Monthly climate in Johnson, Vermont, United States

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.

Monthly average temperatures in Johnson, Vermont, United States §

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).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Johnson, Vermont, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  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 climate in Johnson with other places

Compare temperature, precipitation, sunshine, UV index in Johnson, Vermont, United States with other places around the world.

Monthly average precipitation in Johnson, Vermont, United States §

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.

Monthly average precipitation and precipitation days in Johnson, Vermont, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  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

Monthly sunshine hours in Johnson, Vermont, United States §

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.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Johnson, Vermont, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  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

Solar UV radiation in Johnson, Vermont, United States §

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.

Average daily maximum UV levels by month for Johnson, Vermont, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 4 5 7 9 10 9 9 7 5 3 2