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
Forest Grove's coldest weather arrives in January, when temperatures average a high of 43°F (6.1°C) and a low of 29.3°F (-1.5°C).Humidity
In Forest Grove, the average relative humidity in January is 77%.Rainfall
In Forest Grove, Tennessee, during January, the rain falls for 12 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 174.6 rainfall days, and 37.68" (957mm) of precipitation is accumulated.Snowfall
Months with snowfall in Forest Grove are January through April, November and December. In January, it is snowing for 4.8 days. Throughout January, 0.87" (22mm) of snow is accumulated. In Forest Grove, during the entire year, snow falls for 14.9 days and aggregates up to 4.06" (103mm) of snow.Daylight
The average length of the day in January in Forest Grove is 10h and 1min.On the first day of January, sunrise is at 6:58 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 5:12 pm CST.
Sunshine
The average sunshine in January in Forest Grove, Tennessee, is 4.5h.UV index
The months with the lowest UV index in Forest Grove, Tennessee, are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 in January translates into these instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What part of the year is the coldest in Forest Grove?
How cold does it get in Forest Grove in January?
What is the average humidity in January in Forest Grove?
How much does it rain in Forest Grove in January?
How many days does it snow in January in Forest Grove?
How many hours of daylight does Forest Grove have in January?
When is the sunrise / sunset in January in Forest Grove?
How long on average sun shines in January in Forest Grove?
What is the month with the lowest UV index in Forest Grove?
What is the UV index intensity in January in Forest Grove?
Average temperature in January
Forest Grove, TN
- Average high temperature in January: 43°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (43°F).
- Average low temperature in January: 29.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in January
Forest Grove, TN
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Forest Grove, TN
- Average wind speed in January: 8.4mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in January
Forest Grove, TN
- Average humidity in January: 77%
The months with the highest relative humidity are March, May and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Forest Grove, TN
- Average rainfall in January: 2.4"
The wettest month (with the highest rainfall) is July (4.37").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in January
Forest Grove, TN
- Average rainfall days in January: 12 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in January
Forest Grove, TN
- Average snowfall in January: 0.87"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Forest Grove, TN
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Forest Grove, TN
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Forest Grove, TN
- Average sunshine days in January: 15.7 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in January
Forest Grove, TN
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Forest Grove, TN
- Average cloud cover in January: 53
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in January
Forest Grove, TN
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Forest Grove, Tennessee, USA
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