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
Lynnfield experiences a temperature shift at the start of December, with average high-temperatures adjusting from a frosty 49.1°F (9.5°C) in November to a cold 39.7°F (4.3°C). Lynnfield in December experiences a low-temperature average of 29.8°F (-1.2°C).Humidity
In Lynnfield, the average relative humidity in December is 76%.Rainfall
December is the month with the most rainfall in Lynnfield. Rain falls for 10.5 days and accumulates 2.99" (76mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, in Lynnfield, Massachusetts, it is snowing for 5.1 days. Throughout December, 3.27" (83mm) of snow is accumulated. In Lynnfield, Massachusetts, during the entire year, snow falls for 29.9 days and aggregates up to 14.96" (380mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 6:54 am and sunset at 4:12 pm. On the last day of December, in Lynnfield, sunrise is at 7:13 am and sunset at 4:21 pm EST.
Sunshine
February and December, with an average of 4.7h of sunshine, are months with the least sunshine in Lynnfield, Massachusetts.UV index
The months with the lowest UV index in Lynnfield 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 health risk from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
How cold does it get in Lynnfield in December?
What is the average humidity in December in Lynnfield?
What is the rainiest month in Lynnfield?
How much does it rain in Lynnfield in December?
How much does it snow in Lynnfield in December?
What is the month with the shortest days in Lynnfield?
How many hours of daylight does Lynnfield have in December?
What time are sunrise and sunset in December in Lynnfield?
What is the month with the least sunshine in Lynnfield?
How many hours of sunshine does Lynnfield have in December?
What are the months with the lowest UV index in Lynnfield?
What is the UV index reading in December in Lynnfield?
Average temperature in December
Lynnfield, MA
- Average high temperature in December: 39.7°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Lynnfield, MA
- 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 (29.92"Hg).
Average wind speed in December
Lynnfield, MA
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in December
Lynnfield, MA
- Average humidity in December: 76%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Lynnfield, MA
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in December
Lynnfield, MA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Lynnfield, MA
- Average snowfall in December: 3.27"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Lynnfield, MA
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lynnfield, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in December
Lynnfield, MA
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is January (17.7 days).
The month with the least sunshine days is April (13.3 days).
Average UV index in December
Lynnfield, MA
- 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
Lynnfield, MA
- Average cloud cover in December: 49
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Lynnfield, MA
- 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).
Lynnfield, Massachusetts, USA
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