Portland, Tennessee Climate
United States
Pop. 12,323 Elev. 245 m / 804 ft
TZ: America/Chicago (UTC-5) ·
Portland sees warm summers peaking at 90°F (32°C) in July, and cold winters that bottom out around 27°F (-3°C) in January. Humidity pushes the summer feels-like temperature to around 109°F (43°C). Precipitation occurs on roughly 76 days per year (57.2 in / 1453 mm total), with snow on 1 days and 11 in (278 mm) of annual accumulation. The city averages 141 sunny days per year and around 57 thunderstorm days. Nearby lake water reaches 83°F (28°C) in summer.
| Temperature | 90°F (32°C) high | 27°F (-3°C) low |
| Feels like | 109°F (43°C) high | 27°F (-3°C) low |
| Rain | 76 days | 57.2 in (1453 mm) /yr |
| Snow | 1 days | 10.9 in (278 mm) /yr |
| Sky | 141 sunny | 57 stormy |
| Wind | 2.1 mph (0.9 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Mar, Aug, Sep, Oct, Nov
Sky & Air by Month
Cloud cover (%)
50
Jan 62
Feb 51
Mar 63
Apr 74
May 63
Jun 56
Jul 44
Aug 40
Sep 38
Oct 52
Nov 65
Dec Humidity (%)
61
Jan 64
Feb 49
Mar 63
Apr 73
May 75
Jun 75
Jul 64
Aug 66
Sep 68
Oct 67
Nov 69
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 33 mi Nashville International Airport (BNA)
Ski resort 151 mi Cloudmont Ski Hill
National park 86 mi Land Between the Lakes National Recreation Area
Mountain peak
(5,125 ft) 164 mi Little Haw Knob
Hospital 2 mi TriStar Portland ER
Hiking trail 17 mi Mayo Wix Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 42°F 6°C | 27°F -3°C | 3.4 in 87 mm | 5.6 in142 mm | 15 |
| February | 55°F 13°C | 35°F 2°C | 6.8 in 171 mm | 2.0 in52 mm | 9 |
| March | 68°F 20°C | 45°F 7°C | 5.8 in 148 mm | 0.0 in1 mm | 14 |
| April | 74°F 23°C | 55°F 13°C | 6.8 in 174 mm | — | 8 |
| May | 75°F 24°C | 61°F 16°C | 7.5 in 192 mm | — | 4 |
| June | 86°F 30°C | 70°F 21°C | 6.9 in 176 mm | — | 9 |
| July | 90°F 32°C | 75°F 24°C | 3.7 in 94 mm | — | 10 |
| August | 87°F 31°C | 69°F 20°C | 0.9 in 23 mm | — | 17 |
| September | 85°F 29°C | 63°F 17°C | 5.3 in 134 mm | — | 17 |
| October | 72°F 22°C | 54°F 12°C | 4.4 in 112 mm | — | 19 |
| November | 61°F 16°C | 44°F 6°C | 3.3 in 83 mm | 0.5 in12 mm | 11 |
| December | 52°F 11°C | 36°F 2°C | 2.3 in 59 mm | 2.8 in72 mm | 8 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 15 | 2 |
| February | 9 | 2 |
| March | 14 | 6 |
| April | 8 | 7 |
| May | 4 | 9 |
| June | 9 | 12 |
| July | 10 | 5 |
| August | 17 | 1 |
| September | 17 | 4 |
| October | 19 | 4 |
| November | 11 | 3 |
| December | 8 | 2 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 40°F 5°C |
| February | 39°F 4°C |
| March | 43°F 6°C |
| April | 56°F 13°C |
| May | 68°F 20°C |
| June | 79°F 26°C |
| July | 83°F 28°C |
| August | 80°F 27°C |
| September | 74°F 23°C |
| October | 65°F 19°C |
| November | 53°F 12°C |
| December | 45°F 7°C |