December weather forecastGibraltar, MI
December
Weather in December
The first month of the winter, December, is also an icy month in Gibraltar, Michigan, with an average temperature ranging between max 35.8°F (2.1°C) and min 28.4°F (-2°C).Temperature
The onset of December results in a decrease in the average high-temperature, receding from a chilly 45.7°F (7.6°C) in November to a cold 35.8°F (2.1°C). Gibraltar encounters an average temperature dip to a freezing cold 28.4°F (-2°C) throughout December, subtly lower than its daytime maximum.Humidity
In Gibraltar, the average relative humidity in December is 82%.Rainfall
December is the month with the least rainfall. Rain falls for 7.7 days and accumulates 1.26" (32mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Gibraltar, during December, snow falls for 6.7 days and regularly aggregates up to 1.57" (40mm) of snow. Throughout the year, there are 37.5 snowfall days, and 12.24" (311mm) of snow is accumulated.Ocean temperature
In December, the average ocean temperature is 38.1°F (3.4°C).Note: During swimming, this scenario is excessively cold, hazardous, and can lead to fatality. Hypothermia ensues swiftly without suitable insulated waterproof wear.
Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:42 am and sunset at 5:01 pm. On the last day of December, sunrise is at 8:00 am and sunset at 5:11 pm EST.
Sunshine
The average sunshine in December in Gibraltar is 3.6h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gibraltar, MI
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Gibraltar, MI
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Gibraltar, MI
- Average wind speed in December: 10.7mph
The windiest months (with the highest average wind speed) are January and November (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Gibraltar, MI
- Average humidity in December: 82%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Gibraltar, MI
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is December (1.26").
Average rainfall days in December
Gibraltar, MI
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
Gibraltar, MI
- Average snowfall in December: 1.57"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Gibraltar, MI
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in December
Gibraltar, MI
- Average sea temperature in December: 38.2°F
The best month for swimming (with the highest average sea temperature) is August (75.4°F).
The coldest month (with the lowest average sea temperature) is February (32.7°F).
Average daylight in December /
Average sunshine in December
Gibraltar, MI
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Gibraltar, MI
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Gibraltar, MI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Gibraltar, MI
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Gibraltar, MI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
