Climate Comfort Score
47/100
Moderate
Temperature, precipitation, and comfort score from NOAA NCEI 1991-2020 normals →
30-year climate normals from 1 weather station (1991-2020).
Sebec Lake, Maine has an average annual temperature of 41°F and a climate comfort score of 47/100 (Moderate). Annual precipitation totals 48.5", including 100.3" of snow. Based on NOAA 30-year normals (1991–2020).
Avg Temperature
41°F (5°C)
Avg High
53°F
Avg Low
30°F
Annual Precip
48.5"
Annual Snow
100.3"
Comfort Score
47/100
Moderate
Climate Comfort Score
47/100
Moderate
Avg Annual Temperature
41°F
30-year mean (NOAA NCEI)
Annual Precipitation
48.5"
Plus 100.3" of snow
PlainClimate composite — temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Sebec Lake area.
How the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Sebec Lake 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 | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 24°F (-5°C) | 3°F (-16°C) | 13°F (-10°C) | 3.6" | 22.9" | 30.9 | 0.0 |
| February | 28°F (-2°C) | 3°F (-16°C) | 16°F (-9°C) | 3.2" | 23.0" | 27.8 | 0.0 |
| March | 38°F (3°C) | 14°F (-10°C) | 26°F (-3°C) | 3.6" | 21.6" | 30.4 | 0.0 |
| April | 51°F (10°C) | 28°F (-2°C) | 39°F (4°C) | 4.0" | 7.3" | 25.2 | 0.0 |
| May | 65°F (18°C) | 39°F (4°C) | 52°F (11°C) | 3.8" | 0.0" | 9.2 | 0.3 |
| June | 73°F (23°C) | 49°F (10°C) | 61°F (16°C) | 4.4" | 0.0" | 0.3 | 1.3 |
| July | 78°F (26°C) | 55°F (13°C) | 67°F (19°C) | 4.0" | 0.0" | 0.0 | 1.1 |
| August | 77°F (25°C) | 53°F (12°C) | 65°F (18°C) | 3.8" | 0.0" | 0.0 | 1.6 |
| September | 69°F (21°C) | 45°F (7°C) | 57°F (14°C) | 4.0" | 0.0" | 2.2 | 0.5 |
| October | 56°F (13°C) | 34°F (1°C) | 45°F (7°C) | 5.2" | 0.6" | 14.9 | 0.0 |
| November | 42°F (6°C) | 26°F (-4°C) | 34°F (1°C) | 4.4" | 4.9" | 24.5 | 0.0 |
| December | 30°F (-1°C) | 14°F (-10°C) | 22°F (-5°C) | 4.5" | 20.0" | 30.3 | 0.0 |
Average monthly rainfall and snowfall
Snow: 22.9"
12.0 days with precipitation
Snow: 23.0"
10.1 days with precipitation
Snow: 21.6"
12.1 days with precipitation
Snow: 7.3"
11.3 days with precipitation
13.5 days with precipitation
14.1 days with precipitation
13.8 days with precipitation
12.0 days with precipitation
10.8 days with precipitation
Snow: 0.6"
11.9 days with precipitation
Snow: 4.9"
12.6 days with precipitation
Snow: 20.0"
12.6 days with precipitation
First Fall Freeze
October 1
50% probability date
Last Spring Freeze
May 16
50% probability date
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
8,758
Higher = more heating needed
Cooling Degree Days
212
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
The NOAA 1991–2020 climate normals describe Sebec Lake, Maine as a location with an annual average temperature of 41°F, ranging from a mean daily high of 53°F to a mean daily low of 30°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00177654, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Sebec Lake receives roughly 48.5 inches of precipitation each year, with 100.3 inches typically falling as snow. Growing-season length varies with elevation and microclimate, with the last spring freeze near May 16 and the first fall freeze near October 1. For energy use, 8,758 heating degree days and 212 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Sebec Lake scores 47/100 (Moderate), 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: USC00177654. For informational purposes only.
Read our methodology — how this data is sourced, computed, and verified.