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
January, noted for its average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 18.5°F (-7.5°C), is considered the coldest month.Humidity
In January, the average relative humidity in Southwest Harbor is 81%.Rainfall
In January, the rain falls for 8.1 days. Throughout January, 3.19" (81mm) of precipitation is accumulated. Throughout the year, there are 142.1 rainfall days, and 32.28" (820mm) of precipitation is accumulated.Snowfall
Months with snowfall in Southwest Harbor are January through May, October through December. In Southwest Harbor, Maine, in January, snow falls for 11.8 days, with typically accumulated 5.31" (135mm) of snow. Throughout the year, there are 48.1 snowfall days, and 23.82" (605mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 19min.On the first day of the month, sunrise is at 7:08 am and sunset at 4:04 pm. On the last day of January, in Southwest Harbor, sunrise is at 6:52 am and sunset at 4:40 pm EST.
Sunshine
In Southwest Harbor, the average sunshine in January is 4.5h.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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Southwest Harbor?
How cold is January in Southwest Harbor?
What is the average humidity in January in Southwest Harbor?
How many days does it rain in January in Southwest Harbor?
How much does it snow in Southwest Harbor in January?
What is the average length of the day in January in Southwest Harbor?
When is the sunrise / sunset in January in Southwest Harbor?
How many hours of sunshine does Southwest Harbor have in January?
When is the lowest UV index in Southwest Harbor?
What is the UV index intensity in January in Southwest Harbor?
Average temperature in January
Southwest Harbor, ME
- Average high temperature in January: 29.7°F
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in January: 18.5°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in January
Southwest Harbor, ME
- Average pressure in January: 29.95"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
Southwest Harbor, ME
- Average wind speed in January: 10.4mph
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 (6.3mph).
Average humidity in January
Southwest Harbor, ME
- Average humidity in January: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in January
Southwest Harbor, ME
- Average rainfall in January: 3.19"
The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in January
Southwest Harbor, ME
- Average rainfall days in January: 8.1 days
The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in January
Southwest Harbor, ME
- Average snowfall in January: 5.31"
The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Southwest Harbor, ME
- Average snowfall days in January: 11.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Southwest Harbor, 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in January
Southwest Harbor, ME
- Average sunshine days in January: 14.4 days
The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in January
Southwest Harbor, 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
Southwest Harbor, ME
- Average cloud cover in January: 52
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in January
Southwest Harbor, ME
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Southwest Harbor, Maine, USA
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