Climate and monthly weather forecast
Boulsa, Burkina Faso

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The climate of Boulsa

Boulsa, situated in Burkina Faso, falls under the realm of the BSh or 'Subtropical steppe' in the Köppen climate classification. This town experiences temperatures trailing from 17.6°C (63.7°F) to 40.8°C (105.4°F), with higher temperatures gracing the land between March and July. Lower temperatures offer a respite between January and December. Humidity ranges from a low of 14% in January and February to a high of 70% in August.

Boulsa experiences little to no rainfall from January to March and in November and December. In contrast, rainfall is abundant from June to August, peaking at 128mm (5.04") in the month of August alone. The highest number of rainfall days can be expected from June to August, with August witnessing 20.4 rainfall days. The amount of daylight Boulsa receives ranges slightly from 11.4 hours in December to 12.9 hours in June.

Sunshine hours span from a minimum of 7.6 hours in December to a peak of 12 hours in May. The UV index peaks at 8 from March to August while dipping to a low of 6 in December. Visibility remains constant throughout the year at 10km (6.2mi).

The best time to visit Boulsa

Visitors in search of comfortable temperatures and reduced rainfall might consider planning their trip to Boulsa between November and February. During these months, temperatures trail between 17.6°C (63.7°F) and 36.4°C (97.5°F) and rainfall is scarce. In November, there tends to be a high rate of sunshine hours, approximately 9.7 hours per day, and a considerably lower cloud cover percentage, about 6%.

The worst time to visit Boulsa

The period between June and August might prove less than optimal for a visit to Boulsa. These months see increased rainfall, with August recording a high of 128mm (5.04") spread over 20.4 days. Additionally, high humidity levels are anticipated during these months, with a peak at 70% in August. Combined with elevated temperatures, this period may be uncomfortable for visitors unaccustomed to such conditions.

Spring weather in Boulsa

In Boulsa, the spring season registered between March and May typically experiences high temperatures ranging from 34.3°C (93.7°F) to 40.8°C (105.4°F). The spring season also embarks upon a gradual transition from drier weather to increased precipitation. Rainfall increases steadily from 2mm (0.08") in March to 12mm (0.47") in May. Noteworthy is the fact that the spring season boasts the most sunshine per day with 12 hours recorded in May.

Summer weather in Boulsa

The summer months from June to August in Boulsa register higher humidity levels, peaking at 70% in August. Rainfall is abundant during this period, reaching a maximum of 128mm (5.04") also in August. Despite these weather parameters, it is worth noting that there is still a significant amount of sunshine, with per day sunshine hours ranging from 11.9 in June to 10 in August.

Autumn weather in Boulsa

Autumn, spanning from September to November, brings a gradual retreat in rainfall, with figures ranging from 45mm (1.77") in September to no rainfall in November. The temperatures oscillate between 33.5°C (92.3°F) in September and 36.4°C (97.5°F) in November. Despite the declining rainfall, cloud cover remains relatively high in September at 23%.

Winter weather in Boulsa

In Boulsa, winter runs from December to February. These months showcase a relatively steady weather pattern, with low temperatures oscillating between 17.6°C (63.7°F) in January and 20.6°C (69.1°F) in February. Rainfall is virtually non-existent in this period. Winter offers an escape from the high humidity of the summer with a marked reduction in relative humidity to 14% in both January and February.

Weather in January

January weather in Boulsa, Burkina Faso, shows a shift from winter-like temperatures. Relative humidity stands at 14%, showcasing a dry start to the year. Prevailing weather conditions are also characterized by clear skies with 5% cloud coverage. Weather in January »

Weather in February

February transitions into warmer weather with clear skies compelling outdoor activities. Compared to January, an increase in humidity ushers in a slightly more moist condition. February witnesses a mild increase in rainfall to reach 1mm (0.04"). Weather in February »

Weather in March

The weather in Boulsa takes a warmer turn in March. A gradual rise in relative humidity to 16% marks an increase in moisture compared to the preceding month. Rainfall figures show a slight increase from the preceding month, tallying 2mm (0.08"). Weather in March »

Weather in April

April brings a new stage of weather in Boulsa, with temperatures ramping up towards the highest. Humidity continues its upward trajectory, moving to 24% and marking a departure from the dry earlier months. There is a significant increase in rainfall, now at 4mm (0.16"), signifying the onset of the rainy season. Weather in April »

Weather in May

By May, the weather in Boulsa, Burkina Faso, has evinced tell-tale signs of the wet season. Rapid temperature elevations have been seen, reaching 40.3°C (104.5°F). A leap in humidity indicates a substantial rise in moisture levels. Weather in May »

Weather in June

June marks the arrival of wetter, muggy weather in Boulsa. With relative humidity reaching 42%, the atmosphere holds more moisture than previous months. Rainy days become more frequent, although it comes with some cloud cover. Temperature soars high, steering clear of 38.2°C (100.8°F), ushering in hotter days. Weather in June »

Weather in July

July is known for its pronounced rainy weather in Boulsa, Burkina Faso. A significant hike in rainfall emerges, averaging a high of 67mm (2.64"). Relative humidity hits a peak for the year at 57%, resulting in quite muggy conditions. Weather in July »

Weather in August

August weather in Boulsa sustains the wet momentum from July. Rainfall notches up to 128mm (5.04"), marking it the highest for any month in the year. The moisture-laden atmosphere is maintained with humidity sitting at a high 70%. Weather in August »

