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Delta (CO) Weather and Climate: A Comprehensive Guide

Delta experiences great temperature shifts. The city's weather can transition from very warm days to cold weather. It experiences desert-like conditions in terms of precipitation, with almost no rain/snowfall. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

The climate in Delta is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 34°C in July to a chilly 4°C in the coolest month, January.

Nights are cooler, with lows often dropping to around -11°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Delta is known for its low rain/snowfall, with yearly precipitation amounts around 206 mm. The climate in Delta shows significant variation throughout the year. Expect low rainfall in September, with an average of 29 mm of precipitation over 7 rainy days.

In contrast, June offers drier and sunnier days, with around 9 mm of rainfall over 3 rainy days. For more details, please visit our Delta Precipitation page.

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

Sunshine over the year

For those who appreciate different seasons, Delta serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 11.9 hours of sunshine daily, and embrace the darker days in December, offering only 6.0 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Grand Junction, the United States of America (57 KM, 35 Miles).

Daily hours of sunshine

Data from: Grand Junction, the United States of America (57 KM, 35 Miles).

Forecast for Delta (CO)

Mon   Dec 23
12°C | -3°C
SW 4 m/s
partly cloudy and no rain

partly cloudy and no rain

Tue   Dec 24
11°C | -3°C
S 2 m/s
broken clouds and no rain

broken clouds and no rain

Wed   Dec 25
7°C | -1°C
W 2 m/s
8.6 mm
partly cloudy and  chance of sleet

partly cloudy and chance of sleet

The best time of year to visit Delta in the United States of America

During the months of May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Delta?
    July has an average maximum temperature of 34°C and is the warmest month of the year.
  • Which is the coldest month in Delta?
    The coldest month is January with an average maximum temperature of 4°C.
  • Which is the wettest month in Delta?
    September tops the wettest month list with 29 mm of rainfall.
  • Which is the driest month in Delta?
    June is the driest month with 9 mm of precipitation.
  • Which is the sunniest month in Delta?
    June is the sunniest month with an average of 357 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.