Lebanon, Maine Climate
United States
Pop. 5,446 Elev. 90 m / 295 ft
TZ: America/New_York (UTC-4) ·
Summers in Lebanon are mild, with July highs around 83°F (28°C), while winters are frigid with February lows of 16°F (-9°C). Wind chill can push winter lows to 8°F (-13°C). Expect around 54 rainy days annually (33.6 in / 853 mm total), with snow on 12 days and 72 in (1837 mm) of annual accumulation. The city averages 126 sunny days per year and around 24 thunderstorm days. Ocean water temperatures reach 69°F (20°C) in summer.
| Temperature | 83°F (28°C) high | 16°F (-9°C) low |
| Feels like | 87°F (31°C) high | 8°F (-14°C) low |
| Rain | 54 days | 33.6 in (853 mm) /yr |
| Snow | 12 days | 72.3 in (1837 mm) /yr |
| Sky | 126 sunny | 24 stormy |
| Wind | 3.6 mph (1.6 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jun, Jul, Aug, Sep
Sky & Air by Month
Cloud cover (%)
47
Jan 53
Feb 63
Mar 66
Apr 75
May 58
Jun 57
Jul 45
Aug 48
Sep 45
Oct 55
Nov 55
Dec Humidity (%)
59
Jan 67
Feb 64
Mar 60
Apr 74
May 68
Jun 67
Jul 63
Aug 74
Sep 70
Oct 70
Nov 70
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 22 mi Portsmouth International Airport at Pease (PSM)
Ski resort 11 mi Powderhouse Hill Ski Area
National park 58 mi Fort Baldwin State Historic Site
Mountain peak
(5,460 ft) 63 mi Boott Spur
Hospital 6 mi SMHC Medical Center Sanford
Hiking trail 16 mi Hemlock Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 31°F -1°C | 17°F -8°C | 0.7 in 19 mm | 7.6 in194 mm | 12 |
| February | 31°F -1°C | 16°F -9°C | 0.9 in 22 mm | 27.7 in703 mm | 11 |
| March | 47°F 8°C | 29°F -2°C | 3.0 in 76 mm | 10.9 in278 mm | 8 |
| April | 57°F 14°C | 39°F 4°C | 4.1 in 103 mm | 7.5 in190 mm | 9 |
| May | 63°F 17°C | 49°F 9°C | 7.7 in 195 mm | — | 4 |
| June | 76°F 25°C | 59°F 15°C | 1.8 in 45 mm | — | 11 |
| July | 83°F 28°C | 65°F 18°C | 3.1 in 78 mm | — | 9 |
| August | 79°F 26°C | 59°F 15°C | 1.3 in 33 mm | — | 15 |
| September | 73°F 23°C | 54°F 12°C | 2.8 in 70 mm | — | 11 |
| October | 61°F 16°C | 45°F 7°C | 3.8 in 97 mm | — | 15 |
| November | 45°F 7°C | 34°F 1°C | 2.7 in 69 mm | 0.8 in20 mm | 8 |
| December | 33°F 0°C | 18°F -8°C | 1.8 in 46 mm | 17.8 in452 mm | 13 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 12 | 0 |
| February | 11 | 0 |
| March | 8 | 0 |
| April | 9 | 2 |
| May | 4 | 7 |
| June | 11 | 0 |
| July | 9 | 6 |
| August | 15 | 1 |
| September | 11 | 2 |
| October | 15 | 3 |
| November | 8 | 1 |
| December | 13 | 2 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 44°F 7°C | 32°F 0°C |
| February | 40°F 5°C | 32°F 0°C |
| March | 41°F 5°C | 33°F 0°C |
| April | 46°F 8°C | 40°F 5°C |
| May | 53°F 12°C | 52°F 11°C |
| June | 63°F 17°C | 64°F 18°C |
| July | 68°F 20°C | 72°F 22°C |
| August | 69°F 20°C | 70°F 21°C |
| September | 65°F 18°C | 64°F 18°C |
| October | 61°F 16°C | 54°F 12°C |
| November | 54°F 12°C | 41°F 5°C |
| December | 48°F 9°C | 33°F 1°C |