Climate and monthly weather forecastBiltine, Chad
Climate and monthly weather forecast
The climate of Biltine
Situated in the heart of Chad, Biltine is categorized under the Köppen climate classification as BWh, which signifies a subtropical desert climate. This classification is characterized by high temperatures throughout the year and scanty rainfalls mainly in the summer months.On a monthly basis, the average high temperature starts from 33.3°C (91.9°F) in December and escalates to peak at 40.5°C (104.9°F) in April and May. The heat subsides slightly over the following months to a low of 32.2°C (90°F) in August before picking up again. On the contrary, the average low temperature stays relatively stable, swinging between 18.4°C (65.1°F) and 29.3°C (84.7°F). The low is noticed in January and the peak in June.
Humidity displays a similar pattern with higher relative humidity observed from June to August, with the maximum being 64% in August, and then it depreciates towards the year's end. Rainfall follows the same trend, the dry season prevails from December to April with no rain recorded during these months. Rainfall increases during summer months, with the highest volume of 205mm (8.07") in August. However, it also dwindles to a non-existence by November.
The best time to visit Biltine
Considering the climatic conditions in Biltine, the winter months from December to February hold the greatest appeal for visitors. During this period, the average high temperatures range between 33.3°C (91.9°F) to 36.9°C (98.4°F) with corresponding low temperatures from 18.4°C (65.1°F) to 21.1°C (70°F) providing a relatively moderate climatic ambience. In addition, the average rainfall occurs between 0mm (0") to 0mm (0"), thus offering dry days ideal for exploration and outdoor activities.The worst time to visit Biltine
The period from June to August exhibits the most unfavourable weather conditions in Biltine. During these months, average high temperatures vary from 34.8°C (94.6°F) to 38.8°C (101.8°F) and low temperatures fluctuate from 24.8°C (76.6°F) to 29.3°C (84.7°F). Coupled with these high temperatures, the monsoon makes its appearance bringing hefty rainfall, with a total average of 348mm (13.7") over these three months alone making outdoor activities less appealing.Spring weather in Biltine
From March to May, Biltine experiences spring wherein temperatures continue their upward trend, starting at 39.1°C (102.4°F) in March and peaking at 40.5°C (104.9°F) in both April and May. Average low temperatures follow a similar pattern, rising from 24°C (75.2°F) in March to 28.7°C (83.7°F) in May. Despite these high temperatures, rainfall remains scarce with only 1mm (0.04") recorded in April and 12mm (0.47") in May.Summer weather in Biltine
The summer months of June through August present the most challenging weather conditions in Biltine. Average high temperatures remain quite high, oscillating from 34.8°C (94.6°F) to 38.8°C (101.8°F). Even the average low temperatures stay significantly warm running between 24.8°C (76.6°F) to 29.3°C (84.7°F). However, these are also the wettest months, reaching an all-time high in August with 205mm (8.07") of rainfall.Autumn weather in Biltine
September to November is the autumn season in Biltine during which average high temperatures begin to descend, starting at 35.2°C (95.4°F) in September and decreasing to 33.3°C (91.9°F) in November. Similarly, average low temperatures also follow a declining trend from 26.1°C (79°F) to 18.9°C (66°F). Rainfall decreases substantially with November witnessing a dry spell with no rain being recorded.Winter weather in Biltine
Winter begins in Biltine in December and continues through February. These months bear witness to the most pleasant weather with average high temperatures running from 33.3°C (91.9°F) to 36.9°C (98.4°F) and lows ranging between 18.4°C (65.1°F) to 21.1°C (70°F). They are also the driest months with no rain being recorded, rendering an ideal climate for visitors.Weather in January
January in Biltine, Chad begins with a high degree of sunshine, averaging about 7.7 hours per day. A dominant feature is the low humidity level, which sits at approximately 14%. The average pressure remains steady at a value of 1012.3mb. Weather in January »Weather in February
Moving into February, an increase in sunshine hours becomes noticeable. The sunlight lasts for roughly 8.7 hours per day. This month is characterized by a lower relative humidity of 12% compared to January, indicating a drier climate. Weather in February »Weather in March
March follows a similar weather pattern to February but with a boost in daylight hours to an average of 12.1h each day. One notable change in the climate is an increase in temperature. March is warmer than February, with maximum temperatures reaching up to 39.1°C (102.4°F). Weather in March »Weather in April
With the arrival of April, Biltine, Chad experiences a more pronounced change in weather conditions. Cloud coverage begins to increase, causing a slight dip in sunlight hours to 9.9h daily. Despite the cloudier days, it is the first month to experience a bit of rainfall at 1mm (0.04"). Weather in April »Weather in May
May brings more diversity to Biltine's weather as the first signs of the rainy season begin. Precipitation increases from 1mm (0.04") to 12mm (0.47"), with increased cloudiness and lower sunshine hours. Meanwhile, temperatures remain high, peaking at the same value as in April at 40.5°C (104.9°F). Weather in May »Weather in June
June marks the beginning of the summer months in Biltine, Chad. It ushers in a continued rise in humidity, recorded at 29% this month. The rainfall sees a significant increase from 12mm (0.47") to 48mm (1.89"), indicating a consolidation of the rainy season. Weather in June »Weather in July
July is a unique month in Biltine, Chad as it is the cusp of the rainy season. The general trend sees a continued rise in humidity, which peaks at 48%, the highest of the year. Corresponding to this peak, rainfall experiences a surge reaching an annual high of 94mm (3.7"). Weather in July »Weather in August
August signals the height of the rainy season in Biltine, Chad as evidenced by the recorded rainfall of 205mm (8.07"), the highest for the year. Humidity levels maintain their high levels, reducing from the peak in July to a still considerable 64%. Weather in August »Weather in September
The arrival of September signals a significant shift in the weather of Biltine, Chad, as the rainy season starts to phase out. Rainfall steadily decreases from its highest level in August to a more manageable 64mm (2.52"). Subsequently, the cloud cover reduces nearly by half, letting more sunshine into the city. Weather in September »Weather in October
October brings more stability to Biltine's weather. The post-rainy season adjustment is evident with a further decrease in rainfall to 8mm (0.31"). Additionally, sunshine hours increase to 9.9h daily, extending the window for outdoor activities. Weather in October »Weather in November
In November, Biltine, Chad shifts more towards climatic stability, leaving behind the wet season. With no recorded rainfall, cloud cover reduces significantly, leading to clearer and brighter days. Additionally, humidity decreases further to 15%, creating more comfort for residents. Weather in November »Weather in December
To end the year, December in Biltine, Chad enjoys calm and clear weather. With no rainfall, the month ushers in more sunshine hours, averaging 9.9h daily. The humidity remains low at 16%, maintaining the comfort felt in November. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Biltine, Chad
The warmest months (with the highest average high temperature) are April and May (40.5°C).
