Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Johnson's weather in December is characterized by a distinct drop in the average high-temperature, reducing from a cold 40.1°F (4.5°C) in November to a freezing cold 23.9°F (-4.5°C). In Johnson, the average temperature during the nights of December drops to a frigid cold 12.7°F (-10.7°C).Humidity
In December, the average relative humidity in Johnson is 85%.Rainfall
In December, the rain falls for 3.7 days. Throughout December, 0.94" (24mm) of precipitation is accumulated. In Johnson, during the entire year, the rain falls for 102 days and collects up to 19.17" (487mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 11.5 days and typically aggregates up to 4.45" (113mm) of snow.Daylight
December has the shortest days of the year in Johnson, with an average of 8h and 48min of daylight.On the first day of December in Johnson, sunrise is at 7:45 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 4:51 pm CST.
Sunshine
The average sunshine in December in Johnson, Minnesota, is 3.8h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Johnson in December?
What is the average humidity in December in Johnson?
How much does it rain in Johnson in December?
What is the snowiest month in Johnson?
How much does it snow in Johnson in December?
What is the month with the shortest days in Johnson?
How many hours of daylight does Johnson have in December?
What time are sunrise and sunset in December in Johnson?
How long on average sun shines in December in Johnson?
What is the month with the lowest UV index in Johnson?
What is the UV index intensity in December in Johnson?
Average temperature in December
Johnson, MN
- Average high temperature in December: 23.9°F
The warmest months (with the highest average high temperature) are July and August (81.3°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in December: 12.7°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure in December
Johnson, MN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Johnson, MN
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in December
Johnson, MN
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (65%).
Average rainfall in December
Johnson, MN
- Average rainfall in December: 0.94"
The wettest months (with the highest rainfall) are June and July (3.03").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in December
Johnson, MN
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
Johnson, MN
- Average snowfall in December: 4.45"
The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Johnson, MN
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Johnson, MN
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Johnson, MN
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in December
Johnson, MN
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Johnson, MN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Johnson, MN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Johnson, Minnesota, USA
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