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
Ilwaco experiences a recorded average high-temperature of a still frosty 47.7°F (8.7°C) in January, closely aligned with December's 46.8°F (8.2°C). An average nighttime temperature of 42.1°F (5.6°C) marks January.Humidity
In January, the average relative humidity is 81%.Rainfall
In Ilwaco, in January, it is raining for 16.8 days, with typically 2.8" (71mm) of accumulated precipitation. In Ilwaco, during the entire year, the rain falls for 165.1 days and collects up to 19.92" (506mm) of precipitation.Snowfall
Months with snowfall are January, February and September. January is the first month it typically snows in Ilwaco. Throughout January, in the average 0.4 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, in Ilwaco, there are 1.8 snowfall days, and 0.47" (12mm) of snow is accumulated.Daylight
In Ilwaco, Washington, the average length of the day in January is 9h and 6min.On the first day of January in Ilwaco, sunrise is at 7:59 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:18 pm PST.
Sunshine
The month with the least sunshine in Ilwaco is January, with an average of 3.8h of sunshine.UV index
The average daily maximum UV index in January in Ilwaco is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 3 in January leads to these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures in Ilwaco?
What is the average humidity in January in Ilwaco?
How many days does it rain in January in Ilwaco?
When does it start snowing in Ilwaco?
What is the average length of the day in January in Ilwaco?
When is the sunrise / sunset in January in Ilwaco?
What is the month with the least sunshine in Ilwaco?
How many hours of sunshine does Ilwaco have in January?
What is the UV index intensity in January in Ilwaco?
Average temperature in January
Ilwaco, WA
- Average high temperature in January: 47.7°F
The warmest month (with the highest average high temperature) is August (63.9°F).
The month with the lowest average high temperature is December (46.8°F).
- Average low temperature in January: 42.1°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (41.5°F).
Average pressure in January
Ilwaco, WA
- Average pressure in January: 30.07"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in January
Ilwaco, WA
- Average wind speed in January: 11.9mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in January
Ilwaco, WA
- Average humidity in January: 81%
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is April (80%).
Average rainfall in January
Ilwaco, WA
- Average rainfall in January: 2.8"
The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in January
Ilwaco, WA
- Average rainfall days in January: 16.8 days
The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is August (6.7 days).
Average snowfall in January
Ilwaco, WA
- Average snowfall in January: 0.12"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, October, November and December (0").
Average snowfall days in January
Ilwaco, WA
- Average snowfall days in January: 0.4 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in January /
Average sunshine in January
Ilwaco, 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: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Ilwaco, WA
- Average sunshine days in January: 12.4 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is November (8.9 days).
Average UV index in January
Ilwaco, WA
- Average UV index in January: 3
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in January
Ilwaco, WA
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in January
Ilwaco, 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).
Ilwaco, Washington, USA
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