Mianyang climate
Mianyang is warmest in July, with average highs of 30 °C, and coldest in January, when nights average 1.6 °C. July is the wettest month (269 mm) and December the driest (9.4 mm). Figures are 1991–2020 climate normals.
Across a full year Mianyang averages 1,000 mm of rain, 131 days above 25 °C and 17 days below freezing.
China · population 1,550,000 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month July 30 °C
- Coldest month January 1.6 °C
- Driest month December 9 mm
- Wettest month July 269 mm
- Least cloud December 66 % cloud
- Hottest on record August 38 °C
- Coldest on record January -5.2 °C
What to expectMianyang through the year
Mianyang has a clear annual cycle: average daily highs run from 9.5 °C in January to 30 °C in July, a swing of 20 °C in mean temperature across the year.
Counted across a normal year, 131 days a year reach 25 °C, 48 of them reach 30 °C, 17 nights drop below freezing. The warmest reading in the 1991–2020 record is 38 °C, in August.
Rain is strongly seasonal. July averages 269 mm against 9 mm in December — 29 times as much. Planning around the dry months matters more here than planning around temperature.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 9.5 °C | 11 mm | 68 % |
| February | 12.0 °C | 13 mm | 74 % |
| March | 16.6 °C | 26 mm | 75 % |
| April | 22.5 °C | 41 mm | 74 % |
| May | 26.6 °C | 68 mm | 76 % |
| June | 28.9 °C | 126 mm | 76 % |
| July | 29.7 °C | 269 mm | 72 % |
| August | 29.3 °C | 218 mm | 68 % |
| September | 25.1 °C | 147 mm | 76 % |
| October | 20.3 °C | 50 mm | 79 % |
| November | 15.7 °C | 22 mm | 72 % |
| December | 10.8 °C | 9 mm | 66 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 9.5 °C | 1.6 °C | 5.7 °C | 18.2 °C | -5.2 °C | 0 | 0 | 9 |
| February | 12.0 °C | 3.8 °C | 8.2 °C | 21.9 °C | -3.9 °C | 0 | 0 | 3 |
| March | 16.6 °C | 7.6 °C | 12.4 °C | 31.9 °C | -0.2 °C | 1 | 0 | 0 |
| April | 22.5 °C | 12.9 °C | 17.8 °C | 33.9 °C | 4.2 °C | 9 | 1 | 0 |
| May | 26.6 °C | 17.3 °C | 21.9 °C | 37.0 °C | 8.6 °C | 21 | 6 | 0 |
| June | 28.9 °C | 20.7 °C | 24.7 °C | 37.1 °C | 13.2 °C | 26 | 11 | 0 |
| July | 29.7 °C | 22.4 °C | 25.9 °C | 37.8 °C | 17.3 °C | 30 | 15 | 0 |
| August | 29.3 °C | 22.0 °C | 25.5 °C | 38.3 °C | 15.6 °C | 28 | 13 | 0 |
| September | 25.1 °C | 18.6 °C | 21.7 °C | 35.1 °C | 11.1 °C | 15 | 2 | 0 |
| October | 20.3 °C | 13.9 °C | 17.1 °C | 29.8 °C | 5.1 °C | 2 | 0 | 0 |
| November | 15.7 °C | 8.6 °C | 12.3 °C | 24.6 °C | -0.6 °C | 0 | 0 | 0 |
| December | 10.8 °C | 3.2 °C | 7.1 °C | 19.3 °C | -4.6 °C | 0 | 0 | 5 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 11 mm | 3 | 10 h/day | 68 % | 72 % | 9.2 km/h |
| February | 13 mm | 3 | 11 h/day | 74 % | 71 % | 9.9 km/h |
| March | 26 mm | 6 | 12 h/day | 75 % | 68 % | 11 km/h |
| April | 41 mm | 7 | 13 h/day | 74 % | 66 % | 12 km/h |
| May | 68 mm | 9 | 14 h/day | 76 % | 64 % | 12 km/h |
| June | 126 mm | 12 | 14 h/day | 76 % | 71 % | 10 km/h |
| July | 269 mm | 19 | 14 h/day | 72 % | 80 % | 9.8 km/h |
| August | 218 mm | 17 | 13 h/day | 68 % | 79 % | 9.9 km/h |
| September | 147 mm | 14 | 12 h/day | 76 % | 78 % | 9.9 km/h |
| October | 50 mm | 9 | 11 h/day | 79 % | 76 % | 9.3 km/h |
| November | 22 mm | 5 | 11 h/day | 72 % | 74 % | 9.3 km/h |
| December | 9 mm | 3 | 10 h/day | 66 % | 72 % | 9.1 km/h |
How Mianyang compares
The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.
| Destination | Summer high | Winter low | Rain per year | Days above 25 °C |
|---|---|---|---|---|
| Mianyang | 30 °C | 1.6 °C | 1,000 mm | 131 |
| Luojiang · China | 29 °C | 2.0 °C | 959 mm | 123 |
| Deyang · China | 30 °C | 2.3 °C | 956 mm | 128 |
| Chengdu · China | 30 °C | 2.6 °C | 1,055 mm | 137 |
| Suining · China | 31 °C | 3.3 °C | 1,058 mm | 141 |
| Ziyang · China | 30 °C | 3.6 °C | 1,058 mm | 141 |
| Nanchong · China | 31 °C | 3.2 °C | 1,242 mm | 136 |
Where Mianyang ranks
| Ranking | Position | Value |
|---|---|---|
| Places with the best weather in Asia in April | 36thof 50 | 95/100 |
Planning a trip? See the best time to visit Mianyang.
QuestionsCommon questions about Mianyang’s climate
When is the best time to visit Mianyang?
That depends on what you want, so the honest answer is a comparison rather than a single month. April, May, September sit closest to 20 °C on average, July is the warmest month and December the driest. The month-by-month table above has the full picture.
How hot does Mianyang get?
In July, the warmest month, daily highs average 30 °C. About 48 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.
How cold does it get in winter?
Nights average 1.6 °C in January, the coldest month. A normal year has 17 nights below freezing.
Which month is wettest in Mianyang?
July, averaging 269 mm over 19 days with rain. The driest month is December with 9 mm. The year as a whole averages 1,000 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Mianyang rather than what any particular week will bring. Individual years can differ substantially from the normal.
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: monthly rankings, daylight hours, beach and comfort scores. 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.