Merlo Weather in March

What's the weather like in Merlo (San Luis) in March 2025?

The climate in Merlo during March can be summarized as warm and a little damp.

March is in the fall / autumn in Merlo and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (81°F), whilst at night 14°C (58°F) is normal.

Merlo weather averages (imperial / metric)
Daytime temperature 27.1°C 80.8°F
Nightly temperature 14.3°C 57.7°F
Average temperature 20.7°C 69.3°F
Daily sunshine 8.1 hrs
Avg rainfall 86 mm 3.4 ins
Rainy days 9 days
Sea temperature 19.6°C 67.3°F
Humidity 68%
Windspeed 9.7kph 6 mph

On average March is the 5th wettest month of the year in Merlo with around 86mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.1 hours of sunshine per day.

March temperatures in Merlo

Merlo average temperature in March

March rainfall

Merlo average rain in March

March hourly sunshine

Merlo average rain in March

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Merlo in March 2024.

Other monthly averages

Best places to visit in March

UV index Best time to go?

Merlo weather stats

Merlo weather statistics
Hottest month: January 30.4°C 86.7°F
Driest month: July 11mm 0.4ins
Sunniest month: February 9.6hrs
Coldest month: July 16.7°C 62.1°F
Wettest month: December 120mm 4.7ins
Map showing location of Merlo (-32.34288, -65.01396) Merlo map pin © Google

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