Climate in Sierra

Average daytime and nighttime temperatures

All climate diagrams on this site result from the collected data from eight measuring weather stations in Sierra.
Weather stations at an altitude above 2690m have not been included.
All data correspond to the average monthly values of the last 20 years.

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Sierra is one of the coldest regions in Ecuador with an average daily high temperature of only 24 degrees. For 9 months, the average temperatures are over 25 degrees. Pleasant water temperatures of up to 25 degrees even invite you to bathe in the warm season.
Overview: Climate in Ecuador
Daylengths and sun positions in Ecuador
Compare climate with other regions or countries
Sunshine hours per day
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 4 hours per day, September is the sunniest month in the region of Sierra. In December, the sun shines the least.
Rain days per month
A rain day is a day on which at least 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 19 rain days, March offers the most rain days, while September has the fewest.
Precipitation amount in mm/day
The amount of precipitation is measured in millimeters per square meter. Thus, at two mm/day, two liters of water fall on one square meter within 24 hours. With only 2.3 mm, the least amount of rain falls in August. April, on the other hand, has the most rain.
Water temperatures in °C
Water temperature depends not only on solar radiation within the same region, but also on ocean currents. For example, depending on the season, cold or warm water masses are moved from other areas. The warmest water temperatures in Sierra are in April, when the water is 25 °C.
Relative humidity in %
Warm air can absorb more moisture than cold air. The relative humidity indicates how much moisture can be physically contained in the air. At high humidity, a person feels uncomfortable and perceives this as oppressive. In general, a relative humidity of 40-60% feels pleasant. With only 71% humidity on average, it is quite dry in December. The highest value of 79% is experienced here in February.
Absolute humidity in g/m³
In warm months, there is also a higher absolute humidity almost everywhere. At a temperature of 25°C, air can absorb up to 23 grams of water per cubic meter. At 20°C, it is only 17.3 grams. A relative humidity of 40% at 25°C thus corresponds to an absolute humidity of 9.2 grams of water. From a proportion of approx. 13.5 grams, humans perceive the air as muggy. This limit is only reached in a few months in Sierra, although these are always average values.
The "Humidex" (humidity index) is an index of well-being in warmer areas, calculated from the air temperature, relative humidity and dew point. The index corresponds approximately to the temperature felt. At high temperatures, the body transports heat away by sweating. At high humidity, the ambient air can only absorb a small amount of sweat and thus one feels uncomfortable. An index of 20-29 is considered comfortable. Up to 39, people perceive the air as slightly uncomfortable, and above 40, as very uncomfortable. Values above 45 are dangerous in the long run and often lead to heat stroke.
Climate charts for other regions in Ecuador

Map of Sierra

Most important cities in the region »Sierra«

As the capital region, it is arguably the most important part of Ecuador. The region has a west-east extension of about 250 km and over 580 km from north to south.

It consists of the eleven provinces Azuay, Bol, Ca, Carchi, Chimborazo, Cotopaxi, Imbabura, Loja, Pichincha, Santo Domingo de los Ts and Tungurahua.

CityPopulationGeo position
Quito2,011,3880° 13' 47"S78° 31' 30"W
Cuenca331,8882° 54' 2"S79° 0' 16"W
Santo Domingo de los Colorados228,3840° 15' 11"S79° 10' 31"W
Loja180,6173° 59' 35"S79° 12' 15"W
Ambato178,5381° 14' 57"S78° 37' 0"W
Riobamba156,7231° 40' 16"S78° 38' 50"W
Tutamandahostel140,0000° 11' 50"S78° 29' 51"W
Ibarra139,7210° 21' 6"N78° 7' 20"W
Tulcán86,4980° 48' 43"N77° 43' 2"W
Latacunga51,7170° 56' 7"S78° 36' 56"W
La Troncal36,3532° 25' 25"S79° 20' 23"W
Azogues34,8772° 44' 23"S78° 50' 55"W
Otavalo32,3300° 14' 4"N78° 15' 45"W
Cayambe26,5820° 2' 27"N78° 8' 43"W
Machachi25,7420° 30' 36"S78° 34' 2"W
Guaranda22,1991° 35' 33"S79° 0' 4"W
Catamayo18,5653° 59' 11"S79° 21' 33"W
Atuntaqui17,4560° 19' 57"N78° 12' 49"W
Gualaceo17,1222° 53' 34"S78° 46' 41"W
Cariamanga16,8624° 19' 41"S79° 33' 20"W
Pelileo16,5721° 19' 48"S78° 32' 36"W
La Maná16,4500° 56' 27"S79° 13' 30"W
Pujilí16,1680° 57' 27"S78° 41' 47"W
San Gabriel15,1120° 35' 35"N77° 49' 51"W
Alausí14,2942° 12' 12"S78° 50' 50"W
Macará13,0354° 22' 55"S79° 56' 37"W
Guano12,6591° 36' 28"S78° 37' 52"W
San Miguel12,5751° 42' 32"S79° 2' 35"W
Catacocha10,8724° 2' 59"S79° 38' 58"W
San Miguel de Salcedo10,8381° 2' 44"S78° 35' 26"W

Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants:, United Nations Statistics Division and own research.
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