Phillips County Climate
Phillips County, Colorado
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
48.9°F
Annual Precip
17.9"
Annual Snowfall
30.4"
Extreme Heat Days
40
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5b
Minimum winter temperature range for plant survival
2,755
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Phillips County
Climate Verdict
Phillips County has a cool, averaging 48.9°F annually, semi-arid conditions with only 17.9 inches of annual precipitation, occasional hot days — 39.7 per year above 90°F, moderate snowfall of 30.4 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 27.2°F. summers are warm — July averages 73.3°F. The 46°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Phillips County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Phillips County is 3.0°F warmer than the Colorado statewide average of 45.9°F.
Climate Profile
About Phillips County Weather
Phillips runs warm with above-average moisture
Phillips County's 48.9°F annual temperature exceeds the U.S. median of 47.5°F, while its 17.9 inches of precipitation sit above the national average. This combination creates a semi-humid plains climate, relatively wet for northeastern Colorado.
Warmest tier, above-average precipitation
At 48.9°F, Phillips County ranks among Colorado's warmest counties, sitting 2.9°F above the state average of 46.0°F. Its 17.9 inches of annual precipitation actually exceed the state average of 16.0 inches, making it one of Colorado's wetter plains counties.
Twin-like climate to Montezuma and Montrose
Phillips (48.9°F) sits nearly identical to Montezuma (48.8°F) and just 0.7°F above Montrose (48.2°F), but its precipitation of 17.9 inches surpasses both neighbors significantly. This extra moisture creates slightly greener plains than its western counterparts.
Moderate summers, cold snaps, manageable snow
Phillips averages 70.7°F in summer with 40 days of 90°F-plus heat—notably higher than Montezuma but lower than Morgan's 58 days. Winter averages 28.1°F with 30.4 inches of snow, making it moderately snowy with respectable precipitation year-round.
Balanced climate calls for moderate HVAC prep
With 40 extreme heat days annually and 17.9 inches of precipitation, Phillips residents need solid air conditioning but benefit from the extra moisture reducing dust and fire risk. Standard snow removal equipment suffices for 30 inches of annual snowfall, and the relatively balanced climate allows year-round outdoor planning with seasonal adjustments.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.