Weather in Jamestown in prosinec
Climate normals based on 10 years of historical data for Jamestown, Svatá Helena.
Average high
21°C
Average low
20°C
Rainfall
22 mm
7 rainy days
Sunshine
1.3h/day
Vlhkost
79%
How Hot Is Jamestown in prosinec?
Jamestown's December sits at about 20°C overall, climbing to 21°C by mid-afternoon and dropping to 20°C before dawn.
Sunshine Hours in prosinec
Long but overcast days dominate Jamestown in December: only 1.3h of direct sun.
Does It Rain In Jamestown In prosinec?
December is mostly dry in Jamestown: 22mm of rain on 7 days.
Is Jamestown Humid In prosinec?
Expect heavy, oppressive air in Jamestown — humidity peaks at 79% on average.
Wind In Jamestown In prosinec
Wind picks up in Jamestown during December — averaging 28 kph, with gustier afternoons.
Cloud Cover In Jamestown In prosinec
Heavy cloud blankets Jamestown in December — averaging 82% cover, with mostly overcast skies.
Cities With Similar Weather In prosinec
Weather in Jamestown, month by month
| Month | High / Low | Déšť | |
|---|---|---|---|
| Počasí v lednu | 23°C / 21°C | 19mm | Details → |
| Počasí v únoru | 24°C / 22°C | 20mm | Details → |
| Počasí v březnu | 24°C / 22°C | 25mm | Details → |
| Počasí v dubnu | 24°C / 22°C | 19mm | Details → |
| Počasí v květnu | 23°C / 21°C | 20mm | Details → |
| Počasí v červnu | 22°C / 20°C | 22mm | Details → |
| Počasí v červenci | 20°C / 18°C | 24mm | Details → |
| Počasí v srpnu | 20°C / 18°C | 21mm | Details → |
| Počasí v září | 19°C / 18°C | 20mm | Details → |
| Počasí v říjnu | 20°C / 18°C | 18mm | Details → |
| Počasí v listopadu | 20°C / 18°C | 15mm | Details → |
| Počasí v prosinci | 21°C / 20°C | 22mm |