Guadalupe Mountains National Park, United States in December

December14°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.

December17mm average rain

December is one of Guadalupe Mountains National Park's driest months, making outdoor days easier to plan than in wetter parts of the year.

Driest monthsJanuary to June and October to December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

December7.1 hours average sun

December is one of Guadalupe Mountains National Park's cloudier months, so sunshine-led plans are less reliable.

Brightest monthsApril to July

This stretch has the strongest sunshine in the monthly averages.

December45 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 monthsMay to August

These months have the strongest weather score in the monthly averages.