January weather forecastRockport, WA
January
Weather in January
January in Rockport, Washington, is a cold winter month, with an average temperature fluctuating between 32.9°F (0.5°C) and 21.9°F (-5.6°C).Temperature
The advent of January denotes an average high-temperature of a wintry 32.9°F (0.5°C), subtly different from December's 30.7°F (-0.7°C). Rockport encounters a steady low-temperature average of 21.9°F (-5.6°C) throughout the month of January.Humidity
The months with the highest humidity in Rockport are January through March, with an average relative humidity of 91%.Rainfall
The month with the most rainfall is January, when the rain falls for 4.6 days and typically aggregates up to 9.25" (235mm) of precipitation.Snowfall
Months with snowfall in Rockport are January through June, September through December. January is the month with the most snowfall. Snow falls for 19.3 days and accumulates 71.57" (1818mm) of snow.Daylight
The average length of the day in January is 8h and 51min.On the first day of January in Rockport, sunrise is at 7:58 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:02 pm PST.
Sunshine
With an average of 3.7h of sunshine, January has the least sunshine of the year.UV index
January, February, October and November, with an average maximum UV index of 1, are months with the lowest UV index. 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 maximum UV index of 1 in January interprets into the following advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Rockport, WA
- Average high temperature in January: 32.9°F
The warmest month (with the highest average high temperature) is August (71.2°F).
The month with the lowest average high temperature is December (30.7°F).
- Average low temperature in January: 21.9°F
The month with the highest average low temperature is August (43.7°F).
The coldest month (with the lowest average low temperature) is December (19.6°F).
Average pressure in January
Rockport, WA
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in January
Rockport, WA
- Average wind speed in January: 4.7mph
The windiest month (with the highest average wind speed) is January (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in January
Rockport, WA
- Average humidity in January: 91%
The months with the highest relative humidity are January, February and March (91%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in January
Rockport, WA
- Average rainfall in January: 9.25"
The wettest month (with the highest rainfall) is January (9.25").
The driest month (with the least rainfall) is August (0.87").
Average rainfall days in January
Rockport, WA
- Average rainfall days in January: 4.6 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in January
Rockport, WA
- Average snowfall in January: 71.57"
The month with the highest snowfall is January (71.57").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Rockport, WA
- Average snowfall days in January: 19.3 days
The month with the highest number of snowfall days is March (22.8 days).
The month with the least snowfall days is August (0 days).
Average daylight in January /
Average sunshine in January
Rockport, WA
- Average daylight in January: 8h and 54min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January: 3h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Rockport, WA
- Average sunshine days in January: 11.2 days
The month with the most sunshine days is August (18.1 days).
The month with the least sunshine days is April (6.5 days).
Average UV index in January
Rockport, WA
- Average UV index in January: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October and November (UV index 1).
Average cloud cover in January
Rockport, WA
- Average cloud cover in January: 60
The month with the most cloud cover is March (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Rockport, WA
- Average visibility in January: 3mi
The months with the highest visibility are June, July, August and September (5mi).
The months with the lowest visibility are January and March (3mi).
