Climate and monthly weather forecast
Bosso, Niger

Bosso, situated in Niger, upholds the BWh climate classification, typically denoted as a subtropical desert climate under the Köppen system. Bosso experiences significantly high annual temperatures juxtaposed with minimal levels of precipitation. Monthly average temperatures fluctuate minimally, with lows of 12.7°C (54.9°F) and highs extending up to 39.5°C (103.1°F). However, the variation in temperature is significant when it comes to daytime and nighttime temperatures. It might rise up to scorching levels during sultry summer days and fall down to relatively cool figures during the night.

When it comes to precipitation, Bosso registers very limited rainfall with the annual sum totaling 245mm (9.65"). Surprisingly, rainfall is completely absent from a significant portion of the year, spanning from December to February and again from October to November. However, a noticeable shift in weather conditions occurs during the monsoon months, specifically from June to September, with August reaching the annual peak at 119mm (4.69").

Daylight durations also exhibit a consistent pattern, varying relatively marginally between 11.3 and 12.9 hours. This amount of sunlight significantly contributes to the high daytime temperatures experienced in Bosso, culminating in the dry conditions typical of a desert climate.

Given the high temperatures and extreme conditions, choosing the ideal time to visit Bosso is paramount. The most favorable time appears to be from December to February, presenting the coolest conditions of the year. The average high temperature during this period ranges from 29.4°C (84.9°F) to 36.2°C (97.2°F), while the lowest night temperatures scale between 12.7°C (54.9°F) and 19.1°C (66.4°F). This period also corresponds to the stretch of the year with the least rainfall and is therefore arguably the best to fully enjoy Bosso without disruption from rainy weather.

On the contrary, the less-than-ideal period to visit Bosso spans from May to September. This sizzling summer period records the highest temperatures of the year, soaring from 38.2°C (100.8°F) to a blistering 39.5°C (103.1°F) during daytime. Nighttime temperatures also remain high during this period, hovering around 24.2°C (75.6°F) to 24.4°C (75.9°F). Furthermore, this interval coincides with the monsoon season when rainfall amounts are at their yearly maximums. August alone records a striking 119mm (4.69") of rainfall, substantiating the suitability of staying clear from Bosso during this phase of the year.

Springtime in Bosso intervenes from March to May and exhibits a significant uptick in temperature compared to the preceding months. High daytime temperatures escalate from 36.2°C (97.2°F) to 39.5°C (103.1°F) over this period, while the nighttime temperature also sees a notable increase from 19.1°C (66.4°F) to 24.2°C (75.6°F). Rainfall is virtually non-existent in March and April with a sudden increase to 6mm (0.24") in May, gently marking the onset of the monsoon.

Summer in Bosso graces the land from June through September and is characteristically hot and wet. Average high temperatures steadfastly remain above 35°C (95°F) while the average low temperatures hover around the mid-20s°C mark. The period from June to August witnesses the majority of Bosso's annual rainfall, peaking at 119mm (4.69") in August before reducing to 30mm (1.18") in September.

Following the heated summer, autumn, spanning from October to November, witnesses a gradual cooling trend. Daytime temperatures range between 33.4°C (92.1°F) and 36.5°C (97.7°F) while the nighttime readings drop to around 16.6°C (61.9°F) to 20.8°C (69.4°F). Accompanying the easing temperatures is a significant decrease in rainfall. Virtually no measurable rainfall is observed in these months.

Winter conditions prevail from December through February. These months come as a relief from the high temperatures prevalent all year round, with daytime highs ranging from 29.4°C (84.9°F) to 36.2°C (97.2°F) and nighttime temperatures seeing a dip to between 12.7°C (54.9°F) and 19.1°C (66.4°F). Similar to autumn, rainfall is absent in winter months, maintaining the arid climate typical of Bosso.

A quieter time of the year weather-wise, January in Bosso, Niger, unfolds with temperate and dry conditions. As the preceding month, December, it is the period of respite from the relentless heat. With temperatures ranging from 12.7°C (54.9°F) up to 29.4°C (84.9°F), it is moderately cooler than what's ahead in February. Weather in January »

In comparison to January, the weather in February takes a slightly warmer turn. The climate anticipates the oncoming spring, and starts to rev up the warmth. It exhibits a slight hike in the temperature, from 14.7°C (58.5°F) to 32.4°C (90.3°F). Weather in February »

March heralds a significantly warmer weather phase in Bosso, Niger. Precursing the summer, it embarks on the heat journey, mapping a robust increase from the February temperatures. The temperature fluctuates from 19.1°C (66.4°F) to 36.2°C (97.2°F) during this month. Weather in March »

April marks the advent of the high season in Bosso, Niger. Continual rise in temperature from March is seen, demonstrating a typical tropical heat. Temperatures during April sway from 22.3°C (72.1°F) to 38.8°C (101.8°F), making it hotter than any month so far. Weather in April »

May is the gateway to the most intense heat in Bosso, Niger. It continues the ascent from April in temperature, while rainfall increases as well. Temperatures oscillate from 24.2°C (75.6°F) to 39.5°C (103.1°F), making it the hottest month of the year. Weather in May »

June in Bosso, Niger, maintains the scorching heat witnessed in May. In terms of temperature, it only slightly backs down from the peak heat of May. With 24.4°C (75.9°F) to 38.2°C (100.8°F), it still exhibits harsh temperatures. Weather in June »

The weather in July exhibits a slight cooling trend along with noticeable precipitation in Bosso, Niger. With July's temperatures ranging from 23.7°C (74.7°F) to 35°C (95°F), a respite from the peak summer heat gets initiated. Weather in July »

August unveils the most copious rainfall and milder temperatures in Bosso, Niger. It takes a significant turn from July, stepping boldly into the rainy season. The recorded temperatures oscillate between 22.6°C (72.7°F) and 33.1°C (91.6°F), whilst the rainfall climbs to its yearly peak of 119mm (4.69"). Weather in August »

September wheathers the tail-end of the wet season in Bosso, Niger. From the peak rainfall in August, it takes a considerable dip, signaling the end of the wet season. The climate gradually paves its way back to dry conditions with temperatures ranging from 22.6°C (72.7°F) to 35.1°C (95.2°F) and a diminished rainfall of 30mm (1.18"). Weather in September »

October signifies a move back towards aridity in Bosso, Niger. The temperature curves gradually begin to elevate, making it warmer than in September. The month brings negligible precipitation of 4mm (0.16"), indicating a return to the dry spell that will last until the end of the year. Weather in October »

November accentuates the dry and hot conditions post the wet season in Bosso, Niger. As it heads towards the close of the year, it sees a rise from the October temperatures. The fluctuation in temperatures for November is marked between 16.6°C (61.9°F) and 33.4°C (92.1°F) with no sign of rainfall. Weather in November »

The weather in December closes the climatological year in Bosso, Niger, with temperature descending from November highs. It retreats to cooler conditions, creating a more temperate environment. The temperature varies from 13.1°C (55.6°F) to 30.1°C (86.2°F), and precipitation remains non-existent. Weather in December »