Climate and monthly weather forecast
Yao, Chad


The climate of Yao

Characterizing the climatic conditions of Yao, Chad, the regime rests within the Köppen climate classification of BSh, a Subtropical steppe classification. Positioned around the center of the African continent, Yao encounters significant variations in its monthly weather conditions.

Throughout the calendar year, the highest average temperature swings from 32.6°C (90.7°F) to a scalding 43.1°C (109.6°F). This fluctuation mirrors the shift in the lowest average temperature, as it vacillates from a minimum of 18.3°C (64.9°F) to a sweltering 30.5°C (86.9°F). Furthermore, Yao gets to experience substantial yearly changes in terms of humidity and cloud cover percentages. The humidity levels range from a dry 10% to a quite humid 69%, while the percentage of cloud cover varies from a sunny 1% to a partly cloudy 40%.

An interesting feature of Yao's weather conditions is the rainfall patterns. From January to March and from November to December, Yao essentially receives no rainfall. The quantity of rainfall increases gradually from April to August, peaking at 131mm (5.16") in August, with the number of rainfall days also at its highest of 23.1 days.

The best time to visit Yao

The optimal period to visit Yao is from November through March. During this time, the temperature is relatively more moderate, with daily average lows from 18.3°C (64.9°F) to 27.3°C (81.1°F) and daily average highs from 34.3°C (93.7°F) to 40.8°C (105.4°F). Furthermore, the relative humidity is fairly low, ranging from 10% to 14%, providing a relatively dry environment. Also, rainfall is non-existent in these months, eliminating any necessity for rain gear.

The worst time to visit Yao

Tourists should ideally avoid the rainy season which spans from May through September. Particularly, August is the worst month to visit Yao, when rainfall reaches its peak of 131mm (5.16") with a substantial 23.1 rainfall days. Moreover, one will contend with high humidity levels from 31% to 52% during these months. Even though the temperature is still tolerable, ranging in daily averages from 32.6°C (90.7°F) to 42.3°C (108.1°F), the high humidity can lead to discomfort.

Spring weather in Yao

Spring in Yao, notably from March through May, declares the end of the dry season. During this period, the daily average high temperature boosts from 40.8°C (105.4°F) to 42.3°C (108.1°F), with average lows also rising from 25.1°C (77.2°F) to 30.4°C (86.7°F). Rain starts to appear in May with an average precipitation of 11mm (0.43") over 5.8 days. The relative humidity begins to climb as well, rising from 10% in March to 23% in May.

Summer weather in Yao

From June to August, Yao experiences its summer season with temperatures regularly hitting average highs of 39.8°C (103.6°F) to 42.3°C (108.1°F). During the same period, the average lows range between 27.3°C (81.1°F) to 30.5°C (86.9°F). This time is also marked by the most significant rainfall of the year, with July and August drawing averages of 71mm (2.8") and 131mm (5.16") respectively over numerous rainfall days. Humidity considerably escalates to its annual peak of 69% in August.

Autumn weather in Yao

In Yao, the autumn, from September to November, is marked by varying weather conditions. September retains some characteristics of the summer, with moderate rainfall of 36mm (1.42") and relatively high average temperatures from 26.1°C (79°F) to 35.5°C (95.9°F). However, as October rolls in, rainfall substantially reduces to just about 11mm (0.43") and temperatures cool slightly, with daily averages dropping to ranges from 27.4°C (81.3°F) to 38.6°C (101.5°F). By November, the weather becomes much drier and the temperatures continue to decline.

Winter weather in Yao

The winter months, from December to February, are the driest and coolest months in Yao. In this period, the average high temperature ranges from 34.3°C (93.7°F) to 37.9°C (100.2°F) and the average low shifts between 18.3°C (64.9°F) to 21.5°C (70.7°F). Additionally, December and January are the driest months of the year with virtually no rainfall recorded. The relative humidity is also at its lowest during these months, providing dry and comfortable weather conditions.

Weather in January

The first month of the year in Yao, Chad is typically characterized by dry weather, clear skies, and a consistent breeze. January sees temperatures ranging from 18.3°C (64.9°F) to 34.3°C (93.7°F), providing a balmy start to the year. Weather in January »

Weather in February

Moving into February, Yao maintains its dry-season characteristics but experiences slightly warmer conditions compared to January. February's temperature spectrum extends from 21.5°C (70.7°F) to 37.9°C (100.2°F), marking an intensification of heat. Weather in February »

Weather in March

March is even hotter, defining Yao's scorching dry-season weather with temperatures soaring from 25.1°C (77.2°F) to an extreme 40.8°C (105.4°F). The conditions remain largely dry this month, notwithstanding the consistent high daylight periods and ongoing streak of clear skies. Weather in March »

Weather in April

April in Yao experiences the first signs of the approaching rainy season, with a record rainfall of 5mm (0.2"). This month flaunts warmer overnight lows, with temperatures not falling below 28°C (82.4°F), and days becoming increasingly hotter. Weather in April »

Weather in May

Even though May leads into the rainy season, it still retains some of Yao's dry-season attributes. In May, the city experiences an uptick in rainfall to 11mm (0.43"), hinting at the emerging wet season. Still, the days provide ample sunshine, with daylight hours approaching their annual peak. Weather in May »

Weather in June

In Yao, June signifies the advent of the rainy season, characterized by an increase in humidity to 35% and a notable rise in rainfall, reaching a significant 23mm (0.91"). This month spotlights progressively cloudy skies, coupled with shorter sunny periods compared to the preceding months. Weather in June »

