Climate and monthly weather forecast
Hamilton, PA

Weather in January

January, like December, is a freezing cold winter month in Hamilton, Pennsylvania, with an average temperature varying between 30.4°F (-0.9°C) and 18.3°F (-7.6°C). With an average high-temperature of 30.4°F (-0.9°C) and an average low-temperature of 18.3°F (-7.6°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Hamilton, is a wintry month, with an average temperature varying between 34.7°F (1.5°C) and 20.3°F (-6.5°C). In February, the average high-temperature is essentially the same as in January - a cold 34.7°F (1.5°C). Weather in February »

Weather in March

March, the first month of the spring in Hamilton, is a frosty month, with an average temperature fluctuating between 44.2°F (6.8°C) and 28.2°F (-2.1°C). In Hamilton, the average high-temperature in March increases from a cold 34.7°F (1.5°C) in February to a frosty 44.2°F (6.8°C). Weather in March »

Weather in April

April is a moderate spring month in Hamilton, Pennsylvania, with an average temperature fluctuating between 56.8°F (13.8°C) and 37.9°F (3.3°C). In April, the average high-temperature rises from a frosty 44.2°F (6.8°C) in March to a moderate 56.8°F (13.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Hamilton, Pennsylvania, with an average temperature varying between 48.4°F (9.1°C) and 68.9°F (20.5°C). In May, the average high-temperature increases from a mild 56.8°F (13.8°C) in April to a pleasant 68.9°F (20.5°C). Weather in May »

Weather in June

June, the first month of the summer in Hamilton, is a moderately hot month, with an average temperature ranging between min 54.1°F (12.3°C) and max 76.1°F (24.5°C). In June, the average high-temperature slightly increases from a pleasant 68.9°F (20.5°C) in May to a moderately hot 76.1°F (24.5°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Hamilton, Pennsylvania, with an average temperature fluctuating between 81°F (27.2°C) and 58.8°F (14.9°C). July is the warmest month, with an average high-temperature of 81°F (27.2°C) and an average low-temperature of 58.8°F (14.9°C). The average heat index in July is computed to be a tropical 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Hamilton, is another warm month, with an average temperature ranging between max 79.2°F (26.2°C) and min 57°F (13.9°C). In Hamilton, the average high-temperature in August is relatively the same as in July - a still warm 79.2°F (26.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Hamilton, Pennsylvania, with an average temperature varying between 52.5°F (11.4°C) and 72.3°F (22.4°C). In Hamilton, the average high-temperature in September marginally drops from a warm 79.2°F (26.2°C) in August to a pleasant 72.3°F (22.4°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Hamilton, Pennsylvania, with temperature in the range of an average low of 43.5°F (6.4°C) and an average high of 59.4°F (15.2°C). In October, the average high-temperature decreases from a pleasant 72.3°F (22.4°C) in September to a mild 59.4°F (15.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Hamilton, is another chilly month, with temperature in the range of an average low of 32°F (0°C) and an average high of 46.2°F (7.9°C). In November, the average high-temperature decreases from a mild 59.4°F (15.2°C) in October to a chilly 46.2°F (7.9°C). Weather in November »

Weather in December

December, the first month of the winter in Hamilton, is still a cold month, with an average temperature ranging between min 25.7°F (-3.5°C) and max 36.7°F (2.6°C). In December, the average high-temperature decreases from a frosty 46.2°F (7.9°C) in November to a cold 36.7°F (2.6°C). Weather in December »
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FAQ

What is the coldest month in Hamilton?

The coldest month in Hamilton, Pennsylvania, is January, with an average high-temperature of 30.4°F (-0.9°C) and an average low-temperature of 18.3°F (-7.6°C).

How much does it rain in Hamilton?

In Hamilton, during the entire year, the rain falls for 151.9 days and collects up to 22.13" (562mm) of precipitation.

When does it snow in Hamilton?

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

What is the snowiest month in Hamilton?

The month with the most snowfall is January, when snow falls for 18.6 days and typically aggregates up to 5.63" (143mm) of snow.

How much does it snow in Hamilton?

In Hamilton, during the entire year, snow falls for 71 days and aggregates up to 22.32" (567mm) of snow.

What is the month with the least sunshine in Hamilton?

The month with the least sunshine is January, with an average of 2.5h of sunshine.

What is the most humid month in Hamilton?

February is the most humid month, with an average relative humidity of 88%.

When is Daylight Saving Time (DST) in Hamilton?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the wettest month in Hamilton?

April is the month with the most rainfall. Rain falls for 16.3 days and accumulates 2.48" (63mm) of precipitation.

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

May through August, with an average maximum UV index of 5, are months with the highest UV index in Hamilton, Pennsylvania.

What is the least humid month in Hamilton?

June through August, with an average relative humidity of 78%, are the least humid months in Hamilton, Pennsylvania.

When it does not snow in Hamilton?

In Hamilton, snow does not fall in June through September.

When are the longest days in Hamilton?

June has the longest days of the year in Hamilton, with an average of 15h and 4min of daylight.

What is the warmest month in Hamilton?

With an average high-temperature of 81°F (27.2°C) and an average low-temperature of 58.8°F (14.9°C), July is the warmest month.

What is the month with the most sunshine in Hamilton?

July and August, with an average of 9.6h of sunshine, are months with the most sunshine in Hamilton, Pennsylvania.

What is the driest month in Hamilton?

November is the month with the least rainfall in Hamilton, Pennsylvania. Rain falls for 9.1 days and accumulates 1.26" (32mm) of precipitation.

What is the month with the shortest days in Hamilton?

With an average of 9h and 17min of daylight, December has the shortest days of the year in Hamilton, Pennsylvania.

When is the lowest UV index in Hamilton?

With an average maximum UV index of 1, December is the month with the lowest UV index.

Average temperature
Hamilton, PA

Average temperature - Hamilton, PA

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure
Hamilton, PA

Average pressure - Hamilton, PA

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed
Hamilton, PA

Average wind speed - Hamilton, PA

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity
Hamilton, PA

Average humidity - Hamilton, PA

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).

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Average rainfall
Hamilton, PA

Average rainfall - Hamilton, PA

The wettest month (with the highest rainfall) is April (2.48").
The driest month (with the least rainfall) is November (1.26").

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Average rainfall days
Hamilton, PA

Average rainfall days - Hamilton, PA

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall
Hamilton, PA

Average snowfall - Hamilton, PA

The month with the highest snowfall is January (5.63").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Hamilton, PA

Average snowfall days - Hamilton, PA

The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Hamilton, PA

Average daylight / Average sunshine - Hamilton, PA

The month with the longest days is June (Average daylight: 15h and 4min).
The month with the shortest days is December (Average daylight: 9h and 17min).

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

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Average sunshine days
Hamilton, PA

Average sunshine days - Hamilton, PA

The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (7.8 days).

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