Climate Comfort Score
64/100
Good
NOAA 1991–2020 normals 49°F annual avg Public-domain federal data
Ashtabula CO, OH Climate
Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score
- 49°F
- Avg annual temp
- 64/100
- Comfort score
- 37.1"
- Annual precip
- 172d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Ashtabula CO
Ashtabula CO, Ohio averages 49°F a year and scores 64/100 on the comfort index - good, milder than 51% of U.S. cities.
- 49°F
- average temperature, NOAA 1991-2020 normal
- 64/100
- comfort score, milder than 51% of U.S. cities
- 37.1"
- annual precipitation
- 172 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
49°F (9°C)
Avg High
58°F
Avg Low
40°F
Annual Precip
37.1"
Comfort Score
64/100
Good
Avg Annual Temperature
49°F
30-year mean (NOAA NCEI)
Annual Precipitation
37.1"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Ashtabula CO) 64.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Ashtabula CO area.
How Ashtabula CO compares to every U.S. city
Ashtabula CO's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
64 Top 49% higher than 51% 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 Ashtabula CO
MethodologySince 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Ashtabula CO'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 | 33°F (1°C) | 19°F (-7°C) | 26°F (-3°C) | 1.9" | 26.4 | 0.0 |
| February | 36°F (2°C) | 19°F (-7°C) | 28°F (-2°C) | 1.7" | 24.5 | 0.0 |
| March | 44°F (7°C) | 26°F (-3°C) | 35°F (2°C) | 2.4" | 22.6 | 0.0 |
| April | 58°F (14°C) | 36°F (2°C) | 47°F (8°C) | 3.4" | 10.3 | 0.0 |
| May | 69°F (20°C) | 46°F (8°C) | 58°F (14°C) | 3.3" | 1.3 | 0.2 |
| June | 77°F (25°C) | 55°F (13°C) | 66°F (19°C) | 3.7" | 0.0 | 1.7 |
| July | 81°F (27°C) | 60°F (15°C) | 70°F (21°C) | 4.3" | 0.0 | 3.0 |
| August | 79°F (26°C) | 58°F (15°C) | 69°F (20°C) | 3.6" | 0.0 | 1.3 |
| September | 73°F (23°C) | 52°F (11°C) | 62°F (17°C) | 3.9" | 0.1 | 0.7 |
| October | 61°F (16°C) | 42°F (6°C) | 52°F (11°C) | 3.7" | 2.4 | 0.0 |
| November | 49°F (9°C) | 34°F (1°C) | 41°F (5°C) | 3.1" | 12.9 | 0.0 |
| December | 38°F (3°C) | 26°F (-3°C) | 32°F (0°C) | 2.3" | 23.2 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 1.9"
14.1 days with precipitation
February 1.7"
11.1 days with precipitation
March 2.4"
12.5 days with precipitation
April 3.4"
13.9 days with precipitation
May 3.3"
14.2 days with precipitation
June 3.7"
13.3 days with precipitation
July 4.3"
12.6 days with precipitation
August 3.6"
13.9 days with precipitation
September 3.9"
13.7 days with precipitation
October 3.7"
15.5 days with precipitation
November 3.1"
13.8 days with precipitation
December 2.3"
14.6 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 21
50% probability date
Last Spring Freeze
May 2
50% probability date
Growing Season
172 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
6,372
Higher = more heating needed
Cooling Degree Days
523
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Ashtabula CO's climate means for you
Ashtabula CO runs 49°F a year - peaking in July, coldest in January.
- Gardeners get about 172 frost-free days, with the last spring freeze near May 2 - plan the planting calendar around it, not the regional average.
- Energy bills track 6,372 heating and 523 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: Ashtabula CO, OH
Based on station USW00004857 feeding NOAA's 1991–2020 climate normals, Ashtabula CO, Ohio averages 49°F a year, ranging from a mean daily high of 58°F to a mean daily low of 40°F. July 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, Ashtabula CO averages 37.1 inches of precipitation annually, predominantly as rainfall - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 172 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 2 and the first fall freeze near October 21. Turning to energy use, 6,372 heating degree days and 523 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Ashtabula CO scores 64/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings July-driven heat, and deep winter brings January-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.
Frequently Asked Questions
What is the average temperature in Ashtabula CO, OH? ▼
The average annual temperature in Ashtabula CO, Ohio is 49°F. The warmest month averages 81°F (27°C) and the coldest averages 19°F (-7°C).
How much rain does Ashtabula CO get? ▼
Ashtabula CO receives 37.1 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Ashtabula CO? ▼
Ashtabula CO has a climate comfort score of 64/100 (Good), milder than 51% of U.S. cities in the PlainClimate database.
When is the growing season in Ashtabula CO? ▼
Ashtabula CO has approximately 172 frost-free days per year, with the last spring freeze around May 2 and the first fall freeze around October 21.
How much energy does heating and cooling require in Ashtabula CO? ▼
Ashtabula CO has 6,372 heating degree days and 523 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 Ashtabula CO climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00004857 near Ashtabula CO.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00004857. 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.