Climate and monthly weather forecastAti, Chad
Climate and monthly weather forecast
The climate of Ati
Under the Köppen climate classification, Ati, Chad is classified as BWh, indicating a subtropical desert climate. This aligns with its geographical location in the Sahel region of Chad, nestled between the Sahara desert and the Sudanian Savanna. In such an environment, temperatures are consistently high throughout the year, frequently soaring beyond 33.9°C (93°F).Throughout the year, temperatures range from an average low of 17.9°C (64.2°F) in January to an average high of 42.6°C (108.7°F) in April. However, even chillier temperatures are not something locals or visitors to Ati have to worry about as the temperature rarely dips below 17.9°C (64.2°F). On the other hand, the highest temperatures tend to occur around April and May, reaching up to 42.6°C (108.7°F) and 42.2°C (108°F) respectively.
Humidity in Ati ranges from 10% during March to 62% in August. The city also has a relatively low annual rainfall, with the majority of the rain falling between June to August. The heaviest rainfall occurs in August with 142mm (5.59"), while other months such as January, February, November and December, experience no rainfall at all.
The best time to visit Ati
Due to the subtropical desert climate, the best time to visit Ati is during the cooler months from November to February. During these months, the average high temperature ranges from 33.9°C (93°F) to 37.1°C (98.8°F), which is moderate by Ati standards. The average low temperature ranges from 17.9°C (64.2°F) to 24.4°C (75.9°F), providing cooler evenings. There is also no rainfall during these months, making it an ideal time for outdoor activities.The worst time to visit Ati
The peak summertime, particularly the months of April to June, might be challenging for some visitors due to the high temperatures. During this period, the average high temperatures range from 40.6°C (105.1°F) to 42.6°C (108.7°F). The months of July and August may also prove uncomfortable due to an increase in humidity and significant rainfall.Spring weather in Ati
In Ati, the spring season, which falls in March to May, sees a rapid increase in temperatures. The average high temperature in March is 40.6°C (105.1°F), and it increases to 42.6°C (108.7°F) in April, before slightly reducing to 42.2°C (108°F) in May. Rainfall is minimal in spring, except for a small amount of 1mm (0.04") in April and 10mm (0.39") in May.Summer weather in Ati
Summer in Ati extends from June to August. The average high temperature decreases slightly from 40.1°C (104.2°F) in June to 33.7°C (92.7°F) in August. This period also brings the most rainfall with an average of 21mm (0.83") in June, 70mm (2.76") in July and a surge to 142mm (5.59") in August. Relative humidity increases significantly during summer and peaks at 62% in August.Autumn weather in Ati
During the autumn months of September and October, the average high temperature increases marginally from 36.6°C (97.9°F) to 38.6°C (101.5°F). Rainfall decreases sharply to 35mm (1.38") in September and 8mm (0.31") in October. The relative humidity also recedes to 48% in September and 26% in October.Winter weather in Ati
Winter in Ati spans November to February, during which the temperature ranges from an average high of 37.1°C (98.8°F) in November to 33.9°C (93°F) in February. The average low temperatures are considerably cooler, ranging from 24.4°C (75.9°F) in November to 17.9°C (64.2°F) in February. The winter months are characterized by zero rainfall, making them the driest months of the year in Ati.Weather in January
January in Ati, Chad marks the start of the year with an unvarying and cloudless sky. With a UV index standing at 7, ensure to pack sun-protection essentials. Compared to other months, wind speeds tend to be moderately high during this period, with the maximum wind speed recorded at 16.4km/h (10.2mph) and gusts reaching 26.4km/h (16.4mph). Weather in January »Weather in February
The weather pattern observed in February in Ati, Chad is much like that of January, with clear skies and dry conditions. The UV index steps up to 8, indicating a need for additional sun safety measures. During this month, wind speeds experience a slight increase from the previous month, scaling up to a maximum of 17.3km/h (10.7mph) with gusts touching 27.7km/h (17.2mph). Weather in February »Weather in March
March in Ati, Chad witnesses the transition from cooler to significantly hotter conditions. Relative humidity drops to a minimum value of 10%. This month's weather characteristics include a UV index of 8, identical to that of the previous month. Weather in March »Weather in April
Observing Ati's weather pattern, a mild shift can be spotted in April. This month records a slight 1mm (0.04") precipitation and a gently increased average relative humidity of 12%. In conjunction with the marginally increased rainfall, exceptions include a surge in temperature and higher daylight hours. Weather in April »Weather in May
May signifies an important phase of transition in the climate of Ati, Chad. The month-end sees the first signs of rainfall, with precipitation levels hitting 10mm (0.39"). The warmer trend persists and the amount of daylight hours reaches its highest. Weather in May »Weather in June
June represents the peak of the hot season in Ati. In Chad, the highest average daytime temperature is attained, standing at 40.1°C (104.2°F). Moreover, the quantity of rainfall almost doubles compared to May, ushering in the onset of the wet season. Weather in June »Weather in July
July begins with a further surge in rainfall, reaching a considerable 70mm (2.76"), the highest in the year for Ati, Chad. A discernable increment in the cloud cover is evident from the increased precipitation. Added to this, the UV index continues to stand at 8. Weather in July »Weather in August
August in Ati, Chad is characterized by consistent rainy weather and high humidity. Rainfall rockets to about 142mm (5.59"), the highest amount witnessed in the whole calendar year. An increase in cloud cover is evident. On the flip side, the rest of the climatological parameters remain pretty consistent when compared to the previous month. Weather in August »Weather in September
A significant decrease in rainfall marks the month of September in Ati, Chad, dropping down to 35mm (1.38"). This reduction in precipitation signifies the gradual retreat of the wet season. Aside from the departure of the rains, the weather continues to cool off progressively. Weather in September »Weather in October
October is the beginning of the dry season in Ati, Chad, and sees a steep decline in rainfall, down to just 8mm (0.31"). Despite this, the average temperature continues its downward trajectory. The UV index shifts back to 8. Surprisingly, there is minimal fluctuation in the average wind speed. Weather in October »Weather in November
The dry ambiance that Ati, Chad trusts, October is more pronounced in November, with an absolute lack of rainfall. Comparatively, this month exhibits the return of the hot and arid conditions that characterize the beginning of the year. Weather in November »Weather in December
Rounding off the year, December hands over similar weather characteristics as noticed in November, with the continuation of dry and relatively cooler conditions in Ati, Chad. The maximum average daily temperature lands at 33.9°C (93°F) and the minimum average standing at 19.4°C (66.9°F). Weather in December »Updated: Jul 29, 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
In Ati, rain does not fall in January through March, November and December.
