Climate and monthly weather forecastMyrtle Island, FL
Climate and monthly weather forecast
Weather in January
January, the same as December, is another refreshing winter month in Myrtle Island, Florida, with an average temperature ranging between min 48.7°F (9.3°C) and max 66.4°F (19.1°C). The month of January, characterized by an average high of 66.4°F (19.1°C) and a low of 48.7°F (9.3°C), is recognized as the coldest. Weather in January »Weather in February
The last month of the winter, February, is a pleasant month in Myrtle Island, Florida, with an average temperature varying between 52.3°F (11.3°C) and 70.3°F (21.3°C). February's advent denotes a minor fluctuation in the average high-temperature to a pleasant 70.3°F (21.3°C) from January's 66.4°F (19.1°C). Weather in February »Weather in March
The first month of the spring, March, is a moderately hot month in Myrtle Island, Florida, with an average temperature ranging between max 76.1°F (24.5°C) and min 55.6°F (13.1°C). March's arrival coincides with a marginal rise in the average high-temperature, moving from February's pleasant 70.3°F (21.3°C) to a warm 76.1°F (24.5°C). Weather in March »Weather in April
April, like March, in Myrtle Island, Florida, is another warm spring month, with an average temperature varying between 82.2°F (27.9°C) and 62.1°F (16.7°C). April marks a minor ascent in the average high-temperature, adjusting from March's 76.1°F (24.5°C) to a still warm 82.2°F (27.9°C). Weather in April »Weather in May
May, the last month of the spring in Myrtle Island, is a hot month, with an average temperature varying between 67.3°F (19.6°C) and 87.1°F (30.6°C). In May, Myrtle Island's weather conditions record an average high-temperature of a hot 87.1°F (30.6°C), demonstrating little divergence from the preceding month. Weather in May »Weather in June
June, the first month of the summer in Myrtle Island, is still a tropical month, with an average temperature ranging between max 90.7°F (32.6°C) and min 72.7°F (22.6°C). Myrtle Island's average high-temperature in June is a still hot 90.7°F (32.6°C), indicating a subtle variation from May. Weather in June »Weather in July
July, the same as June, in Myrtle Island, Florida, is another hot summer month, with an average temperature fluctuating between 74.7°F (23.7°C) and 91.6°F (33.1°C). July's average high-temperature is a still tropical 91.6°F (33.1°C), maintaining a close comparison with June's 90.7°F (32.6°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Myrtle Island, Florida, with an average temperature varying between 92.3°F (33.5°C) and 75.2°F (24°C). Myrtle Island's temperatures peak on average in August, reaching 92.3°F (33.5°C) at their highest and 75.2°F (24°C) at their lowest. The average heat index in August is estimated at a life-threatening hot 120.2°F (49°C). Weather in August »Weather in September
September, the first month of the autumn in Myrtle Island, is still a hot month, with an average temperature ranging between max 88.7°F (31.5°C) and min 73.4°F (23°C). September's advent denotes a minor fluctuation in the average high-temperature to a still hot 88.7°F (31.5°C) from August's 92.3°F (33.5°C). Weather in September »Weather in October
October, like September, in Myrtle Island, Florida, is a moderately hot autumn month, with temperature in the range of an average low of 66°F (18.9°C) and an average high of 82.9°F (28.3°C). Myrtle Island in October undergoes a slight reduction in the average high-temperature, shifting from September's hot 88.7°F (31.5°C) to a warm 82.9°F (28.3°C). Weather in October »Weather in November
The last month of the autumn, November, is also a moderately hot month in Myrtle Island, Florida, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 74.8°F (23.8°C). The arrival of November is marked by a minor reduction in average high-temperature, sliding from 82.9°F (28.3°C) in October to a still moderately hot 74.8°F (23.8°C). Weather in November »Weather in December
The first month of the winter, December, is still a pleasant month in Myrtle Island, Florida, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 54°F (12.2°C). With the onset of December, Myrtle Island's average high-temperature clocks in at a pleasant 70.7°F (21.5°C), showing a minor fluctuation from the previous month. Weather in December »Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Myrtle Island notes the coldest temperatures in January, with a average high of 66.4°F (19.1°C) and a low of 48.7°F (9.3°C).
