Climate and monthly weather forecastSanam, Niger
Climate and monthly weather forecast
The climate of Sanam
Sanam, situated in Niger, dwells under the influence of the Subtropical Desert climate, as classified under the Köppen climate system. Its geographical location, nestled in the hot dry expanses of Africa, makes BWh the predominant climate.A remarkable trait of the weather in Sanam is the extreme temperatures experienced throughout the year, with the lowest average in January at 16.2°C (61.2°F) and the highest in May reaching a blistering 41.2°C (106.2°F). Varying significantly from 16.2°C (61.2°F) to 41.2°C (106.2°F), Sanam exhibits a substantial fluctuation in temperature. Adding to this contrast, higher temperatures of 40.9°C (105.6°F) and above are expected from April to July and again in September and October, showcasing quite a wide range.
Humidity levels change from relatively low levels during the first quarter of the year with a minimum 11% in March to its peak at 48% by August. Rainfall shows an interesting cyclic pattern, with a dry phase from December to April where rainfall is nearly non-existent, followed by significant rainfall during the monsoon season stretching from May to September where it peaks at 78mm (3.07") in August.
Sunlight is abundant, with sunshine hours varying subtly from 9.8 to 9.9, except for a slight dip in July and August. Days with sunlight are maximum during the drier months and dip slightly during the monsoon season. Visibility remains steady at 10km (6.2mi) throughout the year.
Wind speeds oscillate from 11.6km/h (7.2mph) to 18.4km/h (11.4mph). The windiest month in Sanam is December, with April witnessing a decline in wind speed. The winter months are also marked by an increased wind gust speed up to 30.5km/h (19mph).
The best time to visit Sanam
Considering the climatic patterns, the months between November and February are the best time to visit Sanam. During this period, the weather becomes more tolerable with average temperatures ranging from 16.2°C (61.2°F) to 31.2°C (88.2°F). These months also witness minimal rainfall, ensuring clear skies and excellent weather conditions for outdoor activities. Moreover, the relatively cool nights offer a respite from the extreme daytime heat.The worst time to visit Sanam
The period from May to October is considered the worst time to visit Sanam, due to extreme heat and monsoon conditions. This time of the year sees the temperatures soaring from 37.2°C (99°F) to 41.2°C (106.2°F), with high humidity levels accompanying the monsoon, making it challenging for visitors unused to extreme weather and oppressive heat.Spring weather in Sanam
There's hardly any spring weather in Sanam, considering its subtropical desert climate. March witnesses average high temperatures of 38.3°C (100.9°F), low humidity levels of 11%, and virtually no rainfall. Wind speeds moderate to an average of 16km/h (9.9mph) during this month. The month also observes an increase in daylight hours, offering around 12.1 hours generally.Summer weather in Sanam
The summer in Sanam, which lasts from May to September, is indeed harsh and hot, with average high temperatures consistently above 35°C (95°F), peaking at 41.2°C (106.2°F) in May. This is compounded by the monsoon, which sets in around May and lasts until September, with a high of 78mm (3.07") of rainfall in August. Despite these harsh conditions, the generous sunshine and consistent visibility prove advantageous.Autumn weather in Sanam
Similar to Spring, Autumn is hardly a season in Sanam. But during the months of October and November, there is a significant decrease in temperature, from highs of 37.8°C (100°F) in October to 31.2°C (88.2°F) by December. Rainfall also diminishes considerably, reaching zero by November, making this period a transitional phase before the cooler, drier months.Winter weather in Sanam
Winter in Sanam features much cooler weather with the lowest average temperatures of the year, ranging from 16.2°C (61.2°F) in January to 17.4°C (63.3°F) in December. Unlike typical winter scenarios, it remains dry with no rainfall and humidity levels hovering around 14 to 16%. Bright skies and consistent visibility set the stage for the best climate conditions within the year, with Sanam basking in approximately 9.9 hours of daily sunshine bathed in the winter. Winds also witness an increase, typically reaching their annual high during this season.Weather in January
Sanam, Niger begins the year with widely drastic temperature fluctuations, reaching a high of 31.3°C (88.3°F) and potentially plummeting to a low of 16.2°C (61.2°F). The relative humidity remains quite low at 14%, so one can expect the air to be much less moist than in subsequent months. Weather in January »Weather in February
