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
January denotes a minimal variation in the average high-temperature to a still frosty 43.9°F (6.6°C) from December's 43°F (6.1°C). In Port Townsend, the nighttime temperature shows a slight difference from the daytime high, averaging to a wintry 37.6°F (3.1°C) during January.Humidity
The most humid month in Port Townsend is January, with an average relative humidity of 83%.Rainfall
In Port Townsend, Washington, in January, during 17.8 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. Throughout the year, there are 180.3 rainfall days, and 21.85" (555mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Port Townsend, in January, snow falls for 1.8 days, with typically accumulated 1.02" (26mm) of snow. In Port Townsend, during the entire year, snow falls for 7.8 days and aggregates up to 4.84" (123mm) of snow.Ocean temperature
January, February and April, with an average ocean temperature of 45.1°F (7.3°C), are months with the coldest seawater.Note: Being in 45.1°F (7.3°C) waters at 55.4°F (13°C) is discomforting, but anything below 50°F (10°C) can jeopardize breathing and induce cold shock, factoring in physical endurance.
Daylight
In January, the average length of the day is 8h and 54min.On the first day of January, sunrise is at 8:01 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:08 pm PST.
Sunshine
The month with the least sunshine is January, with an average of 4.8h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 2 suggests this advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
When is the ocean coldest?
How cold is the water in January?
How many hours of daylight does Port Townsend have in January?
What time are sunrise and sunset in January in Port Townsend?
What is the month with the least sunshine?
How many hours of sunshine does Port Townsend have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Port Townsend, WA
- Average high temperature in January: 43.9°F
The warmest month (with the highest average high temperature) is August (67.8°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in January: 37.6°F
The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is February (37.4°F).
Average pressure in January
Port Townsend, WA
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.01"Hg).
Average wind speed in January
Port Townsend, WA
- Average wind speed in January: 7mph
The windiest month (with the highest average wind speed) is November (7.4mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in January
Port Townsend, WA
- Average humidity in January: 83%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (75%).
Average rainfall in January
Port Townsend, WA
- Average rainfall in January: 2.52"
The wettest month (with the highest rainfall) is November (2.91").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in January
Port Townsend, WA
- Average rainfall days in January: 17.8 days
The month with the highest number of rainy days is March (20.7 days).
The month with the least rainy days is August (6.6 days).
Average snowfall in January
Port Townsend, WA
- Average snowfall in January: 1.02"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Port Townsend, WA
- Average snowfall days in January: 1.8 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).
Average sea temperature in January
Port Townsend, WA
- Average sea temperature in January: 45.1°F
The best month for swimming (with the highest average sea temperature) is August (53°F).
The coldest month (with the lowest average sea temperature) is February (45°F).
Average daylight in January /
Average sunshine in January
Port Townsend, WA
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in January
Port Townsend, WA
- Average sunshine days in January: 10.6 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is March (8.2 days).
Average UV index in January
Port Townsend, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Port Townsend, WA
- Average cloud cover in January: 50
The months with the most cloud cover are January, February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in January
Port Townsend, WA
- 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).
Port Townsend, Washington, USA
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