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Monthly climate in Dunmore Town, Harbour Island, Bahamas

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Dunmore Town features a tropical savanna climate (As).Temperatures typically range between 23 °C (73 °F) and 28 °C (83 °F) through the year, but rarely can drop to 16 °C (61 °F) or can rise to as high as 30 °C (86 °F).The average annual precipitation amounts to about 1006 mm (39.6 inches) and receives 155 rainy days on the 1 mm (0.04 inches) threshold annually.Dunmore Town enjoys an average of 3729 hours of sunshine throughout the year, and daylight varies from 10 hours 33 minutes to 13 hours 41 minutes per day.

Monthly average temperatures in Dunmore Town, Harbour Island, Bahamas §

The warmest months in Dunmore Town are July, August and September, with daily mean temperatures ranging from 28 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 23 to 23 °C (73 - 74 °F) throughout the day. On average each year, Dunmore Town experiences 203 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 Dunmore Town, Harbour Island, Bahamas.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 26°C
(78°F)		 25°C
(78°F)		 26°C
(79°F)		 28°C
(83°F)		 28°C
(82°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(86°F)		 29°C
(84°F)		 28°C
(82°F)		 27°C
(80°F)
Mean maximum 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°F)		 26°C
(80°F)		 27°C
(81°F)		 28°C
(83°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 27°C
(81°F)		 26°C
(79°F)
Average high 23°C
(74°F)		 24°C
(75°F)		 24°C
(75°F)		 25°C
(77°F)		 26°C
(79°F)		 28°C
(82°F)		 28°C
(84°F)		 29°C
(84°F)		 28°C
(83°F)		 28°C
(82°F)		 26°C
(79°F)		 25°C
(76°F)
Daily mean 23°C
(73°F)		 23°C
(74°F)		 23°C
(73°F)		 24°C
(76°F)		 25°C
(78°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(82°F)		 27°C
(81°F)		 25°C
(78°F)		 24°C
(75°F)
Average low 22°C
(72°F)		 23°C
(73°F)		 22°C
(72°F)		 23°C
(74°F)		 25°C
(76°F)		 26°C
(79°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 26°C
(79°F)		 25°C
(76°F)		 23°C
(74°F)
Mean minimum 18°C
(64°F)		 19°C
(67°F)		 19°C
(67°F)		 21°C
(70°F)		 23°C
(73°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(78°F)		 24°C
(76°F)		 22°C
(73°F)		 20°C
(68°F)
Minimum 16°C
(61°F)		 17°C
(63°F)		 18°C
(65°F)		 20°C
(68°F)		 22°C
(71°F)		 24°C
(75°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 23°C
(73°F)		 21°C
(69°F)		 18°C
(65°F)

Compare climate in Dunmore Town with other places

Compare temperature, precipitation, sunshine, UV index in Dunmore Town, Harbour Island, Bahamas with other places around the world.

Monthly average precipitation in Dunmore Town, Harbour Island, Bahamas §

Dunmore Town usually has the most precipitation in May, September and October, with an average of 16 rainy days and 141 mm (5.5 inches) of precipitation per month.The driest months in Dunmore Town are February, March and December. On average, 35 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Dunmore Town, Harbour Island, Bahamas.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) 48 (1.9) 39 (1.6) 25 (1.0) 52 (2.0) 116 (4.6) 87 (3.4) 107 (4.2) 101 (4.0) 175 (6.9) 131 (5.2) 83 (3.3) 42 (1.7)
Average precipitation days (≥ 1 mm) 8 8 6 10 13 17 17 17 19 18 13 9

Monthly sunshine hours in Dunmore Town, Harbour Island, Bahamas §

The sunniest months in Dunmore Town are May, July and August, when the sun shines an average of 11 hours 16 minutes a day.Least sunny months in Dunmore Town: January, February and December receive an average of 8 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Dunmore Town, Harbour Island, Bahamas.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 213 280 326 336 341 336 356 350 313 310 281 280
Mean daily daylight hours 10h 44m 11h 17m 12h 1m 12h 46m 13h 23m 13h 41m 13h 31m 12h 58m 12h 15m 11h 31m 10h 52m 10h 33m

Solar UV radiation in Dunmore Town, Harbour Island, Bahamas §

Dunmore Town experiences the highest level of ultraviolet (UV) radiation in April, June and August, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure.January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Dunmore Town UV Index data.

Average daily maximum UV levels by month for Dunmore Town, Harbour Island, Bahamas.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) 6 9 11 12 12 13 12 12 11 10 8 6