Satellite: Sentinel-2 cloudless 2016 by EOX IT Services GmbH · CC BY 4.0 · Contains modified Copernicus Sentinel data 2016
Climate guideThirty-year normals for Riobamba
Riobamba climate by month
Oceanic · CfbBest Aug–Oct
Annual mean12°day and night
Seasonal swing2°warmest vs coolest
Precipitation1,013 mm267 wet days a year
1.67° S, 78.66° WElevation 2,777 mUTC−5 · Ecuador Time
When to goRiobamba · weather score
Best timeAug–Oct
October: high / low17° / 7°
iSummary
What the weather is like
Riobamba has an oceanic climate (Köppen Cfb): rain spread through the year and no real dry season.
The warmest month is September, when afternoons average 18° and nights 7°. July is the coolest month, with highs of 16° and lows of 6°. The difference between the warmest and the coolest month is about 2°, a small seasonal swing typical of places tempered by the sea.
About 1,013 mm of precipitation falls in an average year. March is the wettest month (122 mm, 25 wet days) and September the driest (54 mm, 18 wet days). Cloud cover ranges from 48% in August to 70% in March.
Compared with Quito, the capital, Riobamba is 0.5° warmer on a September afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 18° · September
- Coldest nights
- 6° · August
- Wettest month
- March
- Driest month
- September
- Clearest skies
- August · 48% cloud
- Longest day
- 12 h 13 min
- Shortest day
- 12 h 02 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 17° | 17° | 17° | 17° | 17° | 16° | 16° | 17° | 18° | 17° | 17° | 17° |
| Average low | 8° | 8° | 8° | 8° | 8° | 7° | 6° | 6° | 7° | 7° | 8° | 8° |
| Precipitation | 70 mm | 96 mm | 122 mm | 134 mm | 97 mm | 80 mm | 60 mm | 50 mm | 54 mm | 81 mm | 85 mm | 84 mm |
| Wet days (≥1 mm) | 22.9 | 21.9 | 25.3 | 23.9 | 23.4 | 21.2 | 21.6 | 18.9 | 18.1 | 23.5 | 22.7 | 23.9 |
| Cloud cover | 61% | 66% | 70% | 70% | 64% | 58% | 53% | 48% | 56% | 61% | 64% | 60% |
| Daylight | 12h 12 | 12h 10 | 12h 07 | 12h 04 | 12h 02 | 12h 02 | 12h 02 | 12h 04 | 12h 06 | 12h 09 | 12h 11 | 12h 13 |
| Month score | 49 | 47 | 45 | 45 | 45 | 45 | 47 | 54 | 54 | 51 | 49 | 50 |
ivMonth by month
Riobamba in every month
January49
17° / 8°
70 mm · 22.9 wet days
February47
17° / 8°
96 mm · 21.9 wet days
March45
17° / 8°
122 mm · 25.3 wet days
April45
17° / 8°
134 mm · 23.9 wet days
May45
17° / 8°
97 mm · 23.4 wet days
June45
16° / 7°
80 mm · 21.2 wet days
July47
16° / 6°
60 mm · 21.6 wet days
August54
17° / 6°
50 mm · 18.9 wet days
September54
18° / 7°
54 mm · 18.1 wet days
October51
17° / 7°
81 mm · 23.5 wet days
November49
17° / 8°
85 mm · 22.7 wet days
December50
17° / 8°
84 mm · 23.9 wet days