Monthly climate in Yallahs, St. Thomas, Jamaica

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Yallahs features a tropical savanna climate (Aw).Temperatures typically range between 25 °C (78 °F) and 28 °C (82 °F) through the year, but rarely can drop to 22 °C (73 °F) or can rise to as high as 30 °C (86 °F).The average annual precipitation amounts to about 1104 mm (43.5 inches) and receives 171 rainy days on the 1 mm (0.04 inches) threshold annually.Yallahs enjoys an average of 3841 hours of sunshine throughout the year, and daylight varies from 11 hours 3 minutes to 13 hours 10 minutes per day.

Monthly average temperatures in Yallahs, St. Thomas, Jamaica §

The warmest months in Yallahs are July, August and September, with daily mean temperatures ranging from 27 to 28 °C (82 - 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 (78 - 78 °F) throughout the day. On average each year, Yallahs experiences 324 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 Yallahs, St. Thomas, Jamaica.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 28°C
(82°F)
27°C
(80°F)
27°C
(81°F)
27°C
(82°F)
28°C
(83°F)
29°C
(84°F)
29°C
(85°F)
30°C
(85°F)
30°C
(86°F)
29°C
(85°F)
29°C
(84°F)
28°C
(82°F)
Mean maximum 27°C
(81°F)
26°C
(80°F)
27°C
(80°F)
27°C
(81°F)
28°C
(82°F)
28°C
(83°F)
29°C
(84°F)
29°C
(85°F)
29°C
(85°F)
29°C
(84°F)
28°C
(83°F)
27°C
(82°F)
Average high 26°C
(79°F)
26°C
(79°F)
26°C
(79°F)
26°C
(80°F)
27°C
(81°F)
28°C
(82°F)
28°C
(83°F)
28°C
(83°F)
28°C
(83°F)
28°C
(82°F)
27°C
(81°F)
27°C
(80°F)
Daily mean 25°C
(78°F)
25°C
(78°F)
25°C
(78°F)
26°C
(79°F)
26°C
(80°F)
27°C
(81°F)
27°C
(82°F)
28°C
(82°F)
28°C
(82°F)
27°C
(81°F)
27°C
(80°F)
26°C
(79°F)
Average low 25°C
(77°F)
25°C
(76°F)
24°C
(76°F)
25°C
(77°F)
26°C
(78°F)
26°C
(79°F)
27°C
(80°F)
27°C
(80°F)
27°C
(81°F)
26°C
(79°F)
26°C
(79°F)
25°C
(78°F)
Mean minimum 23°C
(74°F)
23°C
(74°F)
23°C
(74°F)
24°C
(75°F)
24°C
(76°F)
25°C
(78°F)
25°C
(78°F)
25°C
(78°F)
25°C
(78°F)
25°C
(77°F)
25°C
(77°F)
24°C
(76°F)
Minimum 23°C
(74°F)
23°C
(74°F)
22°C
(73°F)
23°C
(74°F)
23°C
(75°F)
25°C
(77°F)
25°C
(78°F)
25°C
(77°F)
25°C
(77°F)
25°C
(77°F)
24°C
(76°F)
23°C
(74°F)

Compare climate in Yallahs with other places

Compare temperature, precipitation, sunshine, UV index in Yallahs, St. Thomas, Jamaica with other places around the world.

Monthly average precipitation in Yallahs, St. Thomas, Jamaica §

Yallahs usually has the most precipitation in August, October and November, with an average of 18 rainy days and 176 mm (6.9 inches) of precipitation per month.The driest months in Yallahs are January, February and March. On average, 37 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Yallahs, St. Thomas, Jamaica.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) 40 (1.6) 39 (1.5) 32 (1.3) 53 (2.1) 125 (4.9) 76 (3.0) 56 (2.2) 138 (5.4) 102 (4.0) 241 (9.5) 149 (5.9) 53 (2.1)
Average precipitation days (≥ 1 mm) 10 14 11 10 17 16 12 16 14 23 16 12

Monthly sunshine hours in Yallahs, St. Thomas, Jamaica §

The sunniest months in Yallahs are March, April and July, when the sun shines an average of 11 hours 23 minutes a day.Least sunny months in Yallahs: January, October and November receive an average of 9 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Yallahs, St. Thomas, Jamaica.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 252 304 347 344 330 340 355 341 319 297 289 318
Mean daily daylight hours 11h 10m 11h 33m 12h 2m 12h 32m 12h 57m 13h 10m 13h 3m 12h 41m 12h 12m 11h 42m 11h 16m 11h 3m

Solar UV radiation in Yallahs, St. Thomas, Jamaica §

Yallahs experiences the highest level of ultraviolet (UV) radiation in April, May 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 9. For more detailed information, check out our hourly Yallahs UV Index data.

Average daily maximum UV levels by month for Yallahs, St. Thomas, Jamaica.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) 9 11 13 14 14 13 13 13 12 12 9 8