30YearWeather
Cape Town, December 31
Cape Town street view during December
Historical Weather Analysis

Cape Town Weather on December 31 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

26.2°C

High

16.5°C

Low

7%

Rain

☀️ Feels like 27°C (humidity)

clear-day
YES, IT'S PARADISE
Peak Season

December 31 is statistically one of the best days of the year in Cape Town. With minimal rain risk (7%) and pleasant highs of 26°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Cape Town right now—this is when the city truly comes alive with visitors.

Currency

ZAR

R South African rand

Language

Afrikaans

+10 more

Driving

Left side

Connect

Many carriers (especially in Europe) cha...

Safety

Moderate Safety

GPI: 2.283

Cape Town Weather Forecast for December 31

"Warm & Sunny. Expect average highs of 26.2°C. 7% chance of rain."

What to Wear in Cape Town in December

Based on historical data for December 31, Cape Town typically experiences temperatures between 16.5°C and 26.2°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (7% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Cape Town

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

26.2°C

Daytime Peak

Average Low

extreme-cold

16.5°C

Nighttime Low

Feels Like

partly-cloudy-day

27°C

☀️ Feels accurate

Rain Chance

rain

7%

Avg 0.2mm if it rains

Cloud Cover

cloudy

26%

Overcast

Pressure

pressure

1013.7 hPa

Low volatility

Cape Town Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

92%Highly Predictable

Based on 10 years of data

Temperature
±3.3°CModerate
Precipitation
4-11%Predictable

🎯 This date historically delivers consistent weather 92% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

8.2Very High
036811+

Protection Needed

SPF 50+, limit exposure 10am-4pm

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 20:00

Peak danger: 10:30 - 14:30
Time to Sunburn

Type I-II

🔴 10 min to burn

Type III-IV

🟡 15 min to burn

Type V-VI

🟢 25 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

74Good
TemperatureHot
HumidityHumid
WindWindy

Dew Point

19.6°C

Noticeable

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
13.2°C
🥶 Polar Plunge
Avg daily surface temperature
Surf Conditions
2.51m
🌊 Surfers Only
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

❄️ Cold Water Hazard

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in South Africa

Flight Traffic

High

96/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~129

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Cape Town

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:38

☀️ Noon

12:50

🌇 Sunset

20:01

⏱️ Daylight

14h 22m

Golden Hour
Morning05:38 - 06:15
19:24 - 20:01Evening

Wind Speed

wind

25.6 km/h

Moderate wind

Sunshine

clear-day

13.0 hrs

Direct Sun (Cloud-free)

Humidity

humidity

67%

Slightly humid

Travel Intelligence

Exclusive flight analytics & health data for Cape Town

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Cape Town

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

94/100

Tourist Crowds

🟡 Busy

80/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1013.7 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
51AQI
Moderate
PM2.5 Concentration25.5 µg/m³

Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Cape Town on December 31 averages 26.2°C with a 7% precipitation probability. Wedding/Outdoor Event Score: 99/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Cape Town Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2022
32.1°C
Coldest
2021
12.6°C
Rainiest
2017
1.6mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (December 31) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Cape Town Worth Visiting on December 31?

Planning a trip to Cape Town on December 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 26.2°C with a 7% historical precipitation risk.

✈️ Travel Logistics: Approximately 129 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 9 vaccinations are recommended for South Africa, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 13.2°C (polar plunge). Wave conditions are generally surfers only with heights around 2.51m.

📊 Historical Extremes: The hottest December 31 recorded in the last 30 years saw temperatures hit 32.1°C in 2022, while the coldest dropped to 12.6°C in 2021.

Cape Town Weather FAQ