World → Saint Helena, Ascension and Tristan Da Cunha → Jamestown

Weather in Jamestown — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive

Now in Jamestown

☁️

+20°

Overcast

Feels like +19° · humidity 70%

Today 28.7: +23° / +18°

🕐 21:25

Wind

15 km/h

UV index

Air (AQI)

35 · Good

Precipitation

Humidity

70%

Pressure

1020 hPa

Sunrise / sunset

06:48 / 18:10

Sea temperature

🌊 +22°

👕 What to wear today

Comfortable — a T-shirt, a light sweater for the evening.

Weather for an activity:

🎣 fishing 🏖️ the beach 🏃 a run 📸 a photo shoot 🚶 a walk

Detailed weather information for Jamestown

Today, 28 July, Tuesday, in Jamestown (Saint Helena, Ascension and Tristan Da Cunha): partly cloudy, moderately warm. During the day the air will warm up to +23°, at night around +18°. Due to the wind it feels like +19°. Wind up to 18 km/h. No precipitation expected, you won't need an umbrella. A T-shirt is comfortable during the day, but take a light sweater or windbreaker for the evening. The sea has warmed up to +22° — great for swimming. The sun will rise at 06:48 and set at 18:10 — daylight lasts 11 hours.

Hourly weather in Jamestown

💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Jamestown for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).

▶

Today 28.7

☁️

💧 2%

+18° +23°

Morning

☁️

+20°

Day

☁️

+23°

Evening

🌇

+22°

Night

🌙

+18°

Overcast · precipitation 2% · wind up to 18 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Tomorrow 29.7

🌦️

💧 16%

+19° +23°

Morning

☁️

+20°

Day

🌦️

+23°

Evening

🌇

+20°

Night

🌙

+19°

Drizzle · precipitation 16% · wind up to 21 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Thu 30.7

🌦️

💧 24%

+18° +21°

Morning

🌦️

+18°

Day

🌦️

+21°

Evening

🌇

+19°

Night

🌙

+18°

Drizzle · precipitation 24% · wind up to 22 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Fri 31.7

🌦️

💧 27%

+18° +22°

Morning

🌦️

+19°

Day

🌦️

+22°

Evening

🌇

+21°

Night

🌙

+18°

Drizzle · precipitation 27% · wind up to 22 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sat 1.8

🌦️

💧 31%

+18° +22°

Morning

🌦️

+19°

Day

🌦️

+22°

Evening

🌇

+21°

Night

🌙

+18°

Drizzle · precipitation 31% · wind up to 17 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sun 2.8

☁️

💧 15%

+18° +22°

Morning

☁️

+19°

Day

☁️

+22°

Evening

🌇

+21°

Night

🌙

+18°

Overcast · precipitation 15% · wind up to 21 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Mon 3.8

☁️

💧 8%

+18° +21°

Morning

☁️

+19°

Day

☁️

+21°

Evening

🌇

+20°

Night

🌙

+18°

Overcast · precipitation 8% · wind up to 22 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Tue 4.8

🌦️

💧 35%

+18° +22°

Morning

🌦️

+19°

Day

🌦️

+22°

Evening

🌇

+21°

Night

🌙

+18°

Drizzle · precipitation 35% · wind up to 22 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Wed 5.8

🌦️

💧 45%

+18° +22°

Morning

🌦️

+19°

Day

🌦️

+22°

Evening

🌇

+21°

Night

🌙

+18°

Drizzle · precipitation 45% · wind up to 22 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Thu 6.8

🌦️

💧 23%

+17° +19°

Morning

🌦️

+18°

Day

🌦️

+19°

Evening

🌇

+19°

Night

🌙

+17°

Drizzle · precipitation 23% · wind up to 17 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Fri 7.8

🌦️

💧 21%

+17° +21°

Morning

🌦️

+18°

Day

🌦️

+21°

Evening

🌇

+20°

Night

🌙

+17°

Drizzle · precipitation 21% · wind up to 21 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sat 8.8

🌦️

💧 33%

+18° +20°

Morning

🌦️

+19°

Day

🌦️

+20°

Evening

🌇

+20°

Night

🌙

+18°

Drizzle · precipitation 33% · wind up to 29 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sun 9.8

☁️

💧 26%

+17° +21°

Morning

☁️

+18°

Day

☁️

+21°

Evening

🌇

+20°

Night

🌙

+17°

Overcast · precipitation 26% · wind up to 31 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Mon 10.8

🌤️

💧 27%

+17° +22°

Morning

🌤️

+19°

Day

🌤️

+22°

Evening

🌇

+21°

Night

🌙

+17°

Mostly clear · precipitation 27% · wind up to 26 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.

Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.

🏖️ Beach

68 / 100

for sea and sun · Good

🏊 Swimming

74 / 100

water 22° · Good

🏃 Running

76 / 100

comfort for running · Good

🧴 UV

moderate · low

☂️ Rain

unlikely · low

✨ Stars

87 / 100

evening visibility · Excellent

🧺 Laundry drying

66 / 100

will dry outside · Good

🚗 Car wash

93 / 100

no rain expected · Excellent

🌫️ Air quality

Good air

European AQI

PM2.5: 15PM10: 26O₃: 72NO₂: 0

The air is clean — you can walk and exercise outside.

🌅 Sun, moon and sea

Sunrise

06:48

Sunset

18:10

Golden hour

17:40

Daylight

11 h (+1 min vs yesterday)

Sea temperature

+22°

🌊 moderate, waves 1.7 m.

Jamestown climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.

+23°

+22°

Jan

+24°

+23°

Feb

+24°

+23°

Mar

+24°

+23°

Apr

+23°

+22°

May

+21°

Jun

+20°

Jul

+20°

+19°

Aug

+19°

Sep

+20°

+19°

Oct

+20°

+19°

Nov

+21°

+20°

Dec

swipe sideways →

Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit

Month	Day	Night	Sea	Precipitation	What to pack and what makes the month notable (events, nuances)
January	+23°	+22°	+24°	5 mm	One of the best times to visit: +23° by day, fresh nights. 🙂 a sweater for the evening. Water at +24° — great for swimming.
February	+24°	+23°	+25°	5 mm	Ideal weather: +24° daytime — neither hot nor cold. 🙂 a sweater for the evening. Water at +25° — great for swimming. Weather-wise, one of the three best months to visit.
March	+24°	+23°	+26°	8 mm	The most pleasant season: +24° by day, comfortable all day long. 😊 light summer clothing. Water at +26° — great for swimming. This is the hottest month of the year in Jamestown.
April	+24°	+23°	+25°	6 mm	One of the best times to visit: +24° by day, fresh nights. 🙂 a sweater for the evening. Water at +25° — great for swimming. Weather-wise, one of the three best months to visit.
May	+23°	+22°	+24°	6 mm	Ideal weather: +23° daytime — neither hot nor cold. 🙂 a sweater for the evening. Water at +24° — great for swimming.
June	+21°	+21°	+23°	8 mm	The most pleasant season: +21° by day, comfortable all day long. 🙂 a sweater for the evening. Water at +23° — great for swimming. The shortest daylight of the year — it gets dark early.
July	+20°	+20°	+22°	5 mm	One of the best times to visit: +20° by day, fresh nights. 🙂 a sweater for the evening. Water at +22° — great for swimming.
August	+20°	+19°	+21°	5 mm	Ideal weather: +20° daytime — neither hot nor cold. 🙂 a sweater for the evening. Sea at +21° — swimmable, refreshing.
September	+19°	+19°	+20°	4 mm	The most pleasant season: +19° by day, comfortable all day long. 🙂 a sweater for the evening. Sea at +20° — swimmable, refreshing. This is the coldest month of the year.
October	+20°	+19°	+20°	3 mm	One of the best times to visit: +20° by day, fresh nights. 🙂 a sweater for the evening. Sea at +20° — swimmable, refreshing.
November	+20°	+19°	+21°	3 mm	Ideal weather: +20° daytime — neither hot nor cold. 🙂 a sweater for the evening. Sea at +21° — swimmable, refreshing.
December	+21°	+20°	+22°	3 mm	The most pleasant season: +21° by day, comfortable all day long. 🙂 a sweater for the evening. Water at +22° — great for swimming. The longest daylight hours of the year — more time for everything.

When to visit Jamestown

✅ Recommended time to visit

🌟 Best time: February, March, April

Daytime air+24…+24°

Sea temperature+25…+26°

Precipitationalmost none

Why: comfortable +24…+24° by day, little rain, warm sea (+25…26°).

⚠️ Doable, with caveats

🌤️ Shoulder season: January, May, June, July, November, December

Daytime air+20…+23°

Sea temperature+21…+24°

Precipitationalmost none

Why: cool (+20…+23°) — not beach season, but great for city sights and museums.

🔴 Not the best time

🌤️ Shoulder season: August, September, October

Daytime air+19…+20°

Sea temperature+20…+21°

Precipitationalmost none

Bottom line: the best time to visit Jamestown is February – April, and the most comfortable months are February, March, April. The toughest months to visit are August, September, October: cool and damp.