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
With December's arrival, Bath sees a decrease in average high-temperatures, moving from a wintry 38.7°F (3.7°C) in November to a freezing cold 27.5°F (-2.5°C). December's nights in Bath observe an average temperature of 17.8°F (-7.9°C).Humidity
The average relative humidity in December is 86%.Rainfall
In December, the rain falls for 8 days. Throughout December, 0.71" (18mm) of precipitation is accumulated. In Bath, during the entire year, the rain falls for 121.7 days and collects up to 10.83" (275mm) of precipitation.Snowfall
Months with snowfall in Bath, New Hampshire, are January through May, October through December. In December, it is snowing for 18.2 days. Throughout December, 2.56" (65mm) of snow is accumulated. In Bath, New Hampshire, during the entire year, snow falls for 106.5 days and aggregates up to 21.34" (542mm) of snow.Daylight
December has the shortest days of the year in Bath, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 4:10 pm. On the last day of December, in Bath, New Hampshire, sunrise is at 7:23 am and sunset at 4:19 pm EST.
Sunshine
In December, the average sunshine is 3.4h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Bath. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
How cold is December in Bath?
What is the average humidity in December in Bath?
How much does it rain in Bath in December?
How many days does it snow in December in Bath?
What is the month with the shortest days in Bath?
What is the average length of the day in December in Bath?
What time are sunrise and sunset in December in Bath?
How many hours of sunshine does Bath have in December?
What are the months with the lowest UV index in Bath?
How high is the UV index in December in Bath?
Average temperature in December
Bath, NH
- Average high temperature in December: 27.5°F
The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (21.9°F).
- Average low temperature in December: 17.8°F
The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Bath, NH
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Bath, NH
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Bath, NH
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Bath, NH
- Average rainfall in December: 0.71"
The wettest months (with the highest rainfall) are June and July (1.18").
The driest months (with the least rainfall) are February and March (0.67").
Average rainfall days in December
Bath, NH
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in December
Bath, NH
- Average snowfall in December: 2.56"
The month with the highest snowfall is January (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bath, NH
- Average snowfall days in December: 18.2 days
The month with the highest number of snowfall days is January (20.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bath, NH
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in December
Bath, NH
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in December
Bath, NH
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Bath, NH
- Average cloud cover in December: 67
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Bath, NH
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July and November (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October and December (4mi).
Bath, New Hampshire, USA
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