São Tomé Weather in January

São Tomé in January averages 29°C (84°F) during the day and 26°C (79°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in São Tomé in January

Climate statistics over the past 30 years suggest around 13 days of rain, with 145 mm (5.7 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in São Tomé in January

In January, São Tomé sees high temperatures, with highs of 29°C (84°F). Nights drop to around 26°C (79°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in São Tomé in January

You can expect a moderate amount of sunlight, with approximately 145 hours. This means a pleasant mix of sun and overcast.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for São Tomé.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit São Tomé & Príncipe, check out our São Tomé's climate page.

São Tomé Temperature in January

Min Temperature 26°C (79°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 42%  

Precipitation 145 mm (5.7 in)  

Rainy days 13 days  

Humidity 85%  

Sunshine 145 hours  

Percentage Sunshine  

Historical weather for São Tomé in January

Browse day-by-day weather records for São Tomé spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

São Tomé historical weather extremes in January

Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in São Tomé.

• The warmest day in January was on January 10, 2018, with a maximum of 38°C (100°F).
• São Tomé experienced its chilliest January day on January 10, 2014, reaching only 26°C (79°F).
• The lowest overnight temperature recorded in January was 20°C (68°F) (January 10, 2017).

What to Wear in São Tomé in January

Warm but pleasant conditions in São Tomé in January. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in São Tomé in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit São Tomé & Príncipe, check out our São Tomé's climate page.

More climate data for São Tomé

Temperature Rainfall Sunshine Humidity

See the full São Tomé climate overview or explore weather in São Tomé & Príncipe.