Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Semi features a tropical savanna climate (Aw).Temperatures typically range between 25 °C (77 °F) and 28 °C (83 °F) through the year, but rarely can drop to 23 °C (74 °F) or can rise to as high as 30 °C (86 °F).The average annual precipitation amounts to about 1255 mm (49.4 inches) and receives 202 rainy days on the 1 mm (0.04 inches) threshold annually.Semi enjoys an average of 3687 hours of sunshine throughout the year, and daylight varies from 11 hours 45 minutes to 12 hours 28 minutes per day.
The warmest months in Semi are March, April and May, with daily mean temperatures ranging from 28 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 26 °C (77 - 78 °F) throughout the day. On average each year, Semi experiences 320 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 29°C (84°F) | 29°C (85°F) | 29°C (85°F) | 30°C (86°F) | 29°C (85°F) | 29°C (84°F) | 27°C (81°F) | 26°C (80°F) | 27°C (81°F) | 28°C (83°F) | 29°C (85°F) | 29°C (85°F) |
Mean maximum | 28°C (84°F) | 29°C (84°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 28°C (84°F) | 27°C (80°F) | 26°C (79°F) | 27°C (80°F) | 28°C (83°F) | 29°C (84°F) | 29°C (84°F) |
Average high | 28°C (82°F) | 28°C (83°F) | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 27°C (82°F) | 26°C (79°F) | 25°C (78°F) | 26°C (79°F) | 27°C (81°F) | 28°C (83°F) | 28°C (83°F) |
Daily mean | 27°C (81°F) | 28°C (82°F) | 28°C (83°F) | 28°C (83°F) | 28°C (82°F) | 27°C (80°F) | 25°C (78°F) | 25°C (77°F) | 26°C (78°F) | 27°C (80°F) | 28°C (82°F) | 28°C (82°F) |
Average low | 27°C (80°F) | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) | 26°C (79°F) | 25°C (77°F) | 25°C (76°F) | 25°C (77°F) | 26°C (79°F) | 27°C (81°F) | 27°C (81°F) |
Mean minimum | 25°C (77°F) | 26°C (78°F) | 26°C (80°F) | 26°C (79°F) | 25°C (78°F) | 25°C (77°F) | 24°C (76°F) | 24°C (75°F) | 24°C (76°F) | 25°C (77°F) | 26°C (78°F) | 26°C (78°F) |
Minimum | 24°C (76°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 24°C (76°F) | 24°C (76°F) | 23°C (74°F) | 24°C (75°F) | 25°C (76°F) | 25°C (78°F) | 25°C (77°F) |
Compare temperature, precipitation, sunshine, UV index in Semi, Ouémé, Benin with other places around the world.
Semi usually has the most precipitation in June, September and October, with an average of 22 rainy days and 205 mm (8.1 inches) of precipitation per month.The driest months in Semi are January, February and December. On average, 29 mm (1.1 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 18 (0.7) | 40 (1.6) | 57 (2.2) | 58 (2.3) | 138 (5.4) | 272 (10.7) | 137 (5.4) | 106 (4.2) | 152 (6.0) | 190 (7.5) | 58 (2.3) | 29 (1.1) |
Average precipitation days (≥ 1 mm) | 5 | 12 | 16 | 13 | 23 | 24 | 22 | 18 | 20 | 22 | 18 | 9 |
The sunniest months in Semi are May, August and December, when the sun shines an average of 10 hours 25 minutes a day.Least sunny months in Semi: January, February and June receive an average of 9 hours 21 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 261 | 289 | 318 | 317 | 325 | 291 | 309 | 323 | 301 | 316 | 312 | 320 |
Mean daily daylight hours | 11h 47m | 11h 54m | 12h 4m | 12h 15m | 12h 23m | 12h 28m | 12h 26m | 12h 18m | 12h 7m | 11h 57m | 11h 49m | 11h 45m |
Semi experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 12 - 14, which corresponds to the Extreme category of sun exposure.June, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Semi UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 11 | 11 | 12 | 14 | 12 | 11 | 12 | 12 | 12 | 12 | 9 | 9 |