Climate Comfort Score
58/100
Moderate
NOAA 1991–2020 normals 46°F annual avg Public-domain federal data
Tenants Harbor, ME Climate
Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →
- 46°F
- Avg annual temp
- 58/100
- Comfort score
- 47.6"
- Annual precip
- 181d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Tenants Harbor
Tenants Harbor, Maine averages 46°F a year and scores 58/100 on the comfort index - moderate, milder than 38% of U.S. cities.
- 46°F
- annual average temperature (NOAA normal)
- 58/100
- comfort score, milder than 38% of U.S. cities
- 47.6"
- annual precipitation · 53" snow
- 181 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
46°F (8°C)
Avg High
55°F
Avg Low
38°F
Annual Precip
47.6"
Annual Snow
53.1"
Comfort Score
58/100
Moderate
Avg Annual Temperature
46°F
30-year mean (NOAA NCEI)
Annual Precipitation
47.6"
Plus 53.1" of snow
Comfort score vs national 100-point ceiling (Tenants Harbor) 58.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Tenants Harbor area.
How Tenants Harbor compares to every U.S. city
Tenants Harbor's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
58 Top 62% higher than 38% 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 Tenants Harbor
MethodologyThe chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For Tenants Harbor, the NOAA 1991-2020 normal captures average conditions across that spread - notably, the most recent decade runs warmer than the 30-year mean itself.
- 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 | 35°F (2°C) | 17°F (-8°C) | 26°F (-3°C) | 4.0" | 15.1" | 28.2 | 0.0 |
| February | 37°F (3°C) | 19°F (-7°C) | 28°F (-2°C) | 3.5" | 13.9" | 25.1 | 0.0 |
| March | 43°F (6°C) | 25°F (-4°C) | 34°F (1°C) | 4.5" | 8.4" | 23.5 | 0.0 |
| April | 51°F (11°C) | 34°F (1°C) | 43°F (6°C) | 4.3" | 2.3" | 9.9 | 0.0 |
| May | 61°F (16°C) | 43°F (6°C) | 52°F (11°C) | 3.5" | 0.0" | 0.2 | 0.0 |
| June | 69°F (20°C) | 50°F (10°C) | 59°F (15°C) | 3.8" | 0.0" | 0.0 | 0.0 |
| July | 74°F (23°C) | 56°F (13°C) | 65°F (18°C) | 3.1" | 0.0" | 0.0 | 0.0 |
| August | 74°F (23°C) | 57°F (14°C) | 65°F (19°C) | 2.9" | 0.0" | 0.0 | 0.0 |
| September | 68°F (20°C) | 52°F (11°C) | 60°F (15°C) | 4.0" | 0.0" | 0.0 | 0.0 |
| October | 59°F (15°C) | 43°F (6°C) | 51°F (10°C) | 4.7" | 0.1" | 1.4 | 0.0 |
| November | 49°F (10°C) | 34°F (1°C) | 41°F (5°C) | 4.5" | 2.0" | 11.7 | 0.0 |
| December | 41°F (5°C) | 24°F (-4°C) | 33°F (0°C) | 4.8" | 11.3" | 23.7 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 4.0"
Snow: 15.1"
11.1 days with precipitation
February 3.5"
Snow: 13.9"
10.0 days with precipitation
March 4.5"
Snow: 8.4"
11.4 days with precipitation
April 4.3"
Snow: 2.3"
11.5 days with precipitation
May 3.5"
13.0 days with precipitation
June 3.8"
12.3 days with precipitation
July 3.1"
11.9 days with precipitation
August 2.9"
9.7 days with precipitation
September 4.0"
10.1 days with precipitation
October 4.7"
Snow: 0.1"
11.2 days with precipitation
November 4.5"
Snow: 2.0"
11.2 days with precipitation
December 4.8"
Snow: 11.3"
12.9 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 25
50% probability date
Last Spring Freeze
April 27
50% probability date
Growing Season
181 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
6,877
Higher = more heating needed
Cooling Degree Days
122
Higher = more cooling needed
Warmest Month
August
Coldest Month
January
What Tenants Harbor's climate means for you
Tenants Harbor runs 46°F a year - peaking in August, coldest in January.
- Gardeners get about 181 frost-free days, with the last spring freeze near April 27 - plan the planting calendar around it, not the regional average.
- Energy bills track 6,877 heating and 122 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: Tenants Harbor, ME
An annual average temperature of 46°F, ranging from a mean daily high of 55°F to a mean daily low of 38°F is what the NOAA 1991–2020 climate normals report for Tenants Harbor, Maine. August is typically the warmest month of the year, while January is the coldest. That baseline comes from station USC00176881 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.
Beyond temperature, Tenants Harbor averages 47.6 inches of precipitation annually, with 53.1 inches typically falling as snow - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 181 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 27 and the first fall freeze near October 25. Turning to energy use, 6,877 heating degree days and 122 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Tenants Harbor scores 58/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above turn that into a planning tool: expect the mildest highs and lows in the shoulder seasons, August-driven heat at the peak of summer, and January-driven cold at the depth of winter. Every number here is a thirty-year average, not a forecast, so any given year can and does run warmer, cooler, wetter, or drier than the normal.
Frequently Asked Questions
What is the average temperature in Tenants Harbor, ME? ▼
The average annual temperature in Tenants Harbor, Maine is 46°F. The warmest month averages 74°F (23°C) and the coldest averages 17°F (-8°C).
How much rain does Tenants Harbor get? ▼
Tenants Harbor receives 47.6 inches of precipitation annually, including 53.1 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Tenants Harbor? ▼
Tenants Harbor has a climate comfort score of 58/100 (Moderate), milder than 38% of U.S. cities in the PlainClimate database.
When is the growing season in Tenants Harbor? ▼
Tenants Harbor has approximately 181 frost-free days per year, with the last spring freeze around April 27 and the first fall freeze around October 25.
How much energy does heating and cooling require in Tenants Harbor? ▼
Tenants Harbor has 6,877 heating degree days and 122 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 Tenants Harbor climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00176881 near Tenants Harbor.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00176881. 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.