Climate and monthly weather forecast
Mendenhall, PA

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Weather in January

January, the same as December, is an icy winter month in Mendenhall, Pennsylvania, with temperature in the range of an average low of 24.8°F (-4°C) and an average high of 36.9°F (2.7°C). The coldest time of the year is January, with temperatures averaging a high of 36.9°F (2.7°C) and a low of 24.8°F (-4°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Mendenhall, Pennsylvania, with temperature in the range of an average high of 40.3°F (4.6°C) and an average low of 27.1°F (-2.7°C). The onset of February notes an average high-temperature of a still wintry 40.3°F (4.6°C), subtly shifted from January's 36.9°F (2.7°C). Weather in February »

Weather in March

March, the first month of the spring in Mendenhall, is a frosty month, with temperature in the range of an average low of 34°F (1.1°C) and an average high of 48.9°F (9.4°C). In Mendenhall, the average high-temperature in March slightly increases from a wintry 40.3°F (4.6°C) in February to a chilly 48.9°F (9.4°C). Weather in March »

Weather in April

April is a comfortable spring month in Mendenhall, Pennsylvania, with an average temperature fluctuating between 44.2°F (6.8°C) and 61°F (16.1°C). The commencement of April sees a shift in the average high-temperature, moving from a frosty 48.9°F (9.4°C) in March to an enjoyable 61°F (16.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Mendenhall, Pennsylvania, with an average temperature varying between 54°F (12.2°C) and 71.1°F (21.7°C). The arrival of May brings an increase in high-temperatures, moving from a refreshing 61°F (16.1°C) in April to a pleasant 71.1°F (21.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Mendenhall, Pennsylvania, with an average temperature fluctuating between 79°F (26.1°C) and 61.9°F (16.6°C). June's onset brings a minor rise in the average high-temperature, moving from a pleasant 71.1°F (21.7°C) in May to a moderately hot 79°F (26.1°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Mendenhall, Pennsylvania, with an average temperature varying between 67.1°F (19.5°C) and 84.7°F (29.3°C). July, with average temperatures reaching a high of 84.7°F (29.3°C) and a low of 67.1°F (19.5°C), is the warmest month. The heat index for July is calculated to be a sweltering 95°F (35°C). Weather in July »

Weather in August

August, the last month of the summer in Mendenhall, is also a moderately hot month, with an average temperature fluctuating between 65.7°F (18.7°C) and 82.4°F (28°C). August brings an average high-temperature of a still moderately hot 82.4°F (28°C), nearly identical to the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Mendenhall, Pennsylvania, with an average temperature varying between 75.7°F (24.3°C) and 59.4°F (15.2°C). As September arrives, Mendenhall's weather displays a minor decrease in high-temperatures, transitioning from August's 82.4°F (28°C) to a still moderately hot 75.7°F (24.3°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Mendenhall, Pennsylvania, with an average temperature fluctuating between 49.3°F (9.6°C) and 63.5°F (17.5°C). A moderate decline in the average high-temperature is seen during October, decreasing from a warm 75.7°F (24.3°C) in September to a refreshing 63.5°F (17.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Mendenhall, is another cool month, with temperature in the range of an average low of 37.9°F (3.3°C) and an average high of 52°F (11.1°C). In Mendenhall, the average high-temperature in November drops from an enjoyable 63.5°F (17.5°C) in October to a cool 52°F (11.1°C). Weather in November »

Weather in December

December, the first month of the winter in Mendenhall, is still a chilly month, with temperature in the range of an average low of 31.8°F (-0.1°C) and an average high of 43°F (6.1°C). December brings a minor decrease, with the average high-temperature reducing from a cool 52°F (11.1°C) in November to a chilly 43°F (6.1°C). Weather in December »
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

With its average high temperature of 36.9°F (2.7°C) and a low of 24.8°F (-4°C), January is regarded as the coldest month.

How many days does it rain?

In Mendenhall, during the entire year, the rain falls for 135 days and collects up to 17.76" (451mm) of precipitation.

When does it snow?

Months with snowfall are January through May, November and December.

How much does it snow?

In Mendenhall, during the entire year, snow falls for 16.6 days and aggregates up to 5.47" (139mm) of snow.

When is the lowest UV index?

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

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 4.8h of sunshine.

When does it snow the most?

March is the month with the most snowfall. Snow falls for 3.7 days and accumulates 1.5" (38mm) of snow.

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?

With an average relative humidity of 74%, April is the least humid month in Mendenhall.

When is the highest UV index?

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

When it does not snow?

In Mendenhall, snow does not fall in June through October.

When are the longest days?

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

What time of the year is the hottest?

The warmest period is July, when temperatures fluctuate between an average high of 84.7°F (29.3°C) and a low of 67.1°F (19.5°C).

What month has the most sunshine in Mendenhall?

With an average of 10.7h of sunshine, July has the most sunshine of the year.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 14.8 days and typically aggregates up to 2.36" (60mm) of precipitation.

What is the most humid month?

With an average relative humidity of 79%, October is the most humid month.

What is the driest month?

The month with the least rainfall is November, when the rain falls for 7.4 days and typically collects 1.06" (27mm) of precipitation.

What is the month with the shortest days in Mendenhall?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

Average temperature
Mendenhall, PA

Average temperature - Mendenhall, PA

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure
Mendenhall, PA

Average pressure - Mendenhall, 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).

Average wind speed
Mendenhall, PA

Average wind speed - Mendenhall, PA

The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity
Mendenhall, PA

Average humidity - Mendenhall, PA

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (74%).

Average rainfall
Mendenhall, PA

Average rainfall - Mendenhall, PA

The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is November (1.06").

Average rainfall days
Mendenhall, PA

Average rainfall days - Mendenhall, PA

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (6.6 days).

Average snowfall
Mendenhall, PA

Average snowfall - Mendenhall, PA

The month with the highest snowfall is March (1.5").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days
Mendenhall, PA

Average snowfall days - Mendenhall, 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).

Average daylight / Average sunshine
Mendenhall, PA

Average daylight / Average sunshine - Mendenhall, 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 24min).

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days
Mendenhall, PA

Average sunshine days - Mendenhall, PA

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12.8 days).

Average UV index
Mendenhall, PA

Average UV index - Mendenhall, PA

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

Average visibility
Mendenhall, PA

Average visibility - Mendenhall, PA

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

Mendenhall, Pennsylvania, USA

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