Contents
- Weather in November
- Frequently asked questions
- Average temperature in November
- Average pressure in November
- Average wind speed in November
- Average humidity in November
- Average rainfall in November
- Average rainfall days in November
- Average sea temperature in November
- Average daylight in November
- Average sunshine in November
- Average sunshine days in November
- Average UV index in November
- Average cloud cover in November
- Average visibility in November
Weather in November
Temperature
San Juan's weather, upon November's arrival, documents an average high-temperature of a still moderately hot 83.1°F (28.4°C), nearly identical to the prior month. San Juan records a slight downturn to an average a still moderately hot 77.9°F (25.5°C) during the nights of November.Heat index
During November, the heat index is estimated at a tropical 91.4°F (33°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
In San Juan, the average relative humidity in November is 78%.Rainfall
The month with the most rainfall is November, when the rain falls for 16.1 days and typically aggregates up to 1.57" (40mm) of precipitation.Ocean temperature
In San Juan, the average seawater temperature in November is 83.5°F (28.6°C).Note: Water surface temperatures from 77°F (25°C) to 84.2°F (29°C) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.
Daylight
The average length of the day in November is 11h and 16min.On the first day of November, sunrise is at 6:24 am and sunset at 5:51 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 5:46 pm AST.
Sunshine
In San Juan, the average sunshine in November is 6.7h.UV index
The months with the highest UV index are April through November, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 7 in November leads to these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in November?
What is the average humidity in November?
What is the wettest month?
How many days does it rain in November?
What is the ocean temperature in November?
What is the average length of the day in November in San Juan?
What time are sunrise and sunset in November?
How many hours of sunshine does San Juan have in November?
When is the highest UV index?
How high is the UV index in November?
Average temperature in November
San Juan, PR
- Average high temperature in November: 83.1°F
The warmest month (with the highest average high temperature) is August (85.1°F).
The months with the lowest average high temperature are January and March (79.9°F).
- Average low temperature in November: 77.9°F
The months with the highest average low temperature are August, September and October (79.2°F).
The coldest month (with the lowest average low temperature) is March (73.9°F).
Average pressure in November
San Juan, PR
- Average pressure in November: 29.91"Hg
The months with the highest atmospheric pressure are January and February (30.02"Hg).
The month with the lowest atmospheric pressure is October (29.9"Hg).
Average wind speed in November
San Juan, PR
- Average wind speed in November: 7.9mph
The windiest month (with the highest average wind speed) is July (10.7mph).
The calmest month (with the lowest average wind speed) is October (7.4mph).
Average humidity in November
San Juan, PR
- Average humidity in November: 78%
The months with the highest relative humidity are May, June and July (79%).
The months with the lowest relative humidity are February and March (76%).
Average rainfall in November
San Juan, PR
- Average rainfall in November: 1.57"
The wettest month (with the highest rainfall) is November (1.57").
The driest month (with the least rainfall) is April (0.55").
Average rainfall days in November
San Juan, PR
- Average rainfall days in November: 16.1 days
The month with the highest number of rainy days is November (16.1 days).
The month with the least rainy days is June (10.3 days).
Average sea temperature in November
San Juan, PR
- Average sea temperature in November: 83.5°F
The best month for swimming (with the highest average sea temperature) is September (84.9°F).
The coldest month (with the lowest average sea temperature) is February (78.9°F).
Average daylight in November /
Average sunshine in November
San Juan, PR
- Average daylight in November: 11h and 2min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in November: 6h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in November
San Juan, PR
- Average sunshine days in November: 9.4 days
The month with the most sunshine days is June (13.7 days).
The month with the least sunshine days is November (9.4 days).
Average UV index in November
San Juan, PR
- Average UV index in November: 7
The months with the highest UV index are April, May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March and December (UV index 6).
Average cloud cover in November
San Juan, PR
- Average cloud cover in November: 34
The month with the most cloud cover is December (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 26).
Average visibility in November
San Juan, PR
- Average visibility in November: 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).
San Juan, Puerto Rico, USA
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