Riobamba weather in April
In April, Riobamba has daytime highs averaging 18 °C, nights around 10 °C, with 25 wet days. Figures are 1991–2020 climate normals.
- 18.2°C Average high
- 10.3°C Average low
- 25days Wet days
- 167mm Rainfall
- 12h Daylight
Daily temperatures through April
How April develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 April | 18.3 °C | 10.3 °C | 81 % |
| 11–20 April | 18.1 °C | 10.3 °C | 86 % |
| 21–30 April | 18.2 °C | 10.2 °C | 81 % |
What to expect
| Measure | Typical April | Share of the month |
|---|---|---|
| Days above 25 °C | 0 of 30 | 0 % |
| Days above 30 °C | 0 of 30 | 0 % |
| Days below 0 °C | 0 of 30 | 0 % |
| Days with more than 1 mm rain | 25 of 30 | 83 % |
Conditions in April
| Measure | Average |
|---|---|
| Mean temperature | 14 °C |
| Record high (1991–2020) | 22 °C |
| Record low (1991–2020) | 6.2 °C |
| Relative humidity | 85 % |
| Wind speed | 8.9 km/h |
| Cloud cover | 90 % |
Where Riobamba ranks in April
| Ranking | Position | Value |
|---|---|---|
| The coolest places in South America in April | 18th of 50 | 18 °C |
April compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| February | 18.5 °C | 144 mm | 88 % |
| March | 18.4 °C | 186 mm | 92 % |
| April | 18.2 °C | 167 mm | 90 % |
| May | 18.0 °C | 117 mm | 86 % |
| June | 17.5 °C | 74 mm | 80 % |
See all twelve months for Riobamba
- April is the 9th warmest month here.
- It is the 11th driest month of the year.
- It ranks 11th for least cloud cover.
- Days last about 12 hours from sunrise to sunset.
- It rains on 25 of 30 days — 83 % of the month.
- Nights are about 7.9 °C cooler than the middle of the day.
- The hottest April day on record since 1991 reached 22 °C, 3.5 °C above the usual daytime high.
QuestionsApril in Riobamba, answered
How warm is Riobamba in April?
Daily highs average 18 °C and nights fall to about 10 °C, a spread of 7.9 °C between afternoon and dawn. That makes April the 7th warmest month of the year here.
Does it rain much in Riobamba in April?
April averages 167 mm of rain, spread over about 25 of the 30 days — 83 % of the month. Cloud cover averages 90 % of the sky.
How long are the days in April?
Riobamba averages 12 hours between sunrise and sunset in April. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.