Climate Comfort Score
68/100
Good
NOAA 1991–2020 normals 50°F annual avg Public-domain federal data
W Harwich, MA Climate
Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score
- 50°F
- Avg annual temp
- 68/100
- Comfort score
- 46.3"
- Annual precip
- 204d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for W Harwich
W Harwich, Massachusetts averages 50°F a year and scores 68/100 on the comfort index - good, milder than 58% of U.S. cities.
- 50°F
- average temperature, NOAA 1991-2020 normal
- 68/100
- comfort score, milder than 58% of U.S. cities
- 46.3"
- annual precipitation
- 204 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
50°F (10°C)
Avg High
57°F
Avg Low
44°F
Annual Precip
46.3"
Comfort Score
68/100
Good
Avg Annual Temperature
50°F
30-year mean (NOAA NCEI)
Annual Precipitation
46.3"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (W Harwich) 68.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the W Harwich area.
How W Harwich compares to every U.S. city
W Harwich's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
68 Top 42% higher than 58% 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 W Harwich
MethodologyHow the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for W Harwich 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 | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 38°F (3°C) | 25°F (-4°C) | 31°F (0°C) | 3.8" | 22.8 | 0.0 |
| February | 38°F (3°C) | 24°F (-4°C) | 31°F (-1°C) | 3.7" | 18.8 | 0.0 |
| March | 44°F (7°C) | 30°F (-1°C) | 37°F (3°C) | 4.3" | 17.8 | 0.0 |
| April | 52°F (11°C) | 39°F (4°C) | 45°F (7°C) | 4.1" | 3.8 | 0.0 |
| May | 62°F (16°C) | 48°F (9°C) | 55°F (13°C) | 3.5" | 0.0 | 0.0 |
| June | 71°F (21°C) | 58°F (14°C) | 64°F (18°C) | 3.3" | 0.0 | 0.0 |
| July | 78°F (25°C) | 65°F (18°C) | 71°F (22°C) | 2.8" | 0.0 | 0.5 |
| August | 78°F (25°C) | 64°F (18°C) | 71°F (21°C) | 3.4" | 0.0 | 0.0 |
| September | 71°F (22°C) | 57°F (14°C) | 64°F (18°C) | 3.9" | 0.0 | 0.0 |
| October | 62°F (16°C) | 47°F (8°C) | 54°F (12°C) | 4.7" | 1.0 | 0.0 |
| November | 52°F (11°C) | 37°F (3°C) | 45°F (7°C) | 4.0" | 9.0 | 0.0 |
| December | 43°F (6°C) | 30°F (-1°C) | 37°F (3°C) | 4.8" | 21.0 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 3.8"
February 3.7"
March 4.3"
April 4.1"
May 3.5"
June 3.3"
July 2.8"
August 3.4"
September 3.9"
October 4.7"
November 4.0"
December 4.8"
Frost Dates & Growing Season
First Fall Freeze
November 3
50% probability date
Last Spring Freeze
April 13
50% probability date
Growing Season
204 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
5,761
Higher = more heating needed
Cooling Degree Days
466
Higher = more cooling needed
Warmest Month
July
Coldest Month
February
What W Harwich's climate means for you
W Harwich runs 50°F a year - peaking in July, coldest in February.
- Gardeners get about 204 frost-free days, with the last spring freeze near April 13 - plan the planting calendar around it, not the regional average.
- Energy bills track 5,761 heating and 466 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: W Harwich, MA
In W Harwich, Massachusetts, the NOAA 1991–2020 climate normals put the annual average temperature at 50°F, ranging from a mean daily high of 57°F to a mean daily low of 44°F. July is typically the warmest month of the year, while February is the coldest. As thirty-year averages computed from station USC00199227, these numbers smooth out year-to-year noise into a working baseline for a typical month.
W Harwich averages 46.3 inches of precipitation a year, predominantly as rainfall, 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 13 and the first fall freeze near November 3. As for energy demand, 5,761 heating degree days and 466 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, W Harwich scores 68/100 (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 February-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 W Harwich, MA? ▼
The average annual temperature in W Harwich, Massachusetts is 50°F. The warmest month averages 78°F (25°C) and the coldest averages 24°F (-4°C).
How much rain does W Harwich get? ▼
W Harwich receives 46.3 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for W Harwich? ▼
W Harwich has a climate comfort score of 68/100 (Good), milder than 58% of U.S. cities in the PlainClimate database.
When is the growing season in W Harwich? ▼
W Harwich has approximately 204 frost-free days per year, with the last spring freeze around April 13 and the first fall freeze around November 3.
How much energy does heating and cooling require in W Harwich? ▼
W Harwich has 5,761 heating degree days and 466 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 W Harwich climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00199227 near W Harwich.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00199227. 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.