Johannesburg in April

In April, Johannesburg averages 21°C (70°F) during the day and 10°C (50°F) at night, with frequent rain — about 14 days of the month see precipitation (50 mm total).

High season

Conditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.

April offers comfortable temperatures in Johannesburg, with some rain to plan around.

21°C
Avg high
10°C
Avg low
14
Rain days
50 mm
Rainfall

How April compares to the rest of the year in Johannesburg

8th
warmest month of the 12
6th
wettest month of the 12
8%
of yearly rainfall falls in April
11 h 29 min
daylight on the 15th

April is in the middle of the year for warmth in Johannesburg (8th of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 1°C below the annual average (23°C). April runs 2°C cooler than March (24°C) and cools 2°C in May (20°C).

April sunrise & sunset in Johannesburg

🌅
Sunrise (15th)
6:23 AM
🌇
Sunset (15th)
5:52 PM
Day length
11 h 29 min

Times shown for Johannesburg local time (Africa/Johannesburg), calculated for the 15th of April. They shift by a few minutes day to day across the month.

Photography light in Johannesburg — April

Golden-hour and blue-hour windows for the 15th of April, in Johannesburg's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:23 AM – 6:03 AM
🌄 Golden hour (AM)
6:03 AM – 7:03 AM
🌇 Golden hour (PM)
5:12 PM – 6:12 PM
🌆 Blue hour (PM)
6:12 PM – 6:52 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Johannesburg.

📅 When to book — Johannesburg in April

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on April's tier (High season) and Johannesburg's popularity.

✈ Flights — lead time
3-4 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
3-5 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — April in Johannesburg

High season

This is a busy month in Johannesburg — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: excellent tourism weather

Sun & mosquito risk — April in Johannesburg

☀️ UV Index (noon, 15th)
9.9
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●●●○
High
Peak mosquito activity. DEET 30%+, long sleeves at dawn/dusk, sleep under nets if rural. Check current dengue/malaria advisories for the destination.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Johannesburg in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 26°C / 78°F 15°C / 58°F 120 mm 23
February 25°C / 77°F 14°C / 58°F 107 mm 21
March 24°C / 75°F 13°C / 55°F 76 mm 19
April 21°C / 70°F 10°C / 50°F 50 mm 14
May 20°C / 67°F 7°C / 45°F 16 mm 5
June 17°C / 63°F 4°C / 40°F 6 mm 3
July 17°C / 63°F 4°C / 38°F 4 mm 3
August 21°C / 69°F 7°C / 44°F 5 mm 4
September 25°C / 77°F 10°C / 50°F 12 mm 6
October 26°C / 79°F 12°C / 53°F 47 mm 13
November 26°C / 78°F 13°C / 56°F 81 mm 18
December 25°C / 78°F 15°C / 58°F 127 mm 21

Other cities with similar April weather

🌍 See the full ranked list of climate twins for Johannesburg in April →

Frequently asked questions

How hot is Johannesburg in April?

In April, Johannesburg averages a high of 21°C (70°F) and a low of 10°C (50°F) — generally mild and pleasant.

Does it rain a lot in Johannesburg in April?

April can be fairly wet in Johannesburg, with about 14 rainy days on average.

Is April a good time to visit Johannesburg?

April is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Johannesburg in April?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full April packing list for Johannesburg for a complete, climate-based checklist.

Open Johannesburg on the interactive map

Check the live 10-day forecast and sunrise/sunset.