NBO Weather

Visitors intending to reach the official website should visit kaa.go.ke

Nairobi Jomo Kenyatta International Airport (JKIA), located in Nairobi, Kenya, experiences a diverse range of weather conditions throughout the year. Here’s a detailed guide on the typical weather patterns and what to expect when traveling to or from JKIA.

General NBO Climate

Nairobi has a subtropical highland climate, characterized by moderate temperatures year-round due to its elevation. The city and its surroundings, including JKIA, enjoy a mix of warm days and cooler nights, with distinct wet and dry seasons.

Temperature

  • Daytime: Temperatures at JKIA generally range from 20°C to 25°C (68°F to 77°F) during the day.
  • Nighttime: Night temperatures can drop to around 13°C to 16°C (55°F to 61°F), especially during the cooler months of June and July.

Below is a graph depicting the average monthly temperatures at Jomo Kenyatta International Airport (JKIA) throughout the year. The data shows a variation in temperatures from January to December, with the hottest months being February and March and the coolest month being July.

Average Monthly Temperatures at JKIA
Average Monthly Temperatures at JKIA

Summary:

  • January: 24.5°C
  • February: 25.0°C
  • March: 24.5°C
  • April: 23.0°C
  • May: 21.5°C
  • June: 20.0°C
  • July: 19.5°C
  • August: 20.0°C
  • September: 21.0°C
  • October: 22.5°C
  • November: 22.5°C
  • December: 23.5°C

The temperatures are relatively mild throughout the year, with the coolest period occurring in the middle of the year and warmer temperatures at the beginning and end of the year.

Wind Conditions at NBO

Winds at JKIA are typically light to moderate, with speeds varying between 4 to 10 knots. The direction of the wind can vary, but it often comes from the north-east or south-east. These conditions are generally favorable for flight operations, with minimal disruptions due to strong winds.

Here’s a graph showing the average monthly wind speed at JKIA throughout the year. The data indicates a relatively stable wind speed ranging between 6.5 to 8 knots, with slight variations across different months.

Average Monthly Wind Speed at JKIA
Average Monthly Wind Speed at JKIA

Visibility at NBO Airport

Visibility at JKIA is usually excellent, often reaching up to 10 kilometers or more. This high visibility is advantageous for both takeoffs and landings, contributing to the airport’s efficient operations.

Below is a graph showing the average monthly visibility at Jomo Kenyatta International Airport (JKIA) throughout the year. The visibility remains consistently high, around 10,000 meters, indicating generally clear conditions throughout the year. This stability in visibility is conducive to smooth flight operations at the airport

Average Monthly Visibility at JKIA Throughout the Year
Average Monthly Visibility at JKIA Throughout the Year

Rainfall

Nairobi experiences two main rainy seasons:

  • Long Rains: From March to May
  • Short Rains: From October to December

During these periods, the airport can experience increased rainfall, but it generally does not significantly affect flight schedules. April is typically the wettest month, with precipitation levels peaking.

Here’s a graph showing the average monthly rainfall at Jomo Kenyatta International Airport (JKIA) throughout the year. The data highlights the higher rainfall periods, particularly in the months of March, April, and November, which correspond to the long and short rainy seasons in Nairobi. ​​

Average Monthly Rainfall at JKIA
Average Monthly Rainfall at JKIA

Seasonal Weather Patterns in Nairobi

  • Dry Season (June to September): This period is characterized by cooler temperatures and minimal rainfall, making it an ideal time for travel.
  • Wet Season (March to May, October to December): Expect higher humidity and more frequent rain showers. Despite the rain, JKIA remains operational, with well-maintained runways and drainage systems to handle the precipitation.

Monthly Averages

  • July and August: Best months to visit with average daytime temperatures around 23°C (73°F) and nighttime temperatures dropping to about 13°C (55°F).
  • April and November: These months receive the highest rainfall, around 172.51 mm, which might lead to brief delays in flight schedules.

Current Weather Data at NBO

On July 2, 2024, the weather at JKIA was partly cloudy with temperatures around 24°C (75°F) and wind speeds of 7 knots from the south-east. Visibility was excellent at 10 kilometers, and no significant weather disruptions were noted.

How to Dress for JKIA Weather Throughout the Year

Nairobi Jomo Kenyatta International Airport (JKIA) experiences a mild and moderate climate, thanks to its location near the equator. However, temperature and weather conditions can vary throughout the year. Here is an expert guide on how to dress for each month to ensure comfort upon arrival:

January to March

Weather Overview: These months are typically warm and dry. Daytime temperatures range from 25°C to 28°C (77°F to 82°F), and it cools down to about 13°C to 15°C (55°F to 59°F) at night.

Dressing Tips:

  • Daytime: Lightweight, breathable clothing such as cotton shirts, t-shirts, and shorts or light trousers.
  • Evening: A light jacket or sweater for the cooler evenings.
  • Accessories: Sunglasses, a hat, and sunscreen to protect against the sun.

April to June

Weather Overview: This period marks the long rainy season. Temperatures range from 23°C to 26°C (73°F to 79°F) during the day and 13°C to 15°C (55°F to 59°F) at night. Rain showers are frequent, especially in the afternoons.

Dressing Tips:

  • Daytime: Light but waterproof clothing, such as rain jackets or ponchos. Avoid heavy fabrics that take a long time to dry.
  • Evening: A light sweater or jacket, considering the cooler temperatures.
  • Accessories: Waterproof shoes or boots, an umbrella, and a rain hat.

July to September

Weather Overview: These are the coolest months, often referred to as Nairobi’s winter. Daytime temperatures hover around 20°C to 23°C (68°F to 73°F), while nighttime temperatures can drop to 10°C to 12°C (50°F to 54°F).

Dressing Tips:

  • Daytime: Layers are key. Light to medium-weight clothing, such as long-sleeve shirts and trousers, with the ability to add or remove layers as needed.
  • Evening: A warm jacket or sweater, as nights can be quite chilly.
  • Accessories: Comfortable closed shoes and a scarf for extra warmth.

October to December

Weather Overview: This period includes the short rainy season. Temperatures range from 23°C to 26°C (73°F to 79°F) during the day and 13°C to 15°C (55°F to 59°F) at night, with occasional rain showers.

Dressing Tips:

  • Daytime: Lightweight clothing that dries quickly, like cotton or synthetic blends. A light waterproof jacket is advisable.
  • Evening: A light to medium-weight sweater or jacket.
  • Accessories: Waterproof footwear, an umbrella, and a hat for rainy days.

General Tips for All Seasons

  • Layering: Nairobi’s weather can be unpredictable, so dressing in layers allows you to adjust to sudden changes in temperature.
  • Comfort: Choose comfortable, breathable fabrics that allow you to move easily and stay cool or warm as needed.
  • Footwear: Comfortable walking shoes are essential, especially if you plan to explore the city upon arrival.
  • Sun Protection: Despite varying temperatures, Nairobi often has strong sunlight, so sun protection is necessary year-round.

By following this guide, you can ensure a comfortable and pleasant experience at JKIA, regardless of the time of year.