Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Johnson features a humid continental climate (Dfb).Temperatures typically range between -8 °C (18 °F) and 20 °C (69 °F) through the year, but rarely can drop to -33 °C (-27 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 1362 mm (53.6 inches) and receives 178 rainy days on the 1 mm (0.04 inches) threshold annually.Johnson enjoys an average of 2759 hours of sunshine throughout the year, and daylight varies from 8 hours 51 minutes to 15 hours 29 minutes per day.
The warmest months in Johnson are June, July and August, with daily mean temperatures ranging from 17 to 20 °C (64 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -5 °C (18 - 23 °F) throughout the day. On average each year, Johnson experiences 42 days above 25 °C (77.0 °F) and 142 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 13°C (56°F) | 16°C (61°F) | 20°C (69°F) | 24°C (76°F) | 34°C (94°F) | 32°C (90°F) | 33°C (92°F) | 32°C (89°F) | 31°C (87°F) | 25°C (77°F) | 22°C (72°F) | 14°C (58°F) |
Mean maximum | 7°C (45°F) | 10°C (50°F) | 14°C (58°F) | 21°C (70°F) | 29°C (85°F) | 29°C (85°F) | 30°C (87°F) | 30°C (87°F) | 28°C (82°F) | 23°C (73°F) | 16°C (61°F) | 11°C (51°F) |
Average high | -4°C (25°F) | -2°C (29°F) | 2°C (36°F) | 10°C (50°F) | 18°C (64°F) | 23°C (73°F) | 25°C (77°F) | 24°C (76°F) | 20°C (69°F) | 13°C (56°F) | 4°C (40°F) | -1°C (30°F) |
Daily mean | -8°C (18°F) | -6°C (21°F) | -2°C (28°F) | 5°C (42°F) | 13°C (55°F) | 17°C (64°F) | 20°C (69°F) | 19°C (67°F) | 15°C (59°F) | 9°C (48°F) | 0°C (33°F) | -5°C (23°F) |
Average low | -13°C (10°F) | -11°C (12°F) | -7°C (20°F) | 1°C (34°F) | 7°C (45°F) | 12°C (54°F) | 15°C (60°F) | 14°C (58°F) | 10°C (51°F) | 5°C (41°F) | -4°C (25°F) | -9°C (15°F) |
Mean minimum | -26°C (-15°F) | -25°C (-13°F) | -20°C (-3°F) | -8°C (19°F) | -0°C (32°F) | 6°C (43°F) | 9°C (49°F) | 7°C (45°F) | 1°C (34°F) | -4°C (26°F) | -18°C (1°F) | -24°C (-11°F) |
Minimum | -33°C (-27°F) | -28°C (-18°F) | -22°C (-8°F) | -11°C (12°F) | -2°C (29°F) | 1°C (33°F) | 8°C (46°F) | 4°C (40°F) | -5°C (24°F) | -6°C (21°F) | -22°C (-7°F) | -27°C (-17°F) |
Compare temperature, precipitation, sunshine, UV index in Johnson, Vermont, United States with other places around the world.
Johnson usually has the most precipitation in July, October and November, with an average of 16 rainy days and 146 mm (5.7 inches) of precipitation per month.The driest months in Johnson are February, March and September. On average, 90 mm (3.6 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 96 (3.8) | 92 (3.6) | 92 (3.6) | 124 (4.9) | 109 (4.3) | 116 (4.6) | 141 (5.6) | 115 (4.5) | 87 (3.4) | 165 (6.5) | 131 (5.2) | 92 (3.6) |
Average precipitation days (≥ 1 mm) | 14 | 16 | 13 | 16 | 13 | 15 | 15 | 16 | 11 | 16 | 17 | 16 |
The sunniest months in Johnson are June, July and August, when the sun shines an average of 10 hours 54 minutes a day.Least sunny months in Johnson: January, November and December receive an average of 4 hours 16 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 112 | 153 | 226 | 217 | 278 | 325 | 339 | 339 | 291 | 193 | 142 | 139 |
Mean daily daylight hours | 9h 14m | 10h 26m | 11h 57m | 13h 30m | 14h 49m | 15h 29m | 15h 7m | 13h 57m | 12h 27m | 10h 55m | 9h 33m | 8h 51m |
Johnson experiences the highest level of ultraviolet (UV) radiation in May, June and August, 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 Johnson 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 | 9 | 7 | 5 | 3 | 2 |