Santiago Weather and Climate: A Comprehensive Guide
The weather in Santiago is characterized by a steady average temperature throughout the year.
It receives a moderate amount of precipitation.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
With minimal seasonal shifts, Santiago experiences a constant climate year-round. On average, daytime temperatures range from a very warm 33°C in August to a comfortable 28°C in January.
Nighttime temperatures can drop, with average lows reaching 18°C in January. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Generally, Santiago receives mid-range precipitation levels, with 857 mm annually. The seasons in Santiago, bring significant changes in precipitation. The wettest month, May, receives high rainfall, with an average of 118 mm of precipitation. This rainfall is distributed across 13 rainy days. In contrast, the driest month, July, experiences much less rainfall, totaling 46 mm over 15 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Santiago Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Santiago enjoys sunny spells year-round. August sees up to 8.7 hours of daily sunshine, perfect for a sunny trip. February, the least sunny month, still offers a generous 6.7 hours of sun despite this cloudier time of the year. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Santiago.
The city experiences its highest humidity in December, reaching 80%. In June, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Average wind speed
The average wind speed over the year ranges from 1 m/s to 3 m/s. It is lower in November and higher in May, June, July and August.
The mean monthly wind speed over the year (meters per second)
partly cloudy and no rain broken clouds and no rain partly cloudy and rainForecast for Santiago
4 m/s
4 m/s
5 m/s
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Santiago in the Dominican Republic
Other facts from our historical weather data:August has an average maximum temperature of 33°C and is the hottest month of the year.
The coolest month is January with an average maximum temperature of 28°C.
May tops the wettest month list with 118 mm of rainfall.
July is the driest month with 46 mm of precipitation.
August is the sunniest month with an average of 262 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
