Monthly climate in Jatai, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Jatai features a tropical savanna climate (Aw). Temperatures typically range between 20 °C (68 °F) and 26 °C (79 °F) through the year, but rarely can drop to 3 °C (37 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 1246 mm (49.1 inches) and receives 148 rainy days on the 1 mm (0.04 inches) threshold annually. Jatai enjoys an average of 3654 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 Jatai, Brazil

The warmest months in Jatai are September, October and December, with daily mean temperatures ranging from 24 to 26 °C (76 - 79 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 20 to 21 °C (68 - 70 °F) throughout the day. On average each year, Jatai experiences 311 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 Jatai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(93°F)
34°C
(93°F)
33°C
(92°F)
32°C
(90°F)
31°C
(88°F)
31°C
(88°F)
31°C
(89°F)
35°C
(95°F)
38°C
(101°F)
40°C
(104°F)
35°C
(95°F)
35°C
(95°F)
Mean maximum32°C
(91°F)
32°C
(90°F)
32°C
(90°F)
31°C
(88°F)
30°C
(87°F)
30°C
(87°F)
31°C
(88°F)
34°C
(94°F)
37°C
(99°F)
36°C
(97°F)
33°C
(92°F)
33°C
(91°F)
Average high29°C
(84°F)
29°C
(85°F)
29°C
(85°F)
29°C
(84°F)
28°C
(82°F)
28°C
(82°F)
28°C
(82°F)
30°C
(86°F)
33°C
(92°F)
31°C
(89°F)
29°C
(85°F)
29°C
(85°F)
Daily mean24°C
(76°F)
24°C
(76°F)
24°C
(75°F)
23°C
(74°F)
21°C
(70°F)
21°C
(70°F)
20°C
(68°F)
23°C
(73°F)
26°C
(79°F)
25°C
(78°F)
24°C
(76°F)
24°C
(76°F)
Average low20°C
(69°F)
20°C
(69°F)
20°C
(68°F)
19°C
(66°F)
16°C
(61°F)
15°C
(60°F)
14°C
(57°F)
16°C
(61°F)
19°C
(67°F)
20°C
(69°F)
20°C
(68°F)
20°C
(69°F)
Mean minimum19°C
(66°F)
19°C
(66°F)
18°C
(65°F)
15°C
(59°F)
11°C
(51°F)
12°C
(54°F)
7°C
(46°F)
11°C
(51°F)
15°C
(60°F)
17°C
(64°F)
18°C
(64°F)
18°C
(65°F)
Minimum18°C
(64°F)
18°C
(65°F)
15°C
(60°F)
11°C
(51°F)
5°C
(41°F)
8°C
(47°F)
3°C
(37°F)
8°C
(46°F)
11°C
(52°F)
15°C
(59°F)
15°C
(60°F)
17°C
(63°F)

Compare climate in Jatai with other places

Compare temperature, precipitation, sunshine, UV index in Jatai, Brazil with other places around the world.

Monthly average precipitation in Jatai, Brazil

Jatai usually has the most precipitation in February, November and December, with an average of 22 rainy days and 206 mm (8.1 inches) of precipitation per month. The driest months in Jatai are June, July and August. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Jatai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)157 (6.2)211 (8.3)173 (6.8)92 (3.6)30 (1.2)4 (0.1)1 (0.0)9 (0.4)24 (1.0)137 (5.4)203 (8.0)205 (8.1)
Average precipitation days (≥ 1 mm)1924231150014172123

Monthly sunshine hours in Jatai, Brazil

The sunniest months in Jatai are July, August and September, when the sun shines an average of 10 hours 30 minutes a day. Least sunny months in Jatai: January, February and November receive an average of 9 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Jatai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours249280315306311302322321323314299305
Mean daily daylight hours13h 2m12h 39m12h 9m11h 39m11h 15m11h 3m11h 9m11h 31m11h 59m12h 29m12h 56m13h 10m

Solar UV radiation in Jatai, Brazil

Jatai experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 16 - 17, which corresponds to the Extreme category of sun exposure. May, June and July are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Jatai UV Index data.

Average daily maximum UV levels by month for Jatai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1616141210891112151517