June weather forecast
Riverton, IA

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Weather in June

June, the first month of the summer in Riverton, is a moderately hot month, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 64.8°F (18.2°C).

Temperature

In Riverton, the average high-temperature in June increases from an agreeable 71.8°F (22.1°C) in May to a moderately hot 81.9°F (27.7°C). June nights observe an average temperature dip to a refreshing 64.8°F (18.2°C).

Heat index

June's heat index is estimated at a tropical 87.8°F (31°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

The average relative humidity in June is 78%.

Rainfall

June is the month with the most rainfall in Riverton. Rain falls for 15.8 days and accumulates 4.29" (109mm) of precipitation.

Snowfall

In Riverton, Iowa, snow does not fall in May through September.

Daylight

With an average of 15h and 0min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:52 am and sunset at 8:47 pm. On the last day of June, in Riverton, sunrise is at 5:54 am and sunset at 8:57 pm CDT.

Sunshine

In Riverton, the average sunshine in June is 10.2h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Riverton. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 6 during June leads to these instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Riverton in June?

The high-temperature in Riverton, Iowa, during June is 81.9°F (27.7°C) and the low-temperature is 64.8°F (18.2°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in June is estimated at 87.8°F (31°C).

What is the average humidity in June in Riverton?

In Riverton, the average relative humidity in June is 78%.

What is the rainiest month in Riverton?

The month with the most rainfall in Riverton is June, when the rain falls for 15.8 days and typically aggregates up to 4.29" (109mm) of precipitation.

How much does it rain in Riverton in June?

In Riverton, in June, during 15.8 rainfall days, 4.29" (109mm) of precipitation is typically accumulated.

When it does not snow in Riverton?

In Riverton, snow does not fall in May through September.

When are the longest days in Riverton?

The month with the longest days in Riverton is June, with an average of 15h and 0min of daylight.

How many hours of daylight does Riverton have in June?

The average day length in June in Riverton, Iowa, is 15h and 2min.

What time are sunrise and sunset in June in Riverton?

On the first day of June, sunrise is at 5:52 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:57 pm CDT.

How long on average sun shines in June in Riverton?

In June, the average sunshine duration is 10.2h.

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

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

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 of 6 to 7 symbolizes a high health vulnerability 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, IA

Average temperature in June - Riverton, IA
  • Average high temperature in June: 81.9°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in June: 64.8°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in June
Riverton, IA

Average pressure in June - Riverton, IA
  • Average pressure in June: 29.87"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in June
Riverton, IA

Average wind speed in June - Riverton, IA
  • Average wind speed in June: 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 July (6.7mph).

Average humidity in June
Riverton, IA

Average humidity in June - Riverton, IA
  • Average humidity in June: 78%

The months with the highest relative humidity are January and July (79%).
The month with the lowest relative humidity is October (67%).

Average rainfall in June
Riverton, IA

Average rainfall in June - Riverton, IA
  • Average rainfall in June: 4.29"

The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is February (0.71").

Average rainfall days in June
Riverton, IA

Average rainfall days in June - Riverton, IA
  • Average rainfall days in June: 15.8 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3.9 days).

Average snowfall in June
Riverton, IA

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

The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in June
Riverton, IA

Average snowfall days in June - Riverton, IA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Riverton, IA

Average daylight in June / Average sunshine in June - Riverton, IA
  • Average daylight in June: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in June: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in June
Riverton, IA

Average sunshine days in June - Riverton, IA
  • Average sunshine days in June: 11.8 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in June
Riverton, IA

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

The months with the highest UV index are 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 June
Riverton, IA

Average cloud cover in June - Riverton, IA
  • Average cloud cover in June: 29

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in June
Riverton, IA

Average visibility in June - Riverton, IA
  • 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).

Riverton, Iowa, USA

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