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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a frosty winter month in Forest Grove, Tennessee, with an average temperature varying between 43°F (6.1°C) and 29.3°F (-1.5°C). Forest Grove's January weather, marked by an average high temperature of 43°F (6.1°C) and an average low temperature of 29.3°F (-1.5°C), is the coldest in the year. Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Forest Grove, Tennessee, with an average temperature varying between 33.3°F (0.7°C) and 48.4°F (9.1°C). February sees a marginal temperature increase, moving from a chilly 43°F (6.1°C) in January to a still frosty 48.4°F (9.1°C). Weather in February »
Weather in March
March, the first month of the spring in Forest Grove, is a refreshing month, with an average temperature ranging between min 40.3°F (4.6°C) and max 57.7°F (14.3°C). As Forest Grove, Tennessee, welcomes March, the average high-temperature sees a rise, transitioning from a chilly 48.4°F (9.1°C) in February to a mild 57.7°F (14.3°C). Weather in March »
Weather in April
April is a pleasant spring month in Forest Grove, Tennessee, with an average temperature fluctuating between 49.6°F (9.8°C) and 68.4°F (20.2°C). In April, the average high-temperature increases from a moderate 57.7°F (14.3°C) in March to a pleasant 68.4°F (20.2°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Forest Grove, Tennessee, with an average temperature ranging between max 76.6°F (24.8°C) and min 58.5°F (14.7°C). May brings a slight increase in the average high-temperature, progressing from a pleasant 68.4°F (20.2°C) in April to a moderately hot 76.6°F (24.8°C). Weather in May »
Weather in June
June, the first month of the summer in Forest Grove, is also a moderately hot month, with an average temperature fluctuating between 84.7°F (29.3°C) and 65.5°F (18.6°C). As May transitions into June, Forest Grove notices a gentle rise in the average high-temperature, transitioning from a moderately hot 76.6°F (24.8°C) to a still warm 84.7°F (29.3°C). Weather in June »
Weather in July
July in Forest Grove, Tennessee, is a tropical summer month, with an average temperature fluctuating between 87.1°F (30.6°C) and 68.5°F (20.3°C). July, with an average high of 87.1°F (30.6°C) and a low of 68.5°F (20.3°C), signifies the warmest month of the year. July's mean heat index is estimated at a sweltering 102.2°F (39°C). Weather in July »
Weather in August
The last month of the summer, August, is another tropical month in Forest Grove, Tennessee, with an average temperature fluctuating between 67.1°F (19.5°C) and 86°F (30°C). The onset of August manifests an average high-temperature of a still tropical 86°F (30°C), demonstrating a minor variation from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Forest Grove, is still a warm month, with an average temperature varying between 80.4°F (26.9°C) and 61.7°F (16.5°C). September is marked by a subtle drop in average high-temperatures, transitioning from a tropical 86°F (30°C) in August to a warm 80.4°F (26.9°C). Weather in September »
Weather in October
October, the same as September, in Forest Grove, Tennessee, is an agreeable autumn month, with temperature in the range of an average low of 50.2°F (10.1°C) and an average high of 68.9°F (20.5°C). During the transition into October, Forest Grove observes a decrease in the average high-temperature, falling from a moderately hot 80.4°F (26.9°C) in September to a pleasant 68.9°F (20.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another mild month in Forest Grove, Tennessee, with temperature in the range of an average low of 39.6°F (4.2°C) and an average high of 56.1°F (13.4°C). The onset of November results in a decrease in the average high-temperature, receding from an agreeable 68.9°F (20.5°C) in October to a moderate 56.1°F (13.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Forest Grove, Tennessee, with an average temperature ranging between min 34.9°F (1.6°C) and max 47.5°F (8.6°C). With the commencement of December, Forest Grove records a moderate temperature decline, with the average high easing from November's refreshing 56.1°F (13.4°C) to a chilly 47.5°F (8.6°C). Weather in December »
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
The coldest temperatures occur during January, when averages reach a peak of 43°F (6.1°C) and a low of 29.3°F (-1.5°C).
How many days does it rain?
In Forest Grove, during the entire year, the rain falls for 174.6 days and collects up to 37.68" (957mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
How many days does it snow?
In Forest Grove, Tennessee, during the entire year, snow falls for 14.9 days and aggregates up to 4.06" (103mm) of snow.
What are the months with the lowest UV index?
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
When does it snow the most in Forest Grove?
February is the month with the most snowfall. Snow falls for 4.5 days and accumulates 1.1" (28mm) of snow.
What is the month with the least sunshine?
With an average of 4.4h of sunshine, February has the least sunshine of the year in Forest Grove.
What is the most humid month in Forest Grove?
March, May and December, with an average relative humidity of 79%, are most humid months.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
When it does not snow?
In Forest Grove, snow does not fall in May through October.
What is the month with the highest UV index?
The months with the highest UV index in Forest Grove are May through August, with an average maximum UV index of 6.
When are the longest days?
With an average of 14h and 36min of daylight, June has the longest days of the year.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 10.3h of sunshine.
What is the warmest month?
July tends to be the warmest month, with temperatures averaging a daily high of 87.1°F (30.6°C) and a low of 68.5°F (20.3°C).
What is the wettest month in Forest Grove?
The month with the most rainfall is July, when the rain falls for 19.7 days and typically aggregates up to 4.37" (111mm) of precipitation.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 13.6 days and typically collects 2.24" (57mm) of precipitation.
What is the least humid month?
October is the least humid month, with an average relative humidity of 74%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 42min of daylight.
Average temperature
Forest Grove, TN
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).
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
Forest Grove, TN
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"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
Forest Grove, TN
- Average wind speed in January:
8.4mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8.5mph - Average wind speed in May:
6.6mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5mph - Average wind speed in August:
5mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.5mph - Average wind speed in December:
7.9mph
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
Forest Grove, TN
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
Forest Grove, TN
- Average rainfall in January:
2.4" - Average rainfall in February:
3.78" - Average rainfall in March:
2.91" - Average rainfall in April:
3.27" - Average rainfall in May:
3.43" - Average rainfall in June:
3.7"
- Average rainfall in July:
4.37" - Average rainfall in August:
3.58" - Average rainfall in September:
2.24" - Average rainfall in October:
2.8" - Average rainfall in November:
2.32" - Average rainfall in December:
2.87"
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
Forest Grove, TN
- Average rainfall days in January:
12 days - Average rainfall days in February:
13.1 days - Average rainfall days in March:
15.4 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
19.7 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
13.6 days - Average rainfall days in October:
12 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
12.2 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
Forest Grove, TN
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
Forest Grove, TN
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
4.5 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
2.8 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 / Average sunshine
Forest Grove, TN
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
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 - Average sunshine in February:
4h and 2min - Average sunshine in March:
5h and 4min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 3min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 4min
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
Forest Grove, TN
- Average sunshine days in January:
15.7 days - Average sunshine days in February:
11.9 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
9.5 days - Average sunshine days in August:
11.4 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
15.9 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
Forest Grove, TN
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
Forest Grove, TN
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
Forest Grove, TN
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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