April weather forecastPortland, TN
April
Weather in April
April in Portland, Tennessee, is an agreeable spring month, with an average temperature fluctuating between 68.2°F (20.1°C) and 49.3°F (9.6°C).Temperature
April sees a rise in the average high-temperature, climbing from a mild 57.4°F (14.1°C) in March to a pleasant 68.2°F (20.1°C). Portland reports an average low-temperature of 49.3°F (9.6°C) during the nights of April.Humidity
In April, the average relative humidity in Portland, Tennessee, is 77%.Rainfall
In Portland, Tennessee, during April, the rain falls for 14.2 days and regularly aggregates up to 3.9" (99mm) of precipitation. Throughout the year, in Portland, there are 177.4 rainfall days, and 44.61" (1133mm) of precipitation is accumulated.Snowfall
Months with snowfall in Portland are January through April, November and December. April is the last month it regularly snows in Portland. During 0.3 snowfall days, in April, Portland aggregates 0.16" (4mm) of snow. In Portland, during the entire year, snow falls for 17.7 days and aggregates up to 6.22" (158mm) of snow.Daylight
In April, the average length of the day in Portland is 13h and 9min.On the first day of April in Portland, sunrise is at 6:30 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:33 pm CDT.
Sunshine
The average sunshine in April is 8.4h.UV index
In Portland, the average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 5 in April transforms into this advice:
Take precautions - Protection against sun damage is advised. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Portland, TN
- Average high temperature in April: 68.2°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (42.8°F).
- Average low temperature in April: 49.3°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in April
Portland, TN
- Average pressure in April: 29.98"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 April
Portland, TN
- Average wind speed in April: 8.2mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in April
Portland, TN
- Average humidity in April: 77%
The months with the highest relative humidity are March, May and December (79%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in April
Portland, TN
- Average rainfall in April: 3.9"
The wettest month (with the highest rainfall) is July (5.39").
The driest month (with the least rainfall) is November (2.56").
Average rainfall days in April
Portland, TN
- Average rainfall days in April: 14.2 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 in April
Portland, TN
- Average snowfall in April: 0.16"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Portland, TN
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Portland, TN
- Average daylight in April: 13h and 12min
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 April: 8h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in April
Portland, TN
- Average sunshine days in April: 13.6 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in April
Portland, TN
- Average UV index in April: 5
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 April
Portland, TN
- Average cloud cover in April: 42
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in April
Portland, TN
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).
