Freetown, Sierra Leone – Climate and Average Weather Year Round: Comprehensive Guide

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Freetown, the capital of Sierra Leone, enjoys a tropical monsoon climate.

Characterized by hot and humid weather conditions, average temperatures in Freetown range from 74°F to 89°F throughout the year.

The hottest months typically see highs of around 88.5°F, making it crucial for travelers and residents alike to stay hydrated.

Annual weather averages indicate that this coastal city experiences varying wind speeds.

The windiest month is August, with an average speed of 7.8 miles per hour.

Conversely, November is the calmest month with wind speeds averaging only 3.9 miles per hour.

Additionally, Freetown receives about 2856 hours of sunshine annually, ensuring plenty of sunny days to enjoy.

Average Temperature In Freetown, Sierra Leone

Freetown, Sierra Leone, experiences warm temperatures year-round. The average temperature often varies monthly. Here is a breakdown of the high and low temperatures for each month:

Month High Temp (°F) Low Temp (°F)
January 89 74
February 90 74
March 90 76
April 89 76
May 86 76
June 83 75
July 81 75
August 81 75
September 82 75
October 84 75
November 86 75
December 88 74

January records high temperatures around 89°F, which drops slightly in February.

March and April temperatures peak at around 89-90°F, indicating the transition towards the wetter season starting in May.

During June, July, and August, temperatures are relatively cooler, especially in August, which is the coldest month with high temperatures about 81°F. This period is characterized by the rainy season, reducing daytime warmth.

In September and October, average high temperatures start to rise again.

By November and December, the temperature returns to a high of around 88-89°F, marking the drier season.

The overall annual temperature range in Freetown stays fairly stable, making it a warm and humid climate year-round.

Average Precipitation In Freetown, Sierra Leone

Freetown experiences significant precipitation, particularly during its wet season, which lasts several months. There is no snow, as it is a tropical climate where temperatures remain warm year-round.

Average Rainfall In Freetown, Sierra Leone

Freetown’s rainy season stretches from late May to mid-October. During this time, rainfall is frequent and heavy, peaking in August when the city averages 26.3 rainy days per month and nearly 20 inches of rainfall.

July is also a notably wet month, with similar levels of rain.

The dry season spans from November to April, with February being the driest month, seeing less than 2 inches of rain.

Monthly Rainfall Table (inches)

Month Rainfall (in)
January 0.4
February 0.2
March 0.3
April 1.5
May 4.8
June 11.6
July 20.0
August 19.8
September 15.6
October 7.3
November 1.5
December 0.6

Average Snow In Freetown, Sierra Leone

Freetown does not experience snowfall due to its tropical climate. The temperatures stay well above freezing throughout the year.

Instead, the city’s precipitation comes in the form of rain.

The concept of snow and ice, like those covered in related articles, is irrelevant to Freetown.

As a tropical city, it lacks conditions necessary for snow, and all annual precipitation is rain, measured in inches, particularly concentrated in the wet season.

Average Sun In Freetown, Sierra Leone

Freetown experiences different levels of sunshine throughout the year. The amount of daily sunlight depends on the season and cloud cover.

Average Daily Shortwave Solar Energy In Freetown, Sierra Leone

The daily shortwave solar energy varies significantly across the months.

During the dry season (November to April), Freetown receives more sunshine due to fewer clouds.

Averages for daily shortwave solar energy by month:

Month Daily Energy (kWh/m²)
January 5.5
February 5.9
March 6.2
April 5.8
May 5.2
June 4.3
July 3.2
August 3.1
September 3.8
October 4.7
November 5.4
December 5.3

The wet season (May to October) sees more cloud cover, leading to reduced hours of sunshine.

In August, the daily energy drops to its lowest, reflecting the heavy cloud cover during this peak rainy month.

Average Humidity In Freetown, Sierra Leone

Freetown has notable humidity levels throughout the year. The average humidity varies by month, influencing how comfortable the weather feels.

Monthly Humidity Levels:

Month Average Humidity (%)
January 66
February 70
March 74
April 76
May 78
June 80
July 81
August 81
September 80
October 78
November 73
December 68

August is the most humid month, with an average humidity of 81%. January has the lowest humidity at 66%.

Freetown’s high humidity can make the weather feel warmer than it actually is. Frequent precipitation also contributes to the moisture in the air.

Conditions are especially humid during the rainy season from May to October.

Residents and visitors can expect muggy days during these months. The drier season spans from October to May, offering slightly more comfortable conditions.

Average Wind In Freetown, Sierra Leone

Freetown, the capital of Sierra Leone, experiences varying wind speeds throughout the year.

The windiest month is August, with an average hourly wind speed of 7.8 miles per hour.

On the other hand, November is the calmest month with an average wind speed of 3.9 miles per hour.

Monthly Average Wind Speeds

Month Average Wind Speed (mph)
January 4.5
February 4.2
March 4.0
April 3.8
May 3.7
June 3.8
July 5.4
August 7.8
September 6.1
October 5.2
November 3.9
December 4.3

The calmest period in Freetown lasts for about 8.7 months, from September 25 to June 15.

During these months, average wind speeds are generally lower, making it a quieter time in terms of wind activity.

Wind patterns can significantly influence various factors, including weather conditions and surface movement.

Wind data can be useful for activities that depend on calm or windy weather, such as sailing or flying.

For more detailed articles on surface movement, you can refer to surface movement or learn more about wind here.

These variations in wind speed play a vital role in Freetown’s overall climate, impacting both daily life and weather forecasts.

Average Air Quality In Freetown, Sierra Leone

Freetown’s air quality varies throughout the year due to factors like industrial activities, traffic emissions, and weather conditions.

The Air Quality Index (AQI) in Freetown typically ranges from Good to Hazardous.

