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Monthly climate in Bolgatanga, Ghana

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bolgatanga features a tropical savanna climate (Aw).Temperatures typically range between 26 °C (80 °F) and 33 °C (92 °F) through the year, but rarely can drop to 16 °C (62 °F) or can rise to as high as 43 °C (109 °F).The average annual precipitation amounts to about 786 mm (31.0 inches) and receives 101 rainy days on the 1 mm (0.04 inches) threshold annually.Bolgatanga enjoys an average of 3661 hours of sunshine throughout the year, and daylight varies from 11 hours 29 minutes to 12 hours 43 minutes per day.

Monthly average temperatures in Bolgatanga, Ghana §

The warmest months in Bolgatanga are March, April and May, with daily mean temperatures ranging from 31 to 33 °C (89 - 92 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 26 to 27 °C (80 - 81 °F) throughout the day. On average each year, Bolgatanga 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 Bolgatanga, Ghana.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
(103°F)		 42°C
(108°F)		 43°C
(109°F)		 41°C
(106°F)		 38°C
(100°F)		 35°C
(94°F)		 33°C
(91°F)		 34°C
(93°F)		 37°C
(100°F)		 39°C
(102°F)		 38°C
(101°F)
Mean maximum 37°C
(99°F)		 39°C
(103°F)		 41°C
(106°F)		 41°C
(106°F)		 39°C
(103°F)		 37°C
(98°F)		 34°C
(93°F)		 32°C
(90°F)		 33°C
(92°F)		 36°C
(97°F)		 38°C
(100°F)		 37°C
(99°F)
Average high 35°C
(95°F)		 37°C
(98°F)		 39°C
(102°F)		 38°C
(101°F)		 36°C
(97°F)		 33°C
(91°F)		 31°C
(88°F)		 30°C
(85°F)		 31°C
(87°F)		 33°C
(92°F)		 36°C
(97°F)		 35°C
(96°F)
Daily mean 28°C
(82°F)		 30°C
(87°F)		 33°C
(92°F)		 33°C
(92°F)		 31°C
(89°F)		 29°C
(84°F)		 27°C
(81°F)		 26°C
(80°F)		 27°C
(81°F)		 28°C
(83°F)		 29°C
(84°F)		 28°C
(82°F)
Average low 21°C
(70°F)		 24°C
(75°F)		 27°C
(81°F)		 28°C
(83°F)		 27°C
(81°F)		 25°C
(78°F)		 24°C
(76°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 22°C
(73°F)		 21°C
(70°F)
Mean minimum 18°C
(66°F)		 21°C
(70°F)		 24°C
(75°F)		 25°C
(77°F)		 24°C
(76°F)		 23°C
(74°F)		 23°C
(74°F)		 22°C
(72°F)		 22°C
(72°F)		 21°C
(71°F)		 20°C
(68°F)		 19°C
(67°F)
Minimum 16°C
(62°F)		 19°C
(67°F)		 22°C
(73°F)		 23°C
(74°F)		 23°C
(74°F)		 22°C
(72°F)		 23°C
(73°F)		 21°C
(70°F)		 22°C
(71°F)		 19°C
(67°F)		 19°C
(67°F)		 18°C
(65°F)

Compare climate in Bolgatanga with other places

Compare temperature, precipitation, sunshine, UV index in Bolgatanga, Ghana with other places around the world.

Monthly average precipitation in Bolgatanga, Ghana §

Bolgatanga usually has the most precipitation in July, August and September, with an average of 22 rainy days and 196 mm (7.7 inches) of precipitation per month.The driest months in Bolgatanga are January, November and December. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bolgatanga, Ghana.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) 3 (0.1) 5 (0.2) 17 (0.7) 37 (1.4) 66 (2.6) 138 (5.4) 254 (10.0) 195 (7.7) 69 (2.7) 2 (0.1) 0 (0.0)
Average precipitation days (≥ 1 mm) 0 0 1 4 9 12 22 26 18 9 0 0

Monthly sunshine hours in Bolgatanga, Ghana §

The sunniest months in Bolgatanga are March, May and December, when the sun shines an average of 10 hours 35 minutes a day.Least sunny months in Bolgatanga: January, August and September receive an average of 8 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bolgatanga, Ghana.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 265 295 321 319 335 309 300 266 285 315 320 327
Mean daily daylight hours 11h 33m 11h 46m 12h 3m 12h 21m 12h 36m 12h 43m 12h 40m 12h 26m 12h 9m 11h 51m 11h 36m 11h 29m

Solar UV radiation in Bolgatanga, Ghana §

Bolgatanga experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure.February, 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 Bolgatanga UV Index data.

Average daily maximum UV levels by month for Bolgatanga, Ghana.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) 11 11 12 13 12 13 13 14 14 12 10 9