July weather forecast
Palmyra, PA

Share

Weather in July

July, the same as June, is another warm summer month in Palmyra, Pennsylvania, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 82.4°F (28°C).

Temperature

The warmest period is July, when temperatures fluctuate between an average high of 82.4°F (28°C) and a low of 63.5°F (17.5°C).

Heat index

The heat index for July is computed to be a hot 89.6°F (32°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

In Palmyra, the average relative humidity in July is 78%.

Rainfall

In July, the rain falls for 17.3 days. Throughout July, 2.87" (73mm) of precipitation is accumulated. Throughout the year, there are 162.3 rainfall days, and 30.71" (780mm) of precipitation is accumulated.

Snowfall

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

Daylight

In July, the average length of the day in Palmyra is 14h and 43min.
On the first day of the month, sunrise is at 5:40 am and sunset at 8:40 pm. On the last day of July, sunrise is at 6:03 am and sunset at 8:21 pm EDT.

Sunshine

July has the most sunshine of the year, with an average of 10.5h of sunshine.

UV index

May through July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A typical high UV index of 6 in July suggests the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

What part of the year is the hottest?

July, on average, is the warmest month, registering a high temperature of 82.4°F (28°C) and a low of 63.5°F (17.5°C).

How hot does it get in July?

In July, in Palmyra, the average high-temperature is 82.4°F (28°C), and the average low-temperature is 63.5°F (17.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in July is computed to be 89.6°F (32°C).

What is the average humidity in July?

In July, the average relative humidity is 78%.

How much does it rain in July?

In July, the rain falls for 17.3 days. Throughout July, 2.87" (73mm) of precipitation is accumulated.

When it does not snow?

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

What is the average length of the day in July?

In July, the average day length in Palmyra is 14h and 43min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 5:40 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:21 pm EDT.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.5h of sunshine.

How many hours of sunshine does Palmyra have in July?

The average sunshine duration in July is 10.5h.

When is the highest UV index?

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

What is the UV index reading in July?

In July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Palmyra, PA

Average temperature in July - Palmyra, PA
  • Average high temperature in July: 82.4°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in July: 63.5°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in July
Palmyra, PA

Average pressure in July - Palmyra, PA
  • Average pressure in July: 29.97"Hg

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 in July
Palmyra, PA

Average wind speed in July - Palmyra, PA
  • Average wind speed in July: 4.9mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in July
Palmyra, PA

Average humidity in July - Palmyra, PA
  • Average humidity in July: 78%

The months with the highest relative humidity are February and May (81%).
The months with the lowest relative humidity are March and April (76%).

Average rainfall in July
Palmyra, PA

Average rainfall in July - Palmyra, PA
  • Average rainfall in July: 2.87"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in July
Palmyra, PA

Average rainfall days in July - Palmyra, PA
  • Average rainfall days in July: 17.3 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in July
Palmyra, PA

Average snowfall in July - Palmyra, PA
  • Average snowfall in July: 0"

The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Palmyra, PA

Average snowfall days in July - Palmyra, PA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Palmyra, PA

Average daylight in July / Average sunshine in July - Palmyra, PA
  • Average daylight in July: 14h and 4min

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 July: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in July
Palmyra, PA

Average sunshine days in July - Palmyra, PA
  • Average sunshine days in July: 11.5 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10 days).

Average UV index in July
Palmyra, PA

Average UV index in July - Palmyra, PA
  • Average UV index in July: 6

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).

Average cloud cover in July
Palmyra, PA

Average cloud cover in July - Palmyra, PA
  • Average cloud cover in July: 31

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in July
Palmyra, PA

Average visibility in July - Palmyra, PA
  • Average visibility in July: 6mi

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

Palmyra, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location