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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
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another subzero cold winter month in Lester, Iowa, with an average temperature fluctuating between 23°F (-5°C) and 9.5°F (-12.5°C). Lester's January weather, marked by an average high temperature of 23°F (-5°C) and an average low temperature of 9.5°F (-12.5°C), is the coldest in the year. Weather in January »
Weather in February
February, the last month of the winter in Lester, is also a subzero cold month, with temperature in the range of an average low of 12.7°F (-10.7°C) and an average high of 26.4°F (-3.1°C). Lester transitions into February recording an average high-temperature of a still subzero cold 26.4°F (-3.1°C), closely aligning with the preceding month's temperature. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Lester, Iowa, with temperature in the range of an average high of 43.2°F (6.2°C) and an average low of 27.9°F (-2.3°C). A shift in Lester's weather is noticeable as February turns into March, with the average high temperature increases from a subzero cold 26.4°F (-3.1°C) to a frosty 43.2°F (6.2°C). Weather in March »
Weather in April
April is a moderate spring month in Lester, Iowa, with an average temperature ranging between max 55.4°F (13°C) and min 39.2°F (4°C). As Lester welcomes April, the average high-temperature sees a rise, transitioning from a frosty 43.2°F (6.2°C) in March to a refreshing 55.4°F (13°C). Weather in April »
Weather in May
May, the last month of the spring in Lester, is an enjoyable month, with temperature in the range of an average high of 67.6°F (19.8°C) and an average low of 50.9°F (10.5°C). The average high-temperature increases in May, moving from a refreshing 55.4°F (13°C) in April to an enjoyable 67.6°F (19.8°C). Weather in May »
Weather in June
June, the first month of the summer in Lester, is a warm month, with an average temperature fluctuating between 60.4°F (15.8°C) and 77.5°F (25.3°C). With the arrival of June, the average high-temperature transitions from a comfortable 67.6°F (19.8°C) in May to a moderately hot 77.5°F (25.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Lester, Iowa, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 62.8°F (17.1°C). July, with an average high of 81.5°F (27.5°C) and a low of 62.8°F (17.1°C), signifies the warmest month of the year. During July, the heat index is estimated at a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Lester, is also a moderately hot month, with an average temperature ranging between max 80.2°F (26.8°C) and min 59.5°F (15.3°C). August's presence records an average high-temperature of a still warm 80.2°F (26.8°C), closely mirroring July's climate. Weather in August »
Weather in September
September, the first month of the autumn in Lester, is still a warm month, with an average temperature ranging between max 73.9°F (23.3°C) and min 53.6°F (12°C). September's onset introduces a mild reduction in the average high-temperature, from 80.2°F (26.8°C) in August to a still moderately hot 73.9°F (23.3°C). Weather in September »
Weather in October
October, the same as September, in Lester, Iowa, is another mild autumn month, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 57.4°F (14.1°C). October's onset is marked by a clear temperature decrease, falling from a moderately hot 73.9°F (23.3°C) in September to a mild 57.4°F (14.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Lester, Iowa, with an average temperature fluctuating between 29.7°F (-1.3°C) and 43.2°F (6.2°C). Lester's progression into November includes a drop in the average high-temperature, from a moderate 57.4°F (14.1°C) in October to a frosty 43.2°F (6.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Lester, Iowa, with an average temperature varying between 15.8°F (-9°C) and 27.3°F (-2.6°C). The average high-temperature exhibits a considerable decrease in December, dropping from a frosty 43.2°F (6.2°C) in November to a freezing cold 27.3°F (-2.6°C). Weather in December »
Updated: Jul 24, 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 are the coldest months?
Lester reaches its average lowest temperatures in January, measuring 23°F (-5°C) at the peak and 9.5°F (-12.5°C) at the lowest.
What is the most humid month?
The most humid month is January, with an average relative humidity of 88%.
What is the driest month?
January is the month with the least rainfall. Rain falls for 3.4 days and accumulates 0.71" (18mm) of precipitation.
How many days does it rain?
Throughout the year, there are 119.2 rainfall days, and 22.13" (562mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
In Lester, during the entire year, snow falls for 48.3 days and aggregates up to 19.29" (490mm) of snow.
What is the month with the least sunshine in Lester?
With an average of 4h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index?
The month with the lowest UV index in Lester, Iowa, is January, with an average maximum UV index of 1.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 8.8 days and accumulates 4.61" (117mm) of snow.
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 CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month?
June is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.43" (87mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 24min of daylight.
What is the month with the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What is the hottest time of year?
The highest temperatures are recorded in July, with averages reaching a high of 81.5°F (27.5°C) and a low of 62.8°F (17.1°C).
What month has the most sunshine?
With an average of 10.5h of sunshine, July has the most sunshine of the year.
What is the least humid month?
October is the least humid month in Lester, with an average relative humidity of 67%.
What is the month with the shortest days?
With an average of 9h and 0min of daylight, December has the shortest days of the year.
Average temperature
Lester, IA
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (23°F).
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).
Average pressure
Lester, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Lester, IA
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.7mph - Average wind speed in April:
11.2mph - Average wind speed in May:
9.8mph - Average wind speed in June:
8.9mph
- Average wind speed in July:
7.8mph - Average wind speed in August:
8mph - Average wind speed in September:
9.3mph - Average wind speed in October:
10.3mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity
Lester, IA
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).
Average rainfall
Lester, IA
- Average rainfall in January:
0.71" - Average rainfall in February:
0.83" - Average rainfall in March:
1.57" - Average rainfall in April:
2.36" - Average rainfall in May:
2.83" - Average rainfall in June:
3.43"
- Average rainfall in July:
2.13" - Average rainfall in August:
2.17" - Average rainfall in September:
2.09" - Average rainfall in October:
2.13" - Average rainfall in November:
0.75" - Average rainfall in December:
1.14"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days
Lester, IA
- Average rainfall days in January:
3.4 days - Average rainfall days in February:
2.7 days - Average rainfall days in March:
9.1 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
16 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
9.3 days - Average rainfall days in November:
5.4 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (2.7 days).
Average snowfall
Lester, IA
- Average snowfall in January:
3.46" - Average snowfall in February:
4.61" - Average snowfall in March:
3.23" - Average snowfall in April:
1.81" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Lester, IA
- Average snowfall days in January:
11.3 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
7.1 days - Average snowfall days in April:
3 days - Average snowfall days in May:
0.3 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:
1.5 days - Average snowfall days in November:
4.7 days - Average snowfall days in December:
11.6 days
The month with the highest number of snowfall days is December (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Lester, IA
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Lester, IA
- Average sunshine days in January:
18.9 days - Average sunshine days in February:
16.9 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
13 days - Average sunshine days in May:
13.6 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
14.5 days - Average sunshine days in August:
15.1 days - Average sunshine days in September:
17 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
20.1 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is June (10.1 days).
Average UV index
Lester, IA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Lester, IA
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Lester, IA
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Lester, Iowa, USA
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