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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Gratztown, Pennsylvania, is an icy winter month, with an average temperature ranging between max 33.6°F (0.9°C) and min 20.7°F (-6.3°C). Gratztown experiences its lowest temperatures in January, with an average peak of 33.6°F (0.9°C) and a low of 20.7°F (-6.3°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Gratztown, Pennsylvania, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 37.9°F (3.3°C). Gratztown experiences an average high-temperature of a still icy 37.9°F (3.3°C) in February, subtly different from January's 33.6°F (0.9°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Gratztown, Pennsylvania, with an average temperature fluctuating between 47.5°F (8.6°C) and 31.1°F (-0.5°C). The average high-temperature increases in March, moving from a cold 37.9°F (3.3°C) in February to a frosty 47.5°F (8.6°C). Weather in March »
Weather in April
April is a refreshing spring month in Gratztown, Pennsylvania, with an average temperature varying between 41.2°F (5.1°C) and 60.1°F (15.6°C). The shift into April is characterized by a rise in the average high-temperature, transitioning from March's frosty 47.5°F (8.6°C) to a refreshing 60.1°F (15.6°C). Weather in April »
Weather in May
May, the last month of the spring in Gratztown, is a pleasant month, with temperature in the range of an average low of 51.1°F (10.6°C) and an average high of 71.2°F (21.8°C). May witnesses an increase in the average high-temperature, moving from a mild 60.1°F (15.6°C) in April to a pleasant 71.2°F (21.8°C). Weather in May »
Weather in June
June, the first month of the summer in Gratztown, is a moderately hot month, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 57.4°F (14.1°C). As Gratztown welcomes June, the average high-temperature sees a modest rise, transitioning from a pleasant 71.2°F (21.8°C) in May to a moderately hot 78.1°F (25.6°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Gratztown, Pennsylvania, with an average temperature fluctuating between 82.6°F (28.1°C) and 60.8°F (16°C). The warmest time of the year is July, with temperatures averaging a high of 82.6°F (28.1°C) and a low of 60.8°F (16°C). In July, the average heat index is calculated to be a hot 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 Gratztown, Pennsylvania, with temperature in the range of an average low of 59.4°F (15.2°C) and an average high of 81.1°F (27.3°C). August's average high-temperature stands at a still moderately hot 81.1°F (27.3°C), showing little deviation from July's 82.6°F (28.1°C). Weather in August »
Weather in September
September, the first month of the autumn in Gratztown, is also a moderately hot month, with an average temperature varying between 75°F (23.9°C) and 54.7°F (12.6°C). September's arrival comes with a mild decrease in the average high-temperature, moving subtly from 81.1°F (27.3°C) in August to a still warm 75°F (23.9°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Gratztown, Pennsylvania, with an average temperature varying between 45.1°F (7.3°C) and 62.1°F (16.7°C). With October's arrival, Gratztown's weather changes as the average high-temperature falls from a warm 75°F (23.9°C) in September to an enjoyable 62.1°F (16.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Gratztown, Pennsylvania, with an average temperature fluctuating between 34°F (1.1°C) and 49.5°F (9.7°C). A moderate decline in the average high-temperature is seen during November, decreasing from a comfortable 62.1°F (16.7°C) in October to a frosty 49.5°F (9.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Gratztown, Pennsylvania, with an average temperature fluctuating between 39.9°F (4.4°C) and 28.4°F (-2°C). A change in temperatures is noted as November gives way to December, with average highs reducing from a frosty 49.5°F (9.7°C) to a wintry 39.9°F (4.4°C). Weather in December »
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
January is the month when Gratztown sees the average lowest temperatures, with a high of 33.6°F (0.9°C) and a low of 20.7°F (-6.3°C).
How much does it rain?
In Gratztown, during the entire year, the rain falls for 174.1 days and collects up to 23.82" (605mm) of precipitation.
When does it snow?
January through April, October through December are months with snowfall.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 16.5 days and typically aggregates up to 3.66" (93mm) of snow.
How many days does it snow in Gratztown?
In Gratztown, during the entire year, snow falls for 54.8 days and aggregates up to 13.58" (345mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3h of sunshine.
What is the most humid month?
The most humid month is February, with an average relative humidity of 85%.
When is Daylight Saving Time (DST) in Gratztown?
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 are the least humid months?
The months with the lowest humidity are April, July and August, with an average relative humidity of 77%.
What is the rainiest month in Gratztown?
The month with the most rainfall is May, when the rain falls for 19.7 days and typically aggregates up to 2.83" (72mm) of precipitation.
When it does not snow?
May through September are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What is the month with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What part of the year is the hottest?
Gratztown's July weather reaches an average high of 82.6°F (28.1°C) and an average low of 60.8°F (16°C), making it the warmest month.
What month has the most sunshine in Gratztown?
The month with the most sunshine is August, with an average of 10.3h of sunshine.
What is the driest month?
The month with the least rainfall is November, when the rain falls for 10.8 days and typically collects 1.42" (36mm) of precipitation.
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.
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
Gratztown, PA
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (33.6°F).
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure
Gratztown, PA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.11"Hg
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
Gratztown, PA
- Average wind speed in January:
8.1mph - Average wind speed in February:
7.9mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.9mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Gratztown, PA
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall
Gratztown, PA
- Average rainfall in January:
1.57" - Average rainfall in February:
1.77" - Average rainfall in March:
1.89" - Average rainfall in April:
2.36" - Average rainfall in May:
2.83" - Average rainfall in June:
2.44"
- Average rainfall in July:
2.24" - Average rainfall in August:
1.69" - Average rainfall in September:
1.69" - Average rainfall in October:
1.93" - Average rainfall in November:
1.42" - Average rainfall in December:
1.97"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days
Gratztown, PA
- Average rainfall days in January:
10.1 days - Average rainfall days in February:
10 days - Average rainfall days in March:
14.4 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
19.7 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
16.4 days - Average rainfall days in September:
13.7 days - Average rainfall days in October:
15 days - Average rainfall days in November:
10.8 days - Average rainfall days in December:
12.7 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (10 days).
Average snowfall
Gratztown, PA
The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Gratztown, PA
- Average snowfall days in January:
16.5 days - Average snowfall days in February:
12.7 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
4.2 days - Average snowfall days in December:
11.5 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Gratztown, PA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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 24min).
- Average sunshine in January:
3h and 0min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days
Gratztown, PA
- Average sunshine days in January:
7.3 days - Average sunshine days in February:
7.5 days - Average sunshine days in March:
9.9 days - Average sunshine days in April:
10.5 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
12.4 days - Average sunshine days in September:
13.7 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
15.8 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is January (7.3 days).
Average UV index
Gratztown, PA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Gratztown, PA
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Gratztown, PA
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Gratztown, Pennsylvania, USA
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