El SalvadorThe weather in May in La Unión
It's hot in May in La Unión with an average temperature of 34°C. Temperatures this month range from a low of 32°C to a high of 35°C. At night, you can expect temperatures between 22°C and 23°C.
Looking for sun? May isn’t a good month to be in La Unión. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for La Unión, El Salvador. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 41°C in 2023, La Unión reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 26°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 13°C to a highest value of 28°C.
Rainfall amount
In May, there is an average of 260 mm of precipitation, spread over 25 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in May for La Unión
Click on any day in May to get detailed info about the usual weather on that day in La Unión. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| La Unión | New York | |
|---|---|---|
| Average temperature | 34°C | 22°C |
| Max. temperature | 35°C | 28°C |
| Min. temperature | 22°C | -5°C |
| Total precipitation | 260 mm | 105 mm |
| Rainy days | 25 days | 14 days |
Start of May
The month of May starts in La Unión with hot temps, averaging around 35°C during the day and nights around 23°C.
Mid May
By mid-May, daytime temps stay steady at around 35°C, with nights around 23°C. There’s a high chance of precipitation during this time.
End of May
By the end of May, the average daytime temperature in La Unión is around 33°C, while nighttime temps are about 23°C. There’s a significant chance of many days with precipitation.
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
The hurricane season in La Unión runs from June to November.
Check out the climate of La Unión for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in May in La Unión, El Salvador. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in La Unión
Temperature in May in La Unión over the years
Precipitation charts
These charts show the average amount of precipitation in May in La Unión, El Salvador. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in La Unión
Total precipitation in May in La Unión over the years
Daily UV index in May in La Unión
This chart shows the average daily UV index in May in La Unión, 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.
Weather experiences in May in La Unión
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Average weather in La Unión by month
Click on a month below to see detailed weather info for La Unión. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.