Cool
Average highs are around 18°C, so pack for cooler days.
May verdict
Heihe, China in May
Weather score43Mixed
Mixed for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 8.1h per day, so bright days are a strong part of the month. Rainfall averages 45mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
18°C
Rain
45mm
Sun
8.1h
Weather score
43
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 45mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.1h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Heihe, China with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May18°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
May45mm average rain
May sits near Heihe's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May8.1 hours average sun
May is brighter than Heihe's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to July
This stretch has the strongest sunshine in the monthly averages.
Weather score
May43 weather score
May scores below Heihe's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.