Temperature
Warm by day, warm at night.
80°Ftypical December high
Typical range
December climate
December in Sao Tome
Sao Tome and Principe · Africa
Warm days and some sun. Humid air is the main drawback.
Some tradeoffs
Daytime high
80°F
Lows around 78°F
Rain
Rain most days
Sun
10 h/day
Air feel
Humid
Sea temp
83°F
Great for swimming
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days. About 26 wet days, the highest monthly average.
84%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
9.8 hDecember sunshine
Heat & humidity by month
Warm days, with humid periods.
98%December Heat feel
Easy airHumid airVery humid air
Hourly temperature pattern
In December, afternoons feel about 84° and nights feel near 83°.
ComfortableWarmHotNight hours
Clear sky
Mostly cloudy skies this month.
27%December Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in December.
8 mphDecember Light breeze
Sea temperature
83°FDecember sea temp
More detailIncludes daypart comfort
Typical December day
December stays around 79°F through the day and night.
Avg temp Typical range
Morning79°F
Feels 84°F
Rain49%
Cloud74%
Humid airVery high
Sun intensityModerate
Midday79°F
Feels 84°F
Rain40%
Cloud74%
Humid airVery high
Sun intensityStrong
Late afternoon79°F
Feels 84°F
Rain30%
Cloud72%
Humid airVery high
Sun intensityLow
Early evening80°F
Feels 85°F
Rain25%
Cloud71%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 81 | 78 | 5.2 | 23 | 10.2 | 82 | 83 |
| Feb | 82 | 79 | 4.5 | 19 | 10.2 | 82 | 84 |
| Mar | 82 | 79 | 5.2 | 20 | 9.7 | 81 | 85 |
| Apr | 82 | 79 | 5.2 | 18 | 9.4 | 82 | 84 |
| May | 80 | 78 | 4.7 | 17 | 9.8 | 83 | 83 |
| Jun | 77 | 76 | 0.9 | 5 | 10.3 | 83 | 79 |
| Jul | 76 | 74 | 0.3 | 2 | 10.3 | 82 | 78 |
| Aug | 76 | 74 | 0.6 | 3 | 10.2 | 83 | 78 |
| Sep | 77 | 76 | 1.9 | 8 | 10.0 | 84 | 79 |
| Oct | 79 | 77 | 6.5 | 22 | 9.9 | 84 | 81 |
| Nov | 80 | 77 | 8.5 | 25 | 9.8 | 84 | 82 |
| Dec | 80 | 78 | 7.2 | 26 | 9.8 | 83 | 83 |
Similar climates
Similar
Similar travel styleSt. LuciaSaint LuciaSimilar travel styleMooreaFrench PolynesiaSimilar travel styleBocas del ToroPanamaSimilar travel styleSavusavuFiji
Want a side-by-side climate view? Compare Sao Tome with St. Lucia.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology