Climate of Niger

Last updated: April 14, 2025

Niger's climate is characterized by extreme temperatures and varied precipitation patterns that significantly influence its landscape and lifestyle. In Agadez, temperatures can drop to a chilly 3°C (37°F) in January and soar to scorching 46°C (116°F) in May, showcasing the region's drastic seasonal shifts. While the north experiences arid conditions, with Zinder recording virtually no rain in January, the southern areas, like Dosso, witness a striking contrast with maximum rainfall reaching 167 mm (6.6 in) in August. Humidity levels also fluctuate, from a mere 8% in February to a humid 83% in September, creating a diverse climatic tapestry across the country. Understanding these climatic variations is essential for both residents and visitors navigating the rich landscapes of Niger.

Niger Climate Zones

Niger is characterized by diverse climate zones, predominantly classified under the Köppen-Geiger climate classes. In the northern regions, such as Agadez and Diffa, the climate is primarily BWh, indicating a hot desert environment marked by low rainfall. Moving southward, areas like Dosso, Maradi, and Niamey experience a BSh climate, featuring a semi-arid atmosphere with slightly more precipitation. Tahoua and Tillabéri present a blend of BSh and BWh climates, illustrating transitional characteristics. Lastly, the regions of Zinder showcase both BSh and BWh classifications, mirroring the overall climatic variability experienced throughout Niger. Understanding these classifications provides insight into the ecological and agricultural potentials of the nation.

Köppen-Geiger Climate Classification of Niger
Climate ZoneDescription
AwTropical savanna climate with a dry season occurring in winter.
BShHot semi-arid climate with low rainfall and high temperatures.
BWhHot desert climate with extremely low rainfall and high temperatures.

Niger Temperature by Month

Niger's temperatures exhibit a striking contrast throughout the months, shifting dramatically from the cooler dry season to the sweltering heat of the summer. In January, the mercury dips as low as 3°C (37°F) in Agadez, while peaking at an intense 40°C (104°F) in Dosso. As February unfolds, temperatures remain similarly chilly at night but begin to warm, reaching 40°C (105°F) in Tillabéri. March sees a gradual rise, with maximums soaring to 43°C (110°F) in Tahoua and minimums climbing to 9°C (49°F). By April, the heat intensifies, peaking at 45°C (114°F) in Tahoua, while May marks the transition into the hottest months, where Agadez records its maximum temperatures of 46°C (116°F). The sweltering conditions continue through June and July, maintaining high maximums while minimums hover around 21°C (70°F) in Zinder. As August approaches, temperatures slightly drop, yet still reach 45°C (113°F) in Agadez. Following this peak, September to November witnesses a gradual cooldown, with minimums dropping to 8°C (46°F) in November and maximums stabilizing around 41°C (106°F) in Tillabéri. Finally, December ushers in winter chill once more, with minimums at 4°C (40°F) and a maximum of 38°C (101°F) in Dosso, illustrating the dramatic seasonal fluctuations that shape Niger's climate.

Monthly Temperatures in Niger

The chart illustrates Niger's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec687283909696939092898071
Data source: Niger temperature data aggregated from multiple country locations, generated using Copernicus Climate Change Service information.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

Precipitation Patterns in Niger

Precipitation patterns in Niger exhibit significant variability throughout the year, highlighting the impact of seasonal changes. January sees the driest conditions, with Zinder recording a complete lack of rainfall at 0 mm, while August emerges as the wettest month, particularly in Dosso, where precipitation peaks at an impressive 167 mm. This month also witnesses the highest number of rainy days, with Dosso experiencing up to 17 days of precipitation, indicating a critical transition into the wetter season. In contrast, October stands out in Agadez as one of the driest months, with no recorded rainfall, demonstrating the stark differences in climate across the region. These trends highlight the challenges and adaptations necessary for life in Niger's diverse climatic landscape.

Precipitation Trends in Niger

The chart illustrates Niger's yearly temperature patterns, showing data aggregated from various locations across the region, highlighting seasonal variations and monthly temperature changes.
JanFebMarAprMayJunJulAugSepOctNovDec00001511444100
Data source: Niger precipitation data aggregated from multiple country locations, generated using Copernicus Climate Change Service information.
Choose your preferred precipitation unit

Niger Humidity

Niger experiences a notable variation in humidity throughout the year, with levels dipping as low as 8% in February, particularly in Dosso. This dry period contrasts sharply with the peak humidity in September, when it can soar to a staggering 83% in the same region. Such trends highlight a seasonal rhythm, where the scorching dry months give way to a more humid climate as the rainy season approaches, significantly impacting both agricultural practices and daily life in the area.

Average Humidity in Niger

Niger's Average Monthly Humidity Levels: This chart highlights Niger's humidity fluctuations throughout the year, making it easy to compare seasonal trends. See how humidity varies month by month and understand Niger's climate patterns.
JanFebMarAprMayJunJulAugSepOctNovDec21%17%13%12%19%37%39%44%41%29%22%24%
Data source: Humidity data for Niger generated using information from the Copernicus Climate Change Service.

Niger UV Index Trends

Niger experiences notably high ultraviolet (UV) radiation levels throughout the year, with a marked increase in April and August. In Agadez, the average daily maximum UV Index (UVI) reaches an intense 13 during April, highlighting the burgeoning risks of sun exposure as the climate warms. Conversely, the UVI climbs even higher in August in Tillabéri, peaking at an average daily maximum of 14. This upward trend in UV levels signals the need for heightened awareness and protective measures during these peak months, as the sun's intensity becomes increasingly relentless across the country.

Maximum UV Index Levels in Niger

The chart shows the monthly maximum UV Index (UVI) in Niger, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec911121312121113111198
Data source: Niger UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Sunshine Duration in Niger

Niger boasts an impressive amount of sunshine throughout the year, with notable variations across its regions. For instance, in January, Agadez enjoys 259 hours of sunshine, while Niamey basks in an even sunnier 268 hours. As the year progresses into May, Diffa shines at a dazzling 350 hours, showcasing the peak of its sunlight availability. The trend continues into the summer months, with Tahoua leading the sunshine tally with a remarkable 356 hours in July. This pattern highlights a clear increase in solar exposure as the year advances, making Niger a haven for sun-seekers and outdoor enthusiasts alike.

Monthly Sunshine Duration in Niger

The Niger sunshine duration chart shows the total hours of direct sunlight in Niger each month, excluding cloudy or obstructed periods, and compares the sunshine duration across different months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec259h296h332h336h354h341h353h346h324h323h312h316h
Data source: Niger sunshine duration data aggregated from multiple country locations, generated using Copernicus Climate Change Service information.

Chance of Sun in Niger

In Niger, the contrast between the likelihood of sunny weather in different regions and months is striking. For instance, August in Dosso sees a modest 26% chance of sunshine, reflecting the country's wet season, while January in Diffa boasts a remarkable 97% likelihood of clear skies, demonstrating the arid conditions typical of the dry season. This stark variation highlights the diverse climatic conditions across Niger, emphasizing the importance of local geography and seasonal shifts in weather patterns.

Percentage of Sunny Days in Niger

The chart illustrates the percentage of sunny days in Niger throughout the year. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Niger experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec89%85%77%87%89%81%68%76%82%88%77%71%
Data source: Niger chance of sun data, generated using information from the Copernicus Climate Change Service.

Average Daylight Hours Across the Niger

Daylight hours in Agadez, Niger, exhibit a clear seasonal variation, reflecting the region's shift from winter to summer. In December, residents experience about 11 hours of daylight, allowing for a quaint, serene atmosphere typical of the cooler months. As summer approaches in June, daylight extends significantly to 13 hours, providing ample time for outdoor activities under the vibrant sun. This trend highlights how the long, sunlit days of summer not only enhance life in Agadez but also influence local customs and daily routines, making it a fascinating place where light dictates the rhythm of life.

Average Monthly Daylight Hours in Niger

This chart shows the total daylight hours Niger receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 10m11h 32m12h 2m12h 32m12h 57m13h 9m13h 2m12h 40m12h 12m11h 42m11h 16m11h 4m
Data source: Niger daylight hours, calculated by summing the hours between sunrise and sunset for each day.

Climate Breakdown by Niger Region

Agadez, Niger, experiences a hot desert climate characterized by soaring temperatures, especially from April through August, where average highs can reach up to 46°C (116°F). The dry season, lasting from January to April, sees virtually no precipitation, while brief summer rains occur in July and August, contributing to the region's humidity peaking at 44%. Despite the intense heat, nighttime temperatures can drop significantly, providing a welcome respite from the sweltering days. Visitors to this historic city should prepare for the heat and enjoy the unique climate that defines its stark beauty. For more details, check out Agadez climate.

