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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, like December, in Alton, Florida, is another enjoyable winter month, with an average temperature fluctuating between 44.2°F (6.8°C) and 62.2°F (16.8°C). January is the coldest month of the year, registering average temperatures as high as 62.2°F (16.8°C) and as low as 44.2°F (6.8°C). Weather in January »
Weather in February
February, the last month of the winter in Alton, is another comfortable month, with an average temperature ranging between min 48.4°F (9.1°C) and max 67.1°F (19.5°C). Alton's entry into February measures an average high-temperature of a still enjoyable 67.1°F (19.5°C), closely parallel to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is an agreeable month in Alton, Florida, with an average temperature ranging between max 73°F (22.8°C) and min 52.7°F (11.5°C). The start of March brings a subtle rise in the average high-temperature, moving from a refreshing 67.1°F (19.5°C) in February to an agreeable 73°F (22.8°C). Weather in March »
Weather in April
April is a moderately hot spring month in Alton, Florida, with an average temperature fluctuating between 59.7°F (15.4°C) and 80.2°F (26.8°C). The beginning of April marks a minor shift in the average high-temperature, moving from March's 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 Alton, is a tropical month, with an average temperature ranging between min 65.8°F (18.8°C) and max 86.4°F (30.2°C). As April gives way to May, the average high-temperature displays a slight ascent, adjusting from a warm 80.2°F (26.8°C) to a tropical 86.4°F (30.2°C). Weather in May »
Weather in June
June, the first month of the summer in Alton, is also a hot month, with temperature in the range of an average low of 72.3°F (22.4°C) and an average high of 90.3°F (32.4°C). The transition into June marks the average high-temperature at a still tropical 90.3°F (32.4°C), differing minimally from May's 86.4°F (30.2°C). Weather in June »
Weather in July
July, like June, is a hot summer month in Alton, Florida, with an average temperature varying between 91.2°F (32.9°C) and 74.3°F (23.5°C). During July and August, Alton registers its highest temperatures, averaging a high of 91.2°F (32.9°C). July's average heat index is evaluated 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 Alton, Florida, with an average temperature fluctuating between 74.8°F (23.8°C) and 91.2°F (32.9°C). July and August are known as Alton's warmest months, with an average high-temperature of 91.2°F (32.9°C). For August, the heat index is evaluated at a burning hot 114.8°F (46°C). Weather in August »
Weather in September
September, the first month of the autumn in Alton, is still a hot month, with an average temperature varying between 87.8°F (31°C) and 70.7°F (21.5°C). Alton experiences an average high-temperature of a still tropical 87.8°F (31°C) in September, marking an insignificant shift from 91.2°F (32.9°C) in August. Weather in September »
Weather in October
October, like September, in Alton, Florida, is another warm autumn month, with an average temperature varying between 62.1°F (16.7°C) and 81°F (27.2°C). With the onset of October, Alton's climate undergoes a slight change as the average high-temperature moves from a tropical 87.8°F (31°C) in September to a warm 81°F (27.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Alton, is another pleasant month, with an average temperature ranging between min 52.2°F (11.2°C) and max 71.2°F (21.8°C). November brings a decrease in the average high-temperature, falling from October's warm 81°F (27.2°C) 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 Alton, Florida, with an average temperature varying between 65.8°F (18.8°C) and 48.7°F (9.3°C). The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a pleasant 71.2°F (21.8°C) in November to an enjoyable 65.8°F (18.8°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Alton?
In Alton, January records the average lowest temperatures, peaking at 62.2°F (16.8°C) and reaching a low of 44.2°F (6.8°C).
How many days does it rain in Alton?
Throughout the year, in Alton, there are 173.6 rainfall days, and 31.3" (795mm) of precipitation is accumulated.
When it does not snow in Alton?
In Alton, Florida, snow does not fall in January, March through December.
How many days does it snow in Alton?
In Alton, during the entire year, snow falls for 0.1 days.
What is the month with the lowest UV index in Alton?
The month with the lowest UV index is January, with an average maximum UV index of 3.
When does it snow in Alton?
February is the only month when snow falls in Alton.
When does it snow the most in Alton?
The month with the most snowfall days in Alton, Florida, is February, when snow falls for 0.1 days.
When is Daylight Saving Time (DST) in Alton?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Alton, 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 in Alton?
With an average relative humidity of 70%, May is the least humid month.
What is the month with the highest UV index in Alton?
The months with the highest UV index in Alton, Florida, are May through August, with an average maximum UV index of 7.
When are the longest days in Alton?
June has the longest days of the year, with an average of 14h and 6min of daylight.
What part of the year is the hottest in Alton?
Alton experiences peak temperatures, averaging a high-temperature of 91.2°F (32.9°C) during July and August.
What month has the most sunshine in Alton?
With an average of 10.7h of sunshine, July has the most sunshine of the year.
What is the most humid month in Alton?
August, September and December, with an average relative humidity of 77%, are most humid months.
What is the wettest month in Alton?
August is the month with the most rainfall in Alton. Rain falls for 25.5 days and accumulates 4.57" (116mm) of precipitation.
What is the driest month in Alton?
The month with the least rainfall is November, when the rain falls for 7.2 days and typically collects 1.14" (29mm) of precipitation.
What is the month with the shortest days in Alton?
The month with the shortest days in Alton, Florida, is December, with an average of 10h and 12min of daylight.
What is the month with the least sunshine in Alton?
The month with the least sunshine is December, with an average of 5.8h of sunshine.
Average temperature
Alton, 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
Alton, 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
Alton, FL
- Average wind speed in January:
6mph - Average wind speed in February:
6.2mph - Average wind speed in March:
6.5mph - 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:
5mph - Average wind speed in October:
5.7mph - Average wind speed in November:
5.7mph - Average wind speed in December:
5.9mph
The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity
Alton, FL
The months with the highest relative humidity are August, September and December (77%).
The month with the lowest relative humidity is May (70%).
Average rainfall
Alton, 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:
4.53"
- Average rainfall in July:
4.33" - Average rainfall in August:
4.57" - Average rainfall in September:
3.03" - Average rainfall in October:
1.65" - Average rainfall in November:
1.14" - Average rainfall in December:
2.2"
The wettest month (with the highest rainfall) is August (4.57").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days
Alton, FL
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
9.9 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:
22.1 days
- Average rainfall days in July:
23.2 days - Average rainfall days in August:
25.5 days - Average rainfall days in September:
19.5 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
7.2 days - Average rainfall days in December:
9.9 days
The month with the highest number of rainy days is August (25.5 days).
The month with the least rainy days is November (7.2 days).
Average snowfall days
Alton, 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
Alton, 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 1min
- 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 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- 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 0min - Average sunshine in May:
10h and 4min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
9h and 3min - Average sunshine in September:
8h and 3min - 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 42min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days
Alton, FL
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
18.3 days - Average sunshine days in April:
16.2 days - Average sunshine days in May:
16.3 days - Average sunshine days in June:
6 days
- Average sunshine days in July:
5.9 days - Average sunshine days in August:
4.3 days - Average sunshine days in September:
8.9 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
20 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (4.3 days).
Average UV index
Alton, 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
Alton, FL
The month with the most cloud cover is December (Cloud cover 40).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility
Alton, FL
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (6mi).
The month with the lowest visibility is September (5mi).
Alton, Florida, USA
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