Climate and monthly weather forecastKailahun, Sierra Leone

The climate of Kailahun

Kailahun is geographically placed in the region with a predominately tropical monsoon type of climate, according to the Köppen climate classification, denoted as Am. The characteristic weather patterns in this locale are shaped by substantial humidity and high temperatures throughout the year, with notable rainfall rhythms.

Variations in temperature are modest, registering an annual high between 26.1°C (79°F) and 36.1°C (97°F) and a low from 17.6°C (63.7°F) to 22.1°C (71.8°F). Humidity levels exhibit a similar trend, hovering between 49% and 94% annually. The region experiences most rain from June to October, when monthly rainfall amounts climb from 166mm (6.54") to 319mm (12.56"). The dry season, in contrast, nearly lacks precipitation with just 8mm (0.31") to 12mm (0.47") of rainfall from January to February.

The daylight hours throughout the year moderately fluctuate, varying from 11.6 hours to 12.6 hours. The amount of sunshine, however, experiences larger swings, with December and January having up to 9.7 hours, and July and August just 3 hours per day. The UV index remains constant from 5 to 7, denoting medium to high. Cloudiness also increases concurrently with the rainfall, climaxing from July to September. The wind speed ranges from 3.3km/h (2.1mph) to 5.5km/h (3.4mph), with occasional gusts measuring up to 8.2km/h (5.1mph).

The best time to visit Kailahun

The ideal time to visit Kailahun for the most pleasant weather conditions would be in the months of January and December. During these periods, the temperature hovers from 31.4°C (88.5°F) to 33.8°C (92.8°F), with lower humidity of about 49% to 58%. The hours of sunshine also reach their annual high, from 9.7 hours to 9.8 hours per day. The minimal rainfall of 7mm (0.28") to 8mm (0.31") enables a dry and comfortable environment, making outdoor activities more enjoyable.

The worst time to visit Kailahun

The months from June to September prove to be the most challenging for visits, primarily due to the heavy rainfall, ranging from 171mm (6.73") to 319mm (12.56"). The humidity also spikes to above 84% during these months. The daytime temperature, although remaining relatively high between 26.1°C (79°F) and 29.3°C (84.7°F), is matched by significantly fewer hours of sunshine, with July and August receiving just 3 hours per day. The increased cloud coverage and reduced visibility also make these months less desirable for touring.

Spring weather in Kailahun

In Kailahun, the spring season does not follow the typical meteorological calendar, as the city has a tropical climate. Instead, the closest representative of this season would be the transitional period between the dry and rainy seasons, namely March and April. The weather during this epoch sees temperature highs between 34.8°C (94.6°F) and 36.1°C (97°F) and lows from 19°C (66.2°F) to 21.1°C (70°F). Rainfall begins to mount, reaching 51mm (2.01") and 100mm (3.94") respectively for March and April.

Summer weather in Kailahun

The summer months, in Kailahun's tropical context, correspond to the major rainy season, from May to August. Experience the torrents of the tropical monsoons, with extreme rainfall amounts peaking from 166mm (6.54") in May all the way to 319mm (12.56") in August. The maximum average temperature slightly drops to between 26.1°C (79°F) to 32.1°C (89.8°F), though coupled with the highest humidity levels of up to 94%.

Autumn weather in Kailahun

Kailahun's period resembling autumn is the declining phase of the rainy season, falling on September and October. This time still witnesses quite a high level of rainfall, descending from 297mm (11.69") in September to 205mm (8.07") in October. The humidity equally starts to reduce, although still high at 93% and 90%, respectively.

Winter weather in Kailahun

In the absence of a typically cold winter due to Kailahun's tropical climate, November and December could be aligned with this season, marking the return of the dry and hot weather. November and December have less rainfall, clocking at 83mm (3.27") and 7mm (0.28"), respectively. The average temperature measures between 30.4°C (86.7°F) and 31.4°C (88.5°F), with relatively low humidity levels ranging from 58% to 83%. Plenty of sunshine also graces the area with 8.7 hours and 9.7 hours of daylight respectively in these months.

Weather in January

The new year in Kailahun, Sierra Leone begins with temperatures reaching a high of 33.8°C (92.8°F) and dipping to 17.6°C (63.7°F) at night. A gentle breeze playfully rustling the leaves signifies the prevailing tranquility of the month. Weather in January »

Weather in February

In comparison to January, February sees a slight increase in temperatures in Kailahun. The air carries more moisture, causing an elevation in humidity. This month has a pattern of longer daylight hours and marginally reduced sunshine. Weather in February »

Weather in March

March experiences a noticeable shift in the weather patterns with increased rainfall up to 51mm (2.01"). The city's climatic conditions turn even warmer compared to the previous months. The increase in cloud coverage is complemented by the rise in relative humidity, hinting at the start of the wet season. Weather in March »

Weather in April

April brings in the wettest month, with rainfall skyrocketing to 100mm (3.94"). However, the warmth lingers in Kailahun, albeit slightly subdued compared to the previous month. It is marked by increased cloud coverage, reducing visibility on certain days. Weather in April »

Weather in May

The damp weather continues into May, but the rainfall reaches a new high of 166mm (6.54"). Climatic conditions are characterized by a distinct chill in the atmosphere, making a stark contrast to the past warm months. Although the city experiences less sunshine, daylight hours stretch out noticeably longer. Weather in May »

Weather in June

June presents a continuation of the rainy season, nearing peak rainfall at 171mm (6.73"). The drop in both high and low temperatures offers Kailahun some respite from the preceding warmth. The less sunny days get compensated by the extended daylight hours. Weather in June »

Weather in July

July, the pinnacle of the wet season, witnesses maximum rainfall with an impressive 285mm (11.22"). The temperature reaches its lowest point, highlighting a possible correlation between rainfall and cooler climates. Characterized by overcast skies and high humidity, this month assures less sunshine. Weather in July »

Weather in August

Weather conditions in August resemble those from July, with a continuation of heavy rainfall amounting to 319mm (12.56"). This month implies a slight improvement in visibility, hinting at better weather conditions ahead. The city experiences a marginal drop in humidity, making the climate less oppressive. Weather in August »

Weather in September

Signaling the start of a transition, September sees a significant fall in rainfall, dropping to 297mm (11.69"). Though the tropical temperatures persist, the city experiences a slight decrease in cloud coverage providing clearer skies. Weather in September »

Weather in October

October's declining rainfall aligns with Kailahun's transition to the dry season with 205mm (8.07") of rain. The city begins to warm up again, gradually diminishing the chill of the passing wet season. Increased sunshine coupled with shorter days is a prime characteristic of this month. Weather in October »

Weather in November

In November, Kailahun welcomes a considerable reduction in rainfall, which dips to 83mm (3.27"), signifying the end of the wet season. A decrease in humidity goes hand in hand with the shift in weather patterns. Longer sunshine hours bring back the warmth that faded during the rainy season. Weather in November »

Weather in December

The weather in December sees a resumption of dry conditions with rainfall dropping down to just 7mm (0.28"). Kailahun embraces an uplifting spirit with abundant sunshine and longer daylight hours. A marked drop in humidity denotes a distinct dryness in the air. Weather in December »