Climate Chart of Copper Mountain, USA

Monthly data: Temperature °C, Rain (mm), Sunshine (h) · 2013–2023

For Copper Mountain, USA, the climate data cover 2013–2023. Across the year, monthly mean temperatures range from -9.7 °C in December to 13.4 °C in July, while the unweighted mean of monthly means is 0.9 °C. The pattern combines a markedly cold monthly average at the low end with a much warmer midsummer mean. Rainfall, snowfall and sunshine also vary by month, so the annual picture is best understood through their separate monthly averages rather than as a promise about conditions on any particular visit.

Climate overview

Temperature

Monthly mean temperature is lowest at -9.7 °C in December and reaches its highest monthly mean, 13.4 °C, in July. These are averages for whole months, not daytime maximum temperatures, so they do not describe the full range visitors may encounter within a day. The unweighted mean across monthly means is 0.9 °C; it summarizes the calendar-month averages without weighting them by the number of days in each month.

Snow

Mean daily snowfall reaches its highest monthly average in April at 15.65 mm/day. The unweighted mean of monthly daily snowfall averages is 8.51 mm/day. These amounts do not establish how many days have snowfall, how deep snow becomes, whether snow cover persists, or what conditions are suitable for skiing.

Rain

Mean daily rainfall is highest in July at 1.75 mm/day, while the tied lowest monthly means occur in January / December at 0.01 mm/day. These are daily averages, not monthly totals, and the lower mean does not guarantee rain-free days or show how frequently rain occurs. The unweighted mean of the monthly daily averages is 0.50 mm/day.

Sunshine

Mean daily sunshine reaches its highest monthly value in June at 13.34 hours/day and its lowest in December at 6.79 hours/day. These figures describe average sunshine duration, not day length, and cannot guarantee the sunshine available on an individual day. The unweighted mean across monthly averages is 10.12 hours/day.

Best Travel Time Guide for Copper Mountain, USA: Ideal Seasons and Weather Insights

For visitors prioritising cooler monthly averages, December is the relevant choice to consider, with a monthly mean temperature of -9.7 °C; this average is not a daytime high and cannot tell you the temperature on a particular outing. If lower average rainfall is the priority, January / December has the lowest tied monthly mean at 0.01 mm/day, but that does not guarantee dry days or indicate rain frequency. Allow for rain preparation if travelling in July, when mean daily rainfall reaches 1.75 mm/day; the average is not a monthly total or a forecast. For daylight outdoor planning, mean daily sunshine is highest in June at 13.34 hours/day and lowest in December at 6.79 hours/day. Sunshine duration is not day length, and none of these monthly averages guarantees the weather on your visit.

Snowfall averages are also relevant when planning a visit: mean daily snowfall reaches 15.65 mm/day in April. This figure does not tell you how often snow falls, how much accumulates or whether snow cover is present, so it cannot by itself establish skiing conditions; check current conditions for your dates.

Climate Data Overview for Copper Mountain, USA

Explore the comprehensive climate data for Copper Mountain, USA. This detailed table provides valuable insights into temperature variations, precipitation levels, and seasonal changes, helping you understand the unique weather patterns of this region.

Month	Average: Temperature °C	Rain (mm) / day	Snow (mm) / day	Sunshine (h) / day
Jan	-9.3	0.01	11.57	7.34
Feb	-8.2	0.02	14.08	8.32
Mar	-4.6	0.03	14.11	9.77
Apr	-1.3	0.10	15.65	11.01
May	3.5	0.54	11.15	12.02
Jun	9.3	0.62	1.39	13.34
Jul	13.4	1.75	0.00	12.72
Aug	12.6	1.66	0.06	11.91
Sep	9.5	1.04	1.67	10.94
Oct	1.3	0.24	8.79	9.34
Nov	-5.7	0.02	10.91	7.91
Dec	-9.7	0.01	12.74	6.79
Average	0.9	0.50	8.51	10.12