Climate Insights for Bosso

, Diffa, Niger

Hottest
May
43°C peak
Coldest
January
14°C low
Wettest
August
135mm rain
Best to Visit
January, December
Mild temps & low rain

Climate Overview

The climate in Bosso is hot. The average annual temperature is 30°C and approximately 264mm of precipitation falls per year. August is the wettest month, receiving around 135mm of rainfall. Bosso is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, June. The coldest months are January, December, February, when temperatures can drop to 14°C.

Temperature

10° 20° 30° 40° 50° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 31° Average: 22° Min: 14° Feb Max: 33° Average: 25° Min: 16° Mar Max: 39° Average: 31° Min: 22° Apr Max: 42° Average: 34° Min: 26° May Max: 43° Average: 35° Min: 28° Jun Max: 40° Average: 34° Min: 28° Jul Max: 36° Average: 31° Min: 26° Aug Max: 33° Average: 29° Min: 25° Sep Max: 37° Average: 31° Min: 25° Oct Max: 39° Average: 31° Min: 24° Nov Max: 37° Average: 28° Min: 20° Dec Max: 32° Average: 24° Min: 16°
Max
Average
Min

Temperatures in Bosso vary considerably across the year, with a 29°C difference between the coldest and warmest months. May is the hottest month, with daytime highs reaching 43°C and an average of 35°C. January is the coolest month, with minimum temperatures around 14°C and an average of 22°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 6°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 0mm Feb Precipitation: 0mm Mar Precipitation: 1mm Apr Precipitation: 0mm May Precipitation: 7mm Jun Precipitation: 22mm Jul Precipitation: 54mm Aug Precipitation: 135mm Sep Precipitation: 37mm Oct Precipitation: 9mm Nov Precipitation: 0mm Dec Precipitation: 0mm
Precipitation

Bosso is a quite dry location, receiving approximately 264mm of precipitation annually, which averages out to around 22mm per month. The wettest month is August, averaging 135mm of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 0mm. That's 135mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 5km/h Feb Wind Speed: 5km/h Mar Wind Speed: 4km/h Apr Wind Speed: 4km/h May Wind Speed: 3km/h Jun Wind Speed: 4km/h Jul Wind Speed: 4km/h Aug Wind Speed: 3km/h Sep Wind Speed: 3km/h Oct Wind Speed: 4km/h Nov Wind Speed: 4km/h Dec Wind Speed: 4km/h
Wind Speed

Bosso is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

93 days until Autumn

It is currently summer in Bosso, which began on June 21, 2026. Bosso is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in May at around 43°C, while the coldest stretch bottoms out in January near 14°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.

Spring

Temperatures range from 22 to 43°C. Precipitation is minimal, with only around 8mm for the entire season. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 25 to 40°C. Precipitation is moderate at around 211mm for the season, averaging 70mm per month. Winds are generally light, averaging 4km/h. Stay hydrated, wear sun protection, and seek shade during the hottest hours of the day.

Autumn

Temperatures range from 20 to 39°C. Precipitation is minimal, with only around 46mm for the entire season. Winds are generally light, averaging 4km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 14 to 33°C. Precipitation is minimal, with only around 0mm for the entire season. Winds are generally light, averaging 5km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 22°
Feb 25°
Mar 31°
Apr 34°
May 35°
Jun 34°
Jul 31°
Aug 29°
Sep 31°
Oct 31°
Nov 28°
Dec 24°

The best time to visit Bosso is during January and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 0mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 43°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Bosso based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
14 °C
31 °C
5 km/h
0 mm
0 cm
Feb
16 °C
33 °C
5 km/h
0 mm
0 cm
Mar
22 °C
39 °C
4 km/h
1 mm
0 cm
Apr
26 °C
42 °C
4 km/h
0 mm
0 cm
May
28 °C
43 °C
3 km/h
7 mm
0 cm
Jun Current
28 °C
40 °C
4 km/h
22 mm
0 cm
Jul
26 °C
36 °C
4 km/h
54 mm
0 cm
Aug
25 °C
33 °C
3 km/h
135 mm
0 cm
Sep
25 °C
37 °C
3 km/h
37 mm
0 cm
Oct
24 °C
39 °C
4 km/h
9 mm
0 cm
Nov
20 °C
37 °C
4 km/h
0 mm
0 cm
Dec
16 °C
32 °C
4 km/h
0 mm
0 cm
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