PlainClimate
NOAA 1991–2020 normals 53°F annual avg Public-domain federal data

Wilmington Porter Rsch, DE Climate

Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →

53°F
Avg annual temp
58/100
Comfort score
50.3"
Annual precip
211d
Growing season

30-year climate normals from 1 weather station (1991-2020).

The climate verdict for Wilmington Porter Rsch

Wilmington Porter Rsch, Delaware averages 53°F a year and scores 58/100 on the comfort index - moderate, milder than 38% of U.S. cities.

53°F
annual average temperature (NOAA normal)
58/100
comfort score, milder than 38% of U.S. cities
50.3"
annual precipitation · 12" snow
211 days
frost-free growing season

Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.

Avg Temperature

53°F (12°C)

Avg High

62°F

Avg Low

45°F

Annual Precip

50.3"

Annual Snow

12.0"

Comfort Score

58/100

Moderate

Climate Comfort Score

58/100

Moderate

Avg Annual Temperature

53°F

30-year mean (NOAA NCEI)

Annual Precipitation

50.3"

Plus 12.0" of snow

Comfort score vs national 100-point ceiling (Wilmington Porter Rsch) 58.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Wilmington Porter Rsch area.

How Wilmington Porter Rsch compares to every U.S. city

Wilmington Porter Rsch's comfort score vs. all U.S. cities

PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals

58 Top 62% higher than 38% of 6,915 US cities

0–10: 0 US cities (0%). Below this entry. 10–20: 0 US cities (0%). Below this entry. 20–30: 58 US cities (1%). Below this entry. 30–40: 439 US cities (6%). Below this entry. 40–50: 1,302 US cities (19%). Below this entry. 50–60: 1,433 US cities (21%). This entry sits in this band. 60–70: 1,357 US cities (20%). Above this entry. 70–80: 1,102 US cities (16%). Above this entry. 80–90: 778 US cities (11%). Above this entry. 90–100: 420 US cities (6%). Above this entry. This city 0 100 every U.S. city, bucketed by value

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 Wilmington Porter Rsch

Methodology

The chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For Wilmington Porter Rsch, the NOAA 1991-2020 normal captures average conditions across that spread - notably, the most recent decade runs warmer than the 30-year mean itself.

Warming context, U.S. vs global, with Paris reference lines Anomaly chart from 1900 to 2024. Local series shows warming of 0.11 °C per decade versus a global rate of 0.11 °C per decade (ratio 1.00). Paris Agreement thresholds at 1.5 and 2.0 °C are dashed. -1.0°C -0.5°C +0.0°C +0.5°C +1.0°C +1.5°C +2.0°C +2.5°C Paris 1.5°C Paris 2.0°C 1900192019401960198020002020
  • 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
Sources: NOAA NCEI, NASA GISTEMP. Paris thresholds per IPCC AR6 WG1.

Monthly Temperatures

Average daily high and low temperatures by month

Month Avg High Avg Low Mean
January 38°F (3°C) 24°F (-5°C) 31°F (-1°C)
February 41°F (5°C) 25°F (-4°C) 33°F (1°C)
March 49°F (10°C) 32°F (0°C) 41°F (5°C)
April 61°F (16°C) 43°F (6°C) 52°F (11°C)
May 71°F (21°C) 52°F (11°C) 62°F (16°C)
June 79°F (26°C) 62°F (17°C) 71°F (21°C)
July 84°F (29°C) 67°F (20°C) 76°F (24°C)
August 82°F (28°C) 66°F (19°C) 74°F (23°C)
September 75°F (24°C) 59°F (15°C) 67°F (19°C)
October 63°F (17°C) 47°F (8°C) 55°F (13°C)
November 53°F (11°C) 37°F (3°C) 45°F (7°C)
December 43°F (6°C) 29°F (-2°C) 36°F (2°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 3.7"

Snow: 5.3"

10.2 days with precipitation

February 3.0"

Snow: 4.0"

9.0 days with precipitation

March 4.7"

Snow: 1.8"

10.7 days with precipitation

April 4.1"

10.3 days with precipitation

May 3.8"

10.5 days with precipitation

June 4.7"

10.1 days with precipitation

July 5.2"

9.2 days with precipitation

August 4.4"

8.5 days with precipitation

September 5.1"

8.8 days with precipitation

October 4.1"

8.3 days with precipitation

November 3.3"

Snow: 0.1"

7.9 days with precipitation

December 4.4"

Snow: 0.8"

9.8 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

November 4

50% probability date

Last Spring Freeze

April 7

50% probability date

Growing Season

211 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

5,181

Higher = more heating needed

Cooling Degree Days

977

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

What Wilmington Porter Rsch's climate means for you

Wilmington Porter Rsch runs 53°F a year - peaking in July, coldest in January.

  • Gardeners get about 211 frost-free days, with the last spring freeze near April 7 - plan the planting calendar around it, not the regional average.
  • Energy bills track 5,181 heating and 977 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: Wilmington Porter Rsch, DE

The NOAA 1991–2020 climate normals describe Wilmington Porter Rsch, Delaware as a location with an annual average temperature of 53°F, ranging from a mean daily high of 62°F to a mean daily low of 45°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00079605, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Wilmington Porter Rsch sees about 50.3 inches of precipitation a year, with 12.0 inches typically falling as snow. The frost-free season averages 211 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 7 and the first fall freeze near November 4. On the energy side, 5,181 heating degree days and 977 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Wilmington Porter Rsch scores 58/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above turn that into a planning tool: expect the mildest highs and lows in the shoulder seasons, July-driven heat at the peak of summer, and January-driven cold at the depth of winter. Every number here is a thirty-year average, not a forecast, so any given year can and does run warmer, cooler, wetter, or drier than the normal.

Frequently Asked Questions

What is the average temperature in Wilmington Porter Rsch, DE?
The average annual temperature in Wilmington Porter Rsch, Delaware is 53°F. The warmest month averages 84°F (29°C) and the coldest averages 24°F (-5°C).
How much rain does Wilmington Porter Rsch get?
Wilmington Porter Rsch receives 50.3 inches of precipitation annually, including 12.0 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Wilmington Porter Rsch?
Wilmington Porter Rsch has a climate comfort score of 58/100 (Moderate), milder than 38% of U.S. cities in the PlainClimate database.
When is the growing season in Wilmington Porter Rsch?
Wilmington Porter Rsch has approximately 211 frost-free days per year, with the last spring freeze around April 7 and the first fall freeze around November 4.
How much energy does heating and cooling require in Wilmington Porter Rsch?
Wilmington Porter Rsch has 5,181 heating degree days and 977 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 Wilmington Porter Rsch climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00079605 near Wilmington Porter Rsch.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00079605. For informational purposes only.

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.