Parmer County Climate
Parmer County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.8°F
Annual Precip
19.3"
Annual Snowfall
13.0"
Extreme Heat Days
68
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
4,057
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Parmer County
Climate Verdict
Parmer County has a mild, with an average annual temperature of 56.8°F, semi-arid conditions with only 19.3 inches of annual precipitation, significant summer heat with 68.4 days annually above 90°F, light snow averaging 13.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 36.7°F. summers are warm — July averages 77.3°F. The 41°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Parmer County is 8.7°F cooler than the Texas statewide average of 65.5°F, it is also noticeably drier, receiving 12.6 inches less precipitation than the state average, the county experiences 36.44187338267581 fewer extreme heat days than the state average.
Climate Profile
About Parmer County Weather
A Cooler, Semi-Arid High Plains Climate
Parmer County's 56.8°F average annual temperature is much closer to the national median than most of Texas. With only 19.3 inches of rain, it is significantly drier than the average U.S. county.
Much Cooler Than the Rest of Texas
While the Texas average temperature is 65.5°F, Parmer County sits at a much lower 56.8°F. It is also quite dry, receiving 19.3 inches of rain compared to the 31.9-inch state average.
Shared Trends with the Northern Panhandle
Parmer County shares the cold-winter, dry-summer profile of neighboring Potter County. It is one of the few places in Texas where snowfall is a regular part of the annual weather cycle.
True Winters and Modest Summer Heat
Winter is cold, averaging 38.2°F with 13 inches of annual snow. Summer is more manageable than elsewhere in the state, with only 68 days topping 90°F and a July average of 77.3°F.
Winterize for Snow and Cold Winds
Unlike most Texans, Parmer County residents need snow shovels and heavy coats for the 13 inches of annual snowfall. Summer cooling needs are lower here, as extreme heat days are relatively limited.
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.