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 sea temperature 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
December signals a slight drop in average high-temperature, sliding from November's frosty 8.9°C (48°F) to a cold 4.4°C (39.9°F). Yarmouth's nocturnal readings in December exhibit minimal variation from the daytime temperatures, averaging at a still wintry 0°C (32°F).Humidity
In December, the average relative humidity is 81%.Rainfall
December is the month with the most rainfall in Yarmouth, Canada. Rain falls for 15.5 days and accumulates 106mm (4.17") of precipitation.Snowfall
January through April, October through December are months with snowfall. In Yarmouth, in December, snow falls for 9.7 days, with typically accumulated 109mm (4.29") of snow. In Yarmouth, during the entire year, snow falls for 55 days and aggregates up to 449mm (17.68") of snow.Sea temperature
In December, the average sea temperature in Yarmouth is 7.7°C (45.9°F).Note: Swimming in 7.7°C (45.9°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
Daylight
The month with the shortest days in Yarmouth is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:39 am and sunset at 4:48 pm. On the last day of December, sunrise is at 7:58 am and sunset at 4:57 pm AST.
Sunshine
In December, the average sunshine in Yarmouth is 3.1h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
How cold is it in Yarmouth in December?
What is the average humidity in December in Yarmouth?
What is the wettest month in Yarmouth?
How much does it rain in Yarmouth in December?
How many days does it snow in December in Yarmouth?
What is the water temperature in December in Yarmouth?
What is the month with the shortest days in Yarmouth?
What is the average length of the day in December in Yarmouth?
When is the sunrise / sunset in December in Yarmouth?
How many hours of sunshine does Yarmouth have in December?
What is the month with the lowest UV index in Yarmouth?
What is the UV index intensity in December in Yarmouth?
Average temperature in December
Yarmouth, Canada
- Average high temperature in December: 4.4°C
The warmest month (with the highest average high temperature) is August (20.8°C).
The month with the lowest average high temperature is February (1.3°C).
- Average low temperature in December: 0°C
The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).
Average pressure in December
Yarmouth, Canada
- Average pressure in December: 1014.7mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is February (1013.1mbar).
Average wind speed in December
Yarmouth, Canada
- Average wind speed in December: 22.8km/h
The windiest month (with the highest average wind speed) is January (23.7km/h).
The calmest months (with the lowest average wind speed) are July and August (13.8km/h).
Average humidity in December
Yarmouth, Canada
- Average humidity in December: 81%
The months with the highest relative humidity are July and August (83%).
The month with the lowest relative humidity is March (78%).
Average rainfall in December
Yarmouth, Canada
- Average rainfall in December: 106mm
The wettest month (with the highest rainfall) is December (106mm).
The driest month (with the least rainfall) is July (44mm).
Average rainfall days in December
Yarmouth, Canada
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (9 days).
Average snowfall in December
Yarmouth, Canada
- Average snowfall in December: 109mm
The month with the highest snowfall is January (114mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Yarmouth, Canada
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in December
Yarmouth, Canada
- Average sea temperature in December: 7.7°C
The best month for swimming (with the highest average sea temperature) is August (13.5°C).
The coldest months (with the lowest average sea temperature) are February and March (3.1°C).
Average daylight in December /
Average sunshine in December
Yarmouth, Canada
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Yarmouth, Canada
- Average sunshine days in December: 7.9 days
The month with the most sunshine days is August (19.3 days).
The month with the least sunshine days is January (5.8 days).
Average UV index in December
Yarmouth, Canada
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Yarmouth, Canada
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Yarmouth, Canada
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).
Yarmouth, Canada
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