nomadseason

Monthly climate in Tumbes, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tumbes features a hot semi-arid climate (BSh). Temperatures typically range between 23 °C (74 °F) and 27 °C (81 °F) through the year, but rarely can drop to 18 °C (65 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 683 mm (26.9 inches) and receives 87 rainy days on the 1 mm (0.04 inches) threshold annually. Tumbes enjoys an average of 3693 hours of sunshine throughout the year, and daylight varies from 11 hours 54 minutes to 12 hours 18 minutes per day.

Monthly average temperatures in Tumbes, Peru

The warmest months in Tumbes are February, March and April, with daily mean temperatures ranging from 27 to 27 °C (80 - 81 °F) throughout the day. The coldest temperatures usually occur in August, September and October, when daily mean temperatures range from 23 to 24 °C (74 - 75 °F) throughout the day. On average each year, Tumbes experiences 325 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 Tumbes. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(93°F)		33°C
(92°F)		32°C
(90°F)		33°C
(91°F)		32°C
(90°F)		32°C
(89°F)		29°C
(85°F)		29°C
(85°F)		29°C
(84°F)		30°C
(86°F)		32°C
(89°F)		32°C
(90°F)
Mean maximum32°C
(90°F)		32°C
(90°F)		32°C
(89°F)		32°C
(90°F)		31°C
(88°F)		30°C
(87°F)		29°C
(84°F)		29°C
(84°F)		28°C
(83°F)		29°C
(85°F)		30°C
(86°F)		31°C
(88°F)
Average high30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		29°C
(84°F)		28°C
(83°F)		27°C
(81°F)		27°C
(80°F)		27°C
(81°F)		27°C
(81°F)		27°C
(82°F)		29°C
(84°F)
Daily mean26°C
(80°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		25°C
(77°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		25°C
(78°F)
Average low24°C
(75°F)		25°C
(77°F)		25°C
(76°F)		24°C
(76°F)		24°C
(75°F)		22°C
(73°F)		21°C
(70°F)		20°C
(69°F)		21°C
(69°F)		21°C
(70°F)		21°C
(71°F)		23°C
(73°F)
Mean minimum23°C
(73°F)		24°C
(75°F)		23°C
(75°F)		23°C
(74°F)		22°C
(72°F)		22°C
(71°F)		20°C
(68°F)		19°C
(67°F)		20°C
(67°F)		20°C
(68°F)		20°C
(68°F)		21°C
(70°F)
Minimum21°C
(70°F)		23°C
(74°F)		23°C
(74°F)		22°C
(73°F)		21°C
(71°F)		20°C
(69°F)		19°C
(67°F)		18°C
(65°F)		19°C
(66°F)		19°C
(66°F)		18°C
(65°F)		20°C
(68°F)

Compare climate in Tumbes with other places

Compare temperature, precipitation, sunshine, UV index in Tumbes, Peru with other places around the world.

Monthly average precipitation in Tumbes, Peru

Tumbes usually has the most precipitation in February, March and April, with an average of 16 rainy days and 162 mm (6.4 inches) of precipitation per month. The driest months in Tumbes are August, September and November. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tumbes. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)65 (2.6)162 (6.4)239 (9.4)85 (3.3)43 (1.7)12 (0.5)10 (0.4)3 (0.1)4 (0.1)16 (0.6)10 (0.4)34 (1.4)
Average precipitation days (≥ 1 mm)1219201172201328

Monthly sunshine hours in Tumbes, Peru

The sunniest months in Tumbes are July, August and September, when the sun shines an average of 10 hours 51 minutes a day. Least sunny months in Tumbes: January, February and March receive an average of 8 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tumbes. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours250265282302314314336336326324319320
Mean daily daylight hours12h 17m12h 12m12h 6m12h 0m11h 56m11h 54m11h 55m11h 59m12h 4m12h 10m12h 15m12h 18m

Solar UV radiation in Tumbes, Peru

Tumbes experiences the highest level of ultraviolet (UV) radiation in March, April and September, when the maximum UV index can reach values of 14 - 15, 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 12. For more detailed information, check out our hourly Tumbes UV Index data.

Average daily maximum UV levels by month for Tumbes. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141415151311111214131312