Climate Comfort Score
68/100
Good
NOAA 1991–2020 normals 52°F annual avg Public-domain federal data
Pittsburgh Allegheny CO, PA Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 52°F
- Avg annual temp
- 68/100
- Comfort score
- 41.3"
- Annual precip
- 193d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Pittsburgh Allegheny CO
Pittsburgh Allegheny CO, Pennsylvania averages 52°F a year and scores 68/100 on the comfort index - good, milder than 58% of U.S. cities.
- 52°F
- average temperature, NOAA 1991-2020 normal
- 68/100
- comfort score, milder than 58% of U.S. cities
- 41.3"
- precipitation, annual total
- 193 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
52°F (11°C)
Avg High
61°F
Avg Low
44°F
Annual Precip
41.3"
Comfort Score
68/100
Good
Avg Annual Temperature
52°F
30-year mean (NOAA NCEI)
Annual Precipitation
41.3"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Pittsburgh Allegheny CO) 68.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Pittsburgh Allegheny CO area.
How Pittsburgh Allegheny CO compares to every U.S. city
Pittsburgh Allegheny CO's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
68 Top 42% higher than 58% 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 Pittsburgh Allegheny CO
MethodologyThe chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For Pittsburgh Allegheny CO, 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 | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 37°F (3°C) | 22°F (-5°C) | 30°F (-1°C) | 3.1" | 25.0 | 0.0 |
| February | 40°F (4°C) | 24°F (-4°C) | 32°F (0°C) | 2.6" | 23.2 | 0.0 |
| March | 49°F (10°C) | 31°F (0°C) | 40°F (5°C) | 3.2" | 17.3 | 0.0 |
| April | 63°F (17°C) | 42°F (5°C) | 52°F (11°C) | 3.4" | 4.5 | 0.0 |
| May | 72°F (22°C) | 52°F (11°C) | 62°F (17°C) | 4.1" | 0.1 | 0.1 |
| June | 79°F (26°C) | 60°F (16°C) | 70°F (21°C) | 4.6" | 0.0 | 1.0 |
| July | 83°F (28°C) | 64°F (18°C) | 74°F (23°C) | 3.9" | 0.0 | 4.0 |
| August | 81°F (27°C) | 63°F (17°C) | 72°F (22°C) | 3.8" | 0.0 | 2.5 |
| September | 75°F (24°C) | 56°F (13°C) | 65°F (19°C) | 3.5" | 0.0 | 0.7 |
| October | 63°F (17°C) | 45°F (7°C) | 54°F (12°C) | 3.1" | 1.5 | 0.0 |
| November | 51°F (11°C) | 35°F (2°C) | 43°F (6°C) | 3.0" | 11.6 | 0.0 |
| December | 41°F (5°C) | 28°F (-2°C) | 34°F (1°C) | 3.0" | 22.5 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 3.1"
13.2 days with precipitation
February 2.6"
12.8 days with precipitation
March 3.2"
14.4 days with precipitation
April 3.4"
14.2 days with precipitation
May 4.1"
15.2 days with precipitation
June 4.6"
14.0 days with precipitation
July 3.9"
13.0 days with precipitation
August 3.8"
12.4 days with precipitation
September 3.5"
11.6 days with precipitation
October 3.1"
14.0 days with precipitation
November 3.0"
12.2 days with precipitation
December 3.0"
14.3 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 28
50% probability date
Last Spring Freeze
April 18
50% probability date
Growing Season
193 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
5,407
Higher = more heating needed
Cooling Degree Days
826
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
Humidity & Wind
Monthly averages from hourly observations
| Month | Humidity | Wind (mph) | Clear Sky % | Overcast % |
|---|---|---|---|---|
| January | 69% | 9.2 | 27% | 51% |
| February | 64% | 9.3 | 27% | 49% |
| March | 57% | 9.1 | 36% | 37% |
| April | 58% | 8.2 | 36% | 29% |
| May | 67% | 7.2 | 36% | 25% |
| June | 68% | 6.8 | 38% | 16% |
| July | 69% | 6.2 | 37% | 15% |
| August | 70% | 6.0 | 45% | 16% |
| September | 71% | 7.0 | 44% | 23% |
| October | 65% | 8.0 | 40% | 34% |
| November | 69% | 9.1 | 29% | 47% |
| December | 72% | 9.3 | 27% | 52% |
What Pittsburgh Allegheny CO's climate means for you
Pittsburgh Allegheny CO runs 52°F a year - peaking in July, coldest in January.
- Gardeners get about 193 frost-free days, with the last spring freeze near April 18 - plan the planting calendar around it, not the regional average.
- Energy bills track 5,407 heating and 826 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: Pittsburgh Allegheny CO, PA
The NOAA 1991–2020 climate normals describe Pittsburgh Allegheny CO, Pennsylvania as a location with an annual average temperature of 52°F, ranging from a mean daily high of 61°F to a mean daily low of 44°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USW00014762, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.
Beyond temperature, Pittsburgh Allegheny CO averages 41.3 inches of precipitation annually, predominantly as rainfall - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 193 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 18 and the first fall freeze near October 28. Turning to energy use, 5,407 heating degree days and 826 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Pittsburgh Allegheny CO scores 68/100 (Good), 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 July-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 Pittsburgh Allegheny CO, PA? ▼
The average annual temperature in Pittsburgh Allegheny CO, Pennsylvania is 52°F. The warmest month averages 83°F (28°C) and the coldest averages 22°F (-5°C).
How much rain does Pittsburgh Allegheny CO get? ▼
Pittsburgh Allegheny CO receives 41.3 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Pittsburgh Allegheny CO? ▼
Pittsburgh Allegheny CO has a climate comfort score of 68/100 (Good), milder than 58% of U.S. cities in the PlainClimate database.
When is the growing season in Pittsburgh Allegheny CO? ▼
Pittsburgh Allegheny CO has approximately 193 frost-free days per year, with the last spring freeze around April 18 and the first fall freeze around October 28.
How much energy does heating and cooling require in Pittsburgh Allegheny CO? ▼
Pittsburgh Allegheny CO has 5,407 heating degree days and 826 cooling degree days annually, a heating-dominated climate. 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 Pittsburgh Allegheny CO climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00014762 near Pittsburgh Allegheny CO.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00014762. 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.