Climate Comfort Score
83/100
Excellent
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Marathon
Marathon, Texas averages 62°F a year and scores 83/100 on the comfort index - excellent, milder than 85% 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
62°F (16°C)
Avg High
78°F
Avg Low
45°F
Annual Precip
12.6"
Annual Snow
0.3"
Comfort Score
83/100
Excellent
Climate Comfort Score
83/100
Excellent
Avg Annual Temperature
62°F
30-year mean (NOAA NCEI)
Annual Precipitation
12.6"
Liquid-equivalent total
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Marathon area.
Marathon's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
83 Top 15% higher than 85% 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
Marathon's NOAA 1991-2020 normal sits inside a longer story: U.S. land temperatures have been tracking (and drifting from) the global mean since 1900, and the chart below shows that spread, with the most recent decade running 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 | 62°F (16°C) | 27°F (-3°C) | 44°F (7°C) | 0.5" | 0.2" | 20.6 | 0.0 |
| February | 66°F (19°C) | 30°F (-1°C) | 48°F (9°C) | 0.3" | 0.0" | 14.6 | 0.1 |
| March | 73°F (23°C) | 38°F (3°C) | 55°F (13°C) | 0.3" | 0.0" | 6.6 | 0.5 |
| April | 81°F (27°C) | 44°F (7°C) | 62°F (17°C) | 0.7" | 0.0" | 1.6 | 3.8 |
| May | 87°F (31°C) | 53°F (11°C) | 70°F (21°C) | 1.6" | 0.0" | 0.2 | 15.3 |
| June | 92°F (33°C) | 60°F (15°C) | 76°F (24°C) | 1.6" | 0.0" | 0.0 | 20.9 |
| July | 91°F (33°C) | 62°F (17°C) | 77°F (25°C) | 2.3" | 0.0" | 0.0 | 22.2 |
| August | 91°F (33°C) | 62°F (16°C) | 76°F (25°C) | 1.7" | 0.0" | 0.0 | 21.3 |
| September | 85°F (30°C) | 57°F (14°C) | 71°F (22°C) | 1.6" | 0.0" | 0.0 | 8.8 |
| October | 79°F (26°C) | 47°F (8°C) | 63°F (17°C) | 1.3" | 0.0" | 1.4 | 2.3 |
| November | 69°F (21°C) | 34°F (1°C) | 52°F (11°C) | 0.5" | 0.0" | 10.2 | 0.1 |
| December | 62°F (17°C) | 27°F (-3°C) | 45°F (7°C) | 0.3" | 0.1" | 19.7 | 0.0 |
Average monthly rainfall and snowfall
Snow: 0.2"
2.1 days with precipitation
1.7 days with precipitation
1.4 days with precipitation
1.8 days with precipitation
3.8 days with precipitation
4.6 days with precipitation
5.0 days with precipitation
4.4 days with precipitation
4.4 days with precipitation
3.1 days with precipitation
1.6 days with precipitation
Snow: 0.1"
1.6 days with precipitation
First Fall Freeze
November 1
50% probability date
Last Spring Freeze
April 7
50% probability date
Growing Season
208 days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
2,732
Higher = more heating needed
Cooling Degree Days
1,494
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Marathon's climate means for you
Marathon runs 62°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 Marathon, Texas, the NOAA 1991–2020 climate normals put the annual average temperature at 62°F, ranging from a mean daily high of 78°F to a mean daily low of 45°F. July is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from station USC00415579, these numbers smooth out year-to-year noise into a working baseline for a typical month.
Anyone planning to live, garden, or travel in Marathon should weigh precipitation alongside temperature: the annual average runs 12.6 inches, with negligible snowfall. The frost-free season averages 208 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 7 and the first fall freeze near November 1. And on the energy front, 2,732 heating degree days and 1,494 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Marathon scores 83/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, July-driven heat peaks in summer, and January-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00415579. 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.