Monthly climate in Sien, Boucle du Mouhoun, Burkina Faso

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sien features a hot semi-arid climate (BSh).Temperatures typically range between 25 °C (77 °F) and 33 °C (93 °F) through the year, but rarely can drop to 13 °C (56 °F) or can rise to as high as 44 °C (112 °F).The average annual precipitation amounts to about 624 mm (24.6 inches) and receives 79 rainy days on the 1 mm (0.04 inches) threshold annually.Sien enjoys an average of 3744 hours of sunshine throughout the year, and daylight varies from 11 hours 22 minutes to 12 hours 50 minutes per day.

Monthly average temperatures in Sien, Boucle du Mouhoun, Burkina Faso §

The warmest months in Sien are March, April and May, with daily mean temperatures ranging from 31 to 33 °C (89 - 93 °F) throughout the day. The coldest temperatures usually occur in January, August and December, when daily mean temperatures range from 25 to 27 °C (77 - 80 °F) throughout the day. On average each year, Sien experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sien, Boucle du Mouhoun, Burkina Faso.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 38°C
(101°F)
40°C
(104°F)
43°C
(109°F)
43°C
(110°F)
44°C
(112°F)
40°C
(105°F)
37°C
(100°F)
35°C
(95°F)
36°C
(98°F)
39°C
(102°F)
39°C
(103°F)
38°C
(100°F)
Mean maximum 36°C
(97°F)
39°C
(102°F)
41°C
(106°F)
42°C
(109°F)
42°C
(109°F)
39°C
(103°F)
36°C
(98°F)
34°C
(93°F)
35°C
(96°F)
38°C
(101°F)
38°C
(100°F)
37°C
(98°F)
Average high 33°C
(91°F)
35°C
(96°F)
38°C
(101°F)
40°C
(104°F)
39°C
(102°F)
36°C
(96°F)
32°C
(90°F)
30°C
(87°F)
32°C
(90°F)
35°C
(95°F)
36°C
(97°F)
34°C
(93°F)
Daily mean 25°C
(77°F)
27°C
(82°F)
31°C
(89°F)
33°C
(93°F)
33°C
(92°F)
31°C
(87°F)
28°C
(83°F)
27°C
(80°F)
28°C
(82°F)
29°C
(85°F)
28°C
(83°F)
26°C
(79°F)
Average low 17°C
(63°F)
20°C
(68°F)
24°C
(76°F)
27°C
(81°F)
28°C
(82°F)
26°C
(79°F)
24°C
(76°F)
24°C
(75°F)
24°C
(75°F)
24°C
(75°F)
21°C
(69°F)
18°C
(65°F)
Mean minimum 13°C
(56°F)
16°C
(61°F)
20°C
(68°F)
23°C
(73°F)
24°C
(76°F)
23°C
(73°F)
22°C
(72°F)
22°C
(72°F)
22°C
(72°F)
21°C
(69°F)
17°C
(63°F)
15°C
(59°F)
Minimum 13°C
(56°F)
14°C
(58°F)
17°C
(63°F)
21°C
(70°F)
22°C
(73°F)
21°C
(71°F)
22°C
(72°F)
22°C
(71°F)
21°C
(70°F)
17°C
(64°F)
16°C
(61°F)
14°C
(58°F)

Compare climate in Sien with other places

Compare temperature, precipitation, sunshine, UV index in Sien, Boucle du Mouhoun, Burkina Faso with other places around the world.

Monthly average precipitation in Sien, Boucle du Mouhoun, Burkina Faso §

Sien usually has the most precipitation in July, August and September, with an average of 19 rainy days and 166 mm (6.6 inches) of precipitation per month.The driest months in Sien are January, November and December. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sien, Boucle du Mouhoun, Burkina Faso.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 0 (0.0) 0 (0.0) 1 (0.0) 5 (0.2) 22 (0.9) 56 (2.2) 141 (5.6) 231 (9.1) 127 (5.0) 39 (1.5) 0 (0.0) 0 (0.0)
Average precipitation days (≥ 1 mm) 0 0 0 1 6 10 19 23 15 5 0 0

Monthly sunshine hours in Sien, Boucle du Mouhoun, Burkina Faso §

The sunniest months in Sien are May, June and July, when the sun shines an average of 10 hours 51 minutes a day.Least sunny months in Sien: January, February and August receive an average of 9 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sien, Boucle du Mouhoun, Burkina Faso.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 262 292 323 319 335 332 330 281 299 325 315 324
Mean daily daylight hours 11h 27m 11h 42m 12h 3m 12h 24m 12h 42m 12h 50m 12h 46m 12h 30m 12h 10m 11h 49m 11h 31m 11h 22m

Solar UV radiation in Sien, Boucle du Mouhoun, Burkina Faso §

Sien experiences the highest level of ultraviolet (UV) radiation in April, July and August, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure.January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Sien UV Index data.

Average daily maximum UV levels by month for Sien, Boucle du Mouhoun, Burkina Faso.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 10 11 12 13 12 12 14 14 13 12 10 9