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
Bunker Hill marks the onset of January with an average high-temperature of a fresh 50.5°F (10.3°C), subtly divergent from December's 49.1°F (9.5°C). Bunker Hill, in the month of January, notes an average low temperature of 42.4°F (5.8°C), indicating a small decrease from the daytime highs.Humidity
In January, the average relative humidity is 83%.Rainfall
In Bunker Hill, Oregon, in January, during 18.1 rainfall days, 5.16" (131mm) of precipitation is typically accumulated. Throughout the year, there are 153 rainfall days, and 33.5" (851mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February and November. January is the first month it typically snows. Throughout January, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Bunker Hill, during the entire year, snow falls for 0.7 days and aggregates up to 0.31" (8mm) of snow.Daylight
The average length of the day in January is 9h and 25min.On the first day of the month, sunrise is at 7:49 am and sunset at 4:51 pm. On the last day of January, sunrise is at 7:33 am and sunset at 5:26 pm PST.
Sunshine
The months with the least sunshine are January and February, with an average of 4.4h of sunshine.UV index
In January, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 3 in January suggests the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January in Bunker Hill?
What is the average humidity in January?
How many days does it rain in January?
When does it start snowing?
How many hours of daylight does Bunker Hill have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Bunker Hill have in January?
What is the UV index reading in January?
Average temperature in January
Bunker Hill, OR
- Average high temperature in January: 50.5°F
The warmest month (with the highest average high temperature) is August (66.9°F).
The month with the lowest average high temperature is December (49.1°F).
- Average low temperature in January: 42.4°F
The month with the highest average low temperature is August (52.3°F).
The coldest months (with the lowest average low temperature) are February and December (41.7°F).
Average pressure in January
Bunker Hill, OR
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).
Average wind speed in January
Bunker Hill, OR
- Average wind speed in January: 8.8mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in January
Bunker Hill, OR
- Average humidity in January: 83%
The months with the highest relative humidity are February and August (84%).
The months with the lowest relative humidity are April and October (81%).
Average rainfall in January
Bunker Hill, OR
- Average rainfall in January: 5.16"
The wettest month (with the highest rainfall) is December (5.87").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in January
Bunker Hill, OR
- Average rainfall days in January: 18.1 days
The month with the highest number of rainy days is March (19.2 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in January
Bunker Hill, OR
- Average snowfall in January: 0.04"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days in January
Bunker Hill, OR
- Average snowfall days in January: 0.1 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Bunker Hill, OR
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 4h and 24min).
Average sunshine days in January
Bunker Hill, OR
- Average sunshine days in January: 11.6 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in January
Bunker Hill, OR
- Average UV index in January: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in January
Bunker Hill, OR
- Average cloud cover in January: 53
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and September (Cloud cover 28).
Average visibility in January
Bunker Hill, OR
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Bunker Hill, Oregon, USA
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