Weather in September

September indicates a climatic shift with the weather in Boulsa slowly transitioning into the drier period. A sizable drop in rainfall to 45mm (1.77") signifies the receding of the wet season. Conditions become less humid with a drop to 65% relative humidity. Weather in September »

Weather in October

October is the transitionary period between the rainy and dry seasons in Boulsa, Burkina Faso. Temperatures rise slightly compared to September, averaging 36.4°C (97.5°F). Although the amount of rainfall drops to 24mm (0.94"), humidity decreases further, creating less damp conditions. Weather in October »

Weather in November

November marks a drastic change from the wetness of preceding months to an arid environment in Boulsa. November finally sees a cessation of rain, with rainfall recorded at 0mm (0"). It brings back drier days with a significant drop in relative humidity to 21%, a stark contrast to the muggy summer months. Weather in November »

Weather in December

December caps the year with its dry and moderately warm climate in Boulsa. The humidity dips down to 16%, resonating with the dry conditions of January. Despite the nonexistence of rain in December, temperatures cool down slightly, settling at an average of 34.4°C (93.9°F). Weather in December »
Updated: Feb 14, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the least humid month in Boulsa?

January and February, with an average relative humidity of 14%, are the least humid months in Boulsa, Burkina Faso.

What is the driest month in Boulsa?

In Boulsa, rain does not fall in January, November and December.

How many days does it rain in Boulsa?

Throughout the year, in Boulsa, Burkina Faso, there are 77.9 rainfall days, and 310mm (12.2") of precipitation is accumulated.

When does it rain in Boulsa?

February through October are months with rainfall in Boulsa.

What are the months with the highest UV index in Boulsa?

The months with the highest UV index in Boulsa, Burkina Faso, are March through June and September, with an average maximum UV index of 8.

What are the warmest months in Boulsa?

With its average high temperature of 40.8°C (105.4°F) and a low of 27.1°C (80.8°F), April is regarded as the warmest month in Boulsa, Burkina Faso.

What month has the most sunshine in Boulsa?

With an average of 12h of sunshine, May has the most sunshine of the year in Boulsa.

When are the longest days in Boulsa?

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

What part of the year is the coldest in Boulsa?

In Boulsa, Burkina Faso, the lowest temperatures are generally noted in August, averaging a high of 31.8°C (89.2°F) and a low of 24.2°C (75.6°F).

What is the most humid month in Boulsa?

August is the most humid month in Boulsa, with an average relative humidity of 70%.

What is the wettest month in Boulsa?

August is the month with the most rainfall. Rain falls for 20.4 days and accumulates 128mm (5.04") of precipitation.

What is the month with the shortest days in Boulsa?

With an average of 11h and 24min of daylight, December has the shortest days of the year.

Is there Daylight Saving Time (DST) in Boulsa?

Boulsa does not observe Daylight Saving Time (DST). GMT timezone is used over the entire year.

What is the month with the least sunshine in Boulsa?

December has the least sunshine of the year in Boulsa, Burkina Faso, with an average of 7.6h of sunshine.

When is the lowest UV index in Boulsa?

The month with the lowest UV index in Boulsa is December, with an average maximum UV index of 6.

Average temperature
Boulsa, Burkina Faso

Average temperature - Boulsa, Burkina Faso

The warmest month (with the highest average high temperature) is April (40.8°C).
The month with the lowest average high temperature is August (31.8°C).

The month with the highest average low temperature is May (29.2°C).
The coldest month (with the lowest average low temperature) is January (17.6°C).

Average pressure
Boulsa, Burkina Faso

Average pressure - Boulsa, Burkina Faso

The month with the highest atmospheric pressure is January (1012.3mbar).
The month with the lowest atmospheric pressure is April (1007.5mbar).

Average wind speed
Boulsa, Burkina Faso

Average wind speed - Boulsa, Burkina Faso

The windiest month (with the highest average wind speed) is January (14.3km/h).
The calmest month (with the lowest average wind speed) is September (9km/h).

Average humidity
Boulsa, Burkina Faso

Average humidity - Boulsa, Burkina Faso

The month with the highest relative humidity is August (70%).
The months with the lowest relative humidity are January and February (14%).

Average rainfall
Boulsa, Burkina Faso

Average rainfall - Boulsa, Burkina Faso

The wettest month (with the highest rainfall) is August (128mm).
The driest months (with the least rainfall) are January, November and December (0mm).

Average rainfall days
Boulsa, Burkina Faso

Average rainfall days - Boulsa, Burkina Faso

The month with the highest number of rainy days is August (20.4 days).
The month with the least rainy days is December (0.1 days).

Average daylight / Average sunshine
Boulsa, Burkina Faso

Average daylight / Average sunshine - Boulsa, Burkina Faso

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 May (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 36min).

Average sunshine days
Boulsa, Burkina Faso

Average sunshine days - Boulsa, Burkina Faso

The month with the most sunshine days is December (30.9 days).
The month with the least sunshine days is August (9.2 days).

Average UV index
Boulsa, Burkina Faso

Average UV index - Boulsa, Burkina Faso

The months with the highest UV index are March, April, May, June and September (UV index 8).
The month with the lowest UV index is December (UV index 6).

Average visibility
Boulsa, Burkina Faso

Average visibility - Boulsa, Burkina Faso

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).

Boulsa, Burkina Faso

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