Climate and monthly weather forecast
Annville, PA

Weather in January

January, like December, in Annville, Pennsylvania, is another cold winter month, with an average temperature varying between 21.6°F (-5.8°C) and 33.8°F (1°C). The coldest month is January, with an average high-temperature of 33.8°F (1°C) and an average low-temperature of 21.6°F (-5.8°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Annville, Pennsylvania, with temperature in the range of an average low of 23.5°F (-4.7°C) and an average high of 37.9°F (3.3°C). In February, the average high-temperature is relatively the same as in January - a still wintry 37.9°F (3.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Annville, Pennsylvania, with an average temperature fluctuating between 46.9°F (8.3°C) and 31.1°F (-0.5°C). In Annville, the average high-temperature in March increases from a cold 37.9°F (3.3°C) in February to a chilly 46.9°F (8.3°C). Weather in March »

Weather in April

April in Annville, Pennsylvania, is a mild spring month, with an average temperature fluctuating between 41.4°F (5.2°C) and 59.4°F (15.2°C). In Annville, the average high-temperature in April increases from a frosty 46.9°F (8.3°C) in March to a mild 59.4°F (15.2°C). Weather in April »

Weather in May

May, the last month of the spring in Annville, is a pleasant month, with an average temperature varying between 51.1°F (10.6°C) and 68.7°F (20.4°C). In May, the average high-temperature rises from a moderate 59.4°F (15.2°C) in April to a pleasant 68.7°F (20.4°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Annville, Pennsylvania, with an average temperature fluctuating between 58.6°F (14.8°C) and 76.6°F (24.8°C). In June, the average high-temperature slightly increases from a pleasant 68.7°F (20.4°C) in May to a warm 76.6°F (24.8°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Annville, Pennsylvania, with an average temperature fluctuating between 82°F (27.8°C) and 63.1°F (17.3°C). The warmest month is July, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 63.1°F (17.3°C). In July, the average heat index is computed to be a tropical 88.7°F (31.5°C). Weather in July »

Weather in August

August, the last month of the summer in Annville, is also a moderately hot month, with an average temperature ranging between max 79.9°F (26.6°C) and min 61.7°F (16.5°C). In August, the average high-temperature is almost the same as in July - a still warm 79.9°F (26.6°C). Weather in August »

Weather in September

September, the first month of the autumn in Annville, is still a warm month, with an average temperature fluctuating between 73.8°F (23.2°C) and 55.4°F (13°C). In Annville, the average high-temperature in September marginally drops from a moderately hot 79.9°F (26.6°C) in August to a still warm 73.8°F (23.2°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Annville, Pennsylvania, with an average temperature fluctuating between 46°F (7.8°C) and 61.7°F (16.5°C). In Annville, the average high-temperature in October drops from a warm 73.8°F (23.2°C) in September to a comfortable 61.7°F (16.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Annville, Pennsylvania, with an average temperature ranging between min 34.9°F (1.6°C) and max 49.5°F (9.7°C). In November, the average high-temperature drops from an enjoyable 61.7°F (16.5°C) in October to a frosty 49.5°F (9.7°C). Weather in November »

Weather in December

December, the first month of the winter in Annville, is still a cold month, with temperature in the range of an average high of 40.3°F (4.6°C) and an average low of 29.3°F (-1.5°C). In Annville, the average high-temperature in December decreases from a chilly 49.5°F (9.7°C) in November to a cold 40.3°F (4.6°C). Weather in December »
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FAQ

What is the coldest month in Annville?

With an average high-temperature of 33.8°F (1°C) and an average low-temperature of 21.6°F (-5.8°C), January is the coldest month in Annville.

How much does it rain in Annville?

Throughout the year, there are 137.4 rainfall days, and 16.26" (413mm) of precipitation is accumulated.

When does it snow in Annville?

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

What is the snowiest month in Annville?

January is the month with the most snowfall. Snow falls for 5.2 days and accumulates 1.97" (50mm) of snow.

How much does it snow in Annville?

In Annville, during the entire year, snow falls for 19.5 days and aggregates up to 6.69" (170mm) of snow.

What are the months with the lowest UV index in Annville?

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

What is the most humid month in Annville?

The months with the highest humidity in Annville, Pennsylvania, are February, May and October, with an average relative humidity of 81%.

What is the driest month in Annville?

The month with the least rainfall in Annville is February, when the rain falls for 7.8 days and typically collects 0.94" (24mm) of precipitation.

What is the month with the least sunshine in Annville?

February has the least sunshine of the year in Annville, with an average of 4.5h of sunshine.

When is Daylight Saving Time (DST) in Annville?

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 least humid month in Annville?

April is the least humid month in Annville, Pennsylvania, with an average relative humidity of 76%.

What are the months with the highest UV index in Annville?

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

When it does not snow in Annville?

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

When are the longest days in Annville?

The month with the longest days in Annville, Pennsylvania, is June, with an average of 15h and 0min of daylight.

What is the warmest month in Annville?

With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 63.1°F (17.3°C), July is the warmest month in Annville.

What month has the most sunshine in Annville?

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

What is the rainiest month in Annville?

The month with the most rainfall in Annville is August, when the rain falls for 14.7 days and typically aggregates up to 2.13" (54mm) of precipitation.

What is the month with the shortest days in Annville?

The month with the shortest days is December, with an average of 9h and 21min of daylight.

Average temperature
Annville, PA

Average temperature - Annville, PA

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure
Annville, PA

Average pressure - Annville, PA

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed
Annville, PA

Average wind speed - Annville, PA

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity
Annville, PA

Average humidity - Annville, PA

The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).

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Average rainfall
Annville, PA

Average rainfall - Annville, PA

The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is February (0.94").

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Average rainfall days
Annville, PA

Average rainfall days - Annville, PA

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.7 days).

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Average snowfall
Annville, PA

Average snowfall - Annville, PA

The month with the highest snowfall is January (1.97").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Annville, PA

Average snowfall days - Annville, PA

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Annville, PA

Average daylight / Average sunshine - Annville, 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 21min).

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.5h).

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Average sunshine days
Annville, PA

Average sunshine days - Annville, PA

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index
Annville, PA

Average UV index - Annville, PA

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

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Average visibility
Annville, PA

Average visibility - Annville, PA

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

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