Climate Comfort Score
93/100
Excellent
NOAA 1991–2020 normals 62°F annual avg Public-domain federal data
Smithfield, NC Climate
Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →
- 62°F
- Avg annual temp
- 93/100
- Comfort score
- 49.4"
- Annual precip
- 221d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Smithfield
Smithfield, North Carolina averages 62°F a year and scores 93/100 on the comfort index - excellent, milder than 95% of U.S. cities.
- 62°F
- yearly average temperature, NOAA normal
- 93/100
- comfort score, milder than 95% of U.S. cities
- 49.4"
- annual precipitation · 1" snow
- 221 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
62°F (16°C)
Avg High
73°F
Avg Low
50°F
Annual Precip
49.4"
Annual Snow
0.8"
Comfort Score
93/100
Excellent
Avg Annual Temperature
62°F
30-year mean (NOAA NCEI)
Annual Precipitation
49.4"
Plus 0.8" of snow
Comfort score vs national 100-point ceiling (Smithfield) 93.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Smithfield area.
How Smithfield compares to every U.S. city
Smithfield'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 Smithfield
MethodologySmithfield's NOAA 1991-2020 normal sits inside a longer story: U.S. land temperatures have been tracking (and drifting from) the global mean since 1900, and the chart below shows that spread, with the most recent decade running 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 | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 54°F (12°C) | 31°F (0°C) | 43°F (6°C) | 3.5" | 0.1" | 19.6 | 0.0 |
| February | 57°F (14°C) | 33°F (1°C) | 45°F (7°C) | 3.3" | 0.0" | 15.9 | 0.0 |
| March | 65°F (18°C) | 39°F (4°C) | 52°F (11°C) | 4.0" | 0.0" | 9.7 | 0.0 |
| April | 74°F (23°C) | 48°F (9°C) | 61°F (16°C) | 3.7" | 0.0" | 1.7 | 0.5 |
| May | 81°F (27°C) | 57°F (14°C) | 69°F (21°C) | 4.2" | 0.0" | 0.0 | 3.1 |
| June | 88°F (31°C) | 66°F (19°C) | 77°F (25°C) | 4.7" | 0.0" | 0.0 | 11.6 |
| July | 92°F (33°C) | 71°F (22°C) | 81°F (27°C) | 5.5" | 0.0" | 0.0 | 18.5 |
| August | 89°F (32°C) | 69°F (20°C) | 79°F (26°C) | 5.3" | 0.0" | 0.0 | 13.7 |
| September | 84°F (29°C) | 63°F (17°C) | 73°F (23°C) | 5.5" | 0.0" | 0.0 | 4.9 |
| October | 74°F (24°C) | 50°F (10°C) | 62°F (17°C) | 3.2" | 0.0" | 1.2 | 0.4 |
| November | 64°F (18°C) | 39°F (4°C) | 52°F (11°C) | 3.3" | 0.0" | 10.2 | 0.0 |
| December | 57°F (14°C) | 34°F (1°C) | 45°F (7°C) | 3.3" | 0.7" | 17.4 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 3.5"
Snow: 0.1"
10.5 days with precipitation
February 3.3"
10.0 days with precipitation
March 4.0"
11.0 days with precipitation
April 3.7"
9.0 days with precipitation
May 4.2"
10.2 days with precipitation
June 4.7"
10.4 days with precipitation
July 5.5"
11.5 days with precipitation
August 5.3"
10.4 days with precipitation
September 5.5"
8.7 days with precipitation
October 3.2"
7.6 days with precipitation
November 3.3"
8.5 days with precipitation
December 3.3"
Snow: 0.7"
10.3 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
November 5
50% probability date
Last Spring Freeze
March 29
50% probability date
Growing Season
221 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
3,078
Higher = more heating needed
Cooling Degree Days
1,871
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Smithfield's climate means for you
Smithfield runs 62°F a year - peaking in July, coldest in January.
- Gardeners get about 221 frost-free days, with the last spring freeze near March 29 - plan the planting calendar around it, not the regional average.
- Energy bills track 3,078 heating and 1,871 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: Smithfield, NC
In Smithfield, North Carolina, the NOAA 1991–2020 climate normals put the annual average temperature at 62°F, ranging from a mean daily high of 73°F to a mean daily low of 50°F. July is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from station USC00317994, these numbers smooth out year-to-year noise into a working baseline for a typical month.
Beyond temperature, Smithfield averages 49.4 inches of precipitation annually, with 0.8 inches typically falling as snow - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 221 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 29 and the first fall freeze near November 5. Turning to energy use, 3,078 heating degree days and 1,871 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Smithfield scores 93/100 (Excellent), 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 Smithfield, NC? ▼
The average annual temperature in Smithfield, North Carolina is 62°F. The warmest month averages 92°F (33°C) and the coldest averages 31°F (0°C).
How much rain does Smithfield get? ▼
Smithfield receives 49.4 inches of precipitation annually, including 0.8 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Smithfield? ▼
Smithfield 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 Smithfield? ▼
Smithfield has approximately 221 frost-free days per year, with the last spring freeze around March 29 and the first fall freeze around November 5.
How much energy does heating and cooling require in Smithfield? ▼
Smithfield has 3,078 heating degree days and 1,871 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 Smithfield climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00317994 near Smithfield.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00317994. 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.