Climate and monthly weather forecastSebastian, FL
Climate and monthly weather forecast
Weather in January
January, like December, is an agreeable winter month in Sebastian, Florida, with an average temperature varying between 69.4°F (20.8°C) and 59.7°F (15.4°C). January, with its average high-temperature of 69.4°F (20.8°C) and an average low-temperature of 59.7°F (15.4°C), holds the record as the coldest month. Weather in January »Weather in February
February, the last month of the winter in Sebastian, is another pleasant month, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 72°F (22.2°C). The transition into February shows a subtle variation to a still agreeable 72°F (22.2°C) from January's 69.4°F (20.8°C) in the average high-temperature. Weather in February »Weather in March
March, the first month of the spring in Sebastian, is a warm month, with an average temperature varying between 73.8°F (23.2°C) and 64°F (17.8°C). With the advent of March, Sebastian's high-temperatures adjust to a warm 73.8°F (23.2°C), closely aligning with the preceding month. Weather in March »Weather in April
April, the same as March, is a moderately hot spring month in Sebastian, Florida, with an average temperature fluctuating between 78.1°F (25.6°C) and 69.6°F (20.9°C). The shift into April reveals an average high-temperature of a still warm 78.1°F (25.6°C), closely mirroring March's climate. Weather in April »Weather in May
The last month of the spring, May, is another warm month in Sebastian, Florida, with an average temperature varying between 73°F (22.8°C) and 81.3°F (27.4°C). The shift into May records an average high-temperature of a still warm 81.3°F (27.4°C), subtly varied from April's 78.1°F (25.6°C). Weather in May »Weather in June
June, the first month of the summer in Sebastian, is also a moderately hot month, with an average temperature fluctuating between 84.9°F (29.4°C) and 77.2°F (25.1°C). With the onset of June, the average high-temperature registers at a still warm 84.9°F (29.4°C), subtly different from May's 81.3°F (27.4°C). Weather in June »Weather in July
July in Sebastian, Florida, is a hot summer month, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 78.4°F (25.8°C). The shift into July finds Sebastian, Florida, at an average high-temperature of a hot 86.5°F (30.3°C), closely comparable to June's conditions. Weather in July »Weather in August
The last month of the summer, August, is another hot month in Sebastian, Florida, with an average temperature ranging between max 87.1°F (30.6°C) and min 79°F (26.1°C). In Sebastian, the peak average temperatures are observed in August, with a high of 87.1°F (30.6°C) and a low of 79°F (26.1°C). During August, the heat index is appraised at a very hot 102.2°F (39°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Sebastian, Florida, with temperature in the range of an average high of 85.1°F (29.5°C) and an average low of 77.7°F (25.4°C). Sebastian, Florida, experiences a transition to a moderately hot 85.1°F (29.5°C) in average high-temperatures with the arrival of September, not greatly differing from August's 87.1°F (30.6°C). Weather in September »Weather in October
October, like September, in Sebastian, Florida, is another warm autumn month, with temperature in the range of an average low of 74.3°F (23.5°C) and an average high of 81.3°F (27.4°C). In October, Sebastian's weather conditions record an average high-temperature of a still warm 81.3°F (27.4°C), demonstrating little divergence from the preceding month. Weather in October »Weather in November
November, the last month of the autumn in Sebastian, is another warm month, with an average temperature fluctuating between 68.9°F (20.5°C) and 75.9°F (24.4°C). The start of November signals a gentle decrease in the average high-temperature, transitioning from 81.3°F (27.4°C) in October to a still moderately hot 75.9°F (24.4°C). Weather in November »Weather in December
December, the first month of the winter in Sebastian, is still a pleasant month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 64°F (17.8°C). An average high-temperature of a pleasant 73°F (22.8°C) marks December, exhibiting a close resemblance to the conditions in November. 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
Sebastian, Florida, experiences its lowest temperatures in January, with an average peak of 69.4°F (20.8°C) and a low of 59.7°F (15.4°C).
Throughout the year, in Sebastian, there are 205.2 rainfall days, and 38.31" (973mm) of precipitation is accumulated.
The month with the least sunshine in Sebastian is January, with an average of 5.9h of sunshine.
