Monthly climate in Tonate, French Guiana

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tonate features a tropical rainforest climate (Af). Temperatures typically range between 26 °C (78 °F) and 27 °C (82 °F) through the year, but rarely can drop to 22 °C (72 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 3155 mm (124.2 inches) and receives 285 rainy days on the 1 mm (0.04 inches) threshold annually. Tonate enjoys an average of 3566 hours of sunshine throughout the year, and daylight varies from 11 hours 49 minutes to 12 hours 23 minutes per day.

Monthly average temperatures in Tonate, French Guiana

The warmest months in Tonate are August, September and October, with daily mean temperatures ranging from 27 to 27 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 26 to 26 °C (78 - 79 °F) throughout the day. On average each year, Tonate 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 Tonate. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(86°F)
29°C
(85°F)
30°C
(87°F)
30°C
(87°F)
31°C
(88°F)
31°C
(88°F)
32°C
(89°F)
32°C
(90°F)
33°C
(91°F)
33°C
(91°F)
32°C
(90°F)
31°C
(87°F)
Mean maximum29°C
(85°F)
29°C
(85°F)
30°C
(86°F)
30°C
(86°F)
30°C
(87°F)
30°C
(86°F)
31°C
(88°F)
32°C
(90°F)
33°C
(91°F)
32°C
(90°F)
31°C
(89°F)
30°C
(86°F)
Average high28°C
(83°F)
28°C
(83°F)
28°C
(83°F)
28°C
(83°F)
28°C
(84°F)
29°C
(84°F)
29°C
(85°F)
31°C
(87°F)
31°C
(88°F)
31°C
(88°F)
30°C
(86°F)
28°C
(83°F)
Daily mean26°C
(78°F)
26°C
(79°F)
26°C
(79°F)
26°C
(79°F)
26°C
(79°F)
26°C
(79°F)
26°C
(79°F)
27°C
(81°F)
27°C
(82°F)
27°C
(82°F)
27°C
(80°F)
26°C
(79°F)
Average low24°C
(76°F)
24°C
(76°F)
24°C
(76°F)
24°C
(76°F)
24°C
(76°F)
24°C
(75°F)
24°C
(75°F)
24°C
(76°F)
24°C
(76°F)
24°C
(76°F)
24°C
(76°F)
24°C
(76°F)
Mean minimum23°C
(73°F)
23°C
(74°F)
23°C
(74°F)
23°C
(74°F)
24°C
(75°F)
23°C
(74°F)
23°C
(74°F)
23°C
(74°F)
23°C
(74°F)
24°C
(75°F)
24°C
(75°F)
23°C
(74°F)
Minimum22°C
(72°F)
23°C
(73°F)
23°C
(73°F)
23°C
(74°F)
23°C
(74°F)
23°C
(73°F)
23°C
(73°F)
23°C
(73°F)
23°C
(74°F)
23°C
(74°F)
23°C
(74°F)
23°C
(73°F)

Compare climate in Tonate with other places

Compare temperature, precipitation, sunshine, UV index in Tonate, French Guiana with other places around the world.

Monthly average precipitation in Tonate, French Guiana

Tonate usually has the most precipitation in April, May and June, with an average of 28 rainy days and 460 mm (18.1 inches) of precipitation per month. The driest months in Tonate are August, September and October. On average, 109 mm (4.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tonate. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)203 (8.0)172 (6.8)202 (7.9)377 (14.9)555 (21.9)447 (17.6)300 (11.8)150 (5.9)96 (3.8)80 (3.2)229 (9.0)343 (13.5)
Average precipitation days (≥ 1 mm)212224263029292014162529

Monthly sunshine hours in Tonate, French Guiana

The sunniest months in Tonate are August, September and October, when the sun shines an average of 11 hours 8 minutes a day. Least sunny months in Tonate: January, February and May receive an average of 8 hours 20 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tonate. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours244255311274259280330346337341300282
Mean daily daylight hours11h 51m11h 56m12h 4m12h 13m12h 20m12h 23m12h 21m12h 15m12h 7m11h 59m11h 52m11h 49m

Solar UV radiation in Tonate, French Guiana

Tonate experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 14 - 16, which corresponds to the Extreme category of sun exposure. June, July 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 Tonate UV Index data.

Average daily maximum UV levels by month for Tonate. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)131416161413121313131312