O. R. Tambo International Airport Climate and Average Weather
Climate of O. R. Tambo International Airport: average temperatures, rainfall and seasons month by month.
Climate in O. R. Tambo International Airport month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 79° | 59° | 2,9 in | ★★★★☆ |
| February | 79° | 60° | 2,9 in | ★★★★☆ |
| March | 76° | 58° | 3,8 in | ★★★★☆ |
| April | 71° | 52° | 2,9 in | ★★★★☆ |
| May | 69° | 46° | 0,4 in | ★★★★☆ |
| June | 63° | 41° | 0,2 in | ★★★★☆ |
| July | 65° | 40° | 0,0 in | ★★★★☆ |
| August | 71° | 45° | 0,2 in | ★★★★☆ |
| September | 77° | 51° | 0,7 in | ★★★★★ |
| October | 78° | 53° | 2,1 in | ★★★★☆ |
| November | 77° | 56° | 3,4 in | ★★★★☆ |
| December | 78° | 59° | 4,0 in | ★★★★☆ |
Climate type: Mediterranean. Source: Open-Meteo archive (ERA5).
Recent extremes in O. R. Tambo International Airport
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How O. R. Tambo International Airport compares with nearby places
Annual averages, and the difference against O. R. Tambo International Airport.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Botswana | 179 mi | 70°F | +40°F warmer | 18 in |
| Kruger National Park | 255 mi | 75°F | +45°F warmer | 30 in |
| Mozambique | 269 mi | 74°F | +44°F warmer | 38 in |
Best time to visit O. R. Tambo International Airport
Go in January, February, May, August, September and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: March, April and June - expect the least comfortable mix of heat, cold or rain.
What this means for O. R. Tambo International Airport
Today is slightly warmer than average for August. The forecast high of 78°F is 6.7°F above the 71°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Southern Hemisphere, so peak summer falls in December to February.
The gap between the warmest and coldest month averages 50°F.
What to pack, what to skip
- Sunglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 66°F, so mornings feel nothing like afternoons
- If your dates are flexible, avoid March, April and June - historically the least comfortable months here.
Summary
O. R. Tambo International Airport is an airport in Johannesburg. O. R. Tambo International Airport (JNB) is a commercial airport.
Right now it is 58°F (15°C) in O. R. Tambo International Airport with clear. It feels like 51°F. Today runs from 53°F to 78°F. Chance of precipitation is 0%. Sightseeing conditions score 9.6/10 - excellent - go now.
The best time to visit O. R. Tambo International Airport is January, February, May, August, September and October. The climate is Mediterranean. March, April and June tend to be the least comfortable months. February is the warmest month with average highs near 79°F, while July is the coldest with lows near 40°F.
In plain terms. Today is slightly warmer than average for August. The forecast high of 78°F is 6.7°F above the 71°F typical for this month. The best window to be outside is roughly 9 AM to 12 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in O. R. Tambo International Airport today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about O. R. Tambo International Airport
| Type | Airport |
|---|---|
| City | Johannesburg |
| Country | South Africa |
| Continent | Africa |
| Coordinates | 26°8′21.1″S 28°14′45.6″E (-26.1392, 28.246) |
| IATA code | JNB |
| Local time | 6:19 PM (UTC+02:00) |
| Best months | January, February, May, August, September and October |
| Climate | Mediterranean |
Weather map for O. R. Tambo International Airport
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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore O. R. Tambo International Airport
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Frequently asked questions
Where is O. R. Tambo International Airport?
O. R. Tambo International Airport is an airport in Johannesburg. Its coordinates are -26.1392, 28.246. It lies in Africa.
What is the weather like in O. R. Tambo International Airport right now?
It is currently 58°F (15°C) with clear. Humidity is 29% and wind is 5 mph.
When is the best time to visit O. R. Tambo International Airport?
January, February, May, August, September and October offer the most comfortable conditions in O. R. Tambo International Airport, which has a Mediterranean climate. March, April and June are usually the hardest months for outdoor plans.
What time zone is O. R. Tambo International Airport in?
O. R. Tambo International Airport observes Africa/Johannesburg (UTC+02:00). The local time is 6:19 PM.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (airports) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 23, 2026 at 6:19 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
