Climate in Costilla County, Colorado

Days of Sunshine

With an average of 280 days of sunshine a year in Costilla County, Colorado. Solar Power is an excellent choice for off-grid power. The averages below are for Alamosa, Colorado in Costilla County.

Average Monthly Temperatures: highs and Lows

With highs in May-October usually being in the 60s or 70s, the summers in Costilla County are nice and mild. The winter time can get very cold depending on what area of Costilla County you are in so be prepared with a good heat source.

Wind Speed

Wind is especially strong in Costilla County, Colorado in the spring time. Wind power is a great choice to pair with solar power as a backup.