Yearly & Monthly weather

Climate and monthly weather forecast

Weather in January

January, the same as December, in Zenith, Pennsylvania, is a freezing cold winter month, with an average temperature varying between -7.2°C and -0.1°C. With an average high-temperature of -0.1°C and an average low-temperature of -7.2°C, January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Zenith, is a cold month, with an average temperature fluctuating between -6.1°C and 1.8°C. A minimal variation is noted in Zenith's average high-temperature at the onset of February, reaching a cold 1.8°C from January's -0.1°C. Weather in February »

Weather in March

March, the first month of the spring in Zenith, is a frosty month, with temperature in the range of an average high of 6.9°C and an average low of -1.8°C. The start of March signals an increase in the average high-temperature, moving from an icy 1.8°C in February to a frosty 6.9°C. Weather in March »

Weather in April

April in Zenith, Pennsylvania, is a mild spring month, with temperature in the range of an average high of 13.6°C and an average low of 3.5°C. The onset of April brings a temperature shift, with the average high-temperature moving from a frosty 6.9°C in March to a refreshing 13.6°C. Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Zenith, Pennsylvania, with an average temperature varying between 20.2°C and 9.3°C. May brings a rise in the average high-temperature, transitioning from April's refreshing 13.6°C to an agreeable 20.2°C. Weather in May »

Weather in June

June, the first month of the summer in Zenith, is a moderately hot month, with temperature in the range of an average high of 24.3°C and an average low of 12.8°C. Zenith, Pennsylvania, in June observes a minor temperature shift, with average high-temperatures adjusting from a pleasant 20.2°C in May to a moderately hot 24.3°C. Weather in June »

Weather in July

July, like June, in Zenith, Pennsylvania, is a moderately hot summer month, with an average temperature fluctuating between 27.4°C and 15.3°C. July, with an average high of 27.4°C and a low of 15.3°C, signifies the warmest month of the year. For most parts of July, the heat index is calculated to be a tropical 31°C. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Zenith, Pennsylvania, with an average temperature fluctuating between 14.3°C and 25.9°C. As Zenith transitions from July to August, the average high-temperatures adjust to a still moderately hot 25.9°C, nearly the same as the previous 27.4°C. Weather in August »

Weather in September

September, the first month of the autumn in Zenith, is also an agreeable month, with an average temperature varying between 11.2°C and 22.5°C. Zenith records a mild change in average high-temperature during September, easing from a moderately hot 25.9°C in August to an agreeable 22.5°C. Weather in September »

Weather in October

October, the same as September, in Zenith, Pennsylvania, is another refreshing autumn month, with temperature in the range of an average high of 15.5°C and an average low of 6.6°C. Observing a mild shift, the average high-temperature during October reduces from September's agreeable 22.5°C to a moderate 15.5°C. Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Zenith, Pennsylvania, with an average temperature ranging between max 8.5°C and min 0.5°C. The onset of November comes with a shift in the average high-temperature, falling from a refreshing 15.5°C in October to a chilly 8.5°C. Weather in November »

Weather in December

December, the first month of the winter in Zenith, is still a cold month, with an average temperature varying between 3.1°C and -2.8°C. December indicates a shift in the average high-temperature, from November's frosty 8.5°C to a wintry 3.1°C. Weather in December »

Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January is the coldest month of the year, registering average temperatures as high as -0.1°C and as low as -7.2°C.

How many days does it rain?

Throughout the year, there are 166.3 rainfall days, and 789mm 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 in Zenith. Snow falls for 12.9 days and accumulates 151mm of snow.

How many days does it snow?

In Zenith, during the entire year, snow falls for 47.6 days and aggregates up to 582mm of snow.

What is the most humid month?

With an average relative humidity of 83%, February is the most humid month.

What is the month with the least sunshine?

With an average of 3.8h of sunshine, February has the least sunshine of the year.

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 least humid month?

The least humid month is April, with an average relative humidity of 77%.

What is the rainiest month?

The months with the most rainfall are April and May, with an average 76mm of precipitation.

What are the months with the highest UV index?

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

When it does not snow?

June through September are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 15h and 6min of daylight.

What is the warmest month?

July stands out as Zenith's warmest month, with an average high-temperature of 27.4°C and a low-temperature of 15.3°C.

What month has the most sunshine?

With an average of 10.2h of sunshine, July has the most sunshine of the year.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 52mm of precipitation.

What is the month with the shortest days?

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

What is the month with the lowest UV index?

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

Today

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Long-term

Year J F M A M J J A S O N D

Average temperature
Zenith, PA

Average high temperature in January:
-0.1°C
Average high temperature in February:
1.8°C
Average high temperature in March:
6.9°C
Average high temperature in April:
13.6°C
Average high temperature in May:
20.2°C
Average high temperature in June:
24.3°C

Average high temperature in July:
27.4°C
Average high temperature in August:
25.9°C
Average high temperature in September:
22.5°C
Average high temperature in October:
15.5°C
Average high temperature in November:
8.5°C
Average high temperature in December:
3.1°C

The warmest month (with the highest average high temperature) is July (27.4°C).
The month with the lowest average high temperature is January (-0.1°C).

