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 sea temperature 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
Rockport's temperature records reveal January as the coldest month, marked by average highs of 29.8°F (-1.2°C) and lows of 19.9°F (-6.7°C).Humidity
In January, the average relative humidity is 80%.Rainfall
In Rockport, in January, during 6.8 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, in Rockport, there are 122.8 rainfall days, and 13.43" (341mm) of precipitation is accumulated.Snowfall
Months with snowfall in Rockport, Maine, are January through April, November and December. The month with the most snowfall is January, when snow falls for 8 days and typically aggregates up to 1.69" (43mm) of snow.Ocean temperature
In January, the average ocean temperature is 41.2°F (5.1°C).Note: Swimming in 41.2°F (5.1°C) poses a severe threat. Even short exposure to 55.4°F (13°C) is chilling, and going below 50°F (10°C) can cause breathing irregularities and intense cold shock, based on one's stamina.
Daylight
The average length of the day in January is 9h and 19min.On the first day of January in Rockport, sunrise is at 7:11 am and sunset at 4:07 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:44 pm EST.
Sunshine
In January, the average sunshine in Rockport is 4.9h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 in January translates into this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Rockport?
How cold is January in Rockport?
What is the average humidity in January in Rockport?
How many days does it rain in January in Rockport?
When does it snow the most in Rockport?
How much does it snow in Rockport in January?
What is the water temperature in January in Rockport?
What is the average length of the day in January in Rockport?
What time are sunrise and sunset in January in Rockport?
How many hours of sunshine does Rockport have in January?
What are the months with the lowest UV index in Rockport?
What is the UV index reading in January in Rockport?
Average temperature in January
Rockport, ME
- Average high temperature in January: 29.8°F
The warmest month (with the highest average high temperature) is August (70.7°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in January: 19.9°F
The months with the highest average low temperature are July and August (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in January
Rockport, ME
- Average pressure in January: 29.96"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Rockport, ME
- Average wind speed in January: 12.9mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in January
Rockport, ME
- Average humidity in January: 80%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (76%).
Average rainfall in January
Rockport, ME
- Average rainfall in January: 1.22"
The wettest months (with the highest rainfall) are April, November and December (1.42").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in January
Rockport, ME
- Average rainfall days in January: 6.8 days
The month with the highest number of rainy days is April (13.2 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall in January
Rockport, ME
- Average snowfall in January: 1.69"
The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Rockport, ME
- Average snowfall days in January: 8 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in January
Rockport, ME
- Average sea temperature in January: 41.2°F
The best month for swimming (with the highest average sea temperature) is August (60.4°F).
The coldest month (with the lowest average sea temperature) is March (37.8°F).
Average daylight in January /
Average sunshine in January
Rockport, ME
- Average daylight in January: 9h and 2min
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 January: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in January
Rockport, ME
- Average sunshine days in January: 17 days
The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in January
Rockport, ME
- Average UV index in January: 2
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, March, November and December (UV index 2).
Average cloud cover in January
Rockport, ME
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Rockport, ME
- Average visibility in January: 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).
Rockport, Maine, USA
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