Climate Comfort Score
78/100
Good
NOAA 1991–2020 normals 56°F annual avg Public-domain federal data
Baltimore Wash, MD Climate
Annual temperature, rainfall, and a comfort score, sourced from NOAA NCEI's 1991–2020 normals →
- 56°F
- Avg annual temp
- 78/100
- Comfort score
- 45.0"
- Annual precip
- 204d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Baltimore Wash
Baltimore Wash, Maryland averages 56°F a year and scores 78/100 on the comfort index - good, milder than 74% of U.S. cities.
- 56°F
- yearly average temperature, NOAA normal
- 78/100
- comfort score, milder than 74% of U.S. cities
- 45.0"
- annual precipitation · 19" snow
- 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
56°F (13°C)
Avg High
67°F
Avg Low
46°F
Annual Precip
45.0"
Annual Snow
19.3"
Comfort Score
78/100
Good
Avg Annual Temperature
56°F
30-year mean (NOAA NCEI)
Annual Precipitation
45.0"
Plus 19.3" of snow
Comfort score vs national 100-point ceiling (Baltimore Wash) 78.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Baltimore Wash area.
How Baltimore Wash compares to every U.S. city
Baltimore Wash's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
78 Top 26% higher than 74% 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 Baltimore Wash
MethodologyHow the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Baltimore Wash captures average conditions across the spread shown, the most recent decade is 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 | 43°F (6°C) | 25°F (-4°C) | 34°F (1°C) | 3.1" | 6.4" | 24.0 | 0.0 |
| February | 46°F (8°C) | 27°F (-3°C) | 37°F (3°C) | 2.9" | 7.5" | 21.0 | 0.0 |
| March | 55°F (13°C) | 34°F (1°C) | 44°F (7°C) | 4.0" | 2.8" | 13.9 | 0.0 |
| April | 67°F (19°C) | 44°F (6°C) | 55°F (13°C) | 3.4" | 0.0" | 2.4 | 0.4 |
| May | 76°F (24°C) | 53°F (12°C) | 64°F (18°C) | 3.9" | 0.0" | 0.0 | 2.1 |
| June | 84°F (29°C) | 63°F (17°C) | 74°F (23°C) | 4.0" | 0.0" | 0.0 | 6.7 |
| July | 89°F (32°C) | 68°F (20°C) | 78°F (26°C) | 4.5" | 0.0" | 0.0 | 13.4 |
| August | 87°F (30°C) | 66°F (19°C) | 76°F (25°C) | 4.1" | 0.0" | 0.0 | 8.2 |
| September | 80°F (27°C) | 59°F (15°C) | 69°F (21°C) | 4.4" | 0.0" | 0.0 | 2.8 |
| October | 68°F (20°C) | 47°F (8°C) | 57°F (14°C) | 3.9" | 0.0" | 1.0 | 0.2 |
| November | 57°F (14°C) | 37°F (3°C) | 47°F (8°C) | 3.1" | 0.1" | 10.4 | 0.0 |
| December | 48°F (9°C) | 30°F (-1°C) | 39°F (4°C) | 3.7" | 2.5" | 20.6 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 3.1"
Snow: 6.4"
10.1 days with precipitation
February 2.9"
Snow: 7.5"
9.3 days with precipitation
March 4.0"
Snow: 2.8"
11.0 days with precipitation
April 3.4"
11.2 days with precipitation
May 3.9"
11.9 days with precipitation
June 4.0"
11.3 days with precipitation
July 4.5"
10.4 days with precipitation
August 4.1"
9.6 days with precipitation
September 4.4"
9.1 days with precipitation
October 3.9"
8.6 days with precipitation
November 3.1"
Snow: 0.1"
8.5 days with precipitation
December 3.7"
Snow: 2.5"
10.3 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 31
50% probability date
Last Spring Freeze
April 10
50% probability date
Growing Season
204 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
4,484
Higher = more heating needed
Cooling Degree Days
1,322
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
Humidity & Wind
Monthly averages from hourly observations
| Month | Humidity | Wind (mph) | Clear Sky % | Overcast % |
|---|---|---|---|---|
| January | 61% | 7.5 | 17% | 34% |
| February | 60% | 8.5 | 14% | 37% |
| March | 57% | 8.3 | 15% | 34% |
| April | 62% | 7.5 | 13% | 31% |
| May | 68% | 6.4 | 12% | 29% |
| June | 67% | 5.9 | 12% | 21% |
| July | 70% | 5.5 | 12% | 22% |
| August | 70% | 5.8 | 15% | 21% |
| September | 73% | 6.0 | 20% | 24% |
| October | 68% | 6.4 | 20% | 28% |
| November | 66% | 6.9 | 15% | 31% |
| December | 65% | 7.3 | 15% | 34% |
What Baltimore Wash's climate means for you
Baltimore Wash runs 56°F a year - peaking in July, coldest in January.
- Gardeners get about 204 frost-free days, with the last spring freeze near April 10 - plan the planting calendar around it, not the regional average.
- Energy bills track 4,484 heating and 1,322 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: Baltimore Wash, MD
Based on station USW00093721 feeding NOAA's 1991–2020 climate normals, Baltimore Wash, Maryland averages 56°F a year, ranging from a mean daily high of 67°F to a mean daily low of 46°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.
Baltimore Wash averages 45.0 inches of precipitation a year, with 19.3 inches typically falling as snow, 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 10 and the first fall freeze near October 31. As for energy demand, 4,484 heating degree days and 1,322 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Baltimore Wash scores 78/100 (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.
Frequently Asked Questions
What is the average temperature in Baltimore Wash, MD? ▼
The average annual temperature in Baltimore Wash, Maryland is 56°F. The warmest month averages 89°F (32°C) and the coldest averages 25°F (-4°C).
How much rain does Baltimore Wash get? ▼
Baltimore Wash receives 45.0 inches of precipitation annually, including 19.3 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Baltimore Wash? ▼
Baltimore Wash has a climate comfort score of 78/100 (Good), milder than 74% of U.S. cities in the PlainClimate database.
When is the growing season in Baltimore Wash? ▼
Baltimore Wash has approximately 204 frost-free days per year, with the last spring freeze around April 10 and the first fall freeze around October 31.
How much energy does heating and cooling require in Baltimore Wash? ▼
Baltimore Wash has 4,484 heating degree days and 1,322 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 Baltimore Wash climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00093721 near Baltimore Wash.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00093721. 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.