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Monthly climate in Old Road, Antigua and Barbuda

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Old Road features a tropical rainforest climate (Af). Temperatures typically range between 25 °C (77 °F) and 28 °C (82 °F) through the year, but rarely can drop to 22 °C (72 °F) or can rise to as high as 29 °C (85 °F). The average annual precipitation amounts to about 817 mm (32.2 inches) and receives 191 rainy days on the 1 mm (0.04 inches) threshold annually. Old Road enjoys an average of 3935 hours of sunshine throughout the year, and daylight varies from 11 hours 7 minutes to 13 hours 7 minutes per day.

Monthly average temperatures in Old Road, Antigua and Barbuda

The warmest months in Old Road are August, September and October, with daily mean temperatures ranging from 27 to 28 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 25 to 25 °C (77 - 78 °F) throughout the day. On average each year, Old Road experiences 321 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 Old Road. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum27°C
(80°F)		26°C
(80°F)		26°C
(80°F)		27°C
(82°F)		28°C
(82°F)		28°C
(83°F)		29°C
(84°F)		29°C
(84°F)		29°C
(85°F)		29°C
(85°F)		28°C
(83°F)		28°C
(82°F)
Mean maximum27°C
(80°F)		26°C
(79°F)		26°C
(79°F)		27°C
(80°F)		27°C
(81°F)		28°C
(82°F)		28°C
(83°F)		28°C
(84°F)		29°C
(84°F)		29°C
(84°F)		28°C
(82°F)		27°C
(81°F)
Average high26°C
(79°F)		25°C
(78°F)		26°C
(78°F)		26°C
(79°F)		27°C
(80°F)		27°C
(81°F)		28°C
(82°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		27°C
(81°F)		26°C
(80°F)
Daily mean25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)		26°C
(79°F)		27°C
(80°F)		27°C
(81°F)		27°C
(82°F)		28°C
(82°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)
Average low24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		25°C
(77°F)		25°C
(78°F)		26°C
(79°F)		26°C
(80°F)		27°C
(80°F)		27°C
(80°F)		26°C
(80°F)		26°C
(79°F)		25°C
(77°F)
Mean minimum23°C
(74°F)		23°C
(73°F)		23°C
(74°F)		24°C
(75°F)		24°C
(76°F)		25°C
(77°F)		25°C
(78°F)		26°C
(78°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		24°C
(75°F)
Minimum23°C
(73°F)		22°C
(72°F)		23°C
(73°F)		23°C
(74°F)		24°C
(75°F)		24°C
(76°F)		25°C
(78°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)

Compare climate in Old Road with other places

Compare temperature, precipitation, sunshine, UV index in Old Road, Antigua and Barbuda with other places around the world.

Monthly average precipitation in Old Road, Antigua and Barbuda

Old Road usually has the most precipitation in August, September and October, with an average of 19 rainy days and 116 mm (4.6 inches) of precipitation per month. The driest months in Old Road are January, February and March. On average, 34 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Old Road. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)34 (1.4)36 (1.4)31 (1.2)38 (1.5)49 (1.9)52 (2.0)81 (3.2)97 (3.8)144 (5.7)109 (4.3)94 (3.7)52 (2.1)
Average precipitation days (≥ 1 mm)121411141514191821181718

Monthly sunshine hours in Old Road, Antigua and Barbuda

The sunniest months in Old Road are May, July and August, when the sun shines an average of 11 hours 29 minutes a day. Least sunny months in Old Road: January, February and November receive an average of 9 hours 41 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Old Road. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours262302347342357338360351320318307325
Mean daily daylight hours11h 13m11h 34m12h 2m12h 31m12h 55m13h 7m13h 0m12h 39m12h 12m11h 43m11h 19m11h 7m

Solar UV radiation in Old Road, Antigua and Barbuda

Old Road experiences the highest level of ultraviolet (UV) radiation in April, July and September, 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 9. For more detailed information, check out our hourly Old Road UV Index data.

Average daily maximum UV levels by month for Old Road. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)911131313131413131299