Climate averages 1991–2020
Longnan weather
in May.
A warm, wet month: the 4th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
Approximate: the model cell is 649 m higher than the city, so the temperatures are adjusted up by 4.2°C. For places not marked Approximate, the cell is within 400 m of the place's elevation.
May is a warm month in Longnan: daytime highs average 23.5°C and nights cool to about 15.2°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 94 mm of rain on roughly 15 days, which makes May a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 52 min on an average May day.
The nearest other city in this atlas is Pingwu County (116 km away). In May its highs average 22.8°C, 0.7°C cooler than Longnan, with 116 mm of rain.
Among the 884 cities listed in China, Longnan ranks joint 676th of 884 for the warmest May highs and joint 461st of 884 for the driest May (rainfall, lowest first). The mean May high of those 884 cities is 25.2°C; Longnan is 1.7°C cooler than that mean.
From May to June, average highs rise by 3.0°C to 26.6°C, and monthly rainfall rises from 94 mm to 108 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
Longnan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.8°C-3.5°C | -3.5°C | 14 | 4.7 | 10.210 h |
| February | 7.6°C-0.7°C | -0.7°C | 20 | 6.1 | 11.011 h |
| March | 13.9°C5.2°C | 5.2°C | 39 | 10.6 | 12.012 h |
| April | 19.8°C10.7°C | 10.7°C | 62 | 12.0 | 13.013 h |
| May, selected | 23.5°C15.2°C | 15.2°C | 94 | 15.0 | 13.914 h |
| June | 26.6°C19.0°C | 19.0°C | 108 | 14.9 | 14.314 h |
| July | 28.3°C21.3°C | 21.3°C | 152 | 16.8 | 14.114 h |
| August | 27.5°C20.6°C | 20.6°C | 131 | 16.6 | 13.413 h |
| September | 23.0°C17.0°C | 17.0°C | 128 | 16.6 | 12.412 h |
| October | 17.9°C11.6°C | 11.6°C | 90 | 15.4 | 11.411 h |
| November | 12.4°C5.2°C | 5.2°C | 31 | 7.7 | 10.510 h |
| December | 6.6°C-1.2°C | -1.2°C | 11 | 3.6 | 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
- Pingwu County in MayChina · 116 kmHigh 22.8°C · Low 15.4°C · 116 mm rain
- Guangyuan in MayChina · 136 kmHigh 25.2°C · Low 15.9°C · 96 mm rain
- Luomen in MayChina · 151 kmHigh 21.8°C · Low 10.3°C · 67 mm rain
- Tianshui in MayChina · 152 kmHigh 22.6°C · Low 11.4°C · 77 mm rain
- Pan’an in MayChina · 152 kmHigh 22.1°C · Low 10.6°C · 67 mm rain
- Gangu Chengguanzhen in MayChina · 153 kmHigh 22.7°C · Low 10.8°C · 68 mm rain
- Xinxing in MayChina · 158 kmHigh 22.4°C · Low 10.8°C · 68 mm rain
- Beidao in MayChina · 158 kmHigh 22.6°C · Low 11.8°C · 74 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 Longnan) is explained once on the Longnan year overview and on the Sources, method and limits page.