Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Forest Grove's transition into May brings a slight rise in the average high-temperature, moving from a pleasant 68.4°F (20.2°C) in April to a moderately hot 76.6°F (24.8°C). Forest Grove, during the nights of May, experiences an average temperature drop to a refreshing 58.5°F (14.7°C).Humidity
March, May and December, with an average relative humidity of 79%, are the most humid months in Forest Grove, Tennessee.Rainfall
In Forest Grove, Tennessee, during May, the rain falls for 17.3 days and regularly aggregates up to 3.43" (87mm) of precipitation. Throughout the year, there are 174.6 rainfall days, and 37.68" (957mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May is 14h and 7min.On the first day of May, sunrise is at 5:53 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 7:59 pm CDT.
Sunshine
In May, the average sunshine is 9.2h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 6 in May translates into these instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the temperature in May in Forest Grove?
What is the most humid month in Forest Grove?
What is the average humidity in May in Forest Grove?
How many days does it rain in May in Forest Grove?
When it does not snow in Forest Grove?
Does it snow in Forest Grove in May?
How many hours of daylight does Forest Grove have in May?
When are sunrise and sunset in May in Forest Grove?
How many hours of sunshine does Forest Grove have in May?
What is the month with the highest UV index in Forest Grove?
What is the UV index reading in May in Forest Grove?
Average temperature in May
Forest Grove, TN
- Average high temperature in May: 76.6°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 May: 58.5°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 May
Forest Grove, TN
- Average pressure in May: 30"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 May
Forest Grove, TN
- Average wind speed in May: 6.6mph
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 May
Forest Grove, TN
- Average humidity in May: 79%
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 May
Forest Grove, TN
- Average rainfall in May: 3.43"
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 May
Forest Grove, TN
- Average rainfall days in May: 17.3 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 May
Forest Grove, TN
- Average snowfall in May: 0"
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 May
Forest Grove, TN
- Average snowfall days in May: 0 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 May /
Average sunshine in May
Forest Grove, TN
- Average daylight in May: 14h and 1min
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 May: 9h and 1min
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 May
Forest Grove, TN
- Average sunshine days in May: 12.3 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 May
Forest Grove, TN
- Average UV index in May: 6
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 May
Forest Grove, TN
- Average cloud cover in May: 39
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 May
Forest Grove, TN
- Average visibility in May: 5mi
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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