Merlo Weather in December
What's the weather like in Merlo (San Luis) in December 2024?
The climate in Merlo during December can be summarized as hot and damp.
December is in the summer in Merlo and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (86°F), whilst at night 16°C (61°F) is normal.
| Daytime temperature | 30.2°C 86.3°F |
|---|---|
| Nightly temperature | 16.1°C 60.9°F |
| Average temperature | 23.1°C 73.6°F |
| Daily sunshine | 9.6 hrs |
| Avg rainfall | 120 mm 4.7 ins |
| Rainy days | 11 days |
| Sea temperature | 18.1°C 64.6°F |
| Humidity | 57% |
| Windspeed | 12.6kph 8 mph |
On average December is the wettest month of the year in Merlo with around 120mm 4.7 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.6 hours of sunshine per day.
December temperatures in Merlo
December rainfall
December hourly sunshine
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 December 2024.
Other monthly averages
Best places to visit in December
Merlo weather stats
| 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 |
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