Climate Comfort Score
47/100
Moderate
NOAA 1991–2020 normals 34°F annual avg Public-domain federal data
Old Faithful, WY Climate
Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →
- 34°F
- Avg annual temp
- 47/100
- Comfort score
- 25.6"
- Annual precip
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Old Faithful
Old Faithful, Wyoming averages 34°F a year and scores 47/100 on the comfort index - moderate, milder than 17% of U.S. cities.
- 34°F
- average temperature, NOAA 1991-2020 normal
- 47/100
- comfort score, milder than 17% of U.S. cities
- 25.6"
- annual precipitation · 197" snow
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
34°F (1°C)
Avg High
49°F
Avg Low
20°F
Annual Precip
25.6"
Annual Snow
197.0"
Comfort Score
47/100
Moderate
Avg Annual Temperature
34°F
30-year mean (NOAA NCEI)
Annual Precipitation
25.6"
Plus 197.0" of snow
Comfort score vs national 100-point ceiling (Old Faithful) 47.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Old Faithful area.
How Old Faithful compares to every U.S. city
Old Faithful's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
47 Top 83% higher than 17% 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 Old Faithful
MethodologyZooming out from Old Faithful'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 | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 28°F (-2°C) | 1°F (-17°C) | 15°F (-10°C) | 2.1" | 35.6" | 31.0 | 0.0 |
| February | 31°F (0°C) | 2°F (-17°C) | 17°F (-9°C) | 2.1" | 29.9" | 28.0 | 0.0 |
| March | 39°F (4°C) | 10°F (-12°C) | 24°F (-4°C) | 2.2" | 27.1" | 30.5 | 0.0 |
| April | 46°F (8°C) | 19°F (-7°C) | 32°F (0°C) | 2.4" | 17.1" | 28.5 | 0.0 |
| May | 55°F (13°C) | 29°F (-2°C) | 42°F (6°C) | 2.7" | 5.4" | 22.5 | 0.0 |
| June | 65°F (18°C) | 35°F (2°C) | 50°F (10°C) | 2.4" | 0.6" | 11.0 | 0.0 |
| July | 76°F (24°C) | 39°F (4°C) | 58°F (14°C) | 1.3" | 0.0" | 3.5 | 0.2 |
| August | 75°F (24°C) | 37°F (3°C) | 56°F (13°C) | 1.4" | 0.0" | 7.2 | 0.0 |
| September | 65°F (18°C) | 30°F (-1°C) | 47°F (8°C) | 1.7" | 0.9" | 20.3 | 0.0 |
| October | 50°F (10°C) | 22°F (-6°C) | 36°F (2°C) | 2.3" | 9.0" | 28.2 | 0.0 |
| November | 35°F (2°C) | 10°F (-12°C) | 23°F (-5°C) | 2.2" | 26.4" | 29.4 | 0.0 |
| December | 27°F (-3°C) | 1°F (-17°C) | 14°F (-10°C) | 2.8" | 45.0" | 30.9 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 2.1"
Snow: 35.6"
14.1 days with precipitation
February 2.1"
Snow: 29.9"
13.0 days with precipitation
March 2.2"
Snow: 27.1"
12.2 days with precipitation
April 2.4"
Snow: 17.1"
11.9 days with precipitation
May 2.7"
Snow: 5.4"
12.7 days with precipitation
June 2.4"
Snow: 0.6"
13.2 days with precipitation
July 1.3"
9.0 days with precipitation
August 1.4"
8.9 days with precipitation
September 1.7"
Snow: 0.9"
9.5 days with precipitation
October 2.3"
Snow: 9.0"
10.1 days with precipitation
November 2.2"
Snow: 26.4"
12.0 days with precipitation
December 2.8"
Snow: 45.0"
15.2 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
N/A
50% probability date
Last Spring Freeze
N/A
50% probability date
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
11,140
Higher = more heating needed
Cooling Degree Days
7
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Old Faithful's climate means for you
Old Faithful runs 34°F a year - peaking in July, coldest in December.
- Energy bills track 11,140 heating and 7 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: Old Faithful, WY
Based on station USC00486845 feeding NOAA's 1991–2020 climate normals, Old Faithful, Wyoming averages 34°F a year, ranging from a mean daily high of 49°F to a mean daily low of 20°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.
Beyond temperature, Old Faithful averages 25.6 inches of precipitation annually, with 197.0 inches typically falling as snow - a real factor for anyone planning to live, garden, or travel here. Growing-season length varies with elevation and microclimate. Turning to energy use, 11,140 heating degree days and 7 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Old Faithful scores 47/100 (Moderate), 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 Old Faithful, WY? ▼
The average annual temperature in Old Faithful, Wyoming is 34°F. The warmest month averages 76°F (24°C) and the coldest averages 1°F (-17°C).
How much rain does Old Faithful get? ▼
Old Faithful receives 25.6 inches of precipitation annually, including 197.0 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Old Faithful? ▼
Old Faithful has a climate comfort score of 47/100 (Moderate), milder than 17% of U.S. cities in the PlainClimate database.
When is the growing season in Old Faithful? ▼
Growing season data is not available for Old Faithful.
How much energy does heating and cooling require in Old Faithful? ▼
Old Faithful has 11,140 heating degree days and 7 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 Old Faithful climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00486845 near Old Faithful.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00486845. 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.