Cortez (CO) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Cortez.

Climate overview of Cortez

The climate in Cortez, Colorado, United States of America, is marked by large temperature swings across the seasons, ranging from 32°C (90°F) in July to 5°C (41°F) in January.

With around 326 mm (13 in) of annual rain/snowfall, Cortez has a fairly dry climate. However, it has very little rainfall for most of the year, with very warm summers and cold winters. The wettest month is August, while June sees the least rain.

Cortez Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Cortez - and find the best time to visit.

Monthly Temperature in Cortez

In Cortez, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very warm 32°C (90°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 5°C (41°F).

At night, temperatures range from around 14°C (57°F) in July to -11°C (12°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Cortez

Cortez typically sees modest rain/snowfall throughout the year, with an average annual precipitation of 326 mm (13 in). Cortez can be quite wet during August, receiving approximately 44 mm (1.7 in) of precipitation over 10 rainy days.

In contrast, during the driest month (June), you will experience much drier conditions, with 10 mm (0.4 in) of precipitation spread across 2 rainy days. For more details, please visit our Cortez Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Humidity in Cortez by Month

Best Time to Visit Cortez

For comfortable weather, consider visiting Cortez in May, September and October. Conditions are usually least favourable in December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: May, September and October
  • Warmest weather: July
  • Fewest rainy days: June and November
  • Seasonal pattern: Very little rainfall for most of the year, with very warm summers and cold winters
  • Coldest conditions: January, with freezing nights around -11°C (12°F).

Frequently asked questions about the climate in Cortez

What is the best time to visit Cortez?

May, September and October typically offer the most optimal weather in Cortez. In contrast, December tends to have less optimal conditions. Cortez has very little rainfall for most of the year, with very warm summers and cold winters.

What temperatures can I expect in Cortez?

Daytime highs range from 5°C (41°F) in January to 32°C (90°F) in July. Nighttime lows range from -11°C (12°F) to 14°C (57°F). Temperatures vary considerably through the year.

How much rain does Cortez get?

Annual rainfall is around 326 mm (13 in). August is the wettest month with 44 mm (1.7 in), while June is the driest with 10 mm (0.4 in).

Cortez 3-Day Forecast

Cortez (CO) 3-Day Forecast

Cortez on the map

Cortez is highlighted - select any city to see its climate.

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