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 weather records an average high-temperature of a still subzero cold 31.8°F (-0.1°C), showing little deviation from December. The low-temperature averages to a still freezing cold 19.4°F (-7°C) during the nights of January.Humidity
January is the most humid month, with an average relative humidity of 88%.Rainfall
In Hereford, in January, it is raining for 7.9 days, with typically 1.61" (41mm) of accumulated precipitation. In Hereford, during the entire year, the rain falls for 113.5 days and collects up to 12.56" (319mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Hereford, Oregon, during January, snow falls for 14.3 days and regularly aggregates up to 9.76" (248mm) of snow. In Hereford, during the entire year, snow falls for 65.1 days and aggregates up to 38.9" (988mm) of snow.Daylight
The average length of the day in January is 9h and 18min.On the first day of the month, sunrise is at 7:28 am and sunset at 4:22 pm. On the last day of January, sunrise is at 7:11 am and sunset at 4:59 pm PST.
Sunshine
With an average of 4.8h of sunshine, January has the least sunshine of the year.UV index
January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 1 during January, leads to the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Hereford have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Hereford have in January?
What is the month with the lowest UV index in Hereford?
How high is the UV index in January in Hereford?
Average temperature in January
Hereford, OR
- Average high temperature in January: 31.8°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (30.7°F).
- Average low temperature in January: 19.4°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).
Average pressure in January
Hereford, OR
- Average pressure in January: 30.22"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in January
Hereford, OR
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are September and October (5.4mph).
Average humidity in January
Hereford, OR
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (40%).
Average rainfall in January
Hereford, OR
- Average rainfall in January: 1.61"
The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in January
Hereford, OR
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in January
Hereford, OR
- Average snowfall in January: 9.76"
The month with the highest snowfall is December (10.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Hereford, OR
- Average snowfall days in January: 14.3 days
The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Hereford, OR
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in January
Hereford, OR
- Average sunshine days in January: 14.8 days
The month with the most sunshine days is July (22.7 days).
The months with the least sunshine days are February and March (11.3 days).
Average UV index in January
Hereford, OR
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Hereford, OR
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in January
Hereford, OR
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Hereford, Oregon, USA
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