around 4 Bft, mostly coming from the South.
The average chance of precipitation is only 6% in December.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for San Salvador. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
San Salvador in December |
London | ||
|---|---|---|---|
 Average Temperature |
31°C | 9°C | |
 High Temp |
32°C | 11°C | |
| Low Temp |
30°C | 8°C | |
 Total Precipitation |
7,2 mm | 67 mm | |
| Rainy Days |
2 days | 10 days | |
November
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is December a good time to visit San Salvador?
December is a great month to be in San Salvador for sunny weather. You’ll get high temperatures and not too much rain this month.
The hurricane season in San Salvador runs from June to November.
Temperature records for San Salvador in December
With 35°C, San Salvador hit the highest temperature in the last 10 years in December 2023. The lowest daytime temperature in this month was 25°C in 2017. The extreme night temperatures ranged from a low of 16°C to a high of 24°C.
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Daily Temperature in December in San Salvador
This chart shows the average daily temperatures, both day and night, for each day in December in San Salvador, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in San Salvador
The chart below shows the average daily precipitation in December for San Salvador, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 2 days of rain in San Salvador.
Daily UV Index in December in San Salvador
This chart shows the average daily UV index in December in San Salvador, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in San Salvador Over the Years
This chart shows the average temperature in December in San Salvador, measured in degrees Celsius, over the past years.
Total Precipitation in December in San Salvador Over the Years
This chart shows the average precipitation in December in San Salvador, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in December for San Salvador
Click on a specific day in December for detailed info on the typical weather on that day in San Salvador. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in San Salvador
Have you been to San Salvador in December?
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Average Weather in San Salvador by Month
Click on a month below to see detailed weather info for San Salvador. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of San Salvador for all months at once
