Climate and monthly weather forecast
Bir Moghrein, Mauritania

Bir Moghrein, located in Mauritania, is classified as a BWh or Subtropical desert according to the Köppen climate classification. Areas receiving this classification are expected to have extremely low annual precipitation and high temperatures throughout the year. Throughout the year, Bir Moghrein sees a distinct pattern in its weather, with temperature and daylight hours being the most noticeable of these variations.

The town sees its highest average temperature, around 39°C (102.2°F), twice a year, in July and August. With the lowest temperature of 12°C (53.6°F) recorded in January, Bir Moghrein shows a considerable difference in temperature range during these months. Rainfall too, ranges significantly from negligible rainfall of 0mm (0") from March to July, peaking at 13mm (0.51") in September.

The daylight hours, though relatively high all year round owing to its subtropical geographic positioning, showcase a clear annual pattern. The lengthiest daylight hours of about 13.7 hours are observed in June while the shortest daylight period of about 10.6 hours occurs in December.

The subtropical desert climate also lends itself to unique weather phenomenons. The hot months of July and August not only have the highest temperatures, but this period also records no rainfall, further increasing the arid conditions in Bir Moghrein.

For those seeking to visit Bir Moghrein, the most favourable time would be from November to February. This period sees comparatively milder temperatures, ranging from 13°C (55.4°F) to 22°C (71.6°F), making for amenable weather conditions for outdoor exploration. Additionally, daylight hours during these months range from 10.6 hours to 10.9 hours, offering ample daylight for sightseeing.

Travelers may want to avoid the time period from July to August, as this period experience the highest temperatures. At an average maximum of 39°C (102.2°F), these months can be oppressively hot. Additionally, despite the high temperatures, these months also have no rainfall, resulting in arid conditions that can be quite difficult to contend with.

Spring, from March to May, in Bir Moghrein is characterized by warming temperatures without any rainfall. The range of temperatures is from 16°C (60.8°F) to 30°C (86°F) accompanied by increasing daylight hours from 12 hours in March to 13.4 hours in May.

The summer months from June to August experience the apex of the desert climate. The temperatures start at 34°C (93.2°F) in June and peak at 39°C (102.2°F) in July and August. Rainfall remains absent during June and July but records a slight increase to 3mm (0.12") by August. Daylight is also at its peak during summer, with 13.7 hours in June tapering off slightly to 13 hours by August.

During autumn, from September to November, Bir Moghrein experiences a slight drop in temperature from 36°C (96.8°F) in September to 26°C (78.8°F) by November. With rainfall hitting the highest point in the year at 13mm (0.51") in September and dropping to 5mm (0.2") by November, this season marks the close of the annual dry spell.

Winter in Bir Moghrein, from December to February, has the coolest conditions throughout the year. The temperatures fall to the lowest average of the year from 22°C (71.6°F) in December to 12°C (53.6°F) by February. The rainfall during these months is fairly constant at about 5mm (0.2"). Despite being the coolest time of the year, daylight hours remain relatively constant, hovering around 10 hours, indicating the town's proximity to the equator.

January's climate in Bir Moghrein, Mauritania, offers a mild start to the year. A maximum temperature needs preparation for summer weather with light cotton clothing. Among the twelve months, January sees less daylight with about 10.8 hours. Weather in January »

February carries the January pattern forward with slightly increased temperatures, signaling the onset of summer in Bir Moghrein. Despite the lightweight attire required, the rainfall remains constant at 3mm (0.12"), just like the previous month. Weather in February »

In March, Bir Moghrein witnesses a clear shift from the mild winter towards the intense summer. An interesting characteristic of March weather in Mauritania is the absence of rainfall. This trend will continue into April. The near-constant increase in daylight hours and temperatures becomes prominent. Weather in March »

April in Bir Moghrein has a marked increase in average temperatures, setting up the ground for the desert's summer. With 12.8 daylight hours and equally absent rainfall, just as in March, April is a dry desert month. Transitioning from March, April weather shows a rise in both minimum and maximum temperatures. Weather in April »

May is a definitive time of the year when Mauritania's summer in Bir Moghrein finds its foothold. The temperatures are escalating, with the maximum average temperatures climbing to an alarming 30°C (86°F). Strikingly, May, along with the coming June, has the longest daylight hours of 13.4 hours. Weather in May »

June represents the height of the summer season in Bir Moghrein, Mauritania, with the highest average temperatures in the year. The longer daylight hours continue from May into June at about 13.7 hours, maximizing sun exposure. This month turns out to be a scorcher compared to May, leaving no sign of rainfall. Weather in June »

July continues to hold the mantle of intense summer along with June, with equally high temperatures. Remarkably, July records the highest average low-temperature of 25°C (77°F), offering little relief during nighttime. The climate is offset by reduced daylight hours, decreasing marginally from 13.7 hours in June to 13.5 hours in July. Weather in July »

August carries forward July's temperature extremities, becoming another month in the unrelenting summer season of Bir Moghrein. The diminishing daylight hours to 13.0 hours and a slight addition of rainfall, negligible at 3mm (0.12"), offer subtly cooler conditions than July. Weather in August »

September brings a major change in the weather of Bir Moghrein. A significant leap in rainfall is observed with 13mm (0.51"), after five months of absolutely dry conditions. Alongside the rise in rainfall, there is a steady decrease in temperatures, offering relief from the summer highs. Weather in September »

October marks the beginning of the end of the rigorous summer in Bir Moghrein, Mauritania. Notably, the average low-temperature drops from 24°C (75.2°F) in September to 21°C (69.8°F) in October, inviting a chill in the air during the evening. Weather in October »

November's climate introduces winter characteristics in the weather of Bir Moghrein. A further notable decrease in both minimum and maximum average temperatures, compared to October, emphasizes this change. Remarkably, the declining trend in rainfall continues with November recording only 5mm (0.2") compared to the previous month's 8mm (0.31"). Weather in November »

December brings the full flair of winter to Bir Moghrein, Mauritania with average high temperatures dropping down to 22°C (71.6°F). The precipitation level remains close to November's measurements at 5mm (0.2"), maintaining the cool and moist conditions. Weather in December »