Saona Island Temperature by Month
Saona Island, Greater Santo Domingo, Dominican Republic has a consistently very warm climate year-round, with daytime highs averaging 31°C (88°F). Below you'll find a full monthly breakdown and a comparison with cities worldwide.
Saona Island Monthly Temperatures
The temperature in Saona Island remains steady throughout the year, providing a consistently very warm climate. Maximum daytime temperatures range from a very warm 33°C (91°F) in July to a comfortable 29°C (84°F) in January. Nights are mild year-round, with lows ranging from 25°C (77°F) in July to 21°C (70°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Saona Island by month:
The coolest part of the day is typically between 4 AM and 6 AM, while 3 PM is usually the warmest, when solar heating is at its peak. July, the city's warmest month, averages 271 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Saona Island vs the Dominican Republic
The map below shows the annual temperature across the Dominican Republic. You can also select individual months if you want to compare a specific time of year.
very warm
warm
pleasant
moderate
cold
very cold
Saona Island vs World: Temperature Compared
Saona Island's average annual maximum temperature is 31°C (88°F). To put that in context, here's how it compares to a few well-known destinations:
Seville, Spain averages 23°C (73°F) a year — one of the warmer cities in Western Europe, with long hot summers.
Queenstown, New Zealand averages 10°C (50°F) annually — remember seasons are flipped, so its coldest months fall in June and July.
San Francisco, USA averages 19°C (66°F) annually, but with little seasonal variation — summers are often cool and foggy, winters mild.
Brisbane, Australia averages 26°C (79°F) a year, with warm winters and hot, humid summers.
What Does the Temperature Feel Like in Saona Island?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In Saona Island, January is the coolest month, with average highs of 29°C (84°F) and humidity around 83% — considered very high. In July, the warmest month, temperatures average 33°C (91°F) with 82% humidity — conditions that feel very high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Seasonal temperature shifts influence more than just how warm it feels — they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.
Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in Saona Island this rarely lasts long on the ground.
For more on Saona Island's weather — including monthly rainfall, sunshine hours, and humidity — visit our Saona Island climate page.