February witnesses a slight rise in temperature, with the city enduring a higher temperature reaching 34.8°C (94.6°F), found it to be a bit more toasty than its predecessor. However, the skies remain mostly clear, relatively low humidity and winds, much similar to January. Weather in February »Weather in March
March in Sanam displays a considerable increase in temperature, peaking at 38.3°C (100.9°F), setting it apart from the cooler months of January and February. The day has lengthened to 12.1 hours by now, providing sunlight in abundance and heating the city significantly. Weather in March »Weather in April
Sanam reaches a yearly high in April with temperatures escalating up to 40.9°C (105.6°F). The progression from the initial months to April entails a significant hike in the city's humidity standing at 13% which is predictable considering the soaring temperatures. Weather in April »Weather in May
The weather in May shows a stark contrast from previous months with maximum temperatures at a scorching 41.2°C (106.2°F). The city starts receiving seasoned rainfall of 8mm (0.31"), further affected by raised humidity levels at 22%. Weather in May »Weather in June
June marks the onset of proper summer with temperatures reaching up to 39.8°C (103.6°F). The city witnesses an enormous jump in humidity soaring to 31%, making the heat feel more intense. Further, the high possibility of encountering rains, which becomes more persistent, brings a noticeable change to the dry atmosphere in place since the year's beginning. Weather in June »Weather in July
July signifies a slight reprieve from the escalating heat with temperature peaking at a comparatively cooler 36.9°C (98.4°F). A significant level of rainfall of 43mm (1.69") is witnessed in July, making the city a display of fresh, green surroundings. Weather in July »Weather in August
August is a period of rainy retreat in Sanam, with the maximum temperature relievingly plunging to 35°C (95°F), a break from the scorching heat. The city records the highest rainfall in the entire year, nearly 78mm (3.07"), leading to an influx of humidity. Weather in August »Weather in September
The slight increase in temperature up to 37.2°C (99°F) in September announces the retreat of the wet season. The decrease in rains to 29mm (1.14") along with a reduction in humidity to 39% marks the return to the dry weather. Weather in September »Weather in October
In October, a consistent high temperature of 37.8°C (100°F) is noted but the rains cease almost entirely, leaving only 6mm (0.24") behind. A noticeable dip in the relative humidity reveals the ultimate end of the wet season. The gradual fall in cloud cover to 7% and a lesser wind speed marks the beginning of clear skies and calm winds. Weather in October »Weather in November
Sanam in November experiences noticeably cooler temperatures, taking a dip to a maximum of 35.4°C (95.7°F), thus, beginning the transition into the winter months. Absence of rainfall throughout the month solidifies the return of the dry season, significantly lowering the humidity level. Weather in November »Weather in December
In conclusion, December marks the end of the year with comfortable temperatures, decreasing to 31.2°C (88.2°F) at the highest, and becoming coldest compared to other months. It exhibits weather conditions where there is no trace of rainfall, similar to the scenario in January. Weather in December »Updated: Jun 13, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January through March, November and December are months without rainfall.
During the entire year, Sanam aggregates up to 183mm (7.2") of precipitation.
January and December, with an average maximum UV index of 6, are months with the lowest UV index.
February through June, October through December, with an average of 9.9h of sunshine, are months with the most sunshine in Sanam.
The least humid month in Sanam is March, with an average relative humidity of 11%.
April through October are months with rainfall.
During the warmest month in Sanam, May, temperatures average a high of 41.2°C (106.2°F) and a low of 29.6°C (85.3°F).
The month with the highest UV index in Sanam is May, with an average maximum UV index of 9.
June has the longest days of the year, with an average of 13h and 0min of daylight.
With an average relative humidity of 48%, August is the most humid month.
August is the month with the most rainfall. Rain falls for 15.3 days and accumulates 78mm (3.07") of precipitation.
With an average of 9.2h of sunshine, August has the least sunshine of the year.
During the coldest month in Sanam, December, temperatures average a high of 31.2°C (88.2°F) and a low of 17.4°C (63.3°F).
With an average of 11h and 18min of daylight, December has the shortest days of the year.
Sanam does not utilize Daylight Saving Time (DST). WAT timezone is used over the entire year.
