Climate and monthly weather forecastRiobamba, Ecuador
Climate and monthly weather forecast
The climate of Riobamba
Situated in the mountainous region of Ecuador, the city of Riobamba rests in the predominantly Cfb climate according to the Köppen climate classification system, known as a marine west coast climate, with pleasant summers. This marine west coast climate exhibits comfortable, moderate temperatures throughout the year. Nevertheless, certain weather factors, including rainfall and temperatures, shift according to the changing seasons.A review of the annual temperature range indicates remarkably consistent figures, with high temperatures in all months fluctuating from 11.8°C (53.2°F) to 13.6°C (56.5°F), and low temperatures ranging from 3.8°C (38.8°F) to 6.4°C (43.5°F). Humidity levels remain fairly constant year-round, standing around 85%. Rainfall varies throughout the months, with the highest precipitation in March of 223mm (8.78") and the lowest in August at 46mm (1.81").
There is an observable distinction between months when it comes to snowfall, with heavier snow in winter, in December measuring 96mm (3.78"), and lesser measures in late summer, falling to as low as 18mm (0.71") in September. Similarly, daylight duration and sunshine hours remain in a close range throughout the year, from 12 hours to 12.2 hours of daylight and 6.6 hours to 9.5 hours of sunshine. The range of UV index moves between 2 and 3 indicating a generally low UV radiation levels.
The best time to visit Riobamba
Considering all climatic variables, the most favorable period to visit Riobamba would align with the city's lower rainfall, higher sunshine hours, and balanced temperatures. These conditions occur around the time of August, when rainfall decreases to 46mm (1.81") and sunshine hours peak at 8.7 hours per day. Moreover, the temperature rests at a comfortable high of 12.5°C (54.5°F) and a low of 3.8°C (38.8°F), providing a weather condition that is comfortable yet not overly hot or cold.The worst time to visit Riobamba
On the other hand, March might prove less desirable for travelers seeking to avoid high rainfall rates, as it records the highest precipitation levels of 223mm (8.78"). Additionally, it offers limited sunshine at 7.2 hours per day and has higher humidity at 87%. Hence, although its temperatures remain agreeable at a high of 13°C (55.4°F) and a low of 6.4°C (43.5°F), frequent precipitation, high humidity levels, and reduced sunshine hours may detract from the outdoor exploration experience.Spring weather in Riobamba
Springtime in Riobamba, specifically from March to May, corresponds with a period of ample rainfall and moderate temperatures. Rainfall hits its highest peak in March at 223mm (8.78") and gradually decreases to 151mm (5.94") by May. Meanwhile, average high temperatures in this season hover around 13°C (55.4°F), with minimum temperatures averaging from 6.4°C (43.5°F) to 5.8°C (42.4°F). Days still have ample daylight at 12.1 hours to 12 hours.Summer weather in Riobamba
The summer months of June, July, and August present a shift in Riobamba's weather pattern. Rainfall decreases significantly, particularly in August, when it measures only 46mm (1.81"). High temperatures range from 12.1°C (53.8°F) to 12.5°C (54.5°F) and humidity declines slightly. Additionally, there's a notable increase in sunshine hours, reaching up to 8.7 hours in August, offering longer sunny days for exploring Riobamba's landscape.Autumn weather in Riobamba
Autumn in Riobamba, from September to November, experiences an increase in rainfall, peaking at 179mm (7.05") in November. Nevertheless, there persists a consistency in temperature levels with highs from 13.3°C (55.9°F) to 13.6°C (56.5°F) and lows from 4.5°C (40.1°F) to 5.8°C (42.4°F). Sunshine hours decrease slightly, yet the city retains long daylight hours of approximately 12.2 hours per day.Winter weather in Riobamba
Winter, from December to February, in Riobamba, exhibits higher snowfall levels, especially in December with 96mm (3.78") but corresponds with comparatively lower rainfall from 155mm (6.1") to 160mm (6.3"). Daylight duration sustains around 12.2 hours, while sunshine hours decrease. temperatures retain their moderate range with highs around 12.6°C (54.7°F), and lows vary from 5.4°C (41.7°F) to 6.4°C (43.5°F), contributing to chilly but not freezing conditions.Weather in January
The New Year in Riobamba, Ecuador, brings with it relatively cool temperatures and a high chance of rainfall. The high amount of cloud cover, reaching around 47% in January, usually leads to damp, overcast conditions. Despite acidic rainfall from 160mm (6.3") to 187mm (7.36"), the city experiences fallen snow peaking at 106mm (4.17") in days characterized with approximately 3.8 days of snowfall. Weather in January »Weather in February
In Riobamba, Ecuador, the weather conditions in February slightly improve from January. Although there is still a significant amount of cloud cover, there is a marginal drop in the relative humidity. Snowfall reaches up to 55mm (2.17") during February on about 2.3 days, a mild reduction from January's snowy days. Weather in February »Weather in March
