Santiago weather in March 2026

Q: How hot is it in Santiago in March?

Daytime temperatures usually reach 29°C in Santiago in March with high heat and humidity, falling to 21°C at night.

Q: How sunny is it in Santiago in March?

There are normally 9 hours of bright sunshine each day in Santiago in March - that's 74% of daylight hours.

Q: How warm is the sea around Santiago in March?

The average sea temperature around Santiago in March is 26°C.

Q: Does it rain in Santiago in March?

There are usually 12 days with some rain in Santiago in March and the average monthly rainfall is 53mm.

Expect daytime maximum temperatures of 30°C in Santiago, Dominican Republic in March and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 71 mm of rainfall in the month.

30
30°C max day temperature
7
7 hours of sunshine per day
10
10 days with some rainfall
18
18°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
71
71 mm of monthly rainfall
11
11+ (Extreme) UV index

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The March weather guide for Dominican Republic (Santiago) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)