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
As Pomona Heights transitions into January, the average high-temperature stands at a still wintry 36.1°F (2.3°C), offering little variation from the preceding month. The temperature in Pomona Heights lowers to an average of 25.5°F (-3.6°C) during January nights.Humidity
January is the most humid month in Pomona Heights, Washington, with an average relative humidity of 83%.Rainfall
In Pomona Heights, in January, during 10.5 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Pomona Heights, during the entire year, the rain falls for 87.6 days and collects up to 5.94" (151mm) of precipitation.Snowfall
January through April, September, November and December are months with snowfall. In Pomona Heights, in January, during 4.4 snowfall days, 1.89" (48mm) of snow is typically accumulated. Throughout the year, in Pomona Heights, there are 19.9 snowfall days, and 8.62" (219mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 4min.On the first day of January in Pomona Heights, sunrise is at 7:46 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:03 pm PST.
Sunshine
With an average of 5.5h of sunshine, January has the least sunshine of the year in Pomona Heights, Washington.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 of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Pomona Heights in January?
What is the most humid month in Pomona Heights?
What is the average humidity in January in Pomona Heights?
How much does it rain in Pomona Heights in January?
How many days does it snow in January in Pomona Heights?
What is the average length of the day in January in Pomona Heights?
What time are sunrise and sunset in January in Pomona Heights?
What is the month with the least sunshine in Pomona Heights?
How long on average sun shines in January in Pomona Heights?
What is the month with the lowest UV index in Pomona Heights?
What is the UV index reading in January in Pomona Heights?
Average temperature in January
Pomona Heights, WA
- Average high temperature in January: 36.1°F
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in January: 25.5°F
The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in January
Pomona Heights, WA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in January
Pomona Heights, WA
- Average wind speed in January: 4.3mph
The windiest month (with the highest average wind speed) is June (7.4mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity in January
Pomona Heights, WA
- Average humidity in January: 83%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (41%).
Average rainfall in January
Pomona Heights, WA
- Average rainfall in January: 0.83"
The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in January
Pomona Heights, WA
- Average rainfall days in January: 10.5 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall in January
Pomona Heights, WA
- Average snowfall in January: 1.89"
The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in January
Pomona Heights, WA
- Average snowfall days in January: 4.4 days
The month with the highest number of snowfall days is December (5.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in January /
Average sunshine in January
Pomona Heights, WA
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 5h and 3min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in January
Pomona Heights, WA
- Average sunshine days in January: 16.7 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (15.5 days).
Average UV index in January
Pomona Heights, 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).
Average cloud cover in January
Pomona Heights, WA
- Average cloud cover in January: 40
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in January
Pomona Heights, WA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Pomona Heights, Washington, USA
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