June weather forecast
Riverton, WY

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Weather in June

In Riverton, June finally brings an end to the rainy season and marks the onset of the warmest part of the year. This change invites the community to partake in a range of outdoor events and activities, from festivals and fairs to outdoor grilling. Dramatically increased daylight illuminates the city for longer, while a decrease in cloud cover guarantees more sunny days. During June, the wind direction changes, adding to Riverton’s lively summer atmosphere. Capturing the spirit of a Wyoming summer, June in Riverton is a bustling, energetic month where the weather encourages community cohesion.

Temperature

As May gives way to June, the average high-temperature in Riverton, Wyoming, displays a considerable increase, soaring from an enjoyable 64.8°F (18.2°C) to a warm 79.3°F (26.3°C). Throughout June nights, a significant departure from daytime temperatures, with an average low of 54.7°F (12.6°C), is recognized.

Humidity

The average relative humidity in June is 36%.

Rainfall

In Riverton, during June, the rain falls for 7.8 days and regularly aggregates up to 0.47" (12mm) of precipitation. Throughout the year, there are 67.3 rainfall days, and 6.93" (176mm) of precipitation is accumulated.

Snowfall

June through August are months without snowfall in Riverton, Wyoming.

Daylight

The month with the longest days in Riverton is June, with an average of 15h and 18min of daylight.
On the first day of June, sunrise is at 5:36 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:56 pm MDT.

Sunshine

In June, the average sunshine in Riverton is 11.9h.

UV index

In June, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during June leads to these advisories:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What are June temperatures in Riverton?

June temperatures in Riverton vary between a high-temperature of 79.3°F (26.3°C) and a low-temperature of 54.7°F (12.6°C).

What is the average humidity in June in Riverton?

In June, the average relative humidity in Riverton, Wyoming, is 36%.

How many days does it rain in June in Riverton?

In June, in Riverton, the rain falls for 7.8 days. Throughout June, 0.47" (12mm) of precipitation is accumulated.

When it does not snow in Riverton?

June through August are months without snowfall in Riverton.

Does it snow in Riverton in June?

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

When are the longest days in Riverton?

June has the longest days of the year in Riverton, with an average of 15h and 18min of daylight.

How many hours of daylight does Riverton have in June?

In Riverton, Wyoming, the average day length in June is 15h and 19min.

What time are sunrise and sunset in June in Riverton?

In June, on the first day of the month, sunrise is at 5:36 am and sunset at 8:46 pm. On the last day of the month, in Riverton, sunrise is at 5:38 am and sunset at 8:56 pm MDT.

How many hours of sunshine does Riverton have in June?

The average sunshine duration in June is 11.9h.

What is the UV index reading in June in Riverton?

In Riverton, the average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high health risk from 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 June
Riverton, WY

Average temperature in June - Riverton, WY
  • Average high temperature in June: 79.3°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (30.9°F).

  • Average low temperature in June: 54.7°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

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Average pressure in June
Riverton, WY

Average pressure in June - Riverton, WY
  • Average pressure in June: 29.89"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in June
Riverton, WY

Average wind speed in June - Riverton, WY
  • Average wind speed in June: 7.5mph

The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).

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Average humidity in June
Riverton, WY

Average humidity in June - Riverton, WY
  • Average humidity in June: 36%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are July and August (31%).

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Average rainfall in June
Riverton, WY

Average rainfall in June - Riverton, WY
  • Average rainfall in June: 0.47"

The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is January (0.24").

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Average rainfall days in June
Riverton, WY

Average rainfall days in June - Riverton, WY
  • Average rainfall days in June: 7.8 days

The month with the highest number of rainy days is May (9.9 days).
The month with the least rainy days is January (2.5 days).

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Average snowfall in June
Riverton, WY

Average snowfall in June - Riverton, WY
  • Average snowfall in June: 0"

The month with the highest snowfall is April (5.39").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in June
Riverton, WY

Average snowfall days in June - Riverton, WY
  • Average snowfall days in June: 0.1 days

The month with the highest number of snowfall days is February (7.8 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
Riverton, WY

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in June: 11h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).

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Average sunshine days in June
Riverton, WY

Average sunshine days in June - Riverton, WY
  • Average sunshine days in June: 18.8 days

The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is April (15.5 days).

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Average UV index in June
Riverton, WY

Average UV index in June - Riverton, WY
  • Average UV index in June: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in June
Riverton, WY

Average cloud cover in June - Riverton, WY
  • Average cloud cover in June: 15

The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in June
Riverton, WY

Average visibility in June - Riverton, 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).

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Riverton, Wyoming, USA

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