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Monthly climate in Bartica, Guyana

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bartica features a tropical rainforest climate (Af). Temperatures typically range between 25 °C (78 °F) and 27 °C (81 °F) through the year, but rarely can drop to 21 °C (69 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 2592 mm (102.1 inches) and receives 302 rainy days on the 1 mm (0.04 inches) threshold annually. Bartica enjoys an average of 3424 hours of sunshine throughout the year, and daylight varies from 11 hours 44 minutes to 12 hours 28 minutes per day.

Monthly average temperatures in Bartica, Guyana

The warmest months in Bartica are August, September and October, with daily mean temperatures ranging from 27 to 27 °C (80 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 25 to 26 °C (78 - 78 °F) throughout the day. On average each year, Bartica 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 Bartica. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(88°F)		31°C
(88°F)		31°C
(89°F)		32°C
(91°F)		32°C
(89°F)		32°C
(89°F)		32°C
(91°F)		33°C
(92°F)		34°C
(93°F)		33°C
(92°F)		33°C
(91°F)		31°C
(87°F)
Mean maximum30°C
(86°F)		30°C
(87°F)		31°C
(88°F)		31°C
(89°F)		31°C
(88°F)		31°C
(88°F)		32°C
(89°F)		33°C
(91°F)		33°C
(92°F)		33°C
(91°F)		32°C
(90°F)		30°C
(87°F)
Average high29°C
(84°F)		28°C
(83°F)		29°C
(85°F)		29°C
(85°F)		29°C
(84°F)		29°C
(84°F)		30°C
(85°F)		31°C
(87°F)		31°C
(89°F)		31°C
(88°F)		30°C
(86°F)		29°C
(84°F)
Daily mean25°C
(78°F)		25°C
(78°F)		26°C
(78°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		27°C
(80°F)		27°C
(81°F)		27°C
(81°F)		26°C
(80°F)		26°C
(78°F)
Average low23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)
Mean minimum22°C
(71°F)		21°C
(70°F)		22°C
(71°F)		22°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		22°C
(73°F)
Minimum21°C
(69°F)		21°C
(69°F)		21°C
(70°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)		22°C
(71°F)		23°C
(74°F)		23°C
(74°F)		22°C
(73°F)		21°C
(71°F)

Compare climate in Bartica with other places

Compare temperature, precipitation, sunshine, UV index in Bartica, Guyana with other places around the world.

Monthly average precipitation in Bartica, Guyana

Bartica usually has the most precipitation in May, June and July, with an average of 29 rainy days and 360 mm (14.2 inches) of precipitation per month. The driest months in Bartica are January, February and March. On average, 114 mm (4.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bartica. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)131 (5.2)87 (3.4)123 (4.8)160 (6.3)349 (13.8)404 (15.9)327 (12.9)225 (8.9)140 (5.5)152 (6.0)242 (9.5)252 (9.9)
Average precipitation days (≥ 1 mm)212119212829302924252629

Monthly sunshine hours in Bartica, Guyana

The sunniest months in Bartica are March, August and September, when the sun shines an average of 10 hours 15 minutes a day. Least sunny months in Bartica: January, May and June receive an average of 8 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bartica. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours252281318297264230288314311311273278
Mean daily daylight hours11h 47m11h 54m12h 4m12h 15m12h 24m12h 28m12h 26m12h 18m12h 7m11h 57m11h 48m11h 44m

Solar UV radiation in Bartica, Guyana

Bartica experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. June, November and December are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly Bartica UV Index data.

Average daily maximum UV levels by month for Bartica. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)131415151413131313131212