Climate Comfort Score
64/100
Good
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Petersburg
Petersburg, West Virginia averages 55°F a year and scores 64/100 on the comfort index - good, milder than 51% of U.S. cities.
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
55°F (13°C)
Avg High
67°F
Avg Low
42°F
Annual Precip
40.3"
Comfort Score
64/100
Good
Climate Comfort Score
64/100
Good
Avg Annual Temperature
55°F
30-year mean (NOAA NCEI)
Annual Precipitation
40.3"
Liquid-equivalent total
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Petersburg area.
Petersburg'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
How the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Petersburg captures average conditions across the spread shown, the most recent decade is warmer than the 30-year mean.
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 44°F (7°C) | 23°F (-5°C) | 34°F (1°C) | 2.6" | 25.9 | 0.0 |
| February | 47°F (8°C) | 25°F (-4°C) | 36°F (2°C) | 2.6" | 24.0 | 0.0 |
| March | 56°F (13°C) | 31°F (0°C) | 44°F (6°C) | 3.5" | 18.7 | 0.0 |
| April | 68°F (20°C) | 40°F (5°C) | 54°F (12°C) | 3.5" | 7.2 | 0.4 |
| May | 76°F (24°C) | 50°F (10°C) | 63°F (17°C) | 4.5" | 1.2 | 2.1 |
| June | 84°F (29°C) | 59°F (15°C) | 72°F (22°C) | 4.2" | 0.0 | 5.8 |
| July | 89°F (31°C) | 63°F (17°C) | 76°F (24°C) | 4.5" | 0.0 | 10.9 |
| August | 86°F (30°C) | 62°F (16°C) | 74°F (23°C) | 3.6" | 0.0 | 7.2 |
| September | 81°F (27°C) | 54°F (12°C) | 67°F (20°C) | 3.3" | 0.0 | 3.9 |
| October | 69°F (20°C) | 42°F (6°C) | 55°F (13°C) | 2.7" | 5.9 | 0.0 |
| November | 57°F (14°C) | 33°F (1°C) | 45°F (7°C) | 2.5" | 17.7 | 0.1 |
| December | 47°F (9°C) | 27°F (-3°C) | 37°F (3°C) | 2.9" | 23.9 | 0.0 |
Average monthly rainfall
First Fall Freeze
October 20
50% probability date
Last Spring Freeze
April 23
50% probability date
Growing Season
180 days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
4,795
Higher = more heating needed
Cooling Degree Days
1,060
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Petersburg's climate means for you
Petersburg runs 55°F a year - peaking in July, coldest in January.
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
Petersburg, West Virginia runs an annual average of 55°F, ranging from a mean daily high of 67°F to a mean daily low of 42°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 USC00466952, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Beyond temperature, Petersburg averages 40.3 inches of precipitation annually, predominantly as rainfall - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 180 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 23 and the first fall freeze near October 20. Turning to energy use, 4,795 heating degree days and 1,060 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Petersburg scores 64/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows, shoulder seasons for mild highs and lows, peak summer for July-driven heat, or deep winter for January-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00466952. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
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.