January weather forecast
Navy Yard City, WA

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Weather in January

January, the same as December, in Navy Yard City, Washington, is a frosty winter month, with an average temperature fluctuating between 45°F (7.2°C) and 36.1°F (2.3°C).

Temperature

The beginning of January records an average high-temperature of a still chilly 45°F (7.2°C), marking a negligible difference from December's 43.2°F (6.2°C). Navy Yard City's average low temperature, barely cooler than the daytime high, steadies at a wintry 36.1°F (2.3°C) during January.

Humidity

The average relative humidity in January in Navy Yard City is 86%.

Rainfall

The months with the most rainfall are January and December, with an average 2.05" (52mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Navy Yard City. In January, it is snowing for 1.7 days. Throughout January, 0.63" (16mm) of snow is accumulated. Throughout the year, in Navy Yard City, there are 7 snowfall days, and 2.36" (60mm) of snow is accumulated.

Ocean temperature

In Navy Yard City, the average seawater temperature in January is 45.5°F (7.5°C).
Note: Dipping into 45.5°F (7.5°C) below 50°F (10°C) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 55.4°F (13°C) feels cold to the bone.

Daylight

In Navy Yard City, Washington, the average length of the day in January is 8h and 58min.
On the first day of the month, sunrise is at 7:58 am and sunset at 4:29 pm. On the last day of January, sunrise is at 7:38 am and sunset at 5:09 pm PST.

Sunshine

In Navy Yard City, the average sunshine in January is 4.2h.

UV index

The months with the lowest UV index in Navy Yard City are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 2 in January transforms into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Boost your sun resistance with garments that are densely woven yet spacious. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What are January temperatures in Navy Yard City?

In January, in Navy Yard City, the average high-temperature is 45°F (7.2°C), and the average low-temperature is 36.1°F (2.3°C).

What is the average humidity in January in Navy Yard City?

The average relative humidity in January in Navy Yard City, Washington, is 86%.

What is the rainiest month in Navy Yard City?

The wettest months in Navy Yard City are January and December, with an average 2.05" (52mm) of rainfall.

How much does it rain in Navy Yard City in January?

In January, the rain falls for 13.4 days. Throughout January, 2.05" (52mm) of precipitation is accumulated.

How much does it snow in Navy Yard City in January?

In Navy Yard City, Washington, in January, during 1.7 snowfall days, 0.63" (16mm) of snow is typically accumulated.

What is the ocean temperature in January in Navy Yard City?

In Navy Yard City, in January, the average water temperature is 45.5°F (7.5°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Navy Yard City have in January?

The average day length in January is 8h and 58min.

When are sunrise and sunset in January in Navy Yard City?

On the first day of January in Navy Yard City, Washington, sunrise is at 7:58 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:09 pm PST.

How many hours of sunshine does Navy Yard City have in January?

In January, the average sunshine duration in Navy Yard City, Washington, is 4.2h.

What is the month with the lowest UV index in Navy Yard City?

The months with the lowest UV index in Navy Yard City, Washington, are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Navy Yard City?

In January, the average daily maximum UV index in Navy Yard City is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
43.2°F 6.2°C
45°F 7.2°C
46°F 7.8°C
Average low temperature
34.9°F 1.6°C
36.1°F 2.3°C
35.2°F 1.8°C
Average pressure
30.07" 764mmHg
30.09" 764mmHg
30.06" 764mmHg
Average wind speed
4.7mph 7.6km/h
5.1mph 8.2km/h
5mph 8km/h
Average max. wind speed
5.2mph 8.4km/h
5.7mph 9.2km/h
5.6mph 9km/h
Average wind speed gusts
8mph 12.9km/h
8.6mph 13.8km/h
8.4mph 13.5km/h
Average humidity
87%
86%
85%
Average rainfall
2.05" 52mm
2.05" 52mm
1.14" 29mm
Average rainfall days
14.3
13.4
12.8
Average snowfall
0.12" 3mm
0.63" 16mm
1.22" 31mm
Average snowfall days
1
1.7
2.8
Average sea temperature
46.6°F 8.1°C
45.6°F 7.6°C
45.3°F 7.4°C
Average daylight
8h 3min
9h 0min
10h 2min
Average sunshine
4h 1min
4h 1min
4h 3min
Average sunshine days
13.8
14.9
11.8
Average UV index
2
2
2
Average cloud cover
58%
57%
55%
Average visibility
5mi 8km
5mi 8km
5mi 8km

Average temperature in January
Navy Yard City, WA

Average temperature in January - Navy Yard City, WA
  • Average high temperature in January: 45°F

The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (43.2°F).

  • Average low temperature in January: 36.1°F

The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).

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Average pressure in January
Navy Yard City, WA

Average pressure in January - Navy Yard City, WA
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

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Average wind speed in January
Navy Yard City, WA

Average wind speed in January - Navy Yard City, WA
  • Average wind speed in January: 5.1mph

The windiest month (with the highest average wind speed) is March (5.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).

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Average humidity in January
Navy Yard City, WA

Average humidity in January - Navy Yard City, WA
  • Average humidity in January: 86%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in January
Navy Yard City, WA

Average rainfall in January - Navy Yard City, WA
  • Average rainfall in January: 2.05"

The wettest months (with the highest rainfall) are January and December (2.05").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in January
Navy Yard City, WA

Average rainfall days in January - Navy Yard City, WA
  • Average rainfall days in January: 13.4 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (5.4 days).

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Average snowfall in January
Navy Yard City, WA

Average snowfall in January - Navy Yard City, WA
  • Average snowfall in January: 0.63"

The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Navy Yard City, WA

Average snowfall days in January - Navy Yard City, WA
  • Average snowfall days in January: 1.7 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in January
Navy Yard City, WA

Average sea temperature in January - Navy Yard City, WA
  • Average sea temperature in January: 45.6°F

The best month for swimming (with the highest average sea temperature) is August (53.2°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).

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Average daylight in January /
Average sunshine in January
Navy Yard City, WA

Average daylight in January / Average sunshine in January - Navy Yard City, WA
  • Average daylight in January: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

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Average sunshine days in January
Navy Yard City, WA

Average sunshine days in January - Navy Yard City, WA
  • Average sunshine days in January: 14.9 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (11.8 days).

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Average UV index in January
Navy Yard City, WA

Average UV index in January - Navy Yard City, WA
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Navy Yard City, WA

Average cloud cover in January - Navy Yard City, WA
  • Average cloud cover in January: 57

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in January
Navy Yard City, WA

Average visibility in January - Navy Yard City, WA
  • Average visibility in January: 5mi

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

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Navy Yard City, Washington, USA

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