Climate Comfort Score
53/100
Moderate
NOAA 1991–2020 normals 54°F annual avg Public-domain federal data
Willow Grove, PA Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 54°F
- Avg annual temp
- 53/100
- Comfort score
- 204d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Willow Grove
Willow Grove, Pennsylvania averages 54°F a year and scores 53/100 on the comfort index - moderate, milder than 26% of U.S. cities.
- 54°F
- annual average temperature (NOAA normal)
- 53/100
- comfort score, milder than 26% of U.S. cities
- 204 days
- growing season, frost-free days
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
54°F (12°C)
Avg High
63°F
Avg Low
45°F
Annual Precip
N/A
Comfort Score
53/100
Moderate
Avg Annual Temperature
54°F
30-year mean (NOAA NCEI)
Annual Precipitation
N/A
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Willow Grove) 53.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Willow Grove area.
How Willow Grove compares to every U.S. city
Willow Grove's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
53 Top 74% higher than 26% 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 Willow Grove
MethodologySince 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Willow Grove's current NOAA 1991-2020 normal sits within that longer spread, and the most recent decade runs warmer than the 30-year mean.
- 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 | 40°F (4°C) | 24°F (-4°C) | 32°F (0°C) | N/A | 24.4 | 0.0 |
| February | 43°F (6°C) | 26°F (-3°C) | 35°F (1°C) | N/A | 20.8 | 0.0 |
| March | 51°F (11°C) | 32°F (0°C) | 42°F (5°C) | N/A | 14.6 | 0.0 |
| April | 63°F (17°C) | 42°F (6°C) | 52°F (11°C) | N/A | 3.0 | 0.5 |
| May | 72°F (22°C) | 52°F (11°C) | 62°F (17°C) | N/A | 0.1 | 1.5 |
| June | 81°F (27°C) | 61°F (16°C) | 71°F (22°C) | N/A | 0.0 | 5.2 |
| July | 85°F (30°C) | 67°F (19°C) | 76°F (24°C) | N/A | 0.0 | 8.0 |
| August | 83°F (28°C) | 65°F (18°C) | 74°F (23°C) | N/A | 0.0 | 6.0 |
| September | 76°F (24°C) | 58°F (14°C) | 67°F (19°C) | N/A | 0.0 | 1.1 |
| October | 64°F (18°C) | 47°F (8°C) | 56°F (13°C) | N/A | 1.0 | 0.0 |
| November | 54°F (12°C) | 37°F (3°C) | 45°F (7°C) | N/A | 9.3 | 0.0 |
| December | 44°F (6°C) | 30°F (-1°C) | 37°F (3°C) | N/A | 19.1 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January N/A
February N/A
March N/A
April N/A
May N/A
June N/A
July N/A
August N/A
September N/A
October N/A
November N/A
December N/A
Frost Dates & Growing Season
First Fall Freeze
November 1
50% probability date
Last Spring Freeze
April 11
50% probability date
Growing Season
204 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
5,008
Higher = more heating needed
Cooling Degree Days
1,027
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Willow Grove's climate means for you
Willow Grove runs 54°F a year - peaking in July, coldest in January.
- Gardeners get about 204 frost-free days, with the last spring freeze near April 11 - plan the planting calendar around it, not the regional average.
- Energy bills track 5,008 heating and 1,027 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: Willow Grove, PA
Willow Grove, Pennsylvania runs an annual average of 54°F, ranging from a mean daily high of 63°F to a mean daily low of 45°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while January is the coldest. Drawn from station USW00014793, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Willow Grove averages an uncharted amount of precipitation a year, predominantly as rainfall, and that matters as much to daily life here as temperature does. The frost-free season averages 204 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 11 and the first fall freeze near November 1. As for energy demand, 5,008 heating degree days and 1,027 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Willow Grove scores 53/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, July-driven heat peaks in summer, and January-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.
Frequently Asked Questions
What is the average temperature in Willow Grove, PA? ▼
The average annual temperature in Willow Grove, Pennsylvania is 54°F. The warmest month averages 85°F (30°C) and the coldest averages 24°F (-4°C).
How much rain does Willow Grove get? ▼
Willow Grove receives an unknown amount of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Willow Grove? ▼
Willow Grove has a climate comfort score of 53/100 (Moderate), milder than 26% of U.S. cities in the PlainClimate database.
When is the growing season in Willow Grove? ▼
Willow Grove has approximately 204 frost-free days per year, with the last spring freeze around April 11 and the first fall freeze around November 1.
How much energy does heating and cooling require in Willow Grove? ▼
Willow Grove has 5,008 heating degree days and 1,027 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 Willow Grove climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00014793 near Willow Grove.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00014793. 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.