Bonan, China Climate
The warmest month is June, with an average high of 25°C; the coldest is January, with an average low of 1°C. A normal year brings 961 mm of precipitation.
Temperature through the year
The normal daily high and low. The line marks today.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
Normals for Sep 25
- Normal high
- 22°C
- Normal low
- 13°C
- Reanalysis high
- 26°Cin 1998
- Reanalysis low
- 5°Cin 1997
- Chance of a wet day
- 61%
- Daylight
- 12 h 03 min
Month by month
Averages for 1991-2020. Wet days have at least 1 mm of precipitation in the reanalysis. Each month links to its own page.
| Month | Avg high | Avg low | Warmest | Coldest | Precipitation | Wet days |
|---|---|---|---|---|---|---|
| January | 14°C | 1°C | 20°C (2006) | -4°C (2015) | 22 mm | 3.1 |
| February | 17°C | 3°C | 23°C (1999) | -4°C (2007) | 23 mm | 2.8 |
| March | 20°C | 6°C | 26°C (2010) | -1°C (2005) | 31 mm | 6.2 |
| April | 22°C | 10°C | 30°C (1999) | 3°C (2020) | 48 mm | 9.0 |
| May | 24°C | 13°C | 31°C (2012) | 3°C (2006) | 90 mm | 12.4 |
| June | 25°C | 15°C | 31°C (2014) | 10°C (2013) | 120 mm | 21.0 |
| July | 24°C | 15°C | 29°C (2015) | 11°C (2015) | 183 mm | 24.8 |
| August | 24°C | 15°C | 29°C (2019) | 11°C (1993) | 186 mm | 24.8 |
| September | 23°C | 14°C | 27°C (2009) | 3°C (1997) | 135 mm | 21.0 |
| October | 20°C | 11°C | 27°C (2015) | 1°C (2000) | 93 mm | 12.4 |
| November | 17°C | 6°C | 22°C (1994) | -2°C (1992) | 21 mm | 3.0 |
| December | 15°C | 2°C | 20°C (2017) | -7°C (2013) | 9 mm | 3.1 |
| Year | 20°C | 9°C | 961 mm | 144 |
Precipitation
Rain and melted snow together. The chance of a wet day is the share of days with at least 1 mm of precipitation in the reanalysis.
961 mm in a normal year, most in August.
Chance of a wet day
- Chance of a wet day
Humidity and comfort
NASA POWER reanalysis, 1991-2020, for the grid cell around Bonan.
Days with a mean dew point of 18°C or more are rare here in every month.
| Month | Dew point | Humidity | Dry | Comfortable | Humid | Muggy | Oppressive | Miserable |
|---|---|---|---|---|---|---|---|---|
| January | -1°C | 63% | 100% | 0% | 0% | 0% | 0% | 0% |
| February | 0°C | 59% | 100% | 0% | 0% | 0% | 0% | 0% |
| March | 3°C | 57% | 100% | 0% | 0% | 0% | 0% | 0% |
| April | 6°C | 59% | 100% | 0% | 0% | 0% | 0% | 0% |
| May | 10°C | 65% | 84% | 16% | 0% | 0% | 0% | 0% |
| June | 14°C | 76% | 16% | 71% | 13% | 0% | 0% | 0% |
| July | 15°C | 80% | 3% | 64% | 33% | 0% | 0% | 0% |
| August | 15°C | 79% | 3% | 67% | 30% | 0% | 0% | 0% |
| September | 14°C | 80% | 18% | 75% | 7% | 0% | 0% | 0% |
| October | 11°C | 79% | 75% | 25% | 0% | 0% | 0% | 0% |
| November | 6°C | 75% | 99% | 1% | 0% | 0% | 0% | 0% |
| December | 2°C | 71% | 100% | 0% | 0% | 0% | 0% | 0% |
Comfort is judged by the day's mean dew point: dry below 13°C, comfortable to 16°C, humid to 18°C, muggy to 21°C, oppressive to 24°C, miserable above.
Clouds
Average share of the sky covered, from satellite (CERES and GEWEX SRB) by way of NASA POWER, 1991-2020.
The clearest month is December, with the sky 30 percent covered on average; the cloudiest is July, at 91 percent.
Wind
The mean wind speed over the whole day, from the MERRA-2 reanalysis by way of NASA POWER. Gusts run well above it.
The windiest month is March, averaging 9.7 km/h at 10 meters (33 feet) above the ground.
Daylight and sunshine
The longest day is Jun 17, with 13 h 44 min of daylight; the shortest is Dec 16, with 10 h 33 min.
- Day length
Solar energy
Average daily sunshine reaching the ground on a flat surface, in kilowatt-hours per square meter, clouds included.
Month pages
The weather in Bonan in each month, day by day.
What this means
A normal is the average of the thirty years 1991 to 2020, the period the World Meteorological Organization and NOAA use for comparison. It is an average, not a forecast: most days depart from it, and some by a long way.
Where no station record is within reach, the extremes shown are the highest and lowest the reanalysis produced for the date in 1991-2020, not measured records.
Cloud, humidity, wind and sunshine come from a reanalysis: a weather model run over the past with every observation fed in, averaged over a grid cell about 50 km across. It is consistent everywhere on Earth; it smooths local detail such as a lake shore or a valley.
More for this place
Nearby
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.