Climate and monthly weather forecastBig Coppitt Key, FL
Climate and monthly weather forecast
Weather in January
January, like December, is another pleasant winter month in Big Coppitt Key, Florida, with temperature in the range of an average low of 68.5°F (20.3°C) and an average high of 72.7°F (22.6°C). Temperature records mark January as the coldest month, with highs averaging 72.7°F (22.6°C) and lows at 68.5°F (20.3°C). Weather in January »Weather in February
February, the last month of the winter in Big Coppitt Key, is also an agreeable month, with temperature in the range of an average low of 70°F (21.1°C) and an average high of 73.2°F (22.9°C). During February, Big Coppitt Key observes a subtle ascent to a still pleasant 73.2°F (22.9°C) from January's 72.7°F (22.6°C) in the average high-temperature. Weather in February »Weather in March
The first month of the spring, March, is a warm month in Big Coppitt Key, Florida, with an average temperature varying between 70.5°F (21.4°C) and 73.9°F (23.3°C). Transitioning into March, Big Coppitt Key records an average high-temperature of a warm 73.9°F (23.3°C), almost identical to February's 73.2°F (22.9°C). Weather in March »Weather in April
April, the same as March, is another warm spring month in Big Coppitt Key, Florida, with temperature in the range of an average low of 75.2°F (24°C) and an average high of 77.4°F (25.2°C). With the onset of April, the average high-temperature stands at a still warm 77.4°F (25.2°C), closely aligned with March's 73.9°F (23.3°C). Weather in April »Weather in May
May, the last month of the spring in Big Coppitt Key, is also a moderately hot month, with an average temperature fluctuating between 80.2°F (26.8°C) and 78.3°F (25.7°C). Big Coppitt Key, Florida, marks the start of May with an average high-temperature of a still warm 80.2°F (26.8°C), hinting at a slight fluctuation from April's 77.4°F (25.2°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Big Coppitt Key, Florida, with an average temperature fluctuating between 81.5°F (27.5°C) and 83.3°F (28.5°C). As June unfolds, the average high-temperature reaches a still warm 83.3°F (28.5°C), hinting at a slight fluctuation from the previous month. Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Big Coppitt Key, Florida, with an average temperature ranging between max 84.6°F (29.2°C) and min 82.9°F (28.3°C). The ushering in of July brings an average high-temperature of a still moderately hot 84.6°F (29.2°C), closely mirroring the 83.3°F (28.5°C) of June. Weather in July »Weather in August
The last month of the summer, August, is another warm month in Big Coppitt Key, Florida, with an average temperature ranging between max 85.3°F (29.6°C) and min 83.1°F (28.4°C). The average temperatures reach their apex in August, averaging 85.3°F (29.6°C) at the high end and 83.1°F (28.4°C) at the low end. The heat index value for August is computed to be a very hot 95°F (35°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Big Coppitt Key, Florida, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 82.2°F (27.9°C). The advent of September brings an average high-temperature of a still moderately hot 84.4°F (29.1°C), exhibiting minor difference from the previous month. Weather in September »Weather in October
October, like September, in Big Coppitt Key, Florida, is a moderately hot autumn month, with an average temperature ranging between min 79.7°F (26.5°C) and max 82°F (27.8°C). At the start of October, Big Coppitt Key's average high-temperature reaches a still moderately hot 82°F (27.8°C), subtly different from the preceding month. Weather in October »Weather in November
November, the last month of the autumn in Big Coppitt Key, is also a moderately hot month, with temperature in the range of an average low of 74.8°F (23.8°C) and an average high of 77.9°F (25.5°C). Big Coppitt Key observes an average high-temperature of a still warm 77.9°F (25.5°C) in November, barely different from 82°F (27.8°C) in October. Weather in November »Weather in December
December, the first month of the winter in Big Coppitt Key, is still a warm month, with an average temperature ranging between min 72.3°F (22.4°C) and max 75.2°F (24°C). The commencement of December notes an average high-temperature of a still warm 75.2°F (24°C), exhibiting little difference from the previous month. Weather in December »Updated: Feb 10, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Big Coppitt Key, January is the month with the lowest recorded average temperatures, measuring a high of 72.7°F (22.6°C) and a low of 68.5°F (20.3°C).
Throughout the year, in Big Coppitt Key, Florida, there are 171.1 rainfall days, and 21.54" (547mm) of precipitation is accumulated.
January and February, with an average ocean temperature of 71.2°F (21.8°C), are months with the coldest seawater in Big Coppitt Key.
With an average maximum UV index of 5, January is the month with the lowest UV index.
The most humid month in Big Coppitt Key is February, with an average relative humidity of 78%.
