Temperature
Cold by day, cold at night.
48°Ftypical January high
Typical range
January climate
January in Aran Islands
Ireland · Europe
Wind on exposed beaches is the main limitation.
Limited, but doable
Late
Daytime high
48°F
Lows around 44°F
Rain
Rain most days
Sun
4 h/day
Air feel
Very dry
Sea temp
50°F
Too cold for swimming
Wind
21 mph
Windy
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days. About 19 wet days, more than in most months.
61%wet-day frequency
AmountWet-day chance
Sunshine
Sunshine is limited, with cloud often dominating.
4.1 hJanuary sunshine
Heat & humidity by month
Humidity is rarely noticeable in the cool air.
Very dryJanuary Heat feel
Hourly temperature pattern
In January, afternoons feel about 33° and nights feel near 32°.
FreezingVery coldColdNight hours
Clear sky
Mostly cloudy skies this month.
25%January Clear sky
Clear skyCloud
Wind pattern
Wind can affect exposed beach comfort.
21 mphJanuary Windy
Sea temperature
50°FJanuary sea temp
More detailIncludes daypart comfort
Typical January day
January stays around 47°F through the day and night.
Avg temp Typical range
Morning46°F
Rain33%
Cloud75%
Humid airLow
Sun intensityMinimal
Midday47°F
Rain33%
Cloud75%
Humid airLow
Sun intensityMinimal
Late afternoon47°F
Rain33%
Cloud75%
Humid airLow
Sun intensityMinimal
Best windowEarly evening46°F
Rain35%
Cloud75%
Humid airLow
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 | 48 | 44 | 5.3 | 19 | 4.1 | 80 | 50 |
| Feb | 48 | 44 | 4.5 | 16 | 5.6 | 79 | 50 |
| Mar | 49 | 44 | 3.8 | 14 | 7.4 | 79 | 50 |
| Apr | 51 | 47 | 2.7 | 13 | 9.9 | 79 | 51 |
| May | 55 | 51 | 3.2 | 14 | 11.0 | 80 | 53 |
| Jun | 58 | 55 | 3.5 | 14 | 11.1 | 81 | 56 |
| Jul | 60 | 58 | 4.0 | 16 | 10.1 | 83 | 59 |
| Aug | 61 | 58 | 4.9 | 17 | 9.6 | 82 | 60 |
| Sep | 60 | 56 | 4.7 | 16 | 8.1 | 81 | 59 |
| Oct | 56 | 53 | 6.1 | 19 | 6.2 | 80 | 56 |
| Nov | 52 | 49 | 6.9 | 20 | 4.4 | 80 | 54 |
| Dec | 50 | 46 | 6.6 | 20 | 3.6 | 80 | 52 |
Similar climates
Similar
Similar travel styleAberystwythUnited KingdomSimilar travel styleAlderneyGuernseySimilar travel styleAngleseyUnited KingdomSimilar travel styleBrightonUnited Kingdom
Want a side-by-side climate view? Compare Aran Islands with Aberystwyth.
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