Climate and monthly weather forecast
Thornburg, PA

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Weather in January

January, the same as December, is a wintry winter month in Thornburg, Pennsylvania, with an average temperature varying between 33.1°F (0.6°C) and 21°F (-6.1°C). The coldest month is January, with an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 21°F (-6.1°C). Weather in January »

Weather in February

February, the last month of the winter in Thornburg, is another cold month, with an average temperature varying between 23.4°F (-4.8°C) and 37.6°F (3.1°C). The high-temperature average in February for Thornburg is a still wintry 37.6°F (3.1°C), staying closely aligned with January's conditions. Weather in February »

Weather in March

March, the first month of the spring in Thornburg, is a frosty month, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 47.8°F (8.8°C). The start of March brings a rise in the average high-temperature, moving from a wintry 37.6°F (3.1°C) in February to a frosty 47.8°F (8.8°C). Weather in March »

Weather in April

April in Thornburg, Pennsylvania, is a comfortable spring month, with an average temperature fluctuating between 61°F (16.1°C) and 41.5°F (5.3°C). The shift into April is characterized by a rise in the average high-temperature, transitioning from March's chilly 47.8°F (8.8°C) to an enjoyable 61°F (16.1°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Thornburg, Pennsylvania, with an average temperature ranging between min 51.4°F (10.8°C) and max 72.1°F (22.3°C). Thornburg's weather in May presents a rise in the average high-temperature, moving from a comfortable 61°F (16.1°C) in April to a pleasant 72.1°F (22.3°C). Weather in May »

Weather in June

June, the first month of the summer in Thornburg, is a moderately hot month, with an average temperature fluctuating between 79.3°F (26.3°C) and 58.6°F (14.8°C). The shift from May to June sees a slight increase in the average high-temperature, transitioning from a pleasant 72.1°F (22.3°C) to a moderately hot 79.3°F (26.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Thornburg, Pennsylvania, with an average temperature fluctuating between 84°F (28.9°C) and 63°F (17.2°C). July, known for its average high temperature of 84°F (28.9°C) and an average low temperature of 63°F (17.2°C), is the warmest month. For July, the heat index is computed to be a tropical 91.4°F (33°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Thornburg, Pennsylvania, with an average temperature fluctuating between 61.3°F (16.3°C) and 82.2°F (27.9°C). Upon the beginning of August, Thornburg's high-temperatures register at a still moderately hot 82.2°F (27.9°C), closely mirroring the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Thornburg, is still a warm month, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 55.9°F (13.3°C). September witnesses a gentle descent in average high-temperature, descending from August's 82.2°F (27.9°C) to a still warm 75.7°F (24.3°C). Weather in September »

Weather in October

October, like September, in Thornburg, Pennsylvania, is another refreshing autumn month, with an average temperature ranging between max 62.2°F (16.8°C) and min 45.5°F (7.5°C). Thornburg's weather changes with the onset of October, slightly falling from a moderately hot 75.7°F (24.3°C) in September to a comfortable 62.2°F (16.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Thornburg, is another chilly month, with an average temperature ranging between max 49.1°F (9.5°C) and min 34.2°F (1.2°C). In Thornburg, entering November brings a temperature decrement, reducing from October's refreshing 62.2°F (16.8°C) to a frosty 49.1°F (9.5°C). Weather in November »

Weather in December

December, the first month of the winter in Thornburg, is still a cold month, with an average temperature fluctuating between 39.4°F (4.1°C) and 28.4°F (-2°C). December's onset brings a reduction in the average high-temperature, from a frosty 49.1°F (9.5°C) in November to a wintry 39.4°F (4.1°C). Weather in December »
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

Thornburg experiences its lowest temperatures in January, with an average peak of 33.1°F (0.6°C) and a low of 21°F (-6.1°C).

What are the most humid months?

January and February, with an average relative humidity of 84%, are most humid months.

How many days does it rain?

In Thornburg, during the entire year, the rain falls for 163.6 days and collects up to 26.93" (684mm) of precipitation.

When does it snow?

January through April, October through December are months with snowfall.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 14.4 days and accumulates 3.31" (84mm) of snow.

How much does it snow?

In Thornburg, during the entire year, snow falls for 47.7 days and aggregates up to 11.77" (299mm) of snow.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 2.8h of sunshine.

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 EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 18.9 days and accumulates 3.07" (78mm) of precipitation.

When it does not snow?

In Thornburg, snow does not fall in May through September.

What is the month with the highest UV index?

May through July, with an average maximum UV index of 6, are months with the highest UV index.

When are the longest days?

June has the longest days of the year, with an average of 15h and 0min of daylight.

What part of the year is the hottest?

During the warmest month in Thornburg, July, temperatures average a high of 84°F (28.9°C) and a low of 63°F (17.2°C).

What are the least humid months?

July and August, with an average relative humidity of 73%, are the least humid months.

What month has the most sunshine?

With an average of 10.1h of sunshine, August has the most sunshine of the year.

What is the driest month?

November is the month with the least rainfall. Rain falls for 9.8 days and accumulates 1.54" (39mm) of precipitation.

What is the month with the shortest days?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

What is the month with the lowest UV index?

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

Average temperature
Thornburg, PA

Average temperature - Thornburg, PA

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.1°F).

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure
Thornburg, PA

Average pressure - Thornburg, 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).

Average wind speed
Thornburg, PA

Average wind speed - Thornburg, PA

The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity
Thornburg, PA

Average humidity - Thornburg, PA

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (73%).

Average rainfall
Thornburg, PA

Average rainfall - Thornburg, PA

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is November (1.54").

Average rainfall days
Thornburg, PA

Average rainfall days - Thornburg, PA

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (8.9 days).

Average snowfall
Thornburg, PA

Average snowfall - Thornburg, PA

The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Thornburg, PA

Average snowfall days - Thornburg, PA

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Thornburg, PA

Average daylight / Average sunshine - Thornburg, PA

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days
Thornburg, PA

Average sunshine days - Thornburg, PA

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.6 days).

Average visibility
Thornburg, PA

Average visibility - Thornburg, PA

The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).

Thornburg, Pennsylvania, USA

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