Cool
Average highs are around -16°C, so pack for cooler days.
December verdict
Poor for holiday weather
Average highs are around -16°C, so pack for cooler days. Sunshine averages 4h per day, so this is not one of the brighter months. Rainfall averages 6mm, which is relatively low for holiday planning.
Monthly averages
Temp
-16°C
Rain
6mm
Sun
4h
Weather score
35
Poor
Cool
Average highs are around -16°C, so pack for cooler days.
Drier
Rainfall averages 6mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4h per day, so this is not one of the brighter months.
Map
Compare Heihe, China with nearby places by weather score, rain, sun, temperature, and swim conditions.
December-16°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
December6mm average rain
December is one of Heihe's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December4 hours average sun
December is one of Heihe's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay to July
This stretch has the strongest sunshine in the monthly averages.
December35 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.