January, February and December, with an average maximum UV index of 5, are months with the lowest UV index in Sebastian, Florida.
The month with the least rainfall in Sebastian is February, when the rain falls for 10.4 days and typically collects 1.06" (27mm) of precipitation.
March is the least humid month in Sebastian, with an average relative humidity of 72%.
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 in Sebastian, Florida, are May through September, with an average maximum UV index of 7.
The months with the highest humidity are June through August, with an average relative humidity of 79%.
The month with the longest days in Sebastian is June, with an average of 13h and 54min of daylight.
With an average of 10.9h of sunshine, July has the most sunshine of the year in Sebastian.
August, recognised by an average high temperature of 87.1°F (30.6°C) and a low of 79°F (26.1°C), is Sebastian's warmest month.
The month with the most rainfall in Sebastian is August, when the rain falls for 25 days and typically aggregates up to 6.89" (175mm) of precipitation.
With an average of 10h and 24min of daylight, December has the shortest days of the year.
Average temperature
Sebastian, FL
The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is January (69.4°F).
The month with the highest average low temperature is August (79°F).
The coldest month (with the lowest average low temperature) is January (59.7°F).
Average pressure
Sebastian, FL
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.1"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:
30.01"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
30"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed
Sebastian, FL
- Average wind speed in January:
10.5mph - Average wind speed in February:
9.9mph - Average wind speed in March:
10.2mph - Average wind speed in April:
10mph - Average wind speed in May:
9.3mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
7.2mph - Average wind speed in August:
7.4mph - Average wind speed in September:
8.3mph - Average wind speed in October:
10.1mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is November (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity
Sebastian, FL
The months with the highest relative humidity are June, July and August (79%).
The month with the lowest relative humidity is March (72%).
Average rainfall
Sebastian, FL
- Average rainfall in January:
1.38" - Average rainfall in February:
1.06" - Average rainfall in March:
1.26" - Average rainfall in April:
2.13" - Average rainfall in May:
4.72" - Average rainfall in June:
4.53"
- Average rainfall in July:
5.12" - Average rainfall in August:
6.89" - Average rainfall in September:
4.53" - Average rainfall in October:
3.39" - Average rainfall in November:
1.69" - Average rainfall in December:
1.61"
The wettest month (with the highest rainfall) is August (6.89").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days
Sebastian, FL
- Average rainfall days in January:
11.3 days - Average rainfall days in February:
10.4 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
20.3 days
- Average rainfall days in July:
24.2 days - Average rainfall days in August:
25 days - Average rainfall days in September:
23.5 days - Average rainfall days in October:
17.8 days - Average rainfall days in November:
15.1 days - Average rainfall days in December:
13.3 days
The month with the highest number of rainy days is August (25 days).
The month with the least rainy days is February (10.4 days).
Average daylight / Average sunshine
Sebastian, FL
- Average daylight in January:
10h and 36min - Average daylight in February:
11h and 12min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 48min - Average daylight in May:
13h and 30min - Average daylight in June:
13h and 54min
- Average daylight in July:
13h and 42min - Average daylight in August:
13h and 6min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 30min - Average daylight in November:
10h and 48min - Average daylight in December:
10h and 24min
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 January:
5h and 54min - Average sunshine in February:
8h and 6min - Average sunshine in March:
8h and 24min - Average sunshine in April:
9h and 48min - Average sunshine in May:
10h and 36min - Average sunshine in June:
10h and 42min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 48min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 54min - Average sunshine in November:
6h and 6min - Average sunshine in December:
6h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days
Sebastian, FL
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
15.9 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
6.4 days
- Average sunshine days in July:
4.3 days - Average sunshine days in August:
3.9 days - Average sunshine days in September:
4.4 days - Average sunshine days in October:
10.3 days - Average sunshine days in November:
9.1 days - Average sunshine days in December:
12.9 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is August (3.9 days).
Average UV index
Sebastian, FL
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover
Sebastian, FL
The month with the most cloud cover is November (Cloud cover 36).
The months with the least cloud cover are May, July and August (Cloud cover 27).
Average visibility
Sebastian, 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).
