June weather forecast
Rock River, WY

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Weather in June

The first month of the summer, June, is an agreeable month in Rock River, Wyoming, with an average temperature fluctuating between 48.2°F (9°C) and 71.2°F (21.8°C).

Temperature

Rock River's June weather is characterized by a distinct upsurge in high-temperatures, soaring from May's refreshing 56.5°F (13.6°C) to an agreeable 71.2°F (21.8°C). Compared to daytime temperatures, Rock River's temperature drops significantly, averaging a chilly 48.2°F (9°C) during the nights of June.

Humidity

In June, the average relative humidity in Rock River is 46%.

Rainfall

In Rock River, Wyoming, during June, the rain falls for 13.8 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, there are 101.4 rainfall days, and 14.37" (365mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Rock River, Wyoming, are January through June, September through December. June is the last month it regularly snows in Rock River, Wyoming. During 0.7 snowfall days, in June, Rock River aggregates 1.54" (39mm) of snow. Throughout the year, there are 78.1 snowfall days, and 44.8" (1138mm) of snow is accumulated.

Daylight

The month with the longest days is June, with an average of 15h and 12min of daylight.
On the first day of June, sunrise is at 5:31 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:42 pm MDT.

Sunshine

In June, the average sunshine in Rock River is 11.5h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: During June, 5 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Rock River in June?

The high-temperature, in June, in Rock River, is 71.2°F (21.8°C), while the low-temperature averages to 48.2°F (9°C).

What is the average humidity in June in Rock River?

The average relative humidity in June in Rock River is 46%.

How many days does it rain in June in Rock River?

In Rock River, in June, during 13.8 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

What is the last month it snows in Rock River?

June is the last month it regularly snows. During 0.7 snowfall days, in June, Rock River aggregates 1.54" (39mm) of snow.

When are the longest days in Rock River?

The month with the longest days is June, with an average of 15h and 12min of daylight.

What is the average length of the day in June in Rock River?

In June, the average day length in Rock River is 15h and 10min.

What time are sunrise and sunset in June in Rock River?

On the first day of June in Rock River, Wyoming, sunrise is at 5:31 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:42 pm MDT.

How long on average sun shines in June in Rock River?

In June, the average sunshine duration in Rock River is 11.5h.

What are the months with the highest UV index in Rock River?

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

What is the UV index reading in June in Rock River?

The average daily maximum UV index in June in Rock River is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe 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
Rock River, WY

Average temperature in June - Rock River, WY
  • Average high temperature in June: 71.2°F

The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is December (28.2°F).

  • Average low temperature in June: 48.2°F

The month with the highest average low temperature is July (54.1°F).
The coldest month (with the lowest average low temperature) is December (14.4°F).

Average pressure in June
Rock River, WY

Average pressure in June - Rock River, WY
  • Average pressure in June: 29.88"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in June
Rock River, WY

Average wind speed in June - Rock River, WY
  • Average wind speed in June: 10.9mph

The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest month (with the lowest average wind speed) is July (9.3mph).

Average humidity in June
Rock River, WY

Average humidity in June - Rock River, WY
  • Average humidity in June: 46%

The months with the highest relative humidity are January and February (75%).
The months with the lowest relative humidity are August and September (43%).

Average rainfall in June
Rock River, WY

Average rainfall in June - Rock River, WY
  • Average rainfall in June: 1.54"

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in June
Rock River, WY

Average rainfall days in June - Rock River, WY
  • Average rainfall days in June: 13.8 days

The months with the highest number of rainy days are May and July (15.1 days).
The months with the least rainy days are January, February and November (2.9 days).

Average snowfall in June
Rock River, WY

Average snowfall in June - Rock River, WY
  • Average snowfall in June: 1.54"

The month with the highest snowfall is April (9.76").
The months with the least snowfall are July and August (0").

Average snowfall days in June
Rock River, WY

Average snowfall days in June - Rock River, WY
  • Average snowfall days in June: 0.7 days

The month with the highest number of snowfall days is April (12.5 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in June /
Average sunshine in June
Rock River, WY

Average daylight in June / Average sunshine in June - Rock River, WY
  • Average daylight in June: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in June: 11h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in June
Rock River, WY

Average sunshine days in June - Rock River, WY
  • Average sunshine days in June: 11.3 days

The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is May (8.9 days).

Average UV index in June
Rock River, WY

Average UV index in June - Rock River, 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).

Average cloud cover in June
Rock River, WY

Average cloud cover in June - Rock River, WY
  • Average cloud cover in June: 20

The month with the most cloud cover is February (Cloud cover 34).
The month with the least cloud cover is September (Cloud cover 17).

Average visibility in June
Rock River, WY

Average visibility in June - Rock River, WY
  • Average visibility in June: 6mi

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

Rock River, Wyoming, USA

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