Santiago Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Santiago.
Climate overview of Santiago
Santiago, Dominican Republic, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 31°C (88°F), peaking in August at 33°C (91°F) and dipping in January to 28°C (82°F).
The city receives around 857 mm (34 in) of rainfall per year. May is the wettest month and July the driest. Sunshine peaks in August, when the city sees around 8.7 hours of sunshine per day.
Santiago Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santiago — and find the best time to visit.
Monthly Temperature in Santiago
With minimal seasonal shifts, Santiago experiences a constant climate year-round. On average, daytime temperatures range from a very warm 33°C (91°F) in August to a comfortable 28°C (82°F) in January.
Nighttime temperatures range from 22°C (72°F) in August to 18°C (64°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Santiago
Generally, Santiago receives mid-range precipitation levels, with 857 mm (34 in) annually. The seasons in Santiago bring significant changes in precipitation. The wettest month, May, receives high rainfall, with an average of 118 mm (4.6 in) of precipitation. This rainfall is distributed across 13 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 46 mm (1.8 in) 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
Sunshine Hours in Santiago
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
Humidity in Santiago by Month
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
Wind Speed in Santiago
The average wind speed over the year ranges from 1 m/s (2 knots) to 3 m/s (6 knots). It is lower in November and higher in May, June, July and August. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Santiago
It's smart to plan your activities during the cooler morning hours or take advantage of the refreshing evenings. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
Frequently asked questions about the climate in Santiago
What is the best time to visit Santiago?
January, February and December typically offer the most optimal weather in Santiago. In contrast, May, June, July, August and September tend to have less optimal conditions.
What temperatures can I expect in Santiago?
Daytime highs range from 28°C (82°F) in January to 33°C (91°F) in August. Nighttime lows range from 18°C (64°F) to 22°C (72°F). Temperatures stay relatively stable year-round.
How much rain does Santiago get?
Annual rainfall is around 857 mm (34 in). May is the wettest month with 118 mm (4.6 in), while July is the driest with 46 mm (1.8 in).
How sunny is Santiago?
Santiago receives around 2,811 hours of sunshine per year. August is the sunniest month with 262 hours, while February is the cloudiest with just 202 hours. Overall, Santiago enjoys abundant sunshine.
Santiago 3-Day Forecast
Santiago 3-Day Forecast
Santiago on the map
Santiago is highlighted — select any city to see its climate.
Popular this month
Where to go in June — average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
5 Tranquil Spots in the Dominican Republic
Explore the hidden gems of the Dominican Republic, from Bahía de Las Águilas to Constanza. Discover tranquil beaches, mountains, and green landscapes.
Windsurf in Cabarete
The best travel time for Cabarete in the Dominican Republic is from January to April, June to October and December. If you like Wind Surfing than you must add the surf paradise Cabarete on your bucket list.