Climate and monthly weather forecast
Keren, Eritrea

The dominance of the subtropical desert climate, listed as BWh under the Köppen climate classification, defines the general weather pattern in Keren, Eritrea. Being located within a geographical zone known for high temperatures and low rainfall characterizes the city’s weather conditions. A considerable fluctuation in monthly average maximum and minimum temperatures, averaging from 27.6°C (81.7°F) to 34.6°C (94.3°F) and from 12.6°C (54.7°F) to 17.9°C (64.2°F), respectively, is experienced in the area.

Throughout the year, Keren experiences a spike in temperatures during May, with the mercury hitting a high of 34.6°C (94.3°F), while a reduced downfall to 27.6°C (81.7°F) occurs in August. A similar pattern is discernible on the lower side with January seeing a dip to a brisk 12.6°C (54.7°F) and a peak of 17.9°C (64.2°F) in May. Conversely, the region sees variability in rainfall, ranging from a low 1mm (0.04") in January and February, escalating to a significant 142mm (5.59") in August. An interesting pattern arises with daylight hours, as there is a gradual increase from 11.3 hours in January to a peak of 13.1 hours in June; after which it regresses back to 11.2 hours by December.

Assuming the preference for warmer days and minimal rainfall, the optimal time to visit Keren would possibly be the period from November to March. During this time, maximum temperatures stay in the range of 28.4°C (83.1°F) to 29.8°C (85.6°F) and the minimum temperatures range from 12.6°C (54.7°F) to 15°C (59°F), providing a comfortable environment for outdoor activities. Furthermore, November registers one of the least quantities of rainfall measured at 6mm (0.24"), promising dry conditions for visitors.

Visitations to Keren might be less ideal during the period from July to August. This interval characterizes the highest rainfall, reaching up to 142mm (5.59") in August, potentially spoiling outdoor activities due to potential wet conditions. Temperature values, while still being reasonably high, display a relative downswing falling to 27.6°C (81.7°F) in August.

Spring in Keren unfolds from March to May, manifesting gradually increasing temperatures and a noticeable rise in precipitation. March witnesses a moderate temperature that varies between a maximum of 31.3°C (88.3°F) and a minimum of 15.1°C (59.2°F). The climate further warms up to 33.5°C (92.3°F) in April and soars to reach 34.6°C (94.3°F) in May. Concurrently, the rainfall begins to intensify, starting from a mild 3mm (0.12") in March, escalating to 14mm (0.55") in April, and reaching a substantial 27mm (1.06") in May.

The summer season from June to August in Keren is characterized by persistently high temperatures and elevated precipitation levels. Although the temperatures slightly drop to 33.1°C (91.6°F) in June from the previous month, the region observes increased rainfall of 44mm (1.73"). In the following months, rainfall culminates to a whopping 119mm (4.69") in July and 142mm (5.59") in August, the highest throughout the year, while the temperatures mellow down to 28.9°C (84°F) and 27.6°C (81.7°F), respectively.

Autumn months in Keren from September to November exhibit a decline in both temperatures and rainfall. September sees significant rainfall of 42mm (1.65"), however, experiences warmer climate conditions ranging from 30.4°C (86.7°F) to 16.1°C (61°F). By October, rainfall decreases drastically to 11mm (0.43") while the temperature dips slightly lower with maximum and minimum temperatures being 31.4°C (88.5°F) and 15.9°C (60.6°F), respectively. By November, the rainfall lessens to 6mm (0.24"), while the temperatures descend further to 29.8°C (85.6°F) maximum and 15°C (59°F) minimum.

Keren's winter season extends from December to February, during which the region continues to exhibit reduced temperatures and low rainfall. December observes the least daylight hours of 11.2, coupled with minimum rainfall of 1mm (0.04") and temperatures ranging between 28.8°C (83.8°F) and 13.6°C (56.5°F). The temperatures carry on to drop in January, with the minimum reading dropping to 12.6°C (54.7°F) while the maximum remains steady at approximately 28.4°C (83.1°F). The rainfall continues to stay at a minimal 1mm (0.04") in February, while temperatures marginally enhance, oscillating between 29.5°C (85.1°F) maximum and 13.1°C (55.6°F) minimum.

In terms of its annual weather calendar, Keren, Eritrea embarks a year starting with relatively cold temperatures. There's a slight nip in the air during the night but the days remain pleasantly warm. This month experiences the least daylight hours. Weather in January »

As Keren proceeds to February, longer daylight hours are observed. The chill in the weather begins to recede marking the commencement of a phase gradually moving towards warmth. This month, sticking to the drier season, witnesses a nominal rise in rainfall measuring up to 1mm (0.04"). Weather in February »

The arrival of March in Keren, Eritrea comes along with a warmer and somewhat more humid climate. The daylight hours increase, hinting at the incoming summer season. Anticipate an upswing in the frequency of rainfall. With rainfall rising up to 3mm (0.12"), it starts to deviate from the previous drier months. Weather in March »

In April, Keren witnesses a significant shift in its weather with an onset of raised rainfall levels. This month marks the exit of the dry season entering a wetter spell with 14mm (0.55") of rainfall. Temperature continues on its upward journey with a little rise in minimum and maximum temperatures as compared to March. Weather in April »

Keren, in May, witnesses a surge in heat and humidity. It marks the throes of the annual highest temperatures and increased rainfall. The city soaks under an estimated 27mm (1.06") of rainfall while the temperatures peak. Consistent rise in both day to night temperature is apparent apart from prolonged daylight hours. Weather in May »

June presents Keren under the grip of sweltering heat and high humidity. The temperatures hit near peak conditions maintaining the hot weather spell. It stands out due to an amplified level of rainfall hitting 44mm (1.73") portraying considerable precipitation. Weather in June »

As Keren moves into July, there is a drastic shift towards wetter conditions. The city sees its highest rainfall level, an impressive 119mm (4.69"), marking the wettest month. Despite reducing daytime hours, sultry, humid weather percolates through the city. Weather in July »

August brings Keren, Eritrea, the zenith of the rain-soaked phase of the year. With an astounding 142mm (5.59"), it accounts as the month experiencing the maximum rainfall. The amplification in downpour doesn't affect the temperature range, which remains fairly consistent. Weather in August »

September witnesses a relieving change of weather in Keren. From the substantial rains of August, it leans towards lesser rain showers dropping to 42mm (1.65"). It is significant for retreating monsoons. Despite shortening daylight hours, consistent hot temperatures persist. Weather in September »

October introduces Keren to a sharp decline in rainfall. Enterprise a transition from the coming end of summer season to the arriving winter. This month is marked by a substantial reduction in rainfall dropping to 11mm (0.43"). A slight dip in temperature can be appreciated though the days remain comfortably warm. Weather in October »

Keren in November exhibits a shift from the wet climate to a distinctly drier setting. The city experiences a greater decline in daylight hours signaling the impending winter. The air gets moderately dryer with rainfall further reducing to 6mm (0.24"). Weather in November »

Concluding the year, December in Keren, Eritrea, is characterized by marked fall in temperatures and minimal rainfall. It signifies the official advent of the winter season. Conducing a drier atmosphere, rainfall hits an annual low of 1mm (0.04") marking it as the driest month. Weather in December »