Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
As Port Saint John welcomes October, the average high-temperature stabilizes at a moderately hot 81.7°F (27.6°C), showing little deviation from September's 86.4°F (30.2°C). Throughout the month of October, Port Saint John reports a steady low-temperature average of 71.8°F (22.1°C).Heat index
For most parts of October, the heat index is estimated at a hot 86°F (30°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Understand that the heat index values take into account shaded locations and mild winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
In October, the average relative humidity is 75%.Rainfall
In Port Saint John, in October, during 15.7 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. Throughout the year, there are 202 rainfall days, and 40.2" (1021mm) of precipitation is accumulated.Daylight
In October, the average length of the day is 11h and 28min.On the first day of the month, sunrise is at 7:16 am and sunset at 7:08 pm. On the last day of October, sunrise is at 7:34 am and sunset at 6:38 pm EDT.
Sunshine
In Port Saint John, the average sunshine in October is 7.1h.UV index
The average daily maximum UV index in October is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 6 in October transforms into the following instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the average humidity in October?
How much does it rain in October?
How many hours of daylight does Port Saint John have in October?
When are sunrise and sunset in October?
How many hours of sunshine does Port Saint John have in October?
What is the UV index reading in October?
Average temperature in October
Port Saint John, FL
- Average high temperature in October: 81.7°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 October: 71.8°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 October
Port Saint John, FL
- Average pressure in October: 29.98"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 October
Port Saint John, FL
- Average wind speed in October: 8.3mph
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 October
Port Saint John, FL
- Average humidity in October: 75%
The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is March (71%).
Average rainfall in October
Port Saint John, FL
- Average rainfall in October: 3.5"
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 October
Port Saint John, FL
- Average rainfall days in October: 15.7 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 October /
Average sunshine in October
Port Saint John, FL
- Average daylight in October: 11h and 3min
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 October: 7h and 1min
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 October
Port Saint John, FL
- Average sunshine days in October: 12.5 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 October
Port Saint John, FL
- Average UV index in October: 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 October
Port Saint John, FL
- Average cloud cover in October: 30
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 October
Port Saint John, FL
- Average visibility in October: 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).
Port Saint John, Florida, USA
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