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's climate shows a minor adjustment in average high-temperatures to a still cold 39°F (3.9°C) from December's 38.3°F (3.5°C). During January, the average low-temperature in Highland is a subzero cold 28.8°F (-1.8°C).Humidity
January is the most humid month, with an average relative humidity of 80%.Rainfall
In January, in Highland, the rain falls for 10.8 days. Throughout January, 0.91" (23mm) of precipitation is accumulated. In Highland, Washington, during the entire year, the rain falls for 102.8 days and collects up to 7.32" (186mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In January, it is snowing for 2.3 days. Throughout January, 1.02" (26mm) of snow is accumulated. In Highland, during the entire year, snow falls for 9.7 days and aggregates up to 5.2" (132mm) of snow.Daylight
In Highland, the average length of the day in January is 9h and 7min.On the first day of the month, sunrise is at 7:38 am and sunset at 4:21 pm. On the last day of January, in Highland, sunrise is at 7:20 am and sunset at 4:59 pm PST.
Sunshine
With an average of 5.4h of sunshine, January has the least sunshine of the year in Highland, Washington.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is January in Highland?
What is the most humid month in Highland?
What is the average humidity in January in Highland?
How much does it rain in Highland in January?
How much does it snow in Highland in January?
What is the average length of the day in January in Highland?
When are sunrise and sunset in January in Highland?
What is the month with the least sunshine in Highland?
How many hours of sunshine does Highland have in January?
What is the month with the lowest UV index in Highland?
How high is the UV index in January in Highland?
Average temperature in January
Highland, WA
- Average high temperature in January: 39°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (38.3°F).
- Average low temperature in January: 28.8°F
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (27.9°F).
Average pressure in January
Highland, WA
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in January
Highland, WA
- Average wind speed in January: 6.3mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity in January
Highland, WA
- Average humidity in January: 80%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (35%).
Average rainfall in January
Highland, WA
- Average rainfall in January: 0.91"
The wettest months (with the highest rainfall) are March and December (0.94").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in January
Highland, WA
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is July (3.5 days).
Average snowfall in January
Highland, WA
- Average snowfall in January: 1.02"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Highland, WA
- Average snowfall days in January: 2.3 days
The month with the highest number of snowfall days is December (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Highland, WA
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in January
Highland, WA
- Average sunshine days in January: 16.4 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (15.4 days).
Average UV index in January
Highland, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Highland, WA
- Average cloud cover in January: 44
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in January
Highland, 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).
Highland, Washington, USA
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