Climate and monthly weather forecast
Sarh, Chad

Sarh, located in Chad, is characterized by a tropical savanna climate, commonly termed as 'Aw' under the Köppen climate classification. This categorization arises due to the distinct annual weather cycle grandly defined by wet and dry seasons rather than four traditional seasons. As a rule, the city experiences a considerable temperature range, relatively high humidity levels, and a significant volume of annual rainfall.

Over the year, temperatures in Sarh swing from as low as 16.4°C (61.5°F) to a searing maximum of 39.1°C (102.4°F). The cooler times usually sit around January, while the heat peaks in March. April brings further warmth but also a surge in moisture, marking a humidity shift from 37% to 50%. This trend amplifies throughout summer, reaching the highest humidity level at 82% in August. Concurrently, sunshine duration dips to a minimum of approximately 5.6 hours daily in July, from a generous 8.6 hours per day in both January and February.

Rainfall in Sarh is highly seasonal, with the volume oscillating from a scant 0mm (0") in January, gradually increasing to a substantial 244mm (9.61") in August. The latter half of the year witnesses most of the city's rain, extending from May through to September. This climatic pattern is ushered in by the increasing number of rainy days, which reach up to 18 in August, against zero in the drier first quarter of the year.

When planning a visit to Sarh, the final quarter of the year - October to December - emerges as a favorite window. In these months, the weather conditions are near ideal. The city recovers from the intense summer rainfall, with precipitation decreasing to a moderate 56mm (2.2") in October and eventually to none in December. As a parallel development, the days get longer with sunshine duration extending to 7.5 hours in October and then peaking at 8.6 hours in December. While temperatures gently recede from the summer highs, they remain comfortably warm, with highs around 35.4°C (95.7°F) in December and lows at 16.4°C (61.5°F).

The period from June to September is generally less appealing for travelers due to a combination of unfavorable weather conditions. During these months, Sarh is engulfed by its wet season, with heavy rainfall, topping at a significant 244mm (9.61") in August. The number of rainy days reaches its peak in August, significantly hampering outdoor activities. The humidity level climbs to an oppressive 82%, and temperatures hover around uncomfortably warm ranges, with highs reaching 38.5°C (101.3°F) in June.

In Sarh's tropical savanna climate, the traditional spring season from March to May signifies a transition from the dry to the wet period. High temperatures dominate this period, with a maximum reaching 39.1°C (102.4°F) in March and 36.2°C (97.2°F) by May. Relative humidity begins to build up, rising from 37% in March to 61% in May. Along with this, the rainfall also begins to make its presence felt, increasing from 10mm (0.39") in March to a substantial 82mm (3.23") by May's end.

Summer, from June to August, engulfs Sarh in its wet season with continuous rainfall and high humidity. This period marks the peak of the wet season, with rainfall reaching 244mm (9.61") in August. Simultaneously, the number of rainy days swells to 18 in August, with an accompanying surge in humidity reaching a stifling 82%. Despite this, temperatures remain high, with highs shifting between 38.5°C (101.3°F) to 30.6°C (87.1°F).

Autumn, from September to November, is marked by a gradual retreat of the rainy season in Sarh. Rainfall decreases from 166mm (6.54") in September to just 3mm (0.12") by November. Concurrently, the number of rainy days decreases from 16 in September to a solitary day in November. This reduction is also reflected in the humidity levels, which drop from 80% to 57%. Despite these transitions, temperatures remain fairly constant, with highs varying between 35.5°C (95.9°F) and 33.6°C (92.5°F).

The months of December through to February form the dry season or winter period in Sarh. This period experiences scanty rainfall, with zero millimeters of precipitation in December and January. Correspondingly, the number of rainy days reduces to zero in these months. Temperature-wise this period is mild, with highs declining from 35.4°C (95.7°F) in December to 35.8°C (96.4°F) in February. Days are longer with 8.6 hours of sunshine in both December and February, draped in a relatively low humidity level, ranging between 42% and 33%.

The weather in January in Sarh, Chad, exhibits a stark contrast to the intense heat later in the year. The temperatures fluctuating from 16.5°C (61.7°F) to 35.8°C (96.4°F) provide a mildly pleasant climate. While rainfall is virtually negligible, the substantial amount of sunshine fosters the vibrant energy the city is known for. Weather in January »

Transiting into February, the weather displays a gradual climb in temperature. The days grow in length matched with incremental increases in sunshine. Rain scarcity continues to prevail however the city springs into bloom. Humidity starts accelerating, preparing for the city's impending rainy season. Weather in February »

Weather changes rather distinctly in March as Sarh welcomes spring. With temperatures soaring from 22.6°C (72.7°F) to 39.1°C (102.4°F), the city radiates heat. Describing this month as anything shy of hot would be a gross understatement. Weather in March »

April ushers in the onset of the rain in Sarh. Notably, rainfall jumps from 10mm (0.39") in the previous month to 37mm (1.46"). A blend of relatively high humidity and increasing daylight hours combine to create a sauna-like atmosphere. Weather in April »

As the calendar turns to May, the city of Sarh in Chad steps into the peak of its transition season. With the highest rainfall of the year at 82mm (3.23"), it symbolizes the full swing of the wet season. The temperatures remain hot but are comfortably tempered by the rainfall. Weather in May »

The nuances in the weather conditions in June illuminate the variety of Sarh's climate. Although temperatures begin to decline slightly, the humidity levels skyrocket making the atmosphere distinctly moist. The rain continues to pour often, making umbrellas more of a necessity than a supplement. Weather in June »

July stands out as the epitome of the wet season in Sarh. Rainfall peaks at the year’s maximum of 234mm (9.21"), earning Sarh its reputation as a tropical/chad climate. Despite the rains, the daytime temperatures remain heated, although less glaring than the previous months. Weather in July »

The city of Sarh continues its journey through the rainy season in August. While the temperature stays on the cooler side for the city, the humidity is palpable. Rainfall continues to drench the city but with a slight decrease from July. Weather in August »

Sarh bids farewell to the monsoon in September. Rainfall drops significantly to 166mm (6.54") from the preceding month's 244mm (9.61"). Receding rains give way to the sunshine reclaiming its prominence in the city sky. A decrease in humidity accompanies the rain slowdown, though the atmosphere remains moist. Weather in September »

October witnesses an abrupt change in Sarh's weather, marking the shift from the wet season to the dry. The return of hotter temperatures sets the tone for the remainder of the year. Rainfall diminishes, and the humidity takes a plunge, inviting crisp air into the city. Weather in October »

November brings a marked end to the rainy season in Sarh. The city experiences a steep drop in rainfall to a mere 3mm (0.12"), signifying the dawn of the dry season. Higher temperatures and a decline in humidity accentuate the city's tropical climate. Weather in November »

The year concludes in Sarh with December revealing a perfectly dry, hot weather. A complete absence of rainfall sets the tone for the dry season extending into the New Year. A slight drop in temperature does little to offset the city's warmth. Weather in December »