Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The shift into April brings an increase in the average high-temperature, moving from a refreshing 59°F (15°C) in March to a pleasant 69.4°F (20.8°C). In April, the average low-temperature is a fresh 50°F (10°C).Humidity
In Saint Johns, the average relative humidity in April is 76%.Rainfall
In Saint Johns, during April, the rain falls for 10.2 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 123.1 rainfall days, and 12.76" (324mm) of precipitation is accumulated.Snowfall
In Saint Johns, snow does not fall in April through October.Daylight
In April, the average length of the day is 13h and 8min.On the first day of April, sunrise is at 6:30 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:31 pm CDT.
Sunshine
The average sunshine in April is 9h.UV index
The average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In April, a daily maximum UV index of 5 leads to the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
Does it snow in Saint Johns in April?
How many hours of daylight does Saint Johns have in April?
When is the sunrise / sunset in April?
How long on average sun shines in April in Saint Johns?
What is the UV index intensity in April?
Average temperature in April
Saint Johns, TN
- Average high temperature in April: 69.4°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in April: 50°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 (30.7°F).
Average pressure in April
Saint Johns, TN
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in April
Saint Johns, TN
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in April
Saint Johns, TN
- Average humidity in April: 76%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Saint Johns, TN
- Average rainfall in April: 1.1"
The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in April
Saint Johns, TN
- Average rainfall days in April: 10.2 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in April
Saint Johns, TN
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Saint Johns, TN
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (3.8 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
Saint Johns, TN
- Average daylight in April: 13h 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 48min).
- Average sunshine in April: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Saint Johns, TN
- Average sunshine days in April: 16.7 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in April
Saint Johns, 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
Saint Johns, TN
- Average cloud cover in April: 38
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in April
Saint Johns, TN
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Saint Johns, Tennessee, USA
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