30YearWeather
Johannesburg, March 31
Johannesburg street view during March
Historical Weather Analysis

Johannesburg Weather on March 31 — Best Time to Visit?

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

clear-day

22.4°C

High

12°C

Low

16%

Rain

☀️ Feels like 22.7°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

March 31 is generally a great time to visit Johannesburg. While there is a slight chance of rain (16%), showers are usually brief. Expect comfortable 22°C weather. Expect a bustling atmosphere in Johannesburg 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

Always-On[dead link], +27 11 575-2505, p...

Safety

Moderate Safety

GPI: 2.283

Johannesburg Weather Forecast for March 31

"Mild & Comfortable. Expect average highs of 22.4°C. 16% chance of rain."

What to Wear in Johannesburg in March

Based on historical data for March 31, Johannesburg typically experiences temperatures between 12°C and 22.4°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (16% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Johannesburg

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants

Average High

extreme-hot

22.4°C

Daytime Peak

Average Low

extreme-cold

12°C

Nighttime Low

Feels Like

partly-cloudy-day

22.7°C

☀️ Feels accurate

Rain Chance

rain

16%

Avg 1mm if it rains

Cloud Cover

cloudy

42%

Light drizzle

Pressure

pressure

1018.7 hPa

Low volatility

Johannesburg Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

86%Highly Predictable

Based on 10 years of data

Temperature
±2.5°CModerate
Precipitation
8-50%Unpredictable

🎯 This date historically delivers consistent weather 86% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

4.5Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

06:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 18 min to burn

Type III-IV

🟡 27 min to burn

Type V-VI

🟢 45 min to burn

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

Outdoor Comfort

How pleasant is it outside?

89Excellent
TemperatureWarm
HumidityHumid
WindLight Breeze

Dew Point

16.4°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in South Africa

Flight Traffic

High

90/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~269

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Johannesburg

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:17

☀️ Noon

12:13

🌇 Sunset

18:08

⏱️ Daylight

11h 51m

Golden Hour
Morning06:17 - 06:48
17:38 - 18:08Evening

Wind Speed

wind

14.4 km/h

Gentle breeze

Sunshine

clear-day

10.1 hrs

Direct Sun (Cloud-free)

Humidity

humidity

69%

Slightly humid

Travel Intelligence

Exclusive flight analytics & health data for Johannesburg

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 Johannesburg

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

87/100

Tourist Crowds

🟢 Moderate

50/100

Price Level

💰💰 Moderate

60/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1018.7 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
95AQI
Moderate
PM2.5 Concentration9.7 µg/m³

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

Regional Safety Profile

Medium

Seismic Activity

Moderate seismic activity. Occasional tremors possible.

Total events (30y):106
In Mar (30y):13
Last in Mar:2022-03-13
💡 Occasional tremors possible. Know your hotel's evacuation route.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Johannesburg on March 31 averages 22.4°C with a 16% precipitation probability. Wedding/Outdoor Event Score: 100/100."

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

Johannesburg Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2017
27.4°C
Coldest
2023
10.1°C
Rainiest
2018
1.5mm

Compare Other Cities

Same date (March 31) in other destinations

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📍 Is Johannesburg Worth Visiting on March 31?

Planning a trip to Johannesburg on March 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 22.4°C with a 16% historical precipitation risk.

✈️ Travel Logistics: Approximately 269 landing slots available daily during this period, indicating manageable crowd levels.

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

📊 Historical Extremes: The hottest March 31 recorded in the last 30 years saw temperatures hit 27.4°C in 2017, while the coldest dropped to 10.1°C in 2023.

Johannesburg Weather FAQ