January is the month with the least rainfall. Rain falls for 8.5 days and accumulates 0.71" (18mm) of precipitation.
In Myrtle Island, during the entire year, the rain falls for 151.1 days and collects up to 17.99" (457mm) of precipitation.
With an average maximum UV index of 4, January is the month with the lowest UV index.
The least humid month is March, with an average relative humidity of 71%.
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.
The months with the highest UV index are May through August, with an average maximum UV index of 7.
June has the longest days of the year, with an average of 14h and 0min of daylight.
The months with the highest humidity are July through September, with an average relative humidity of 77%.
July is the month with the most rainfall. Rain falls for 19.4 days and accumulates 2.68" (68mm) of precipitation.
The month with the most sunshine is July, with an average of 10.5h of sunshine.
Myrtle Island's August weather, marked by an average high temperature of 92.3°F (33.5°C) and an average low temperature of 75.2°F (24°C), is the warmest in the year.
The month with the shortest days is December, with an average of 10h and 18min of daylight.
With an average of 5.7h of sunshine, December has the least sunshine of the year.
Average temperature
Myrtle Island, FL
The warmest month (with the highest average high temperature) is August (92.3°F).
The month with the lowest average high temperature is January (66.4°F).
The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).
Average pressure
Myrtle Island, FL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed
Myrtle Island, FL
- Average wind speed in January:
5.3mph - Average wind speed in February:
5.2mph - Average wind speed in March:
5.4mph - Average wind speed in April:
5.5mph - Average wind speed in May:
5mph - Average wind speed in June:
4.4mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is July (4mph).
Average humidity
Myrtle Island, FL
The months with the highest relative humidity are July, August and September (77%).
The month with the lowest relative humidity is March (71%).
Average rainfall
Myrtle Island, FL
- Average rainfall in January:
0.71" - Average rainfall in February:
0.98" - Average rainfall in March:
0.79" - Average rainfall in April:
1.26" - Average rainfall in May:
1.46" - Average rainfall in June:
2.44"
- Average rainfall in July:
2.68" - Average rainfall in August:
2.36" - Average rainfall in September:
1.85" - Average rainfall in October:
1.14" - Average rainfall in November:
0.91" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days
Myrtle Island, FL
- Average rainfall days in January:
8.5 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
11 days - Average rainfall days in May:
10.9 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
19.4 days - Average rainfall days in August:
20.2 days - Average rainfall days in September:
15.7 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
8 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is November (8 days).
Average daylight / Average sunshine
Myrtle Island, FL
- Average daylight in January:
10h and 30min - Average daylight in February:
11h and 12min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 54min - Average daylight in May:
13h and 36min - Average daylight in June:
14h and 0min
- Average daylight in July:
13h and 48min - Average daylight in August:
13h and 12min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 42min - Average daylight in December:
10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in January:
5h and 54min - Average sunshine in February:
7h and 12min - Average sunshine in March:
8h and 6min - Average sunshine in April:
9h and 6min - Average sunshine in May:
10h and 12min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 6min - Average sunshine in October:
6h and 42min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days
Myrtle Island, FL
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
19.4 days - Average sunshine days in April:
17.3 days - Average sunshine days in May:
17.9 days - Average sunshine days in June:
10.5 days
- Average sunshine days in July:
9.9 days - Average sunshine days in August:
8.6 days - Average sunshine days in September:
12 days - Average sunshine days in October:
17.1 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
18.6 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (8.6 days).
Average UV index
Myrtle Island, FL
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover
Myrtle Island, FL
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is May (Cloud cover 32).
Average visibility
Myrtle Island, FL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
