Climate averages 1991–2020
Shiyan weather
in May.
A warm, moderately wet month: the 4th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Shiyan: daytime highs average 26.4°C and nights cool to about 16.5°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 78 mm of rain on roughly 9 days, which makes May a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 49 min on an average May day.
The nearest other city in this atlas is Danjiangkou (69 km away). In May its highs average 27.1°C, 0.7°C warmer than Shiyan, with 85 mm of rain.
Among the 884 cities listed in China, Shiyan ranks joint 359th of 884 for the warmest May highs and joint 396th of 884 for the driest May (rainfall, lowest first). The mean May high of those 884 cities is 25.2°C; Shiyan is 1.2°C warmer than that mean.
From May to June, average highs rise by 3.6°C to 30.0°C, and monthly rainfall rises from 78 mm to 102 mm.
The annual picture
May in context
Monthly rainfall
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
Shiyan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.9°C-0.2°C | -0.2°C | 23 | 4.8 | 10.310 h |
| February | 10.8°C2.0°C | 2.0°C | 27 | 5.4 | 11.011 h |
| March | 15.9°C6.0°C | 6.0°C | 48 | 7.5 | 12.012 h |
| April | 22.1°C11.6°C | 11.6°C | 53 | 7.6 | 13.013 h |
| May, selected | 26.4°C16.5°C | 16.5°C | 78 | 9.1 | 13.814 h |
| June | 30.0°C21.1°C | 21.1°C | 102 | 8.1 | 14.314 h |
| July | 31.4°C24.0°C | 24.0°C | 130 | 12.8 | 14.114 h |
| August | 30.3°C23.3°C | 23.3°C | 122 | 12.2 | 13.413 h |
| September | 25.8°C18.8°C | 18.8°C | 99 | 10.0 | 12.412 h |
| October | 21.0°C13.2°C | 13.2°C | 76 | 9.0 | 11.411 h |
| November | 15.1°C7.0°C | 7.0°C | 45 | 7.2 | 10.511 h |
| December | 9.7°C1.5°C | 1.5°C | 21 | 4.8 | 10.010 h |
Rainfall is the average of the 30 separate monthly totals. A rain 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
May in nearby cities
- Danjiangkou in MayChina · 69 kmHigh 27.1°C · Low 16.9°C · 85 mm rain
- Laohekou in MayChina · 88 kmHigh 27.3°C · Low 16.9°C · 81 mm rain
- Gucheng Chengguanzhen in MayChina · 91 kmHigh 26.8°C · Low 16.5°C · 90 mm rain
- Dengzhou in MayChina · 123 kmHigh 27.7°C · Low 16.7°C · 81 mm rain
- Nanzhang Chengguanzhen in MayChina · 138 kmHigh 26.7°C · Low 16.7°C · 124 mm rain
- Zhenping in MayChina · 142 kmHigh 27.1°C · Low 16.0°C · 84 mm rain
- Xiangyang in MayChina · 145 kmHigh 27.1°C · Low 16.9°C · 97 mm rain
- Shangluo in MayChina · 157 kmHigh 23.7°C · Low 13.4°C · 71 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 Shiyan) is explained once on the Shiyan year overview and on the Sources, method and limits page.