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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another refreshing winter month in O'Brien, Florida, with an average temperature varying between 44.2°F (6.8°C) and 62.2°F (16.8°C). January, with its high-temperature average of 62.2°F (16.8°C) and a low-temperature average of 44.2°F (6.8°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another refreshing month in O'Brien, Florida, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 66.9°F (19.4°C). The unfolding of February shows an average high-temperature of a still comfortable 66.9°F (19.4°C), indicating a slight variance from January's 62.2°F (16.8°C). Weather in February »
Weather in March
March, the first month of the spring in O'Brien, is a pleasant month, with an average temperature varying between 52.9°F (11.6°C) and 73°F (22.8°C). The shift from February to March sees a slight increase in the average high-temperature, transitioning from a comfortable 66.9°F (19.4°C) to an agreeable 73°F (22.8°C). Weather in March »
Weather in April
April is a moderately hot spring month in O'Brien, Florida, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 59.7°F (15.4°C). As March gives way to April, the average high-temperature displays a slight ascent, adjusting from a pleasant 73°F (22.8°C) to a warm 80.2°F (26.8°C). Weather in April »
Weather in May
May, the last month of the spring in O'Brien, is a hot month, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 86.4°F (30.2°C). As May sets, the average high-temperature shows a slight increase, moving up from a warm 80.2°F (26.8°C) in April to a tropical 86.4°F (30.2°C). Weather in May »
Weather in June
The first month of the summer, June, is still a hot month in O'Brien, Florida, with an average temperature varying between 90.3°F (32.4°C) and 72.5°F (22.5°C). The arrival of June is marked by an average high-temperature of a still hot 90.3°F (32.4°C), bearing a close resemblance to May. Weather in June »
Weather in July
July, the same as June, in O'Brien, Florida, is another tropical summer month, with an average temperature ranging between min 74.5°F (23.6°C) and max 91.2°F (32.9°C). The yearly peak temperatures occur in July and August, averaging a high-temperature of 91.2°F (32.9°C). The heat index for July is estimated at a blazing hot 114.8°F (46°C). Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in O'Brien, Florida, with an average temperature varying between 74.8°F (23.8°C) and 91.2°F (32.9°C). July and August represent the warmest period, with an average high-temperature of 91.2°F (32.9°C). The heat index value during August is estimated at a blazing hot 114.8°F (46°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a hot month in O'Brien, Florida, with an average temperature fluctuating between 87.8°F (31°C) and 70.9°F (21.6°C). The arrival of September brings an average high-temperature of a still tropical 87.8°F (31°C), nearly identical to August's 91.2°F (32.9°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in O'Brien, Florida, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 81.1°F (27.3°C). The beginning of October brings a slight decrease in the average high-temperature, transitioning from a tropical 87.8°F (31°C) in September to a moderately hot 81.1°F (27.3°C). Weather in October »
Weather in November
November, the last month of the autumn in O'Brien, is another pleasant month, with temperature in the range of an average low of 52.2°F (11.2°C) and an average high of 71.2°F (21.8°C). November's arrival comes with a decrease in the average high-temperature, moving from a moderately hot 81.1°F (27.3°C) in October to a pleasant 71.2°F (21.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also an enjoyable month in O'Brien, Florida, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 49.1°F (9.5°C). Transitioning into December, O'Brien records an average high-temperature of a refreshing 66°F (18.9°C), almost identical to November's 71.2°F (21.8°C). Weather in December »
Updated: Jul 21, 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
What is the coldest month in O'Brien?
With its average high temperature of 62.2°F (16.8°C) and a low of 44.2°F (6.8°C), January is regarded as the coldest month.
How much does it rain?
Throughout the year, in O'Brien, there are 173.7 rainfall days, and 30.83" (783mm) of precipitation is accumulated.
When it does not snow?
January, March through December are months without snowfall.
How many days does it snow?