  • PM2.5 Levels: These fine particles are a major concern in Freetown. PM2.5 levels can climb due to pollution from vehicles and factories.
  • Weather Influence: Rainfall can temporarily clear the air, but high temperatures and humidity might keep pollutants close to the ground.

Monthly Average Air Quality Data

Month AQI Range Wind Speed (mp/h) Temperature (°F) Humidity (%)
January Moderate – Unhealthy 9.5 79 85
February Moderate – Unhealthy 9.8 80 82
March Unhealthy 9.0 82 83
April Unhealthy 8.2 83 84
May Unhealthy 7.5 82 85
June Very Unhealthy 6.2 81 87
July Very Unhealthy 5.4 80 88
August Hazardous 5.0 79 89
September Very Unhealthy 5.8 79 88
October Very Unhealthy 7.0 80 86
November Unhealthy 8.2 80 85
December Moderate – Unhealthy 9.0 79 84

Additional Factors

  • Pressure: Average atmospheric pressure is around 30 inches of mercury.
  • Temperature: Freetown’s temperature varies between 77°F to 84°F.
  • Visibility: Visibility can be reduced on days with high pollution.
  • Freetown Sea Temperature: The sea temperature around Freetown is consistent, ranging from 77°F to 82°F.

For a detailed daily update, visit IQAir for Freetown.

Topography Of Freetown, Sierra Leone

Freetown, the capital city of Sierra Leone, is located on the Atlantic coast. Its topography is a mix of coastal plains, hilly terrain, and lush vegetation.

The city is situated on a peninsula, bordered by the ocean. This provides it with scenic beaches and coastal landscapes.

Elevation in Freetown varies significantly, with some areas at sea level and others reaching higher altitudes.

Much of Freetown’s landscape features rolling hills, which offer panoramic views of the city and its surrounding waters.

The hilly terrain can cause challenges, especially during the rainy season, leading to issues like erosion and landslides.

Nearer to the coast, you will find flat plains that transition into sandy beaches.

These areas are not only beautiful but also vital for local tourism and fishing industries.

The combination of hills, coasts, and plains makes Freetown’s topography both diverse and unique.

This diverse topography results in different climate patterns across the city, impacting daily life, agriculture, and urban development.

Extreme Weather Events That Occur In Freetown, Sierra Leone

Freetown, the capital city of Sierra Leone, experiences significant extreme weather events throughout the year.

The most common events are heavy rains and floods.

The rainy season, which lasts from June to September, often leads to severe flooding.

During this period, Freetown can receive several inches of rainfall in a single day.

Rainfall by Month (in Inches)

Month Average Rainfall
June 14.8
July 22.4
August 25.1
Sept 19.0

In August 2017, Freetown faced a devastating landslide that occurred due to intense rains. This disaster caused significant damage and loss of life in the city.

Monsoon impacts also bring strong winds that exacerbate the situation. Winds can cause further damage to infrastructures, increasing the risk of landslides and flooding.

The increasing frequency and intensity of these extreme weather events are linked to climate change, which affects the region drastically.

Additionally, the heat in Freetown can be extreme.

During the dry season, temperatures often reach the high 80s to low 90s °F.

This intense heat, combined with high humidity, makes the weather uncomfortable and sometimes dangerous.

Best Time Of The Year To Visit Freetown, Sierra Leone

Freetown, Sierra Leone, experiences diverse weather conditions throughout the year.

Different seasons offer unique experiences, making some parts of the year more suitable for specific activities.

What Is Freetown, Sierra Leone Like In Spring

In spring, which includes March, April, and May, Freetown begins to transition from the dry to the wet season.

During these months, temperatures range from 80°F to 88°F. Humidity levels start to climb, signaling the impending rainy season.

March offers pleasant weather with minimal rainfall. April sees an increase in rain, though it’s still manageable for travel. May marks significant rainfall, making it less ideal for beach activities.

The increasing rains make the landscape lush and green.

Visitors should expect occasional showers even during a day filled with sunshine.

It’s a good time for those who don’t mind a bit of rain and want to experience Freetown before the peak tourist season.

What Is Freetown, Sierra Leone Like In Summer

Summer in Freetown, from June to August, is the wettest period.

June sees the beginning of heavy rains, and by July and August, the city receives substantial rainfall, with around 20 inches in August.

Temperature remains warm, generally between 78°F and 84°F, but high humidity can make it feel hotter.

The heavy rains can disrupt travel plans, as roads can become muddy and some outdoor activities are limited.

—|—|—
Month|Rainfall
—|—|—
June|12 inches
July|16 inches
August|20 inches

Despite the rain, this season sees fewer tourists, meaning less crowded attractions. It’s perfect for those looking for a quieter visit.

What Is Freetown, Sierra Leone Like In Fall

Fall, from September to November, sees a gradual reduction in rainfall.

September and October still experience significant rains, tapering off by November. Temperatures during fall range from 77°F to 88°F.

—|—|—
Month|Rainfall
—|—|—
September|15 inches
October|8 inches
November|4 inches

November is particularly pleasant, with minimal rain and cooler temperatures.

This season is ideal for visitors who enjoy exploring natural landscapes without the intense rainfall of summer.

Wildlife spotting can be rewarding as foliage is lush from the recent rains.

What Is Freetown, Sierra Leone Like In Winter

Winter, encompassing December to February, is the dry season.

It’s the best time to visit Freetown for its sunny and stable weather.

Daytime temperatures hover around 86°F to 90°F and drop to 68°F to 75°F at night.

The clear skies and warm temperatures are excellent for beach activities and sightseeing.

Rain is rare, making it easier to plan outdoor excursions.

This season sees the highest number of tourists, so it’s wise to book accommodations in advance.

The weather is nearly perfect for any type of activity, making it the most popular time to visit Freetown.

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