July weather forecast
Newcastle, WY

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Weather in July

Extra sunscreen is a must for July as temperatures reach their zenith. Although an average high of 79.2°F (26.2°C) is recorded this month, the adventures of summer continue given the relatively low humidity. It's noteworthy that July displays the least number of cloudy days, gracing Newcastle with a plethora of sunshine. Long days in the sun pave the way for a host of outdoor recreational activities. With the lowest pressure for the year and minimal cloud cover, stargazing becomes an appealing pastime.

Temperature

July is Newcastle's warmest month, registering average high temperatures of 79.2°F (26.2°C) and lows of 57.7°F (14.3°C).

Humidity

The average relative humidity in July in Newcastle is 55%.

Rainfall

The months with the most rainfall are June and July, with an average 2.68" (68mm) of precipitation.

Snowfall

July and August are months without snowfall.

Daylight

In Newcastle, the average length of the day in July is 15h and 5min.
On the first day of the month, sunrise is at 5:18 am and sunset at 8:42 pm. On the last day of July, in Newcastle, sunrise is at 5:45 am and sunset at 8:21 pm MDT.

Sunshine

In July, the average sunshine is 11.7h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index in Newcastle. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In July, the average maximum UV index of 5 translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What time of the year is the hottest in Newcastle?

In Newcastle, July is the month with the highest recorded average temperatures, measuring a high of 79.2°F (26.2°C) and a low of 57.7°F (14.3°C).

What are the temperatures in Newcastle in July?

July temperatures in Newcastle, Wyoming, vary between a high-temperature of 79.2°F (26.2°C) and a low-temperature of 57.7°F (14.3°C).

What is the average humidity in July in Newcastle?

In July, the average relative humidity in Newcastle, Wyoming, is 55%.

What is the rainiest month in Newcastle?

The wettest months are June and July, with an average 2.68" (68mm) of rainfall.

How much does it rain in Newcastle in July?

In Newcastle, during July, the rain falls for 16.9 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow in Newcastle?

July and August are months without snowfall in Newcastle, Wyoming.

Does it snow in Newcastle in July?

In July, in Newcastle, it doesn't snow. June is the latest month when it typically snows.

What is the average length of the day in July in Newcastle?

In July, the average day length in Newcastle is 15h and 5min.

When are sunrise and sunset in July in Newcastle?

On the first day of July, sunrise is at 5:18 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:21 pm MDT.

How long on average sun shines in July in Newcastle?

The average sunshine duration in July in Newcastle is 11.7h.

When is the highest UV index in Newcastle?

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

How high is the UV index in July in Newcastle?

In July, the average daily maximum UV index in Newcastle, Wyoming, is 5. A UV Index of 3 to 5 symbolizes a medium 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
Newcastle, WY

Average temperature in July - Newcastle, WY
  • Average high temperature in July: 79.2°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.2°F).

  • Average low temperature in July: 57.7°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is February (10.8°F).

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Average pressure in July
Newcastle, WY

Average pressure in July - Newcastle, WY
  • Average pressure in July: 29.89"Hg

The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in July
Newcastle, WY

Average wind speed in July - Newcastle, WY
  • Average wind speed in July: 8.1mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

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Average humidity in July
Newcastle, WY

Average humidity in July - Newcastle, WY
  • Average humidity in July: 55%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (53%).

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Average rainfall in July
Newcastle, WY

Average rainfall in July - Newcastle, WY
  • Average rainfall in July: 2.68"

The wettest months (with the highest rainfall) are June and July (2.68").
The driest month (with the least rainfall) is December (0.67").

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Average rainfall days in July
Newcastle, WY

Average rainfall days in July - Newcastle, WY
  • Average rainfall days in July: 16.9 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (3.7 days).

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Average snowfall in July
Newcastle, WY

Average snowfall in July - Newcastle, WY
  • Average snowfall in July: 0"

The month with the highest snowfall is April (8.82").
The months with the least snowfall are July and August (0").

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Average snowfall days in July
Newcastle, WY

Average snowfall days in July - Newcastle, WY
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in July /
Average sunshine in July
Newcastle, WY

Average daylight in July / Average sunshine in July - Newcastle, WY
  • Average daylight in July: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in July: 11h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

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Average sunshine days in July
Newcastle, WY

Average sunshine days in July - Newcastle, WY
  • Average sunshine days in July: 10.3 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.7 days).

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Average UV index in July
Newcastle, WY

Average UV index in July - Newcastle, WY
  • Average UV index in July: 5

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

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Average cloud cover in July
Newcastle, WY

Average cloud cover in July - Newcastle, WY
  • Average cloud cover in July: 18

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in July
Newcastle, WY

Average visibility in July - Newcastle, WY
  • Average visibility in July: 6mi

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

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Newcastle, Wyoming, USA

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