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
December in East Haven, Connecticut, brings a decrease in the average high-temperature, shifting from a cool 50.7°F (10.4°C) in November to a cold 41.7°F (5.4°C). An average low-temperature of 32.4°F (0.2°C) is noted in East Haven during the month of December.Humidity
In December, the average relative humidity is 75%.Rainfall
In East Haven, in December, it is raining for 9.1 days, with typically 1.1" (28mm) of accumulated precipitation. In East Haven, during the entire year, the rain falls for 112.8 days and collects up to 9.8" (249mm) of precipitation.Snowfall
Months with snowfall in East Haven are January through March and December. December is the first month it typically snows in East Haven. Throughout December, in the average 2.7 snowfall days, it receives 0.31" (8mm) of snow. In East Haven, during the entire year, snow falls for 16.3 days and aggregates up to 1.54" (39mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 6:58 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:32 pm EST.
Sunshine
In East Haven, Connecticut, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index in East Haven are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
Is December cold in East Haven?
What is the average humidity in December in East Haven?
How much does it rain in East Haven in December?
When does it start snowing in East Haven?
What is the month with the shortest days in East Haven?
What is the average length of the day in December in East Haven?
What time are sunrise and sunset in December in East Haven?
How long on average sun shines in December in East Haven?
What is the month with the lowest UV index in East Haven?
What is the UV index intensity in December in East Haven?
Average temperature in December
East Haven, CT
- Average high temperature in December: 41.7°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in December
East Haven, CT
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
East Haven, CT
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
East Haven, CT
- Average humidity in December: 75%
The month with the highest relative humidity is June (77%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
East Haven, CT
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is July (1.14").
The driest months (with the least rainfall) are January and September (0.51").
Average rainfall days in December
East Haven, CT
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in December
East Haven, CT
- Average snowfall in December: 0.31"
The month with the highest snowfall is March (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
East Haven, CT
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
East Haven, CT
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
East Haven, CT
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is August (16.3 days).
Average UV index in December
East Haven, CT
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
East Haven, CT
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
East Haven, CT
- 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).
East Haven, Connecticut, USA
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