June weather forecast
Martinsville, MO

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Weather in June

June, the first month of the summer in Martinsville, is a warm month, with an average temperature fluctuating between 64.4°F (18°C) and 81.1°F (27.3°C).

Temperature

June brings a temperature increase, with average high-temperatures moving from May's pleasant 71.1°F (21.7°C) to a moderately hot 81.1°F (27.3°C). During June, Martinsville's temperature falls to a steady low-temperature average of 64.4°F (18°C).

Heat index

For most parts of June, the heat index is estimated at a tropical 87.8°F (31°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

June is the most humid month in Martinsville, Missouri, with an average relative humidity of 81%.

Rainfall

June is the month with the most rainfall. Rain falls for 15.8 days and accumulates 3.86" (98mm) of precipitation.

Snowfall

In Martinsville, 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 June, sunrise is at 5:48 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:50 pm CDT.

Sunshine

The average sunshine in June is 9.9h.

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 hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 6 in June translates into this advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in June?

In Martinsville, 81.1°F (27.3°C) is the average high-temperature and 64.4°F (18°C) is the average low-temperature during June. The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in June is estimated at 87.8°F (31°C).

What is the most humid month?

The most humid month is June, with an average relative humidity of 81%.

What is the average humidity in June?

The average relative humidity in June is 81%.

What is the rainiest month?

June is the month with the most rainfall. Rain falls for 15.8 days and accumulates 3.86" (98mm) of precipitation.

How many days does it rain in June?

In Martinsville, in June, during 15.8 rainfall days, 3.86" (98mm) of precipitation is typically accumulated.

When it does not snow?

In Martinsville, snow does not fall in June through September.

Does it snow in Martinsville in June?

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

When are the longest days?

With an average of 15h and 0min of daylight, June has the longest days of the year in Martinsville, Missouri.

How many hours of daylight does Martinsville have in June?

In Martinsville, the average day length in June is 15h and 0min.

What time are sunrise and sunset in June?

In June, on the first day of the month, sunrise is at 5:48 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:50 pm CDT.

How long on average sun shines in June?

In Martinsville, the average sunshine duration in June is 9.9h.

When is the highest UV index?

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

What is the UV index intensity in June?

In Martinsville, the average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe 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
Martinsville, MO

Average temperature in June - Martinsville, MO
  • Average high temperature in June: 81.1°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in June: 64.4°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 (18.7°F).

Average pressure in June
Martinsville, MO

Average pressure in June - Martinsville, 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
Martinsville, MO

Average wind speed in June - Martinsville, MO
  • Average wind speed in June: 7.6mph

The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in June
Martinsville, MO

Average humidity in June - Martinsville, MO
  • Average humidity in June: 81%

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in June
Martinsville, MO

Average rainfall in June - Martinsville, MO
  • Average rainfall in June: 3.86"

The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are January and February (0.91").

Average rainfall days in June
Martinsville, MO

Average rainfall days in June - Martinsville, MO
  • Average rainfall days in June: 15.8 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (4.1 days).

Average snowfall in June
Martinsville, MO

Average snowfall in June - Martinsville, MO
  • Average snowfall in June: 0"

The month with the highest snowfall is January (3.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Martinsville, MO

Average snowfall days in June - Martinsville, MO
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Martinsville, MO

Average daylight in June / Average sunshine in June - Martinsville, 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: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in June
Martinsville, MO

Average sunshine days in June - Martinsville, MO
  • Average sunshine days in June: 11.6 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in June
Martinsville, MO

Average UV index in June - Martinsville, 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
Martinsville, MO

Average cloud cover in June - Martinsville, MO
  • Average cloud cover in June: 31

The months with the most cloud cover are January and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in June
Martinsville, MO

Average visibility in June - Martinsville, 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).

Martinsville, Missouri, USA

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