January weather forecast
Saint John Harbor, AK

Share

Weather in January

January, the same as December, is a wintry winter month in Saint John Harbor, Alaska, with an average temperature varying between 27.3°F (-2.6°C) and 32.7°F (0.4°C).

Temperature

In January, Saint John Harbor's weather conditions record an average high-temperature of a still cold 32.7°F (0.4°C), demonstrating little divergence from the preceding month. Recording a slight drop from the daily maximum, Saint John Harbor notes an average low temperature of 27.3°F (-2.6°C) in the month of January.

Humidity

The months with the highest humidity are January and August, with an average relative humidity of 86%.

Rainfall

In Saint John Harbor, in January, during 15.8 rainfall days, 6.02" (153mm) of precipitation is typically accumulated. In Saint John Harbor, during the entire year, the rain falls for 197.9 days and collects up to 53.03" (1347mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Saint John Harbor, Alaska, in January, during 8.6 snowfall days, 11.73" (298mm) of snow is typically accumulated. In Saint John Harbor, during the entire year, snow falls for 47.5 days and aggregates up to 58.23" (1479mm) of snow.

Daylight

In Saint John Harbor, the average length of the day in January is 7h and 40min.
On the first day of the month, sunrise is at 8:25 am and sunset at 3:24 pm. On the last day of January, in Saint John Harbor, sunrise is at 7:50 am and sunset at 4:20 pm AKST.

Sunshine

January and November, with an average of 3.4h of sunshine, are months with the least sunshine.

UV index

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

How cold is it in Saint John Harbor in January?

The average high-temperature and low-temperature during January are 32.7°F (0.4°C) and 27.3°F (-2.6°C) respectively.

What is the most humid month?

January and August, with an average relative humidity of 86%, are most humid months.

What is the average humidity in January?

In January, the average relative humidity in Saint John Harbor is 86%.

How much does it rain in January?

In January, the rain falls for 15.8 days. Throughout January, 6.02" (153mm) of precipitation is accumulated.

How much does it snow in January?

In Saint John Harbor, during January, snow falls for 8.6 days and regularly aggregates up to 11.73" (298mm) of snow.

What is the average length of the day in January?

In January, the average day length is 7h and 40min.

When is the sunrise / sunset in January in Saint John Harbor?

On the first day of January, sunrise is at 8:25 am and sunset at 3:24 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 4:20 pm AKST.

What is the month with the least sunshine?

January and November, with an average of 3.4h of sunshine, are months with the least sunshine.

How many hours of sunshine does Saint John Harbor have in January?

In Saint John Harbor, the average sunshine duration in January is 3.4h.

How high is the UV index in January?

In Saint John Harbor, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Saint John Harbor, AK

Average temperature in January - Saint John Harbor, AK
  • Average high temperature in January: 32.7°F

The warmest month (with the highest average high temperature) is July (59.7°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in January: 27.3°F

The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is February (25.9°F).

Average pressure in January
Saint John Harbor, AK

Average pressure in January - Saint John Harbor, AK
  • Average pressure in January: 29.85"Hg

The month with the highest atmospheric pressure is July (30.05"Hg).
The month with the lowest atmospheric pressure is November (29.8"Hg).

Average wind speed in January
Saint John Harbor, AK

Average wind speed in January - Saint John Harbor, AK
  • Average wind speed in January: 8.2mph

The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is July (3.9mph).

Average humidity in January
Saint John Harbor, AK

Average humidity in January - Saint John Harbor, AK
  • Average humidity in January: 86%

The months with the highest relative humidity are January and August (86%).
The month with the lowest relative humidity is May (81%).

Average rainfall in January
Saint John Harbor, AK

Average rainfall in January - Saint John Harbor, AK
  • Average rainfall in January: 6.02"

The wettest month (with the highest rainfall) is October (6.3").
The driest month (with the least rainfall) is May (2.01").

Average rainfall days in January
Saint John Harbor, AK

Average rainfall days in January - Saint John Harbor, AK
  • Average rainfall days in January: 15.8 days

The month with the highest number of rainy days is October (20.1 days).
The month with the least rainy days is February (9.5 days).

Average snowfall in January
Saint John Harbor, AK

Average snowfall in January - Saint John Harbor, AK
  • Average snowfall in January: 11.73"

The month with the highest snowfall is March (13.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Saint John Harbor, AK

Average snowfall days in January - Saint John Harbor, AK
  • Average snowfall days in January: 8.6 days

The month with the highest number of snowfall days is March (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Saint John Harbor, AK

Average daylight in January / Average sunshine in January - Saint John Harbor, AK
  • Average daylight in January: 7h and 4min

The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is May (Average sunshine: 7h and 24min).
The months with the least sunshine are January and November (Average sunshine: 3h and 24min).

Average sunshine days in January
Saint John Harbor, AK

Average sunshine days in January - Saint John Harbor, AK
  • Average sunshine days in January: 10.5 days

The month with the most sunshine days is December (12.5 days).
The month with the least sunshine days is November (8 days).

Average UV index in January
Saint John Harbor, AK

Average UV index in January - Saint John Harbor, AK
  • Average UV index in January: 2

The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are November and December (UV index 1).

Average cloud cover in January
Saint John Harbor, AK

Average cloud cover in January - Saint John Harbor, AK
  • Average cloud cover in January: 66

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are February and May (Cloud cover 54).

Average visibility in January
Saint John Harbor, AK

Average visibility in January - Saint John Harbor, AK
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

Saint John Harbor, Alaska, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location