June weather forecastHelena, MO
June
Weather in June
June, the first month of the summer in Helena, is a moderately hot month, with an average temperature ranging between max 82.6°F (28.1°C) and min 64.9°F (18.3°C).Temperature
June comes with an increase, with the average high-temperature moving from a pleasant 72.1°F (22.3°C) in May to a warm 82.6°F (28.1°C). In Helena, the average temperature during the nights of June drops to a comfortable 64.9°F (18.3°C).Heat index
Throughout June, the heat index is evaluated at a hot 89.6°F (32°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
June is the most humid month, with an average relative humidity of 79%.Rainfall
In June, in Helena, the rain falls for 16.3 days. Throughout June, 3.78" (96mm) of precipitation is accumulated. In Helena, during the entire year, the rain falls for 132.3 days and collects up to 27.28" (693mm) of precipitation.Snowfall
In Helena, Missouri, snow does not fall in June through September.Daylight
June has the longest days of the year, with an average of 15h and 0min of daylight.On the first day of the month, sunrise is at 5:51 am and sunset at 8:41 pm. On the last day of June, in Helena, Missouri, sunrise is at 5:53 am and sunset at 8:51 pm CDT.
Sunshine
In Helena, the average sunshine in June is 10.1h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 6 during June translates into the following directions:
Shield from overexposure. Defense against sun-related harm is required. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Helena, MO
- Average high temperature in June: 82.6°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in June: 64.9°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in June
Helena, MO
- 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
Helena, MO
- Average wind speed in June: 7.8mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in June
Helena, MO
- Average humidity in June: 79%
The month with the highest relative humidity is June (79%).
The months with the lowest relative humidity are October and November (70%).
Average rainfall in June
Helena, MO
- Average rainfall in June: 3.78"
The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January and February (0.94").
Average rainfall days in June
Helena, MO
- Average rainfall days in June: 16.3 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in June
Helena, MO
- Average snowfall in June: 0"
The month with the highest snowfall is January (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Helena, MO
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Helena, MO
- 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 24min).
- Average sunshine in June: 10h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in June
Helena, MO
- Average sunshine days in June: 10.8 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in June
Helena, MO
- 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
Helena, MO
- Average cloud cover in June: 29
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in June
Helena, MO
- 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).