Experience the extreme climate of Diffa, Niger, where temperatures soar in the heart of summer, with April and May often reaching a blistering 45°C (112°F). The dry season stretches from January to April, presenting a stark contrast to the monsoon months of June and August, which can see substantial rainfalls of up to 140 mm (5.5 in). Humidity levels also fluctuate dramatically, peaking at 73% in August before dropping to a parched 10% by March. This climate creates a unique environment, where survival hinges on adaptability to both the searing heat and brief rainy intervals. For a more detailed look at the weather patterns in this region, check out the Diffa climate.

The climate in Dosso, Niger is characterized by its extreme heat and seasonal rainfall. From January to March, temperatures soar, reaching highs of up to 44°C (112°F) while humidity remains low, creating a dry heat that can be intense. As the rainy season kicks in from June to August, the region transforms; August sees the most precipitation at 167 mm (6.6 in), and humidity levels climb to a steamy 81%. This transition from sweltering dry spells to the moisture-laden months shapes the unique environment of Dosso, making it a fascinating place for climate enthusiasts and travelers alike. For more detailed insights, visit Dosso climate.

Nestled in the heart of Niger, Maradi experiences a strikingly warm and arid climate, with temperatures soaring from a pleasant average of 22°C (71°F) in January to an intense 32°C (91°F) by April. As the summer months approach, the heat intensifies, peaking at a sweltering 44°C (112°F) in both April and May, while humidity begins to climb noticeably. The rainy season arrives, bringing much-needed relief, particularly in August when up to 152 mm (6.0 in) of rain can fall. Despite the heat, the charming resilience of Maradi's climate makes it a unique experience for visitors and locals alike. For more detailed insights, check out the full Maradi climate information.

Niamey, Niger experiences a hot desert climate characterized by long, scorching summers and short, mild winters. From April to June, temperatures often soar above 40°C (104°F), peaking at a sweltering 44°C (111°F) in May. While the rainy season from July to September brings a brief respite with increased humidity and monthly precipitation reaching up to 137 mm (5.4 in) in August, the rest of the year remains bone dry. Humidity levels fluctuate significantly, rising from a mere 8% in February to 77% in August, creating an intense atmosphere. For more detailed insights, refer to the Niamey climate.

Nestled in the heart of Niger, Tahoua experiences a predominantly dry and scorching climate, with temperatures soaring between 9°C (48°F) in the cooler months and reaching upwards of 45°C (114°F) during the peak of summer. The dry season stretches from January to April, showcasing virtually no rainfall, which only begins to trickle in by May, culminating with the region's heaviest precipitation in August, where it can accumulate to 127 mm (5.0 in). As humidity rises throughout the summer months, peaking at 75% in September, the heat can feel even more intense. Whether basking in the sun or anticipating the brief rains, the climate of Tahoua offers a fascinating glimpse into the challenges and beauty of life in the Sahel. For more details, visit Tahoua climate.

Located in the heart of Niger, Tillabéri experiences a predominantly hot climate, with temperatures soaring to a blistering 46°C (116°F) in May. The dry season spans from January to April, where precipitation is virtually nonexistent, with humidity levels dropping to as low as 9%. As the summer monsoon sets in, particularly in August, the region transforms as rainfall increases dramatically to 141 mm (5.6 in), bringing some respite from the heat. While temperatures remain high, humidity also climbs, peaking at 73%, making for a stifling summer. For an in-depth look at seasonal patterns and specific conditions, visit Tillabéri climate.

Zinder, Niger, basks in a hot semi-arid climate characterized by scorching summers and mild winters. From January to February, temperatures can soar, with highs reaching up to 40°C (104°F), while humidity remains low, often below 14%. As the year progresses into the rainy season from June to August, humidity levels rise dramatically, peaking at 78% in August, accompanied by significant rainfall, with August receiving 142 mm (5.6 in). Despite the heat, the cooler months of December and January offer a refreshing respite with average temperatures around 21°C (70°F). Discover more about the nuances of this fascinating climate at Zinder climate.

Summary and Key Takeaways on the Climate of the Niger

The climate of Niger showcases a remarkable contrast, with extreme temperatures and varying precipitation patterns shaping the landscape throughout the year. In Agadez, the temperature swings dramatically from a chilly 3°C (37°F) in January to a scorching 46°C (116°F) in May, illustrating the harsh conditions that define this region. Meanwhile, the rainfall tells a different story; Zinder experiences an arid January with 0 mm of rain, while Dosso sees its wettest month in August, boasting a substantial 167 mm (6.6 in). This variability is further reflected in humidity levels, which dip to a mere 8% in February, but can soar to a humid 83% in September. Overall, these trends highlight Niger's diverse climate, where the interplay of temperature and moisture creates a unique environment that is both challenging and captivating.