Climate and monthly weather forecast
Hamilton, MO

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Weather in January

January, the same as December, is a wintry winter month in Hamilton, Missouri, with an average temperature ranging between max 34.2°F (1.2°C) and min 20.5°F (-6.4°C). Hamilton's January weather, marked by an average high temperature of 34.2°F (1.2°C) and an average low temperature of 20.5°F (-6.4°C), is the coldest in the year. Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Hamilton, Missouri, with an average temperature ranging between max 38.8°F (3.8°C) and min 24.3°F (-4.3°C). The onset of February notes an average high-temperature of a still wintry 38.8°F (3.8°C), subtly shifted from January's 34.2°F (1.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Hamilton, Missouri, with an average temperature varying between 52°F (11.1°C) and 35.6°F (2°C). March shows a rise in the average high-temperature, moving from February's wintry 38.8°F (3.8°C) to a fresh 52°F (11.1°C). Weather in March »

Weather in April

April in Hamilton, Missouri, is a comfortable spring month, with an average temperature ranging between min 45.1°F (7.3°C) and max 63°F (17.2°C). Hamilton's weather in April shows a rise in the average high-temperature, moving up from March's fresh 52°F (11.1°C) to a comfortable 63°F (17.2°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Hamilton, Missouri, with temperature in the range of an average high of 71.8°F (22.1°C) and an average low of 54.9°F (12.7°C). As April gives way to May, the average high-temperature displays a slight ascent, adjusting from a refreshing 63°F (17.2°C) to a pleasant 71.8°F (22.1°C). Weather in May »

Weather in June

June, the first month of the summer in Hamilton, is a warm month, with an average temperature ranging between min 65.1°F (18.4°C) and max 82°F (27.8°C). June indicates a change in the average high-temperature, moving up from an agreeable 71.8°F (22.1°C) in May to a warm 82°F (27.8°C). Weather in June »

Weather in July

July, like June, in Hamilton, Missouri, is another warm summer month, with an average temperature fluctuating between 84.7°F (29.3°C) and 67.6°F (19.8°C). Hamilton's warmest weather arrives in July, when temperatures average a high of 84.7°F (29.3°C) and a low of 67.6°F (19.8°C). The heat index value during July is appraised at a very hot 96.8°F (36°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Hamilton, Missouri, with an average temperature ranging between min 64.9°F (18.3°C) and max 83.3°F (28.5°C). The shift into August records an average high-temperature of a still warm 83.3°F (28.5°C), subtly varied from July's 84.7°F (29.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Hamilton, Missouri, with an average temperature fluctuating between 57.9°F (14.4°C) and 77.5°F (25.3°C). September's onset brings a negligible change in high-temperatures, falling from a moderately hot 83.3°F (28.5°C) in August to a still warm 77.5°F (25.3°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Hamilton, Missouri, with an average temperature fluctuating between 46.4°F (8°C) and 63.7°F (17.6°C). October's onset corresponds with a shift in the average high-temperature, moving from a moderately hot 77.5°F (25.3°C) in September to a refreshing 63.7°F (17.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Hamilton, is also a fresh month, with temperature in the range of an average high of 50.9°F (10.5°C) and an average low of 35.2°F (1.8°C). The beginning of November marks a decrease in the average high-temperature, transitioning from a comfortable 63.7°F (17.6°C) in October to a cool 50.9°F (10.5°C). Weather in November »

Weather in December

December, the first month of the winter in Hamilton, is also an icy month, with an average temperature varying between 25.7°F (-3.5°C) and 38.5°F (3.6°C). With December's arrival, Hamilton's weather changes as the average high-temperature falls from a fresh 50.9°F (10.5°C) in November to an icy 38.5°F (3.6°C). Weather in December »
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

With average temperatures fluctuating between a high of 34.2°F (1.2°C) and a low of 20.5°F (-6.4°C), January stands out as the coldest month.

What is the driest month?

The months with the least rainfall are January and February Rain falls for 4.5 days and accumulates 1.02" (26mm) of rain.

How much does it rain?

Throughout the year, there are 133.8 rainfall days, and 27.17" (690mm) of precipitation is accumulated.

When does it snow?

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

When does it snow the most?

January is the month with the most snowfall. Snow falls for 6.8 days and accumulates 3.86" (98mm) of snow.

How much does it snow?

In Hamilton, Missouri, during the entire year, snow falls for 24.3 days and aggregates up to 11.54" (293mm) of snow.

What is the month with the least sunshine?

With an average of 4.7h of sunshine, January has the least sunshine of the year.

When is the lowest UV index?

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

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 are the most humid months in Hamilton?

May through August, with an average relative humidity of 80%, are most humid months.

What is the wettest month?

The month with the most rainfall is June, when the rain falls for 16.1 days and typically aggregates up to 3.82" (97mm) of precipitation.

When it does not snow in Hamilton?

June through September are months without snowfall.

When are the longest days in Hamilton?

June has the longest days of the year, with an average of 14h and 54min of daylight.

What is the month with the highest UV index?

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

What part of the year is the hottest?

Hamilton's temperatures peak on average in July, reaching 84.7°F (29.3°C) at their highest and 67.6°F (19.8°C) at their lowest.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.2h of sunshine.

What is the least humid month?

With an average relative humidity of 71%, October is the least humid month.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

Average temperature
Hamilton, MO

Average temperature - Hamilton, MO

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34.2°F).

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure
Hamilton, MO

Average pressure - Hamilton, MO

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed
Hamilton, MO

Average wind speed - Hamilton, MO

The windiest months (with the highest average wind speed) are February and March (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity
Hamilton, MO

Average humidity - Hamilton, MO

The months with the highest relative humidity are May, June, July and August (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Hamilton, MO

Average rainfall - Hamilton, MO

The wettest month (with the highest rainfall) is June (3.82").
The driest months (with the least rainfall) are January and February (1.02").

Average rainfall days
Hamilton, MO

Average rainfall days - Hamilton, MO

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.5 days).

Average snowfall
Hamilton, MO

Average snowfall - Hamilton, MO

The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Hamilton, MO

Average snowfall days - Hamilton, MO

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Hamilton, MO

Average daylight / Average sunshine - Hamilton, MO

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days
Hamilton, MO

Average sunshine days - Hamilton, MO

The month with the most sunshine days is December (21 days).
The month with the least sunshine days is June (11.2 days).

Average UV index
Hamilton, MO

Average UV index - Hamilton, MO

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

Average visibility
Hamilton, MO

Average visibility - Hamilton, MO

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).

Hamilton, Missouri, USA

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