April weather forecastPort Saint John, FL
April
Weather in April
April, like March, in Port Saint John, Florida, is another warm spring month, with an average temperature varying between 67.1°F (19.5°C) and 79.3°F (26.3°C).Temperature
The arrival of April sees a recorded average high-temperature of a still warm 79.3°F (26.3°C), showing little divergence from the previous month's conditions. Throughout the month of April, Port Saint John reports a steady low-temperature average of 67.1°F (19.5°C).Humidity
In April, the average relative humidity is 74%.Rainfall
In April, the rain falls for 13.8 days. Throughout April, 2.01" (51mm) of precipitation is accumulated. In Port Saint John, during the entire year, the rain falls for 202 days and collects up to 40.2" (1021mm) of precipitation.Daylight
The average length of the day in April is 12h and 52min.On the first day of the month, sunrise is at 7:12 am and sunset at 7:41 pm. On the last day of April, sunrise is at 6:42 am and sunset at 7:57 pm EDT.
Sunshine
The average sunshine in April is 9.8h.UV index
The average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: During April, 6 as the daily maximum UV index converts into the following advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Port Saint John, FL
- Average high temperature in April: 79.3°F
The warmest month (with the highest average high temperature) is August (88.7°F).
The month with the lowest average high temperature is January (68.4°F).
- Average low temperature in April: 67.1°F
The month with the highest average low temperature is August (77.9°F).
The coldest month (with the lowest average low temperature) is January (56.1°F).
Average pressure in April
Port Saint John, FL
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in April
Port Saint John, FL
- Average wind speed in April: 8.4mph
The windiest months (with the highest average wind speed) are January and November (8.8mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in April
Port Saint John, FL
- Average humidity in April: 74%
The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is March (71%).
Average rainfall in April
Port Saint John, FL
- Average rainfall in April: 2.01"
The wettest month (with the highest rainfall) is August (6.81").
The driest month (with the least rainfall) is March (1.42").
Average rainfall days in April
Port Saint John, FL
- Average rainfall days in April: 13.8 days
The months with the highest number of rainy days are July and August (25.8 days).
The month with the least rainy days is February (10.8 days).
Average daylight in April /
Average sunshine in April
Port Saint John, FL
- Average daylight in April: 12h and 54min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in April: 9h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January, November and December (Average sunshine: 6h and 6min).
Average sunshine days in April
Port Saint John, FL
- Average sunshine days in April: 12.9 days
The months with the most sunshine days are January and March (17.2 days).
The month with the least sunshine days is August (2.3 days).
Average UV index in April
Port Saint John, FL
- Average UV index in April: 6
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in April
Port Saint John, FL
- Average cloud cover in April: 27
The months with the most cloud cover are January, November and December (Cloud cover 35).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in April
Port Saint John, FL
- 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).
