June weather forecast
Newcastle, WY

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Weather in June

June marks the beginning of summer and Newcastle welcomes higher temperatures and extended daylight hours, invoking lively energy across the city. Humidity falls, making the weather relatively comfortable despite the temperature rise. Breaking away from the snowy past, June reports only 0.12" (3mm) of snowfall. Picnics in parks or summer festivals become common attractions during this balmy period. Revel in the cloudless skies as Newcastle summers are known to be quite dry.

Temperature

With the onset of June, Newcastle's average high-temperature experiences a rise, moving from May's refreshing 58.1°F (14.5°C) to an agreeable 70.9°F (21.6°C). June nights cool down to an average low-temperature of 50.7°F (10.4°C).

Humidity

In Newcastle, the average relative humidity in June is 62%.

Rainfall

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

Snowfall

Months with snowfall in Newcastle, Wyoming, are January through June, September through December. June is the last month it regularly snows in Newcastle. During 0.1 snowfall days, in June, Newcastle aggregates 0.12" (3mm) of snow. Throughout the year, in Newcastle, there are 80.3 snowfall days, and 41.38" (1051mm) of snow is accumulated.

Daylight

The month with the longest days is June, with an average of 15h and 24min of daylight.
On the first day of the month, sunrise is at 5:16 am and sunset at 8:32 pm. On the last day of June, in Newcastle, sunrise is at 5:18 am and sunset at 8:43 pm MDT.

Sunshine

The average sunshine in June is 11.3h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 5 in June interprets into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

What are the temperatures in Newcastle in June?

The average high-temperature, in June, in Newcastle, is 70.9°F (21.6°C), while the average low-temperature is 50.7°F (10.4°C).

What is the average humidity in June in Newcastle?

In Newcastle, the average relative humidity in June is 62%.

What is the rainiest month in Newcastle?

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

How much does it rain in Newcastle in June?

In Newcastle, in June, it is raining for 17.9 days, with typically 2.68" (68mm) of accumulated precipitation.

What is the last month it snows in Newcastle?

June is the last month it regularly snows in Newcastle, Wyoming. During 0.1 snowfall days, in June, Newcastle aggregates 0.12" (3mm) of snow.

When are the longest days in Newcastle?

The month with the longest days in Newcastle, Wyoming, is June, with an average of 15h and 24min of daylight.

How many hours of daylight does Newcastle have in June?

The average day length in June in Newcastle is 15h and 25min.

When are sunrise and sunset in June in Newcastle?

In June, on the first day of the month, sunrise is at 5:16 am and sunset at 8:32 pm. On the last day of the month, in Newcastle, sunrise is at 5:18 am and sunset at 8:43 pm MDT.

How many hours of sunshine does Newcastle have in June?

The average sunshine duration in June is 11.3h.

What is the month with the highest UV index in Newcastle?

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

What is the UV index reading in June in Newcastle?

In Newcastle, the average daily maximum UV index in June is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Newcastle, WY

Average temperature in June - Newcastle, WY
  • Average high temperature in June: 70.9°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 June: 50.7°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 June
Newcastle, WY

Average pressure in June - Newcastle, WY
  • Average pressure in June: 29.84"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 June
Newcastle, WY

Average wind speed in June - Newcastle, WY
  • Average wind speed in June: 9.1mph

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 June
Newcastle, WY

Average humidity in June - Newcastle, WY
  • Average humidity in June: 62%

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 June
Newcastle, WY

Average rainfall in June - Newcastle, WY
  • Average rainfall in June: 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 June
Newcastle, WY

Average rainfall days in June - Newcastle, WY
  • Average rainfall days in June: 17.9 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 June
Newcastle, WY

Average snowfall in June - Newcastle, WY
  • Average snowfall in June: 0.12"

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 June
Newcastle, WY

Average snowfall days in June - Newcastle, WY
  • Average snowfall days in June: 0.1 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 June /
Average sunshine in June
Newcastle, WY

Average daylight in June / Average sunshine in June - Newcastle, WY
  • Average daylight in June: 15h and 2min

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 June: 11h and 2min

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 June
Newcastle, WY

Average sunshine days in June - Newcastle, WY
  • Average sunshine days in June: 9.7 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 June
Newcastle, WY

Average UV index in June - Newcastle, WY
  • Average UV index in June: 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 June
Newcastle, WY

Average cloud cover in June - Newcastle, WY
  • Average cloud cover in June: 23

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 June
Newcastle, WY

Average visibility in June - Newcastle, WY
  • Average visibility in June: 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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