The month with the least rainfall is March, when the rain falls for 9.4 days and typically collects 0.43" (11mm) of precipitation.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
April through October, with an average maximum UV index of 7, are months with the highest UV index.
The month with the longest days in Big Coppitt Key, Florida, is June, with an average of 13h and 36min of daylight.
The months with the lowest humidity in Big Coppitt Key are July through September, with an average relative humidity of 74%.
With an average of 11.1h of sunshine, July has the most sunshine of the year.
August, with average temperatures reaching a high of 85.3°F (29.6°C) and a low of 83.1°F (28.4°C), is the warmest month.
With an average ocean temperature of 86.9°F (30.5°C), August is the month with the warmest seawater in Big Coppitt Key, Florida.
The month with the most rainfall in Big Coppitt Key is September, when the rain falls for 20.8 days and typically aggregates up to 3.54" (90mm) of precipitation.
The month with the shortest days is December, with an average of 10h and 36min of daylight.
December has the least sunshine of the year in Big Coppitt Key, Florida, with an average of 6.5h of sunshine.
Average temperature
Big Coppitt Key, FL
The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is January (72.7°F).
The month with the highest average low temperature is August (83.1°F).
The coldest month (with the lowest average low temperature) is January (68.5°F).
Average pressure
Big Coppitt Key, FL
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
29.93"Hg - Average pressure in November:
30.02"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are September and October (29.93"Hg).
Average wind speed
Big Coppitt Key, FL
- Average wind speed in January:
14.3mph - Average wind speed in February:
13.4mph - Average wind speed in March:
13.9mph - Average wind speed in April:
13mph - Average wind speed in May:
12.2mph - Average wind speed in June:
10.1mph
- Average wind speed in July:
9.4mph - Average wind speed in August:
10mph - Average wind speed in September:
10.1mph - Average wind speed in October:
13.7mph - Average wind speed in November:
14.4mph - Average wind speed in December:
13.8mph
The windiest month (with the highest average wind speed) is November (14.4mph).
The calmest month (with the lowest average wind speed) is July (9.4mph).
Average humidity
Big Coppitt Key, FL
The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are July, August and September (74%).
Average rainfall
Big Coppitt Key, FL
- Average rainfall in January:
0.94" - Average rainfall in February:
0.71" - Average rainfall in March:
0.43" - Average rainfall in April:
1.14" - Average rainfall in May:
2.28" - Average rainfall in June:
2.52"
- Average rainfall in July:
2.52" - Average rainfall in August:
2.6" - Average rainfall in September:
3.54" - Average rainfall in October:
2.95" - Average rainfall in November:
1.02" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is September (3.54").
The driest month (with the least rainfall) is March (0.43").
Average rainfall days
Big Coppitt Key, FL
- Average rainfall days in January:
10.2 days - Average rainfall days in February:
9.7 days - Average rainfall days in March:
9.4 days - Average rainfall days in April:
12 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
18.6 days - Average rainfall days in September:
20.8 days - Average rainfall days in October:
18 days - Average rainfall days in November:
11.8 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is September (20.8 days).
The month with the least rainy days is March (9.4 days).
Average sea temperature
Big Coppitt Key, FL
The best month for swimming (with the highest average sea temperature) is August (86.9°F).
The coldest months (with the lowest average sea temperature) are January and February (71.2°F).
Average daylight / Average sunshine
Big Coppitt Key, FL
- Average daylight in January:
10h and 48min - Average daylight in February:
11h and 18min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 42min - Average daylight in May:
13h and 18min - Average daylight in June:
13h and 36min
- Average daylight in July:
13h and 30min - Average daylight in August:
13h and 0min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 36min - Average daylight in November:
11h and 0min - Average daylight in December:
10h and 36min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in January:
7h and 12min - Average sunshine in February:
8h and 48min - Average sunshine in March:
8h and 54min - Average sunshine in April:
9h and 42min - Average sunshine in May:
11h and 0min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
11h and 6min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 0min - Average sunshine in October:
7h and 24min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days
Big Coppitt Key, FL
- Average sunshine days in January:
17 days - Average sunshine days in February:
15.9 days - Average sunshine days in March:
19.6 days - Average sunshine days in April:
15.7 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
9.7 days
- Average sunshine days in July:
9.9 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
6.2 days - Average sunshine days in October:
10.8 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is March (19.6 days).
The month with the least sunshine days is September (6.2 days).
Average UV index
Big Coppitt Key, FL
The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover
Big Coppitt Key, FL
The month with the most cloud cover is January (Cloud cover 34).
The month with the least cloud cover is April (Cloud cover 23).
Average visibility
Big Coppitt Key, FL
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).
