Temperature
Pleasant by day, warm at night.
78°Ftypical January high
Typical range
January climate
January in Ascension Island
St. Helena, Ascension and Tristan da Cunha
Warm coastal days and plenty of sun.
Good overall
Early to mid
Daytime high
78°F
Lows around 76°F
Rain
Very little rain
Sun
12 h/day
Air feel
Humid
Sea temp
79°F
Great for swimming
When to visit
Month-by-month fit
Best
Precipitation
Rain is infrequent in January.
3%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
11.9 hJanuary sunshine
Heat & humidity by month
Warm days, with humid periods.
100%January Heat feel
Easy airWarm airHumid airVery humid air
Hourly temperature pattern
In January, days and nights feel about the same, around 76°.
ComfortableWarmNight hours
Clear sky
Partly cloudy skies this month.
54%January Clear sky
Clear skyCloud
Wind pattern
January's typical breeze keeps the air from feeling as stagnant.
14 mphJanuary Breezy
Sea temperature
79°FJanuary sea temp
More detailIncludes daypart comfort
Typical January day
January stays around 77°F through the day and night.
Avg temp Typical range
Morning77°F
Rain3%
Cloud47%
Humid airVery high
Sun intensityModerate
Midday77°F
Rain2%
Cloud46%
Humid airVery high
Sun intensityStrong
Late afternoon77°F
Rain1%
Cloud43%
Humid airVery high
Sun intensityStrong
Early evening77°F
Rain2%
Cloud43%
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 | 78 | 76 | 0.1 | 1 | 11.9 | 79 | 79 |
| Feb | 79 | 78 | 0.3 | 2 | 11.9 | 78 | 80 |
| Mar | 81 | 79 | 0.6 | 4 | 11.9 | 77 | 82 |
| Apr | 81 | 79 | 0.7 | 4 | 11.7 | 76 | 82 |
| May | 80 | 78 | 0.3 | 3 | 11.4 | 74 | 82 |
| Jun | 78 | 77 | 0.3 | 3 | 11.2 | 72 | 80 |
| Jul | 76 | 75 | 0.4 | 3 | 11.2 | 72 | 78 |
| Aug | 75 | 74 | 0.2 | 2 | 11.3 | 75 | 77 |
| Sep | 74 | 73 | 0.1 | 0 | 11.3 | 77 | 76 |
| Oct | 74 | 73 | 0.1 | 0 | 11.4 | 78 | 76 |
| Nov | 75 | 74 | 0.0 | 0 | 11.6 | 79 | 76 |
| Dec | 76 | 75 | 0.1 | 0 | 11.8 | 79 | 77 |
Similar climates
Similar
Similar travel stylePort LouisMauritiusSimilar travel styleAntiguaAntigua and BarbudaSimilar travel stylePort DenarauFijiSimilar travel styleNassauBahamas
Want a side-by-side climate view? Compare Ascension Island with Port Louis.
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: Jul 31, 2026
Data & methodology