Climate averages 1991–2020
Helong weather
in July.
A warm, wet month: the warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Helong: daytime highs average 26.2°C and nights cool to about 17.1°C. By daytime temperature it is the warmest month of the year.
Expect about 177 mm of rain on roughly 17 days, which makes July a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 58 min on an average July day.
The nearest other city in this atlas is Longjing (43 km away). In July its highs average 26.0°C, about as warm as Helong, with 139 mm of rain.
Among the 884 cities listed in China, Helong ranks joint 799th of 884 for the warmest July highs and joint 409th of 884 for the driest July (rainfall, lowest first). The mean July high of those 884 cities is 30.0°C; Helong is 3.9°C cooler than that mean.
From July to August, average highs fall by 0.5°C to 25.7°C, and monthly rainfall falls from 177 mm to 160 mm.
The annual picture
July in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Helong climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -7.3°C-19.6°C | -19.6°C | 7.7 | 1.7 | 9.49 h |
| February | -3.2°C-16.6°C | -16.6°C | 14 | 3.5 | 10.511 h |
| March | 3.8°C-8.9°C | -8.9°C | 27 | 6.9 | 11.912 h |
| April | 13.0°C0.3°C | 0.3°C | 54 | 9.9 | 13.313 h |
| May | 19.5°C6.8°C | 6.8°C | 100 | 15.4 | 14.615 h |
| June | 23.7°C12.8°C | 12.8°C | 127 | 16.4 | 15.215 h |
| July, selected | 26.2°C17.1°C | 17.1°C | 177 | 17.2 | 15.015 h |
| August | 25.7°C16.9°C | 16.9°C | 160 | 15.8 | 13.914 h |
| September | 20.9°C10.2°C | 10.2°C | 75 | 9.3 | 12.513 h |
| October | 13.3°C2.3°C | 2.3°C | 39 | 7.4 | 11.111 h |
| November | 3.1°C-6.3°C | -6.3°C | 28 | 5.7 | 9.810 h |
| December | -5.2°C-16.2°C | -16.2°C | 11 | 3.4 | 9.19 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Longjing in JulyChina · 43 kmHigh 26.0°C · Low 16.7°C · 139 mm rain
- Yanji in JulyChina · 57 kmHigh 26.3°C · Low 17.2°C · 150 mm rain
- Tumen in JulyChina · 84 kmHigh 26.0°C · Low 17.5°C · 137 mm rain
- Chongjin in JulyNorth Korea · 105 kmHigh 22.4°C · Low 18.0°C · 190 mm rain
- Wangqing in JulyChina · 106 kmHigh 25.5°C · Low 17.1°C · 129 mm rain
- Ŭndŏk in JulyNorth Korea · 110 kmHigh 25.8°C · Low 18.4°C · 155 mm rain
- Dunhua in JulyChina · 111 kmHigh 25.2°C · Low 16.5°C · 174 mm rain
- Hunchun in JulyChina · 117 kmHigh 25.2°C · Low 17.0°C · 147 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Helong) is explained once on the Helong year overview and on the Sources, method and limits page.