In O'Brien, during the entire year, snow falls for 0.1 days.
When is the lowest UV index?
With an average maximum UV index of 3, January is the month with the lowest UV index.
When does it snow?
February is the only month when snow falls.
What is the snowiest month?
The month with the most snowfall days is February, when snow falls for 0.1 days.
When is Daylight Saving Time (DST)?
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.
What is the least humid month?
The least humid month is May, with an average relative humidity of 70%.
When is the highest UV index?
May through August, with an average maximum UV index of 7, are months with the highest UV index.
When are the longest days?
June has the longest days of the year, with an average of 14h and 0min of daylight.
What time of the year is the hottest in O'Brien?
The warmest period falls in July and August, when the average high-temperature reaches 91.2°F (32.9°C).
What month has the most sunshine?
With an average of 10.9h of sunshine, July has the most sunshine of the year.
What are the most humid months?
The months with the highest humidity are August and September, with an average relative humidity of 77%.
What is the wettest month?
The month with the most rainfall is August, when the rain falls for 25.4 days and typically aggregates up to 4.53" (115mm) of precipitation.
What is the driest month?
November is the month with the least rainfall. Rain falls for 7.1 days and accumulates 0.98" (25mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 10h and 18min of daylight.
What is the month with the least sunshine?
The month with the least sunshine in O'Brien is December, with an average of 5.9h of sunshine.
Average temperature
O'Brien, FL
The warmest months (with the highest average high temperature) are July and August (91.2°F).
The month with the lowest average high temperature is January (62.2°F).
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure
O'Brien, FL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed
O'Brien, FL
- Average wind speed in January:
6mph - Average wind speed in February:
6.1mph - Average wind speed in March:
6.4mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6mph - Average wind speed in November:
5.9mph - Average wind speed in December:
6.2mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity
O'Brien, FL
The months with the highest relative humidity are August and September (77%).
The month with the lowest relative humidity is May (70%).
Average rainfall
O'Brien, FL
- Average rainfall in January:
1.57" - Average rainfall in February:
1.57" - Average rainfall in March:
1.89" - Average rainfall in April:
2.4" - Average rainfall in May:
2.4" - Average rainfall in June:
4.49"
The wettest month (with the highest rainfall) is August (4.53").
The driest month (with the least rainfall) is November (0.98").
Average rainfall days
O'Brien, FL
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
10 days - Average rainfall days in March:
11.4 days - Average rainfall days in April:
12.6 days - Average rainfall days in May:
13.6 days - Average rainfall days in June:
22.2 days
- Average rainfall days in July:
23.2 days - Average rainfall days in August:
25.4 days - Average rainfall days in September:
19.6 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is August (25.4 days).
The month with the least rainy days is November (7.1 days).
Average snowfall days
O'Brien, FL
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
O'Brien, FL
- Average daylight in January:
10h and 3min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 4min - Average daylight in June:
14h and 0min
- Average daylight in July:
13h and 5min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 4min - Average daylight in December:
10h and 2min
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:
6h and 3min - Average sunshine in February:
7h and 4min - Average sunshine in March:
8h and 1min - Average sunshine in April:
9h and 1min - Average sunshine in May:
10h and 5min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
9h and 3min - Average sunshine in September:
8h and 2min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 2min - Average sunshine in December:
5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days
O'Brien, FL
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
16.5 days - Average sunshine days in March:
18.4 days - Average sunshine days in April:
16.1 days - Average sunshine days in May:
16.1 days - Average sunshine days in June:
6 days
- Average sunshine days in July:
5.8 days - Average sunshine days in August:
4.2 days - Average sunshine days in September:
8.8 days - Average sunshine days in October:
19 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
20.3 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (4.2 days).
Average UV index
O'Brien, 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 3).
Average cloud cover
O'Brien, FL
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are May and October (Cloud cover 30).
Average visibility
O'Brien, 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).
O'Brien, Florida, USA
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