Santo Tomé Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Santo Tomé.
Climate overview of Santo Tomé
Temperatures in Santo Tomé, Argentina, vary greatly throughout the year. January is the hottest month at 32°C (90°F), while July is the coldest at 18°C (64°F).
The city receives considerable rainfall, with around 1193 mm (47 in) annually. March is the wettest month. It has very warm summers and pleasant winters. January is the sunniest month, averaging 9.0 hours of sunshine per day.
Santo Tomé Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santo Tomé - and find the best time to visit.
Monthly Temperature in Santo Tomé
The climate in Santo Tomé is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 32°C (90°F) in January to a pleasant 18°C (64°F) in the coolest month, July.
Nights vary from 20°C (68°F) in January to around 7°C (45°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Santo Tomé
Santo Tomé has a notably wet climate with abundant precipitation, recording 1193 mm (47 in) of rainfall per year. The climate in Santo Tomé shows significant variation throughout the year. Expect high rainfall in March, the wettest month, with an average of 141 mm (5.6 in) of precipitation over 9 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 40 mm (1.6 in) of rainfall over 5 rainy days. For more details, please visit our Santo Tomé Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Santo Tomé
For those who appreciate different seasons, Santo Tomé serves as an ideal destination. Expect longer, more sun-filled days in January with an average of 9.0 hours of sunshine daily, and embrace the darker days in June, offering only 4.4 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Santo Tomé by Month
The relative humidity is high throughout the year in Santo Tomé.
The city experiences its highest humidity in June, reaching 84%. In December, the humidity drops to its lowest level at 70%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Santo Tomé
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, August and September
- Warmest weather: January, February and December
- Most sunshine: January
- Fewer rainy days: May, June, July, August and September
- Seasonal pattern: Very warm summers and pleasant winters
Frequently asked questions about the climate in Santo Tomé
What is the best time to visit Santo Tomé?
May, August and September typically offer the most optimal weather in Santo Tomé. In contrast, January, February and December tend to have less optimal conditions. Santo Tomé has very warm summers and pleasant winters.
What temperatures can I expect in Santo Tomé?
Daytime highs range from 18°C (64°F) in July to 32°C (90°F) in January. Nighttime lows range from 7°C (45°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Santo Tomé get?
Annual rainfall is around 1193 mm (47 in). March is the wettest month with 141 mm (5.6 in), while July is the driest with 40 mm (1.6 in).
How sunny is Santo Tomé?
Santo Tomé receives around 2,396 hours of sunshine per year. January is the sunniest month with 271 hours, while June is the cloudiest with just 133 hours. Overall, Santo Tomé enjoys abundant sunshine.
Santo Tomé 3-Day Forecast
Santo Tomé 3-Day Forecast
Santo Tomé on the map
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