Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The month of January, characterized by an average high of 34°F (1.1°C) and a low of 21.7°F (-5.7°C), is recognized as the coldest.Humidity
In January, the average relative humidity in Dover is 77%.Rainfall
In Dover, in January, it is raining for 7.9 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, in Dover, there are 149 rainfall days, and 27.68" (703mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Dover. In Dover, in January, snow falls for 7.7 days, with typically accumulated 3.03" (77mm) of snow. In Dover, during the entire year, snow falls for 31.4 days and aggregates up to 17.8" (452mm) of snow.Daylight
In Dover, the average length of the day in January is 9h and 31min.On the first day of the month, sunrise is at 7:13 am and sunset at 4:23 pm. On the last day of January, in Dover, sunrise is at 6:59 am and sunset at 4:57 pm EST.
Sunshine
The average sunshine in January in Dover, Massachusetts, is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 2 in January translates into this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. To protect against the Sun's most potent rays, avoid direct exposure around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What time of the year is the coldest in Dover?
How cold is it in Dover in January?
What is the average humidity in January in Dover?
How much does it rain in Dover in January?
How much does it snow in Dover in January?
What is the average length of the day in January in Dover?
What time are sunrise and sunset in January in Dover?
How many hours of sunshine does Dover have in January?
What is the month with the lowest UV index in Dover?
What is the UV index reading in January in Dover?
Average temperature in January
Dover, MA
- Average high temperature in January: 34°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in January: 21.7°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in January
Dover, MA
- Average pressure in January: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Dover, MA
- Average wind speed in January: 8.8mph
The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in January
Dover, MA
- Average humidity in January: 77%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall in January
Dover, MA
- Average rainfall in January: 2.32"
The wettest months (with the highest rainfall) are March, April and December (2.87").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in January
Dover, MA
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in January
Dover, MA
- Average snowfall in January: 3.03"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Dover, MA
- Average snowfall days in January: 7.7 days
The month with the highest number of snowfall days is March (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Dover, MA
- Average daylight in January: 9h and 3min
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 January: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Dover, MA
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in January
Dover, MA
- Average UV index in January: 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 January
Dover, MA
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Dover, MA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (6mi).
The month with the lowest visibility is September (5mi).
Dover, Massachusetts, USA
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