Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Randolph features a humid continental climate (Dfb).Temperatures typically range between -5 °C (24 °F) and 22 °C (71 °F) through the year, but rarely can drop to -27 °C (-16 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1105 mm (43.5 inches) and receives 118 rainy days on the 1 mm (0.04 inches) threshold annually.Randolph enjoys an average of 2920 hours of sunshine throughout the year, and daylight varies from 8 hours 54 minutes to 15 hours 26 minutes per day.
The warmest months in Randolph are June, July and August, with daily mean temperatures ranging from 19 to 22 °C (66 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -3 °C (24 - 28 °F) throughout the day. On average each year, Randolph experiences 57 days above 25 °C (77.0 °F) and 124 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 13°C (56°F) | 18°C (65°F) | 18°C (66°F) | 26°C (80°F) | 34°C (93°F) | 37°C (99°F) | 36°C (98°F) | 34°C (94°F) | 32°C (90°F) | 28°C (83°F) | 22°C (72°F) | 15°C (60°F) |
Mean maximum | 10°C (51°F) | 13°C (56°F) | 14°C (58°F) | 21°C (70°F) | 30°C (87°F) | 31°C (89°F) | 34°C (93°F) | 33°C (92°F) | 30°C (86°F) | 24°C (76°F) | 18°C (65°F) | 13°C (56°F) |
Average high | -0°C (31°F) | 1°C (34°F) | 5°C (41°F) | 12°C (53°F) | 18°C (65°F) | 24°C (76°F) | 27°C (81°F) | 27°C (80°F) | 22°C (73°F) | 15°C (60°F) | 7°C (45°F) | 1°C (35°F) |
Daily mean | -5°C (24°F) | -4°C (25°F) | -0°C (32°F) | 7°C (44°F) | 13°C (55°F) | 19°C (66°F) | 22°C (71°F) | 21°C (70°F) | 17°C (63°F) | 11°C (52°F) | 3°C (38°F) | -3°C (28°F) |
Average low | -9°C (15°F) | -9°C (16°F) | -5°C (24°F) | 2°C (37°F) | 8°C (46°F) | 13°C (56°F) | 17°C (63°F) | 16°C (62°F) | 13°C (55°F) | 7°C (44°F) | -1°C (30°F) | -7°C (20°F) |
Mean minimum | -22°C (-7°F) | -22°C (-7°F) | -17°C (2°F) | -4°C (25°F) | 2°C (37°F) | 8°C (46°F) | 12°C (54°F) | 10°C (51°F) | 5°C (41°F) | -0°C (32°F) | -10°C (13°F) | -19°C (-1°F) |
Minimum | -26°C (-15°F) | -25°C (-13°F) | -22°C (-7°F) | -6°C (22°F) | 1°C (34°F) | 4°C (40°F) | 9°C (49°F) | 9°C (49°F) | 2°C (36°F) | -2°C (28°F) | -17°C (2°F) | -27°C (-16°F) |
Compare temperature, precipitation, sunshine, UV index in Randolph, Maine, United States with other places around the world.
Randolph usually has the most precipitation in April, October and December, with an average of 11 rainy days and 120 mm (4.7 inches) of precipitation per month.The driest months in Randolph are March, June and September. On average, 69 mm (2.7 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 84 (3.3) | 83 (3.3) | 71 (2.8) | 117 (4.6) | 78 (3.1) | 63 (2.5) | 110 (4.3) | 77 (3.0) | 72 (2.8) | 127 (5.0) | 106 (4.2) | 116 (4.6) |
Average precipitation days (≥ 1 mm) | 8 | 10 | 8 | 12 | 10 | 9 | 11 | 9 | 8 | 11 | 11 | 11 |
The sunniest months in Randolph are June, July and August, when the sun shines an average of 10 hours 32 minutes a day.Least sunny months in Randolph: January, November and December receive an average of 5 hours 25 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 145 | 185 | 255 | 235 | 283 | 320 | 320 | 327 | 284 | 207 | 180 | 173 |
Mean daily daylight hours | 9h 16m | 10h 28m | 11h 57m | 13h 29m | 14h 47m | 15h 26m | 15h 5m | 13h 55m | 12h 27m | 10h 55m | 9h 35m | 8h 54m |
Randolph experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Randolph UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 2 | 4 | 5 | 7 | 9 | 10 | 9 | 8 | 7 | 5 | 3 | 2 |