Temperature
Warm by day, warm at night.
81°Ftypical January high
Typical range
January climate
January in Port Antonio
Jamaica · Caribbean
Warm days and some sun. Humid air is the main drawback.
One of the best months here
Daytime high
81°F
Lows around 76°F
Rain
Frequent rain
Sun
10.5 h/day
Air feel
Humid
Sea temp
81°F
Great for swimming
When to visit
Month-by-month fit
Best
Precipitation
Rain is frequent. About 17 wet days, fewer than in most months.
55%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
10.6 hJanuary sunshine
Heat & humidity by month
Warm days, with humid periods.
91%January Heat feel
Easy airWarm airHumid airVery humid air
Hourly temperature pattern
In January, afternoons feel about 83° and nights feel near 80°.
WarmHotNight hours
Clear sky
Mostly clear skies this month.
61%January Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in January.
9 mphJanuary Light breeze
Sea temperature
81°FJanuary sea temp
More detailIncludes daypart comfort
Typical January day
January late afternoons are around 79°F, and early evening stays near 78°F.
Avg temp Typical range
Morning79°F
Feels 82°F
Rain41%
Cloud43%
Humid airVery high
Sun intensityModerate
Midday80°F
Feels 84°F
Rain44%
Cloud46%
Humid airVery high
Sun intensityStrong
Late afternoon79°F
Feels 83°F
Rain34%
Cloud40%
Humid airVery high
Sun intensityModerate
Early evening78°F
Feels 82°F
Rain21%
Cloud32%
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 | 76 | 2.5 | 17 | 10.6 | 84 | 81 |
| Feb | 80 | 75 | 2.0 | 16 | 10.9 | 84 | 81 |
| Mar | 81 | 75 | 2.6 | 18 | 11.5 | 84 | 81 |
| Apr | 82 | 77 | 2.8 | 17 | 11.9 | 84 | 82 |
| May | 84 | 78 | 5.5 | 21 | 11.3 | 85 | 83 |
| Jun | 85 | 79 | 5.1 | 20 | 11.6 | 86 | 83 |
| Jul | 86 | 80 | 4.2 | 18 | 12.0 | 84 | 84 |
| Aug | 86 | 80 | 5.2 | 20 | 11.5 | 84 | 85 |
| Sep | 86 | 80 | 6.1 | 22 | 11.1 | 85 | 85 |
| Oct | 85 | 79 | 8.2 | 25 | 10.4 | 86 | 85 |
| Nov | 83 | 78 | 5.3 | 20 | 10.0 | 85 | 84 |
| Dec | 82 | 77 | 3.6 | 19 | 10.1 | 85 | 83 |
Similar climates
Similar
Similar travel styleSt. LuciaSaint LuciaSimilar travel styleSamanaDominican RepublicSimilar travel styleHolboxMexicoSimilar travel styleSavusavuFiji
Want a side-by-side climate view? Compare Port Antonio 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