As the city of Riobamba, Ecuador moves into March, the rainfall intensifies, reaching up to 223mm (8.78"), coupled with higher humidity levels peaking at 87%. Though it is a month characterized by frequent rain showers, the frequency of snowy days remains constant from February, maintaining the cool weather patterns. Weather in March »Weather in April
April's weather in Riobamba, Ecuador is defined by steady patterns, with a minor reduction in rainfall from March’s peak. The amount of snowfall increases mildly, reaching 56mm (2.2"), showing a subtle hint of more wintry weather. Weather in April »Weather in May
In Riobamba, Ecuador, May brings a reprieve from the prevalent rainy weather. There is a noticeable decrease in both rainfall and snowfall compared to April, with the snow accumulating up to 66mm (2.6"). Despite the persistent high cloud cover, the amount of sunshine hours sees a slight increase, bringing more brightness to the city. Weather in May »Weather in June
June in Riobamba, Ecuador continues the reducing trend of rainfall and snowfall. Despite 65mm (2.56") snowfall accumulated during about 3.6 snowy days, a notable decrease in the relative humidity brings a dry touch to the climatic equation. Weather in June »Weather in July
Despite being in the heart of the year, Riobamba, Ecuador experiences cooler temperatures in July, accompanied by the year’s lowest rainfall. The frequency and amount of snowfall reduce from June to just 22mm (0.87"), marking a distinct dry spell in the city's weather. Weather in July »Weather in August
Mid-year in Riobamba, Ecuador, poses a continuation of the weather experienced in July. A slight decrease in wind speed complements the relative temperatures and the least rainfall recorded in the year. Snowfall drops mildly in August, only amounting to 19mm (0.75") of snowy precipitation on an estimated number of 2.3 days. Weather in August »Weather in September
The weather in September in Riobamba, Ecuador witnesses a small uptick in rainfall from the drier August. Despite this increase, the amount of snowfall remains steady at 18mm (0.71"), confirming September as the month with the year's least snowfall. Weather in September »Weather in October
Entering the last quarter of the year, Riobamba, Ecuador experiences a sharp rise in rainfall in October, almost tripling that of September. Despite the sudden shift to a wetter climate, the degree of snowfall only mildly increases from the previous month to 58mm (2.28"). Weather in October »Weather in November
In November, the city of Riobamba, Ecuador, endures increased rainfall, coming in second only to the highest rainfall month, March. Despite the wet conditions, snowfall records an upward tick at 92mm (3.62"), more than October, but lesser than the start of the year. Weather in November »Weather in December
Riobamba, Ecuador, concludes the year in a festive cloud of cooler temperatures and persisting rainfall. The snowfall retreats slightly from the November peak, recording 96mm (3.78") in December. The windy conditions from the past months have dissipated considerably, maintaining an average speed. Weather in December »Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Throughout the year, there are 327.5 rainfall days, and 1706mm (67.17") of precipitation is accumulated.
January through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 3.8 days and accumulates 106mm (4.17") of snow.
Throughout the year, in Riobamba, Ecuador, there are 37.4 snowfall days, and 694mm (27.32") of snow is accumulated.
The months with the highest UV index in Riobamba are January, March, May, June, August through October, with an average maximum UV index of 3.
The months with the lowest UV index are February, April, July, November and December, with an average maximum UV index of 2.
March is the month with the most rainfall in Riobamba, Ecuador. Rain falls for 30.8 days and accumulates 223mm (8.78") of precipitation.
April is the most humid month in Riobamba, Ecuador, with an average relative humidity of 88%.
The month with the least sunshine in Riobamba is April, with an average of 6.6h of sunshine.
June has the shortest days of the year, with an average of 12h and 0min of daylight.
Riobamba reaches its average lowest temperatures in July, measuring 11.8°C (53.2°F) at the peak and 4.3°C (39.7°F) at the lowest.
August is the month with the least rainfall in Riobamba. Rain falls for 20.9 days and accumulates 46mm (1.81") of precipitation.
September is the least humid month in Riobamba, Ecuador, with an average relative humidity of 81%.
The month with the least snowfall is September, when snow falls for 2.4 days and typically aggregates up to 18mm (0.71") of snow.
October and November are characterised by peak temperatures, with an average high of 13.6°C (56.5°F).
With an average of 9.5h of sunshine, October has the most sunshine of the year in Riobamba, Ecuador.
The month with the longest days in Riobamba is December, with an average of 12h and 12min of daylight.
Riobamba, Ecuador, does not observe Daylight Saving Time (DST). -05 timezone is used over the entire year.
Average temperature
Riobamba, Ecuador
The warmest months (with the highest average high temperature) are October and November (13.6°C).
The month with the lowest average high temperature is July (11.8°C).
The months with the highest average low temperature are February and March (6.4°C).
The coldest month (with the lowest average low temperature) is August (3.8°C).
