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Monthly climate in Riobamba, Ecuador

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Riobamba features a oceanic climate (Cfb). Temperatures typically range between 8 °C (46 °F) and 9 °C (49 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 21 °C (70 °F). The average annual precipitation amounts to about 1557 mm (61.3 inches) and receives 257 rainy days on the 1 mm (0.04 inches) threshold annually. Riobamba enjoys an average of 2962 hours of sunshine throughout the year, and daylight varies from 12 hours 1 minutes to 12 hours 12 minutes per day.

Monthly average temperatures in Riobamba, Ecuador

The warmest months in Riobamba are February, April and December, with daily mean temperatures ranging from 9 to 9 °C (49 - 49 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 8 to 8 °C (46 - 47 °F) throughout the day. On average each year, Riobamba experiences 0 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Riobamba. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum18°C
(65°F)		18°C
(65°F)		18°C
(65°F)		18°C
(65°F)		18°C
(65°F)		17°C
(63°F)		18°C
(65°F)		19°C
(66°F)		20°C
(68°F)		21°C
(70°F)		19°C
(67°F)		19°C
(66°F)
Mean maximum17°C
(63°F)		17°C
(63°F)		17°C
(63°F)		17°C
(63°F)		17°C
(63°F)		16°C
(62°F)		17°C
(63°F)		18°C
(65°F)		19°C
(66°F)		19°C
(66°F)		18°C
(64°F)		17°C
(64°F)
Average high15°C
(58°F)		15°C
(59°F)		15°C
(59°F)		15°C
(59°F)		15°C
(59°F)		14°C
(58°F)		14°C
(57°F)		15°C
(59°F)		16°C
(61°F)		15°C
(60°F)		15°C
(58°F)		15°C
(58°F)
Daily mean9°C
(48°F)		9°C
(49°F)		9°C
(48°F)		9°C
(49°F)		9°C
(49°F)		8°C
(47°F)		8°C
(46°F)		8°C
(47°F)		9°C
(49°F)		9°C
(48°F)		9°C
(48°F)		9°C
(49°F)
Average low5°C
(40°F)		5°C
(41°F)		5°C
(41°F)		5°C
(41°F)		5°C
(41°F)		4°C
(39°F)		3°C
(37°F)		3°C
(37°F)		3°C
(38°F)		4°C
(40°F)		5°C
(41°F)		5°C
(41°F)
Mean minimum2°C
(35°F)		2°C
(36°F)		3°C
(37°F)		2°C
(36°F)		2°C
(35°F)		1°C
(34°F)		-0°C
(32°F)		0°C
(32°F)		0°C
(33°F)		1°C
(34°F)		2°C
(36°F)		3°C
(38°F)
Minimum1°C
(34°F)		-1°C
(30°F)		2°C
(35°F)		1°C
(34°F)		0°C
(33°F)		0°C
(32°F)		-1°C
(31°F)		-0°C
(31°F)		-1°C
(31°F)		0°C
(33°F)		0°C
(33°F)		2°C
(37°F)

Compare climate in Riobamba with other places

Compare temperature, precipitation, sunshine, UV index in Riobamba, Ecuador with other places around the world.

Monthly average precipitation in Riobamba, Ecuador

Riobamba usually has the most precipitation in February, March and April, with an average of 26 rainy days and 195 mm (7.7 inches) of precipitation per month. The driest months in Riobamba are July, August and September. On average, 51 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Riobamba. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)141 (5.5)172 (6.8)231 (9.1)182 (7.2)138 (5.4)100 (3.9)67 (2.6)40 (1.6)46 (1.8)116 (4.6)170 (6.7)154 (6.1)
Average precipitation days (≥ 1 mm)212428272420161012222627

Monthly sunshine hours in Riobamba, Ecuador

The sunniest months in Riobamba are July, August and September, when the sun shines an average of 10 hours 14 minutes a day. Least sunny months in Riobamba: March, April and November receive an average of 6 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Riobamba. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours203204196201245274319326297250201241
Mean daily daylight hours12h 11m12h 8m12h 6m12h 3m12h 1m12h 1m12h 1m12h 2m12h 5m12h 7m12h 10m12h 12m

Solar UV radiation in Riobamba, Ecuador

Riobamba experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 18 - 19, 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 15. For more detailed information, check out our hourly Riobamba UV Index data.

Average daily maximum UV levels by month for Riobamba. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)171819191714141517171615