Throughout the year, 287mm (11.3") of rain is accumulated.
January and February, with an average of 7.7h of sunshine, are months with the least sunshine.
January, August, November and December, with an average maximum UV index of 7, are months with the lowest UV index.
March is the least humid month, with an average relative humidity of 10%.
Ati records the warmest temperatures in April, averaging a high of 42.6°C (108.7°F) and a low of 27.7°C (81.9°F).
April through October are months with rainfall.
April and May, with an average maximum UV index of 9, are months with the highest UV index.
The month with the most sunshine is May, with an average of 12.1h of sunshine.
With an average of 12h and 54min of daylight, June has the longest days of the year.
Ati experiences its lowest temperatures in August, with an average peak of 33.7°C (92.7°F) and a low of 25.8°C (78.4°F).
The most humid month in Ati is August, with an average relative humidity of 62%.
August is the month with the most rainfall. Rain falls for 23 days and accumulates 142mm (5.59") of precipitation.
With an average of 11h and 24min of daylight, December has the shortest days of the year.
Ati, Chad, does not observe Daylight Saving Time (DST). WAT timezone is used over the entire year.
Average temperature
Ati, Chad
The warmest month (with the highest average high temperature) is April (42.6°C).
The month with the lowest average high temperature is August (33.7°C).
The month with the highest average low temperature is June (30.9°C).
The coldest month (with the lowest average low temperature) is January (17.9°C).
Average pressure
Ati, Chad
- Average pressure in January:
1012.1mbar - Average pressure in February:
1009.4mbar - Average pressure in March:
1007.6mbar - Average pressure in April:
1006mbar - Average pressure in May:
1006.4mbar - Average pressure in June:
1007.7mbar
- Average pressure in July:
1009.2mbar - Average pressure in August:
1009.9mbar - Average pressure in September:
1009.2mbar - Average pressure in October:
1008.2mbar - Average pressure in November:
1009.5mbar - Average pressure in December:
1011.9mbar
The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is April (1006mbar).
Average wind speed
Ati, Chad
- Average wind speed in January:
15.6km/h - Average wind speed in February:
16.3km/h - Average wind speed in March:
16.1km/h - Average wind speed in April:
14.2km/h - Average wind speed in May:
11.7km/h - Average wind speed in June:
13.4km/h
- Average wind speed in July:
15km/h - Average wind speed in August:
12.9km/h - Average wind speed in September:
11.6km/h - Average wind speed in October:
11.4km/h - Average wind speed in November:
14.5km/h - Average wind speed in December:
15.9km/h
The windiest month (with the highest average wind speed) is February (16.3km/h).
The calmest month (with the lowest average wind speed) is October (11.4km/h).
Average humidity
Ati, Chad
The month with the highest relative humidity is August (62%).
The month with the lowest relative humidity is March (10%).
Average rainfall
Ati, Chad
The wettest month (with the highest rainfall) is August (142mm).
The driest months (with the least rainfall) are January, February, March, November and December (0mm).
Average rainfall days
Ati, Chad
- Average rainfall days in January:
0 days - Average rainfall days in February:
0 days - Average rainfall days in March:
0.6 days - Average rainfall days in April:
1.5 days - Average rainfall days in May:
3.9 days - Average rainfall days in June:
7.8 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
23 days - Average rainfall days in September:
10.4 days - Average rainfall days in October:
3.7 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 (23 days).
The months with the least rainy days are January, February, November and December (0 days).
Average daylight / Average sunshine
Ati, 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 24min - Average daylight in May:
12h and 42min - Average daylight in June:
12h and 54min
- Average daylight in July:
12h and 48min - 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 24min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in January:
7h and 42min - Average sunshine in February:
7h and 42min - Average sunshine in March:
9h and 30min - Average sunshine in April:
10h and 36min - Average sunshine in May:
12h and 6min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
11h and 12min - Average sunshine in August:
10h and 36min - 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:
8h and 36min
The month with the most sunshine is May (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 7h and 42min).
Average sunshine days
Ati, Chad
- Average sunshine days in January:
31 days - Average sunshine days in February:
28.3 days - Average sunshine days in March:
30.4 days - Average sunshine days in April:
28.3 days - Average sunshine days in May:
25.8 days - Average sunshine days in June:
18.7 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
6.3 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
25.2 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 (6.3 days).
Average UV index
Ati, Chad
The months with the highest UV index are April and May (UV index 9).
The months with the lowest UV index are January, August, November and December (UV index 7).
Average cloud cover
Ati, Chad
The month with the most cloud cover is August (Cloud cover 36).
The months with the least cloud cover are January and December (Cloud cover 1).
Average visibility
Ati, 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).