Average pressure
Riobamba, Ecuador
- Average pressure in January:
1013.6mbar - Average pressure in February:
1013.4mbar - Average pressure in March:
1013.8mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1014.8mbar - Average pressure in June:
1015.6mbar
- Average pressure in July:
1015.7mbar - Average pressure in August:
1015.5mbar - Average pressure in September:
1014.9mbar - Average pressure in October:
1013.8mbar - Average pressure in November:
1012.8mbar - Average pressure in December:
1013.1mbar
The month with the highest atmospheric pressure is July (1015.7mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed
Riobamba, Ecuador
- Average wind speed in January:
6km/h - Average wind speed in February:
5.4km/h - Average wind speed in March:
5.5km/h - Average wind speed in April:
5.9km/h - Average wind speed in May:
6.7km/h - Average wind speed in June:
8.4km/h
- Average wind speed in July:
8.9km/h - Average wind speed in August:
8.9km/h - Average wind speed in September:
8.3km/h - Average wind speed in October:
6.4km/h - Average wind speed in November:
5.1km/h - Average wind speed in December:
5.9km/h
The windiest months (with the highest average wind speed) are July and August (8.9km/h).
The calmest month (with the lowest average wind speed) is November (5.1km/h).
Average humidity
Riobamba, Ecuador
The month with the highest relative humidity is April (88%).
The month with the lowest relative humidity is September (81%).
Average rainfall
Riobamba, Ecuador
- Average rainfall in January:
160mm - Average rainfall in February:
187mm - Average rainfall in March:
223mm - Average rainfall in April:
215mm - Average rainfall in May:
151mm - Average rainfall in June:
99mm
The wettest month (with the highest rainfall) is March (223mm).
The driest month (with the least rainfall) is August (46mm).
Average rainfall days
Riobamba, Ecuador
- Average rainfall days in January:
29.1 days - Average rainfall days in February:
27.4 days - Average rainfall days in March:
30.8 days - Average rainfall days in April:
29.7 days - Average rainfall days in May:
30.3 days - Average rainfall days in June:
25.8 days
- Average rainfall days in July:
21.8 days - Average rainfall days in August:
20.9 days - Average rainfall days in September:
23.6 days - Average rainfall days in October:
29.3 days - Average rainfall days in November:
28.9 days - Average rainfall days in December:
29.9 days
The month with the highest number of rainy days is March (30.8 days).
The month with the least rainy days is August (20.9 days).
Average snowfall
Riobamba, Ecuador
The month with the highest snowfall is January (106mm).
The month with the least snowfall is September (18mm).
Average snowfall days
Riobamba, Ecuador
- Average snowfall days in January:
3.8 days - Average snowfall days in February:
2.3 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
3.6 days - Average snowfall days in June:
3.6 days
- Average snowfall days in July:
2.8 days - Average snowfall days in August:
2.3 days - Average snowfall days in September:
2.4 days - Average snowfall days in October:
3 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is December (4.5 days).
The months with the least snowfall days are February, March and August (2.3 days).
Average daylight / Average sunshine
Riobamba, Ecuador
- Average daylight in January:
12h and 12min - Average daylight in February:
12h and 12min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 6min - Average daylight in May:
12h and 0min - Average daylight in June:
12h and 0min
- Average daylight in July:
12h and 0min - Average daylight in August:
12h and 6min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 12min - Average daylight in November:
12h and 12min - Average daylight in December:
12h and 12min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in January:
7h and 48min - Average sunshine in February:
7h and 18min - Average sunshine in March:
7h and 12min - Average sunshine in April:
6h and 36min - Average sunshine in May:
7h and 24min - Average sunshine in June:
7h and 48min
- Average sunshine in July:
8h and 0min - Average sunshine in August:
8h and 42min - Average sunshine in September:
8h and 48min - Average sunshine in October:
9h and 30min - Average sunshine in November:
9h and 18min - Average sunshine in December:
7h and 42min
The month with the most sunshine is October (Average sunshine: 9h and 30min).
The month with the least sunshine is April (Average sunshine: 6h and 36min).
Average sunshine days
Riobamba, Ecuador
- Average sunshine days in January:
0.2 days - Average sunshine days in February:
0.2 days - Average sunshine days in March:
0.1 days - Average sunshine days in April:
0 days - Average sunshine days in May:
0.6 days - Average sunshine days in June:
1 days
- Average sunshine days in July:
4.8 days - Average sunshine days in August:
4.8 days - Average sunshine days in September:
3.5 days - Average sunshine days in October:
0.3 days - Average sunshine days in November:
0.1 days - Average sunshine days in December:
0.3 days
The months with the most sunshine days are July and August (4.8 days).
The month with the least sunshine days is April (0 days).
Average UV index
Riobamba, Ecuador
The months with the highest UV index are January, March, May, June, August, September and October (UV index 3).
The months with the lowest UV index are February, April, July, November and December (UV index 2).
Average cloud cover
Riobamba, Ecuador
The month with the most cloud cover is April (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility
Riobamba, Ecuador
The months with the highest visibility are August and September (9km).
The months with the lowest visibility are April, May and December (7km).
