Climate and monthly weather forecast
Hamlin, IA

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Weather in January

January, like December, is a freezing cold winter month in Hamlin, Iowa, with an average temperature varying between 14.2°F (-9.9°C) and 27.5°F (-2.5°C). In Hamlin, Iowa, January records the lowest average temperatures, peaking at 27.5°F (-2.5°C) and reaching a low of 14.2°F (-9.9°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Hamlin, Iowa, with an average temperature ranging between min 17.4°F (-8.1°C) and max 31.5°F (-0.3°C). Hamlin experiences an average high-temperature of a still subzero cold 31.5°F (-0.3°C) with the onset of February, subtly varied from January's 27.5°F (-2.5°C). Weather in February »

Weather in March

March, the first month of the spring in Hamlin, is a chilly month, with an average temperature fluctuating between 46.8°F (8.2°C) and 31.1°F (-0.5°C). With the onset of March, Hamlin experiences a distinct temperature rise, with the average high-temperature advancing from February's subzero cold 31.5°F (-0.3°C) to a frosty 46.8°F (8.2°C). Weather in March »

Weather in April

April in Hamlin, Iowa, is a mild spring month, with an average temperature fluctuating between 58.6°F (14.8°C) and 42.1°F (5.6°C). April marks a rise in the average high-temperature, moving from March's chilly 46.8°F (8.2°C) to a mild 58.6°F (14.8°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Hamlin, Iowa, with an average temperature ranging between max 68.9°F (20.5°C) and min 52.7°F (11.5°C). May brings a temperature increase, with average high-temperatures moving from April's mild 58.6°F (14.8°C) to a pleasant 68.9°F (20.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Hamlin, Iowa, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 79°F (26.1°C). The start of June signals an increase in the average high-temperature, moving from a pleasant 68.9°F (20.5°C) in May to a moderately hot 79°F (26.1°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Hamlin, Iowa, with an average temperature ranging between min 64.8°F (18.2°C) and max 82°F (27.8°C). Hamlin's warmest month, July, registers temperatures that range from a high of 82°F (27.8°C) to a low of 64.8°F (18.2°C). During July, the heat index is estimated at a tropical 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Hamlin, Iowa, with an average temperature varying between 62.1°F (16.7°C) and 79.9°F (26.6°C). Hamlin's average high-temperature marks a still warm 79.9°F (26.6°C) with the advent of August, closely mirroring that of the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Hamlin, is still a warm month, with an average temperature ranging between min 55.9°F (13.3°C) and max 74.7°F (23.7°C). The ushering in of September brings an average high-temperature of a still warm 74.7°F (23.7°C), closely mirroring the 79.9°F (26.6°C) of August. Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Hamlin, Iowa, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 43.7°F (6.5°C). Hamlin witnesses a significant decrease in the average high-temperature with the arrival of October, falling from September's moderately hot 74.7°F (23.7°C) to a refreshing 59.5°F (15.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Hamlin, Iowa, with an average temperature varying between 31.8°F (-0.1°C) and 45.9°F (7.7°C). In November, the meteorological conditions alter, with the average high-temperature shifting from a refreshing 59.5°F (15.3°C) in October to a frosty 45.9°F (7.7°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Hamlin, Iowa, with an average temperature ranging between min 20.8°F (-6.2°C) and max 32.4°F (0.2°C). December comes with a drop in the average high-temperature, falling from November's chilly 45.9°F (7.7°C) to a wintry 32.4°F (0.2°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Hamlin?

The coldest temperatures in Hamlin occur during January, when averages reach a peak of 27.5°F (-2.5°C) and a low of 14.2°F (-9.9°C).

What is the most humid month in Hamlin?

January is the most humid month in Hamlin, with an average relative humidity of 83%.

What is the driest month in Hamlin?

The month with the least rainfall in Hamlin, Iowa, is January, when the rain falls for 4.6 days and typically collects 0.75" (19mm) of precipitation.

How much does it rain in Hamlin?

In Hamlin, Iowa, during the entire year, the rain falls for 127.8 days and collects up to 24.88" (632mm) of precipitation.

When does it snow in Hamlin?

Months with snowfall are January through May, October through December.

How many days does it snow in Hamlin?

Throughout the year, in Hamlin, there are 38 snowfall days, and 12.72" (323mm) of snow is accumulated.

What is the month with the least sunshine in Hamlin?

January has the least sunshine of the year, with an average of 4.3h of sunshine.

When is the lowest UV index in Hamlin?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

When does it snow the most in Hamlin?

The month with the most snowfall is February, when snow falls for 8.8 days and typically aggregates up to 3.43" (87mm) of snow.

When is Daylight Saving Time (DST) in Hamlin?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Hamlin, 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 in Hamlin?

June is the month with the most rainfall in Hamlin, Iowa. Rain falls for 17.3 days and accumulates 4.02" (102mm) of precipitation.

When it does not snow in Hamlin?

June through September are months without snowfall in Hamlin.

When are the longest days in Hamlin?

The month with the longest days in Hamlin is June, with an average of 15h and 12min of daylight.

What is the month with the highest UV index in Hamlin?

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

What part of the year is the hottest in Hamlin?

The warmest period in Hamlin, Iowa, tends to be July, when average temperatures fluctuate between a high of 82°F (27.8°C) and a low of 64.8°F (18.2°C).

What month has the most sunshine in Hamlin?

July has the most sunshine of the year in Hamlin, with an average of 10.4h of sunshine.

What is the least humid month in Hamlin?

October is the least humid month, with an average relative humidity of 69%.

What is the month with the shortest days in Hamlin?

December has the shortest days of the year in Hamlin, with an average of 9h and 12min of daylight.

Average temperature
Hamlin, IA

Average temperature - Hamlin, IA

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (27.5°F).

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

Average pressure
Hamlin, IA

Average pressure - Hamlin, IA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed
Hamlin, IA

Average wind speed - Hamlin, IA

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity
Hamlin, IA

Average humidity - Hamlin, IA

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (69%).

Average rainfall
Hamlin, IA

Average rainfall - Hamlin, IA

The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days
Hamlin, IA

Average rainfall days - Hamlin, IA

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.3 days).

Average snowfall
Hamlin, IA

Average snowfall - Hamlin, IA

The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Hamlin, IA

Average snowfall days - Hamlin, IA

The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Hamlin, IA

Average daylight / Average sunshine - Hamlin, IA

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days
Hamlin, IA

Average sunshine days - Hamlin, IA

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (10.3 days).

Average UV index
Hamlin, IA

Average UV index - Hamlin, IA

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility
Hamlin, IA

Average visibility - Hamlin, 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).

Hamlin, Iowa, USA

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