Climate and monthly weather forecastClewiston, FL
Climate and monthly weather forecast
Weather in January
January, like December, is an agreeable winter month in Clewiston, Florida, with an average temperature fluctuating between 56.1°F (13.4°C) and 72.3°F (22.4°C). January, on average, is the coldest month, registering a high temperature of 72.3°F (22.4°C) and a low of 56.1°F (13.4°C). Weather in January »Weather in February
February, the last month of the winter in Clewiston, is a warm month, with temperature in the range of an average high of 76.1°F (24.5°C) and an average low of 59°F (15°C). The shift into February uncovers an average high-temperature of a warm 76.1°F (24.5°C), subtly different from the previous month. Weather in February »Weather in March
The first month of the spring, March, is also a moderately hot month in Clewiston, Florida, with an average temperature varying between 78.6°F (25.9°C) and 61.3°F (16.3°C). March's arrival brings an average high-temperature of a still warm 78.6°F (25.9°C), demonstrating subtle variation from the preceding month. Weather in March »Weather in April
April, the same as March, is a moderately hot spring month in Clewiston, Florida, with temperature in the range of an average low of 67.3°F (19.6°C) and an average high of 83.8°F (28.8°C). Clewiston's average high-temperature in April is a still warm 83.8°F (28.8°C), marking an insignificant difference from the 78.6°F (25.9°C) of March. Weather in April »Weather in May
May, the last month of the spring in Clewiston, is a tropical month, with temperature in the range of an average high of 86.4°F (30.2°C) and an average low of 70.7°F (21.5°C). The shift from April to May is characterized by an average high-temperature of a hot 86.4°F (30.2°C), not significantly different from the 83.8°F (28.8°C) of April. Weather in May »Weather in June
The first month of the summer, June, is still a tropical month in Clewiston, Florida, with an average temperature varying between 88.3°F (31.3°C) and 74.3°F (23.5°C). June registers an average high-temperature of a still tropical 88.3°F (31.3°C), slightly varied from May's 86.4°F (30.2°C). Weather in June »Weather in July
July, the same as June, in Clewiston, Florida, is another tropical summer month, with an average temperature fluctuating between 89.2°F (31.8°C) and 75.7°F (24.3°C). Clewiston's average high-temperature marks a still tropical 89.2°F (31.8°C) with the advent of July, closely mirroring that of the preceding month. Weather in July »Weather in August
August, the last month of the summer in Clewiston, is another hot month, with an average temperature fluctuating between 76.5°F (24.7°C) and 89.6°F (32°C). In Clewiston, the peak average temperatures are observed in August, with a high of 89.6°F (32°C) and a low of 76.5°F (24.7°C). Throughout August, the heat index is computed to be a blistering 111.2°F (44°C). Weather in August »Weather in September
September, the first month of the autumn in Clewiston, is still a tropical month, with an average temperature varying between 87.4°F (30.8°C) and 74.7°F (23.7°C). September's arrival brings an average high-temperature of a still tropical 87.4°F (30.8°C), slightly deviating from August's 89.6°F (32°C). Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in Clewiston, Florida, with an average temperature ranging between min 70.7°F (21.5°C) and max 83.8°F (28.8°C). October's beginning signals an average high-temperature of a warm 83.8°F (28.8°C), barely different from September's 87.4°F (30.8°C). Weather in October »Weather in November
November, the last month of the autumn in Clewiston, is also a moderately hot month, with an average temperature ranging between min 64°F (17.8°C) and max 78.8°F (26°C). As October transitions into November, the average high-temperature rests at a still moderately hot 78.8°F (26°C), maintaining a close resemblance to the previous month. Weather in November »Weather in December
The first month of the winter, December, is also a moderately hot month in Clewiston, Florida, with an average temperature varying between 60.6°F (15.9°C) and 75.7°F (24.3°C). The ushering in of December brings an average high-temperature of a still warm 75.7°F (24.3°C), closely mirroring the 78.8°F (26°C) of November. Weather in December »Updated: Jun 29, 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
In Clewiston, the lowest temperatures are generally noted in January, averaging a high of 72.3°F (22.4°C) and a low of 56.1°F (13.4°C).
The month with the least rainfall is January, when the rain falls for 6.8 days and typically collects 0.43" (11mm) of precipitation.
In Clewiston, during the entire year, the rain falls for 166.9 days and collects up to 16.06" (408mm) of precipitation.
The months with the lowest UV index are January, February and December, with an average maximum UV index of 5.
With an average relative humidity of 70%, March is the least humid month.
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.
May through September, with an average maximum UV index of 7, are months with the highest UV index.
The month with the longest days is June, with an average of 13h and 48min of daylight.
With an average of 10.8h of sunshine, July has the most sunshine of the year.
Temperature records mark August as the warmest month, with highs averaging 89.6°F (32°C) and lows at 76.5°F (24.7°C).
August is the month with the most rainfall. Rain falls for 22.3 days and accumulates 3.19" (81mm) of precipitation.
With an average relative humidity of 81%, September is the most humid month.
The month with the shortest days is December, with an average of 10h and 30min of daylight.
December has the least sunshine of the year, with an average of 6.2h of sunshine.
Average temperature
Clewiston, FL
The warmest month (with the highest average high temperature) is August (89.6°F).
The month with the lowest average high temperature is January (72.3°F).
The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (56.1°F).
Average pressure
Clewiston, FL
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
30"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
29.96"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).
Average wind speed
Clewiston, FL
- Average wind speed in January:
7mph - Average wind speed in February:
6.7mph - Average wind speed in March:
7.1mph - Average wind speed in April:
7mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.6mph - Average wind speed in November:
6.8mph - Average wind speed in December:
6.5mph
The windiest month (with the highest average wind speed) is March (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity
Clewiston, FL
The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is March (70%).
Average rainfall
Clewiston, FL
- Average rainfall in January:
0.43" - Average rainfall in February:
0.55" - Average rainfall in March:
0.51" - Average rainfall in April:
0.71" - Average rainfall in May:
1.97" - Average rainfall in June:
2.05"
- Average rainfall in July:
2.44" - Average rainfall in August:
3.19" - Average rainfall in September:
1.54" - Average rainfall in October:
1.26" - Average rainfall in November:
0.55" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days
Clewiston, FL
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
9.5 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
15.1 days - Average rainfall days in June:
18.3 days
- Average rainfall days in July:
22.1 days - Average rainfall days in August:
22.3 days - Average rainfall days in September:
19.9 days - Average rainfall days in October:
14.4 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
8.3 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is January (6.8 days).
Average daylight / Average sunshine
Clewiston, FL
- Average daylight in January:
10h and 42min - Average daylight in February:
11h and 18min - 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 48min
- Average daylight in July:
13h and 36min - 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 30min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in January:
6h and 24min - Average sunshine in February:
8h and 12min - Average sunshine in March:
8h and 18min - Average sunshine in April:
9h and 24min - Average sunshine in May:
10h and 36min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 48min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 18min - Average sunshine in December:
6h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days
Clewiston, FL
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
17.3 days - Average sunshine days in March:
18.7 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
7.7 days
- Average sunshine days in July:
4.8 days - Average sunshine days in August:
4.3 days - Average sunshine days in September:
5.6 days - Average sunshine days in October:
12.2 days - Average sunshine days in November:
15.6 days - Average sunshine days in December:
18.2 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (4.3 days).
Average UV index
Clewiston, 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
Clewiston, FL
The months with the most cloud cover are January, November and December (Cloud cover 34).
The months with the least cloud cover are March, April and May (Cloud cover 29).
Average visibility
Clewiston, 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).