Weather in July

July is the height of the wet season in Yao, with rainfall escalating to an impressive 71mm (2.8"). This month experiences considerably lower temperatures, falling from 39.8°C (103.6°F) to a more tolerable 35.3°C (95.5°F). By July, the humidity has already escalated to 52%, culminating in a notably muggy ambiance. Weather in July »

Weather in August

August brings the wettest period in Yao as the rainfall peaks at 131mm (5.16"), and the relative humidity reaches a high of 69%. At this point in the year, temperatures maintain a lower range from 24.6°C (76.3°F) to 32.6°C (90.7°F). Weather in August »

Weather in September

September transitions from the rainy to the dry season in Yao, as the rainfall begins to decrease substantially to 36mm (1.42"), and temperatures start to rise once again. The relative humidity drops from August's 69% to a lesser 56% marking the shifting weather patterns. Weather in September »

Weather in October

October in Yao is firmly in the dry season, with only 11mm (0.43") of rain and the humidity falling significantly. October sees temperatures from 27.4°C (81.3°F) to 38.6°C (101.5°F), signifying the return of warm days. Although the atmospheric pressure keeps rising in October, the wind speeds stabilize, maintaining a constant breeze during the hot days. Weather in October »

Weather in November

In November, Yao rhythms to the steady beat of the dry season. Entirely without rain and characterized by a relative humidity of 15%, November's weather clearly contrasts that of the wet months. Rising daylight and sunshine durations in this month make it ideal for outdoor activities. Weather in November »

Weather in December

December culminates the dry season in Yao with no rainfall and minimal humidity, setting the stage for the approaching New Year. Yao witnesses temperatures ranging from 19.5°C (67.1°F) to 34.3°C (93.7°F), generating an agreeable climate for holiday activities. Weather in December »

Frequently asked questions

What is the driest month in Yao?

In Yao, Chad, rain does not fall in January through March, November and December.

How much does it rain in Yao?

Throughout the year, in Yao, Chad, 288mm (11.34") of rain is accumulated.

What is the month with the least sunshine in Yao?

The month with the least sunshine in Yao is January, with an average of 7.7h of sunshine.

What are the months with the lowest UV index in Yao?

The months with the lowest UV index in Yao, Chad, are January, August, November and December, with an average maximum UV index of 7.

What is the least humid month in Yao?

With an average relative humidity of 10%, March is the least humid month in Yao, Chad.

What time of the year is the hottest in Yao?

April is the month when Yao sees the average highest temperatures, with a high of 43.1°C (109.6°F) and a low of 28°C (82.4°F).

When does it rain in Yao?

April through October are months with rainfall in Yao.

What month has the most sunshine in Yao?

With an average of 12.1h of sunshine, April has the most sunshine of the year in Yao.

What is the month with the highest UV index in Yao?

The months with the highest UV index are April and May, with an average maximum UV index of 9.

When are the longest days in Yao?

June has the longest days of the year in Yao, with an average of 12h and 54min of daylight.

What is the coldest time of year in Yao?

Yao, Chad, experiences its lowest temperatures in August, with an average peak of 32.6°C (90.7°F) and a low of 24.6°C (76.3°F).

What is the most humid month in Yao?

August is the most humid month in Yao, with an average relative humidity of 69%.

What is the rainiest month in Yao?

The month with the most rainfall is August, when the rain falls for 23.1 days and typically aggregates up to 131mm (5.16") of precipitation.

What is the month with the shortest days in Yao?

The month with the shortest days in Yao, Chad, is December, with an average of 11h and 24min of daylight.

Is there Daylight Saving Time (DST) in Yao?

Yao does not observe Daylight Saving Time (DST). WAT timezone is used throughout the entire year.

Average temperature
Yao, Chad

Average temperature - Yao, Chad

The warmest month (with the highest average high temperature) is April (43.1°C).
The month with the lowest average high temperature is August (32.6°C).

The month with the highest average low temperature is June (30.5°C).
The coldest month (with the lowest average low temperature) is January (18.3°C).


Average pressure
Yao, Chad

Average pressure - Yao, Chad

The month with the highest atmospheric pressure is January (1011.9mbar).
The month with the lowest atmospheric pressure is April (1005.8mbar).


Average wind speed
Yao, Chad

Average wind speed - Yao, Chad

The windiest month (with the highest average wind speed) is February (14.6km/h).
The calmest month (with the lowest average wind speed) is October (9.7km/h).


Average rainfall
Yao, Chad

Average rainfall - Yao, Chad

The wettest month (with the highest rainfall) is August (131mm).
The driest months (with the least rainfall) are January, February, March, November and December (0mm).


Average rainfall days
Yao, Chad

Average rainfall days - Yao, Chad

The month with the highest number of rainy days is August (23.1 days).
The months with the least rainy days are January, February, November and December (0 days).


Average daylight / Average sunshine
Yao, Chad

Average daylight / Average sunshine - Yao, Chad

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).

The month with the most sunshine is April (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 42min).


Average sunshine days
Yao, Chad

Average sunshine days - Yao, Chad

The months with the most sunshine days are January and December (31 days).
The month with the least sunshine days is August (6 days).


Average UV index
Yao, Chad

Average UV index - Yao, 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 visibility
Yao, Chad

Average visibility - Yao, 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).


Yao, Chad

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