Average temperature
Sanam, Niger
The warmest month (with the highest average high temperature) is May (41.2°C).
The month with the lowest average high temperature is December (31.2°C).
The month with the highest average low temperature is June (30.4°C).
The coldest month (with the lowest average low temperature) is January (16.2°C).
Average pressure
Sanam, Niger
- Average pressure in January:
1014.1mbar - Average pressure in February:
1011.6mbar - Average pressure in March:
1009.4mbar - Average pressure in April:
1007.5mbar - Average pressure in May:
1007.5mbar - Average pressure in June:
1008.8mbar
- Average pressure in July:
1009.7mbar - Average pressure in August:
1010.2mbar - Average pressure in September:
1010mbar - Average pressure in October:
1009.6mbar - Average pressure in November:
1011.2mbar - Average pressure in December:
1014mbar
The month with the highest atmospheric pressure is January (1014.1mbar).
The months with the lowest atmospheric pressure are April and May (1007.5mbar).
Average wind speed
Sanam, Niger
- Average wind speed in January:
18.2km/h - Average wind speed in February:
17.5km/h - Average wind speed in March:
16km/h - Average wind speed in April:
13.4km/h - Average wind speed in May:
12.1km/h - Average wind speed in June:
14.7km/h
- Average wind speed in July:
16.2km/h - Average wind speed in August:
15km/h - Average wind speed in September:
11.7km/h - Average wind speed in October:
11.6km/h - Average wind speed in November:
14.9km/h - Average wind speed in December:
18.4km/h
The windiest month (with the highest average wind speed) is December (18.4km/h).
The calmest month (with the lowest average wind speed) is October (11.6km/h).
Average humidity
Sanam, Niger
The month with the highest relative humidity is August (48%).
The month with the lowest relative humidity is March (11%).
Average rainfall
Sanam, Niger
The wettest month (with the highest rainfall) is August (78mm).
The driest months (with the least rainfall) are January, February, March, November and December (0mm).
Average rainfall days
Sanam, Niger
- Average rainfall days in January:
0 days - Average rainfall days in February:
0.4 days - Average rainfall days in March:
0.4 days - Average rainfall days in April:
1.6 days - Average rainfall days in May:
3.3 days - Average rainfall days in June:
6.8 days
- Average rainfall days in July:
12.5 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
7.8 days - Average rainfall days in October:
1.6 days - Average rainfall days in November:
0 days - Average rainfall days in December:
0 days
The month with the highest number of rainy days is August (15.3 days).
The months with the least rainy days are January, November and December (0 days).
Average daylight / Average sunshine
Sanam, Niger
- Average daylight in January:
11h and 24min - Average daylight in February:
11h and 42min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 30min - Average daylight in May:
12h and 48min - Average daylight in June:
13h and 0min
- Average daylight in July:
12h and 54min - Average daylight in August:
12h and 36min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 24min - Average daylight in December:
11h and 18min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in January:
9h and 48min - Average sunshine in February:
9h and 54min - Average sunshine in March:
9h and 54min - Average sunshine in April:
9h and 54min - Average sunshine in May:
9h and 54min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
9h and 12min - Average sunshine in September:
9h and 48min - Average sunshine in October:
9h and 54min - Average sunshine in November:
9h and 54min - Average sunshine in December:
9h and 54min
The months with the most sunshine are February, March, April, May, June, October, November and December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 9h and 12min).
Average sunshine days
Sanam, Niger
- Average sunshine days in January:
31 days - Average sunshine days in February:
27.8 days - Average sunshine days in March:
30.6 days - Average sunshine days in April:
28.6 days - Average sunshine days in May:
26 days - Average sunshine days in June:
18.3 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
12.9 days - Average sunshine days in September:
19.6 days - Average sunshine days in October:
28.3 days - Average sunshine days in November:
29.9 days - Average sunshine days in December:
30.9 days
The month with the most sunshine days is January (31 days).
The month with the least sunshine days is August (12.9 days).
Average UV index
Sanam, Niger
The month with the highest UV index is May (UV index 9).
The months with the lowest UV index are January and December (UV index 6).
Average cloud cover
Sanam, Niger
The month with the most cloud cover is August (Cloud cover 26).
The month with the least cloud cover is November (Cloud cover 3).
Average visibility
Sanam, Niger
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
