The weather in April in San Luis

It's warm in April in San Luis with an average temperature of 29°C. Temperatures this month range from a low of 28°C to a high of 30°C. At night, you can expect temperatures between 20°C and 21°C.

Looking for great weather? April is a good time to be in San Luis. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in April for San Luis, Costa Rica. 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 33°C in 2016, San Luis reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was 24°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 16°C to a highest value of 23°C.

Rainfall amount

In April, there is an average of 95 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in April for San Luis

Click on any day in April to get detailed info about the usual weather on that day in San Luis. Check out the historical temperatures and precipitation over the past 10 years on this day.

April weather comparison

  San Luis New York
Average temperature 29°C 17°C
Max. temperature 30°C 22°C
Min. temperature 20°C -5°C
Total precipitation 95 mm 81 mm
Rainy days 12 days 11 days

Start of April

The month of April starts in San Luis with hot temps, averaging around 30°C during the day and nights around 21°C.

Mid April

By mid-April, daytime temps drop to around 29°C, with nights around 21°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of April

By the end of April, the average daytime temperature in San Luis is around 29°C, while nighttime temps are about 21°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

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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.

Check out the climate of San Luis for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in April in San Luis, Costa Rica. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in April in San Luis

Temperature in April in San Luis over the years

Precipitation charts

These charts show the average amount of precipitation in April in San Luis, Costa Rica. 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 April in San Luis

Total precipitation in April in San Luis over the years

Daily UV index in April in San Luis

This chart shows the average daily UV index in April in San Luis, 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 April in San Luis

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Average weather in San Luis by month

Click on a month below to see detailed weather info for San Luis. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.