Climate Comfort Score
34/100
Below Average
Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Mackay Lost Rvr RS
Mackay Lost Rvr RS, Idaho averages 42°F a year and scores 34/100 on the comfort index - below average, milder than 1% of U.S. cities.
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
42°F (6°C)
Avg High
55°F
Avg Low
29°F
Annual Precip
9.9"
Comfort Score
34/100
Below Average
Climate Comfort Score
34/100
Below Average
Avg Annual Temperature
42°F
30-year mean (NOAA NCEI)
Annual Precipitation
9.9"
Liquid-equivalent total
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Below Average for the Mackay Lost Rvr RS area.
Mackay Lost Rvr RS's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
34 Top 99% higher than 1% 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
How the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Mackay Lost Rvr RS 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 | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 30°F (-1°C) | 8°F (-13°C) | 19°F (-7°C) | 0.8" | 31.0 | 0.0 |
| February | 34°F (1°C) | 12°F (-11°C) | 23°F (-5°C) | 0.5" | 27.7 | 0.0 |
| March | 44°F (7°C) | 22°F (-6°C) | 33°F (0°C) | 0.7" | 28.9 | 0.0 |
| April | 55°F (13°C) | 29°F (-2°C) | 42°F (5°C) | 0.9" | 21.3 | 0.0 |
| May | 65°F (18°C) | 37°F (3°C) | 51°F (10°C) | 1.2" | 8.7 | 0.0 |
| June | 73°F (23°C) | 43°F (6°C) | 58°F (14°C) | 1.4" | 1.6 | 0.5 |
| July | 83°F (29°C) | 50°F (10°C) | 67°F (19°C) | 0.7" | 0.0 | 5.0 |
| August | 82°F (28°C) | 48°F (9°C) | 65°F (18°C) | 0.7" | 0.2 | 1.8 |
| September | 72°F (22°C) | 40°F (5°C) | 56°F (13°C) | 0.8" | 3.5 | 0.1 |
| October | 58°F (14°C) | 31°F (-1°C) | 44°F (7°C) | 0.8" | 19.2 | 0.0 |
| November | 41°F (5°C) | 19°F (-7°C) | 30°F (-1°C) | 0.5" | 28.7 | 0.0 |
| December | 29°F (-2°C) | 10°F (-12°C) | 19°F (-7°C) | 0.9" | 30.9 | 0.0 |
Average monthly rainfall
6.0 days with precipitation
5.5 days with precipitation
5.4 days with precipitation
6.8 days with precipitation
7.9 days with precipitation
7.0 days with precipitation
4.5 days with precipitation
5.4 days with precipitation
4.5 days with precipitation
5.3 days with precipitation
5.5 days with precipitation
7.1 days with precipitation
First Fall Freeze
September 20
50% probability date
Last Spring Freeze
June 1
50% probability date
Growing Season
111 days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
8,438
Higher = more heating needed
Cooling Degree Days
171
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Mackay Lost Rvr RS's climate means for you
Mackay Lost Rvr RS runs 42°F a year - peaking in July, coldest in January.
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
In Mackay Lost Rvr RS, Idaho, the NOAA 1991–2020 climate normals put the annual average temperature at 42°F, ranging from a mean daily high of 55°F to a mean daily low of 29°F. July is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from station USC00105462, these numbers smooth out year-to-year noise into a working baseline for a typical month.
Beyond temperature, Mackay Lost Rvr RS averages 9.9 inches of precipitation annually, predominantly as rainfall - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 111 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near June 1 and the first fall freeze near September 20. Turning to energy use, 8,438 heating degree days and 171 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Mackay Lost Rvr RS scores 34/100 (Below Average), 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 January-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.
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00105462. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
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.