Temperature
Pleasant by day, warm at night.
75°Ftypical December high
Typical range
December climate
December in Harbour Island
Bahamas · Caribbean
Warm coastal days and plenty of sun.
Excellent time to visit
Late
Daytime high
75°F
Lows around 73°F
Rain
Several rainy days
Sun
9 h/day
Air feel
Humid
Sea temp
78°F
Great for swimming
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days, mostly brief and on-and-off. About 8 wet days, fewer than in most months.
26%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
9.2 hDecember sunshine
Heat & humidity by month
Humidity is noticeable this month.
62%December Heat feel
Easy airWarm airHumid airVery humid air
Hourly temperature pattern
In December, days and nights feel about the same, around 71°.
ComfortableWarmHotNight hours
Clear sky
Partly cloudy skies this month.
51%December Clear sky
Clear skyCloud
Wind pattern
December's typical breeze keeps the air from feeling as stagnant.
15 mphDecember Breezy
Sea temperature
78°FDecember sea temp
More detailIncludes daypart comfort
Typical December day
December stays around 74°F through the day and night.
Avg temp Typical range
Morning74°F
Rain16%
Cloud48%
Humid airHigh
Sun intensityLow
Midday74°F
Rain16%
Cloud48%
Humid airHigh
Sun intensityModerate
Late afternoon74°F
Rain15%
Cloud49%
Humid airHigh
Sun intensityLow
Best windowEarly evening74°F
Rain15%
Cloud48%
Humid airHigh
Sun intensityMinimal
Data tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 73 | 71 | 1.9 | 8 | 9.3 | 73 | 76 |
| Feb | 74 | 71 | 1.4 | 6 | 10.1 | 74 | 75 |
| Mar | 74 | 71 | 1.6 | 6 | 10.8 | 73 | 75 |
| Apr | 76 | 73 | 1.7 | 6 | 11.5 | 75 | 76 |
| May | 78 | 76 | 3.2 | 9 | 11.6 | 79 | 79 |
| Jun | 81 | 79 | 4.0 | 15 | 11.7 | 81 | 82 |
| Jul | 83 | 80 | 3.2 | 14 | 12.3 | 80 | 84 |
| Aug | 83 | 81 | 4.1 | 17 | 11.6 | 80 | 85 |
| Sep | 83 | 80 | 5.8 | 18 | 11.0 | 80 | 85 |
| Oct | 81 | 78 | 5.4 | 16 | 9.9 | 78 | 83 |
| Nov | 78 | 75 | 2.9 | 10 | 9.4 | 74 | 80 |
| Dec | 75 | 73 | 1.9 | 8 | 9.2 | 74 | 78 |
Similar climates
Similar
Similar travel styleAnguillaAnguillaSimilar travel styleBiminiBahamasSimilar travel styleEleutheraBahamasSimilar travel styleFreeportBahamas
Want a side-by-side climate view? Compare Harbour Island with Anguilla.
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