Climate and monthly weather forecast
Lester, IA

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Weather in January

January, the same as December, in Lester, Iowa, is a freezing cold winter month, with an average temperature fluctuating between 9.5°F (-12.5°C) and 23°F (-5°C). Lester reaches its lowest average temperatures in January, measuring 23°F (-5°C) at the peak and 9.5°F (-12.5°C) at the lowest. 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 high of 26.4°F (-3.1°C) and an average low of 12.7°F (-10.7°C). The advent of February denotes an average high-temperature of a still subzero cold 26.4°F (-3.1°C), subtly different from January's 23°F (-5°C). Weather in February »

Weather in March

March, the first month of the spring in Lester, is a frosty month, with an average temperature fluctuating between 43.2°F (6.2°C) and 27.9°F (-2.3°C). The changeover to March signals a significant increase in the average high-temperature, rising from a subzero cold 26.4°F (-3.1°C) in February to a frosty 43.2°F (6.2°C). Weather in March »

Weather in April

April is a mild spring month in Lester, Iowa, with an average temperature fluctuating between 55.4°F (13°C) and 39.2°F (4°C). April comes with an increase, with the average high-temperature moving from a frosty 43.2°F (6.2°C) in March to a mild 55.4°F (13°C). Weather in April »

Weather in May

May, the last month of the spring in Lester, is a refreshing month, with temperature in the range of an average low of 50.9°F (10.5°C) and an average high of 67.6°F (19.8°C). Lester in May experiences an increase in the average high-temperature, moving from April's moderate 55.4°F (13°C) 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 ranging between max 77.5°F (25.3°C) and min 60.4°F (15.8°C). Observing a rise in June, the average high-temperature goes from May's enjoyable 67.6°F (19.8°C) to a moderately hot 77.5°F (25.3°C). Weather in June »

Weather in July

July, like June, in Lester, Iowa, is another warm summer month, with an average temperature varying between 62.8°F (17.1°C) and 81.5°F (27.5°C). Lester's July weather reaches an average high of 81.5°F (27.5°C) and an average low of 62.8°F (17.1°C), making it the warmest month. In July, the average heat index is estimated at a hot 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Lester, Iowa, with an average temperature varying between 59.5°F (15.3°C) and 80.2°F (26.8°C). August's average high-temperature is a still warm 80.2°F (26.8°C), maintaining a close comparison with July's 81.5°F (27.5°C). Weather in August »

Weather in September

September, the first month of the autumn in Lester, is still a warm month, with temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 53.6°F (12°C). With September's onset, the weather reveals a slight temperature decrease, transitioning from a warm 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, like September, is another mild autumn month in Lester, Iowa, with an average temperature ranging between max 57.4°F (14.1°C) and min 41.5°F (5.3°C). With the onset of October, Lester experiences a distinct temperature drop, with the average high-temperature reducing from September's moderately hot 73.9°F (23.3°C) to a refreshing 57.4°F (14.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Lester, is another chilly month, with an average temperature varying between 43.2°F (6.2°C) and 29.7°F (-1.3°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

December, the first month of the winter in Lester, is still a freezing cold month, with an average temperature varying between 27.3°F (-2.6°C) and 15.8°F (-9°C). The shift into December is marked by a considerable temperature decrease, with the average high-temperature 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 »
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Frequently asked questions

What is the coldest month in Lester?

Lester notes the coldest temperatures in January, with a average high of 23°F (-5°C) and a low of 9.5°F (-12.5°C).

What is the most humid month in Lester?

The most humid month in Lester, Iowa, is January, with an average relative humidity of 88%.

What is the driest month in Lester?

The month with the least rainfall is January, when the rain falls for 3.4 days and typically collects 0.71" (18mm) of precipitation.

How much does it rain in Lester?

In Lester, during the entire year, the rain falls for 119.2 days and collects up to 22.13" (562mm) of precipitation.

When does it snow in Lester?

January through May, October through December are months with snowfall in Lester.

How much does it snow in Lester?

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.

When is the lowest UV index in Lester?

With an average maximum UV index of 1, January is the month with the lowest UV index in Lester.

When does it snow the most in Lester?

February is the month with the most snowfall in Lester, Iowa. Snow falls for 8.8 days and accumulates 4.61" (117mm) of snow.

When is Daylight Saving Time (DST) in Lester?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Lester, Iowa, 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 wettest month in Lester?

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 in Lester?

June through September are months without snowfall.

When are the longest days in Lester?

With an average of 15h and 24min of daylight, June has the longest days of the year in Lester, Iowa.

When is the highest UV index in Lester?

The months with the highest UV index are June and July, with an average maximum UV index of 6.

What are the warmest months in Lester?

July, with its high-temperature average of 81.5°F (27.5°C) and a low-temperature average of 62.8°F (17.1°C), is the warmest month.

What month has the most sunshine in Lester?

With an average of 10.5h of sunshine, July has the most sunshine of the year.

What is the least humid month in Lester?

The least humid month is October, with an average relative humidity of 67%.

What is the month with the shortest days in Lester?

With an average of 9h and 0min of daylight, December has the shortest days of the year in Lester, Iowa.

Average temperature
Lester, IA

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).

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Average pressure
Lester, IA

Average pressure - Lester, IA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed
Lester, IA

Average wind speed - Lester, IA

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).

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Average rainfall
Lester, IA

Average rainfall - Lester, IA

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days
Lester, IA

Average rainfall days - Lester, IA

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).

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Average snowfall
Lester, IA

Average snowfall - Lester, IA

The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Lester, IA

Average snowfall days - Lester, IA

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).

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Average daylight / Average sunshine
Lester, IA

Average daylight / Average sunshine - Lester, IA

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).

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).

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Average sunshine days
Lester, IA

Average sunshine days - Lester, IA

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is June (10.1 days).

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Average visibility
Lester, IA

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).

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Lester, Iowa, USA

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