Climate Comfort Score
68/100
Good
NOAA 1991–2020 normals 52°F annual avg Public-domain federal data
Lowell Three Rivers, ID Climate
Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →
- 52°F
- Avg annual temp
- 68/100
- Comfort score
- 39.7"
- Annual precip
- 192d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Lowell Three Rivers
Lowell Three Rivers, Idaho averages 52°F a year and scores 68/100 on the comfort index - good, milder than 58% of U.S. cities.
- 52°F
- average temperature, NOAA 1991-2020 normal
- 68/100
- comfort score, milder than 58% of U.S. cities
- 39.7"
- yearly precipitation total
- 192 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
52°F (11°C)
Avg High
63°F
Avg Low
40°F
Annual Precip
39.7"
Comfort Score
68/100
Good
Avg Annual Temperature
52°F
30-year mean (NOAA NCEI)
Annual Precipitation
39.7"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Lowell Three Rivers) 68.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Lowell Three Rivers area.
How Lowell Three Rivers compares to every U.S. city
Lowell Three Rivers'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 Lowell Three Rivers
MethodologyZooming out from Lowell Three Rivers's own normal, the chart below shows how the U.S. land temperature anomaly has tracked the global mean since 1900 - the most recent decade sits warmer than the 30-year mean shown here.
- 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 | 40°F (4°C) | 29°F (-1°C) | 34°F (1°C) | 4.9" | 21.4 | 0.0 |
| February | 44°F (7°C) | 30°F (-1°C) | 37°F (3°C) | 3.9" | 19.1 | 0.0 |
| March | 54°F (12°C) | 34°F (1°C) | 44°F (7°C) | 4.6" | 12.7 | 0.0 |
| April | 63°F (17°C) | 38°F (3°C) | 50°F (10°C) | 4.2" | 3.4 | 0.1 |
| May | 72°F (22°C) | 44°F (7°C) | 58°F (15°C) | 3.3" | 0.7 | 1.2 |
| June | 79°F (26°C) | 50°F (10°C) | 65°F (18°C) | 2.8" | 0.0 | 4.6 |
| July | 92°F (33°C) | 55°F (13°C) | 74°F (23°C) | 0.6" | 0.0 | 21.2 |
| August | 92°F (33°C) | 54°F (12°C) | 73°F (23°C) | 0.9" | 0.0 | 21.1 |
| September | 79°F (26°C) | 48°F (9°C) | 63°F (17°C) | 1.5" | 0.1 | 2.9 |
| October | 61°F (16°C) | 40°F (5°C) | 51°F (10°C) | 3.6" | 3.3 | 0.0 |
| November | 46°F (8°C) | 33°F (1°C) | 40°F (4°C) | 5.0" | 11.4 | 0.0 |
| December | 38°F (3°C) | 29°F (-2°C) | 33°F (1°C) | 4.3" | 23.1 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 4.9"
17.8 days with precipitation
February 3.9"
16.0 days with precipitation
March 4.6"
17.0 days with precipitation
April 4.2"
15.2 days with precipitation
May 3.3"
14.7 days with precipitation
June 2.8"
11.8 days with precipitation
July 0.6"
3.9 days with precipitation
August 0.9"
4.8 days with precipitation
September 1.5"
7.6 days with precipitation
October 3.6"
14.1 days with precipitation
November 5.0"
16.2 days with precipitation
December 4.3"
17.0 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 25
50% probability date
Last Spring Freeze
April 16
50% probability date
Growing Season
192 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
5,429
Higher = more heating needed
Cooling Degree Days
652
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Lowell Three Rivers's climate means for you
Lowell Three Rivers runs 52°F a year - peaking in July, coldest in December.
- Gardeners get about 192 frost-free days, with the last spring freeze near April 16 - plan the planting calendar around it, not the regional average.
- Energy bills track 5,429 heating and 652 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: Lowell Three Rivers, ID
Based on station USW00004109 feeding NOAA's 1991–2020 climate normals, Lowell Three Rivers, Idaho averages 52°F a year, ranging from a mean daily high of 63°F to a mean daily low of 40°F. July is typically the warmest month of the year, while December 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.
Lowell Three Rivers averages 39.7 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 192 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 16 and the first fall freeze near October 25. As for energy demand, 5,429 heating degree days and 652 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Lowell Three Rivers scores 68/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings July-driven heat, and deep winter brings December-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.
Frequently Asked Questions
What is the average temperature in Lowell Three Rivers, ID? ▼
The average annual temperature in Lowell Three Rivers, Idaho is 52°F. The warmest month averages 92°F (33°C) and the coldest averages 29°F (-2°C).
How much rain does Lowell Three Rivers get? ▼
Lowell Three Rivers receives 39.7 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Lowell Three Rivers? ▼
Lowell Three Rivers 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 Lowell Three Rivers? ▼
Lowell Three Rivers has approximately 192 frost-free days per year, with the last spring freeze around April 16 and the first fall freeze around October 25.
How much energy does heating and cooling require in Lowell Three Rivers? ▼
Lowell Three Rivers has 5,429 heating degree days and 652 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 Lowell Three Rivers climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00004109 near Lowell Three Rivers.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00004109. 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.