Climate and monthly weather forecastO'Brien, FL

Climate and monthly weather forecast

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 »

Frequently asked questions

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.

Throughout the year, in O'Brien, there are 173.7 rainfall days, and 30.83" (783mm) of precipitation is accumulated.

January, March through December are months without snowfall.

In O'Brien, during the entire year, snow falls for 0.1 days.

With an average maximum UV index of 3, January is the month with the lowest UV index.

February is the only month when snow falls.

The month with the most snowfall days is February, when snow falls for 0.1 days.

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 least humid month is May, with an average relative humidity of 70%.

May through August, with an average maximum UV index of 7, are months with the highest UV index.

June has the longest days of the year, with an average of 14h and 0min of daylight.

The warmest period falls in July and August, when the average high-temperature reaches 91.2°F (32.9°C).

With an average of 10.9h of sunshine, July has the most sunshine of the year.

The months with the highest humidity are August and September, with an average relative humidity of 77%.

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.

November is the month with the least rainfall. Rain falls for 7.1 days and accumulates 0.98" (25mm) of precipitation.

December has the shortest days of the year, with an average of 10h and 18min of daylight.

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

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

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

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

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

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

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).

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

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).