Average low temperature in January:
-7.2°C
Average low temperature in February:
-6.1°C
Average low temperature in March:
-1.8°C
Average low temperature in April:
3.5°C
Average low temperature in May:
9.3°C
Average low temperature in June:
12.8°C

Average low temperature in July:
15.3°C
Average low temperature in August:
14.3°C
Average low temperature in September:
11.2°C
Average low temperature in October:
6.6°C
Average low temperature in November:
0.5°C
Average low temperature in December:
-2.8°C

The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (-7.2°C).

Average pressure
Zenith, PA

Average pressure in January:
1018.8mbar
Average pressure in February:
1017.9mbar
Average pressure in March:
1018.5mbar
Average pressure in April:
1015.4mbar
Average pressure in May:
1016.3mbar
Average pressure in June:
1014mbar

Average pressure in July:
1015mbar
Average pressure in August:
1015.9mbar
Average pressure in September:
1018.2mbar
Average pressure in October:
1017mbar
Average pressure in November:
1020.2mbar
Average pressure in December:
1019.1mbar

The month with the highest atmospheric pressure is November (1020.2mbar).
The month with the lowest atmospheric pressure is June (1014mbar).

Average wind speed
Zenith, PA

Average wind speed in January:
12.6km/h
Average wind speed in February:
12.6km/h
Average wind speed in March:
13.1km/h
Average wind speed in April:
13.1km/h
Average wind speed in May:
10.3km/h
Average wind speed in June:
9.5km/h

Average wind speed in July:
8.1km/h
Average wind speed in August:
7.8km/h
Average wind speed in September:
8.9km/h
Average wind speed in October:
10.7km/h
Average wind speed in November:
11.4km/h
Average wind speed in December:
12.1km/h

The windiest months (with the highest average wind speed) are March and April (13.1km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).

Average humidity
Zenith, PA

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).

Average rainfall
Zenith, PA

The wettest months (with the highest rainfall) are April and May (76mm).
The driest month (with the least rainfall) is September (52mm).

Average rainfall days
Zenith, PA

Average rainfall days in January:
9.3 days
Average rainfall days in February:
9.8 days
Average rainfall days in March:
13.6 days
Average rainfall days in April:
17.1 days
Average rainfall days in May:
17.8 days
Average rainfall days in June:
16.1 days

Average rainfall days in July:
16.8 days
Average rainfall days in August:
15.1 days
Average rainfall days in September:
12.8 days
Average rainfall days in October:
14 days
Average rainfall days in November:
11.5 days
Average rainfall days in December:
12.4 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).

Average snowfall
Zenith, PA

The month with the highest snowfall is January (151mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days
Zenith, PA

Average snowfall days in January:
12.9 days
Average snowfall days in February:
12.1 days
Average snowfall days in March:
7.8 days
Average snowfall days in April:
1.8 days
Average snowfall days in May:
0.3 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:
3.1 days
Average snowfall days in December:
9.4 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Zenith, 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 3min
Average daylight in June:
15h and 1min

Average daylight in July:
14h and 5min
Average daylight in August:
13h and 5min
Average daylight in September:
12h and 3min
Average daylight in October:
11h and 1min
Average daylight in November:
9h and 5min
Average daylight in December:
9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

Average sunshine in January:
3h and 5min
Average sunshine in February:
3h and 5min
Average sunshine in March:
6h and 0min
Average sunshine in April:
7h and 4min
Average sunshine in May:
8h and 1min
Average sunshine in June:
9h and 3min

Average sunshine in July:
10h and 1min
Average sunshine in August:
9h and 5min
Average sunshine in September:
8h and 4min
Average sunshine in October:
5h and 1min
Average sunshine in November:
5h and 1min
Average sunshine in December:
4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days
Zenith, PA

Average sunshine days in January:
12.8 days
Average sunshine days in February:
9.8 days
Average sunshine days in March:
11.3 days
Average sunshine days in April:
11.1 days
Average sunshine days in May:
10.4 days
Average sunshine days in June:
11.8 days

Average sunshine days in July:
11.5 days
Average sunshine days in August:
13.6 days
Average sunshine days in September:
14.7 days
Average sunshine days in October:
12.9 days
Average sunshine days in November:
16.3 days
Average sunshine days in December:
12.5 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.8 days).

Average UV index
Zenith, PA

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover
Zenith, PA

The months with the most cloud cover are February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility
Zenith, PA

The month with the highest visibility is April (9km).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (8km).

°Celsius °Fahrenheit

Climate and monthly weather forecastZenith, PA

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