San Salvador
El Salvador
Long-term weather forecast
Long-term weather forecast

May 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
The last month of the spring, May, is another tropical month in San Salvador, El Salvador, with average temperature ranging between max 30.8°C (87.4°F) and min 20°C (68°F).

Temperature

In May, the average high-temperature is relatively the same as in April - a still tropical 30.8°C (87.4°F). The average low-temperature, in San Salvador, is 20°C (68°F).

Rainfall

In San Salvador, El Salvador, in May, it is raining for 13 days, with typically 152mm (6") of accumulated precipitation. Throughout the year, in San Salvador, there are 123 rainfall days, and 1734mm (68.3") of precipitation is accumulated.

Daylight

The average length of the day in May is 12.8h.

Sunshine

The average sunshine is 7.1h.

UV index

Months with the highest UV index in San Salvador, El Salvador, are February through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an extreme health hazard from the exposure to the Sun's UV rays for ordinary individuals.
In May, the average maximum UV index of 12 translate into the following recommendations:
Take all required precautions, as unprotected skin and eyes can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise.

What is the temperature in May in San Salvador?

In San Salvador, in May, the average high-temperature is 30.8°C (87.4°F), and the average low-temperature is 20°C (68°F).

How many days does it rain in May in San Salvador?

In San Salvador, El Salvador, during May, the rain falls for 13 days and regularly aggregates up to 152mm (6") of precipitation.

How many hours of daylight does San Salvador have in May?

The average length of the day in May in San Salvador is 12.8h.

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

In San Salvador, El Salvador, the average sunshine in May is 7.1h.

What are the months with the highest UV index in San Salvador?

February through September, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index intensity in May in San Salvador?

The average daily maximum UV index in May in San Salvador is 12. A UV Index estimate of 11, and higher, represents an extreme health vulnerability from unprotected exposure to the UV radiation.
Average temperature in May - San Salvador, El Salvador
  • Average high temperature in May: 30.8°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 May: 20°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 May - San Salvador, El Salvador
  • Average rainfall in May: 152mm

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

Average rainfall days in May - San Salvador, El Salvador
  • Average rainfall days in May: 13 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 May / Average sunshine in May - San Salvador, El Salvador
  • Average daylight in May: 12.8h

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 May: 7.1h

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 May - San Salvador, El Salvador
  • Average UV index in May: 12

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).