July weather forecast
Williamsport, MD

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Weather in July

July, the same as June, is a moderately hot summer month in Williamsport, Maryland, with an average temperature fluctuating between 64°F (17.8°C) and 85.6°F (29.8°C).

Temperature

Williamsport's temperatures peak on average in July, reaching 85.6°F (29.8°C) at their highest and 64°F (17.8°C) at their lowest.

Heat index

July's mean heat index is appraised at a fiery hot 96.8°F (36°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

July is the least humid month, with an average relative humidity of 74%.

Rainfall

In Williamsport, in July, during 15.7 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 152.2 rainfall days, and 26.02" (661mm) of precipitation is accumulated.

Snowfall

In Williamsport, snow does not fall in May through October.

Daylight

In Williamsport, the average length of the day in July is 14h and 38min.
On the first day of July, sunrise is at 5:47 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:24 pm EDT.

Sunshine

With an average of 10.6h of sunshine, July has the most sunshine of the year in Williamsport.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 6 during July leads to these instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

July, characterized by an average high temperature of 85.6°F (29.8°C) and a low temperature of 64°F (17.8°C), is generally the warmest month.

How hot is it in July?

In Williamsport, 85.6°F (29.8°C) is the average high-temperature and 64°F (17.8°C) is the average low-temperature during July. In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 96.8°F (36°C).

What is the least humid month?

July is the least humid month, with an average relative humidity of 74%.

What is the average humidity in July?

In Williamsport, the average relative humidity in July is 74%.

How much does it rain in July?

In Williamsport, during July, the rain falls for 15.7 days and regularly aggregates up to 2.83" (72mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Williamsport have in July?

In Williamsport, the average day length in July is 14h and 38min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:47 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:24 pm EDT.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.6h of sunshine.

How long on average sun shines in July?

The average sunshine duration in July is 10.6h.

What are the months with the highest UV index?

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

How high is the UV index in July?

In Williamsport, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
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
Williamsport, MD

Average temperature in July - Williamsport, MD
  • Average high temperature in July: 85.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in July: 64°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in July
Williamsport, MD

Average pressure in July - Williamsport, MD
  • Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in July
Williamsport, MD

Average wind speed in July - Williamsport, MD
  • Average wind speed in July: 4.5mph

The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in July
Williamsport, MD

Average humidity in July - Williamsport, MD
  • Average humidity in July: 74%

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

Average rainfall in July
Williamsport, MD

Average rainfall in July - Williamsport, MD
  • Average rainfall in July: 2.83"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in July
Williamsport, MD

Average rainfall days in July - Williamsport, MD
  • Average rainfall days in July: 15.7 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in July
Williamsport, MD

Average snowfall in July - Williamsport, MD
  • Average snowfall in July: 0"

The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Williamsport, MD

Average snowfall days in July - Williamsport, MD
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
Williamsport, MD

Average daylight in July / Average sunshine in July - Williamsport, MD
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in July: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).

Average sunshine days in July
Williamsport, MD

Average sunshine days in July - Williamsport, MD
  • Average sunshine days in July: 12.7 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in July
Williamsport, MD

Average UV index in July - Williamsport, MD
  • Average UV index in July: 6

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 cloud cover in July
Williamsport, MD

Average cloud cover in July - Williamsport, MD
  • Average cloud cover in July: 31

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in July
Williamsport, MD

Average visibility in July - Williamsport, MD
  • Average visibility in July: 6mi

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

Williamsport, Maryland, USA

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