Temperature
Cold by day, cold at night.
49°Ftypical March high
Typical range
March climate
March in Alderney
Guernsey · Europe
Cold days and some sun. Wind on exposed beaches is the main drawback.
Some tradeoffs
Daytime high
49°F
Lows around 46°F
Rain
Several rainy days
Sun
8 h/day
Air feel
Very dry
Sea temp
49°F
Too cold for swimming
Wind
18 mph
Windy
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 12 wet days this month.
39%wet-day frequency
AmountWet-day chance
Sunshine
A mix of sunshine and cloud.
8.2 hMarch sunshine
Heat & humidity by month
Humidity is rarely noticeable in the cool air.
Very dryMarch Heat feel
Hourly temperature pattern
In March, afternoons feel about 35° and nights feel near 34°.
FreezingVery coldColdCoolNight hours
Clear sky
Mostly cloudy skies this month.
34%March Clear sky
Clear skyCloud
Wind pattern
Wind can affect exposed beach comfort.
18 mphMarch Windy
Sea temperature
49°FMarch sea temp
More detailIncludes daypart comfort
Typical March day
March late afternoons are around 47°F, and early evening stays near 48°F.
Avg temp Typical range
Morning46°F
Rain20%
Cloud69%
Humid airLow
Sun intensityLow
Midday47°F
Rain16%
Cloud66%
Humid airLow
Sun intensityModerate
Late afternoon47°F
Rain16%
Cloud65%
Humid airLow
Sun intensityLow
Best windowEarly evening48°F
Rain19%
Cloud65%
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 | 49 | 45 | 4.2 | 16 | 4.7 | 78 | 50 |
| Feb | 48 | 45 | 3.1 | 14 | 6.3 | 79 | 49 |
| Mar | 49 | 46 | 2.5 | 12 | 8.2 | 80 | 49 |
| Apr | 50 | 47 | 1.9 | 9 | 10.8 | 81 | 51 |
| May | 54 | 51 | 1.8 | 9 | 11.9 | 84 | 54 |
| Jun | 58 | 55 | 1.7 | 8 | 12.8 | 86 | 58 |
| Jul | 61 | 59 | 1.5 | 8 | 12.7 | 87 | 61 |
| Aug | 63 | 60 | 2.0 | 9 | 11.4 | 85 | 64 |
| Sep | 62 | 59 | 2.2 | 9 | 9.9 | 80 | 63 |
| Oct | 59 | 56 | 4.5 | 16 | 7.2 | 79 | 60 |
| Nov | 54 | 51 | 5.4 | 18 | 5.5 | 77 | 56 |
| Dec | 51 | 47 | 5.2 | 18 | 4.5 | 78 | 53 |
Similar climates
Similar
Similar travel styleCapriItalySimilar travel styleSaint-TropezFranceSimilar travel stylePorto CervoItalySimilar travel styleAran IslandsIreland
Want a side-by-side climate view? Compare Alderney with Capri.
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