The month with the lowest average high temperature is August (32.2°C).
The month with the highest average low temperature is June (29.3°C).
The coldest month (with the lowest average low temperature) is January (18.4°C).
Average pressure
Biltine, Chad
- Average pressure in January:
1012.3mbar - Average pressure in February:
1009.8mbar - Average pressure in March:
1008.3mbar - Average pressure in April:
1006.8mbar - Average pressure in May:
1007mbar - Average pressure in June:
1008mbar
- Average pressure in July:
1009.3mbar - Average pressure in August:
1009.9mbar - Average pressure in September:
1009.2mbar - Average pressure in October:
1008.6mbar - Average pressure in November:
1010mbar - Average pressure in December:
1012.3mbar
The months with the highest atmospheric pressure are January and December (1012.3mbar).
The month with the lowest atmospheric pressure is April (1006.8mbar).
Average wind speed
Biltine, Chad
- Average wind speed in January:
14.1km/h - Average wind speed in February:
15.6km/h - Average wind speed in March:
16.2km/h - Average wind speed in April:
15.5km/h - Average wind speed in May:
13.2km/h - Average wind speed in June:
12.4km/h
- Average wind speed in July:
14.2km/h - Average wind speed in August:
11.5km/h - Average wind speed in September:
9.9km/h - Average wind speed in October:
11.6km/h - Average wind speed in November:
13.7km/h - Average wind speed in December:
14.3km/h
The windiest month (with the highest average wind speed) is March (16.2km/h).
The calmest month (with the lowest average wind speed) is September (9.9km/h).
Average humidity
Biltine, Chad
The month with the highest relative humidity is August (64%).
The month with the lowest relative humidity is March (10%).
Average rainfall
Biltine, Chad
The wettest month (with the highest rainfall) is August (205mm).
The driest months (with the least rainfall) are January, February, March, November and December (0mm).
Average rainfall days
Biltine, Chad
- Average rainfall days in January:
0 days - Average rainfall days in February:
0 days - Average rainfall days in March:
0.4 days - Average rainfall days in April:
1.3 days - Average rainfall days in May:
2.9 days - Average rainfall days in June:
7.5 days
- Average rainfall days in July:
18.2 days - Average rainfall days in August:
25.2 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
2.4 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 (25.2 days).
The months with the least rainy days are January, February, November and December (0 days).
Average daylight / Average sunshine
Biltine, Chad
- 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 30min - 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:
7h and 42min - Average sunshine in February:
8h and 42min - Average sunshine in March:
10h and 0min - Average sunshine in April:
9h and 54min - Average sunshine in May:
10h and 0min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
11h and 18min - Average sunshine in August:
9h and 12min - Average sunshine in September:
9h and 36min - Average sunshine in October:
9h and 54min - Average sunshine in November:
10h and 0min - Average sunshine in December:
9h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 42min).
Average sunshine days
Biltine, Chad
- Average sunshine days in January:
31 days - Average sunshine days in February:
28.3 days - Average sunshine days in March:
30.6 days - Average sunshine days in April:
28.8 days - Average sunshine days in May:
26.8 days - Average sunshine days in June:
20 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
4.8 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
26.8 days - Average sunshine days in November:
30 days - Average sunshine days in December:
31 days
The months with the most sunshine days are January and December (31 days).
The month with the least sunshine days is August (4.8 days).
Average UV index
Biltine, Chad
The months with the highest UV index are February, March, April, May, June, September and October (UV index 8).
The months with the lowest UV index are January, July, August, November and December (UV index 7).
Average cloud cover
Biltine, Chad
The month with the most cloud cover is August (Cloud cover 37).
The months with the least cloud cover are January and December (Cloud cover 1).
Average visibility
Biltine, Chad
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (10km).
The month with the lowest visibility is August (9km).








