Climate Comfort Score
93/100
Excellent
NOAA 1991–2020 normals 66°F annual avg Public-domain federal data
Hillsboro, TX Climate
Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score
- 66°F
- Avg annual temp
- 93/100
- Comfort score
- 38.7"
- Annual precip
- 234d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Hillsboro
Hillsboro, Texas averages 66°F a year and scores 93/100 on the comfort index - excellent, milder than 95% of U.S. cities.
- 66°F
- average temperature, NOAA 1991-2020 normal
- 93/100
- comfort score, milder than 95% of U.S. cities
- 38.7"
- annual precipitation · 1" snow
- 234 days
- frost-free days per growing season
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
66°F (19°C)
Avg High
78°F
Avg Low
54°F
Annual Precip
38.7"
Annual Snow
0.7"
Comfort Score
93/100
Excellent
Avg Annual Temperature
66°F
30-year mean (NOAA NCEI)
Annual Precipitation
38.7"
Plus 0.7" of snow
Comfort score vs national 100-point ceiling (Hillsboro) 93.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Hillsboro area.
How Hillsboro compares to every U.S. city
Hillsboro's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
93 Top 5% higher than 95% of 6,915 US cities
Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Warming context for Hillsboro
MethodologyThe chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For Hillsboro, the NOAA 1991-2020 normal captures average conditions across that spread - notably, the most recent decade runs warmer than the 30-year mean itself.
- United States land mean (NOAA NCEI) +0.11 °C/decade
- Global anomaly (NASA GISTEMP) +0.11 °C/decade
- Paris Agreement thresholds 1.5°C / 2.0°C
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 59°F (15°C) | 34°F (1°C) | 47°F (8°C) | 2.7" | 0.1" | 12.1 | 0.0 |
| February | 63°F (17°C) | 38°F (3°C) | 50°F (10°C) | 2.8" | 0.3" | 7.1 | 0.1 |
| March | 70°F (21°C) | 45°F (7°C) | 57°F (14°C) | 3.6" | 0.1" | 2.9 | 0.2 |
| April | 77°F (25°C) | 53°F (12°C) | 65°F (18°C) | 3.7" | 0.0" | 0.2 | 0.9 |
| May | 84°F (29°C) | 62°F (17°C) | 73°F (23°C) | 4.5" | 0.0" | 0.0 | 5.5 |
| June | 92°F (33°C) | 70°F (21°C) | 81°F (27°C) | 3.6" | 0.0" | 0.0 | 20.3 |
| July | 96°F (36°C) | 73°F (23°C) | 84°F (29°C) | 1.6" | 0.0" | 0.0 | 29.1 |
| August | 97°F (36°C) | 73°F (23°C) | 85°F (29°C) | 2.2" | 0.0" | 0.0 | 27.6 |
| September | 91°F (33°C) | 66°F (19°C) | 78°F (26°C) | 3.1" | 0.0" | 0.0 | 17.2 |
| October | 80°F (27°C) | 55°F (13°C) | 68°F (20°C) | 5.0" | 0.0" | 0.4 | 3.9 |
| November | 69°F (20°C) | 44°F (7°C) | 56°F (13°C) | 2.7" | 0.0" | 3.9 | 0.0 |
| December | 60°F (16°C) | 36°F (2°C) | 48°F (9°C) | 3.1" | 0.2" | 10.2 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 2.7"
Snow: 0.1"
7.4 days with precipitation
February 2.8"
Snow: 0.3"
7.1 days with precipitation
March 3.6"
Snow: 0.1"
8.0 days with precipitation
April 3.7"
7.1 days with precipitation
May 4.5"
8.6 days with precipitation
June 3.6"
6.6 days with precipitation
July 1.6"
4.2 days with precipitation
August 2.2"
4.5 days with precipitation
September 3.1"
5.6 days with precipitation
October 5.0"
6.9 days with precipitation
November 2.7"
6.8 days with precipitation
December 3.1"
Snow: 0.2"
7.4 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
November 10
50% probability date
Last Spring Freeze
March 21
50% probability date
Growing Season
234 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
2,257
Higher = more heating needed
Cooling Degree Days
2,675
Higher = more cooling needed
Warmest Month
August
Coldest Month
January
What Hillsboro's climate means for you
Hillsboro runs 66°F a year - peaking in August, coldest in January.
- Gardeners get about 234 frost-free days, with the last spring freeze near March 21 - plan the planting calendar around it, not the regional average.
- Energy bills track 2,257 heating and 2,675 cooling degree days a year, higher means the furnace or AC runs more.
- Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
Climate Guides
Climate Insight: Hillsboro, TX
Based on station USC00414182 feeding NOAA's 1991–2020 climate normals, Hillsboro, Texas averages 66°F a year, ranging from a mean daily high of 78°F to a mean daily low of 54°F. August is typically the warmest month of the year, while January is the coldest. Because these figures are thirty-year averages rather than any single year's readings, they describe the typical month, not a forecast for it.
Beyond temperature, Hillsboro averages 38.7 inches of precipitation annually, with 0.7 inches typically falling as snow - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 234 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 21 and the first fall freeze near November 10. Turning to energy use, 2,257 heating degree days and 2,675 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Hillsboro scores 93/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Shoulder seasons bring the mildest highs and lows in the monthly tables above, summer brings August-driven heat, and winter brings January-driven cold - use that rhythm for planning. These figures are thirty-year averages rather than forecasts, so a specific year may still run warmer, cooler, wetter, or drier than what's shown.
Frequently Asked Questions
What is the average temperature in Hillsboro, TX? ▼
The average annual temperature in Hillsboro, Texas is 66°F. The warmest month averages 97°F (36°C) and the coldest averages 34°F (1°C).
How much rain does Hillsboro get? ▼
Hillsboro receives 38.7 inches of precipitation annually, including 0.7 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Hillsboro? ▼
Hillsboro has a climate comfort score of 93/100 (Excellent), milder than 95% of U.S. cities in the PlainClimate database.
When is the growing season in Hillsboro? ▼
Hillsboro has approximately 234 frost-free days per year, with the last spring freeze around March 21 and the first fall freeze around November 10.
How much energy does heating and cooling require in Hillsboro? ▼
Hillsboro has 2,257 heating degree days and 2,675 cooling degree days annually, a fairly balanced heating/cooling split. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this Hillsboro climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00414182 near Hillsboro.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00414182. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial
Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.