June weather forecast and climate
Martinsville, MO

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

Temperature

In Martinsville, the average high-temperature increases, from a pleasant 71.1°F (21.7°C) in May, to a moderately hot 81.1°F (27.3°C). In June, the average low-temperature is 64.4°F (18°C).

Heat index

The average heat index is estimated at a hot 86.9°F (30.5°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, pregnancy, differences in body mass, height, and shape, and wind affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

With an average relative humidity of 81%, June is the most humid month.

Rainfall

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

Snowfall

June through September are months without snowfall in Martinsville.

Daylight

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

Sunshine

The average sunshine in Martinsville is 9.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Martinsville, Missouri. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in June in Martinsville?

The average high-temperature, in June, in Martinsville, Missouri, is 81.1°F (27.3°C), while the average low-temperature is 64.4°F (18°C). In June, the average heat index (a.k.a. 'real feel', 'feels like'), that takes the relative humidity and factores it into the air temperature reading, is appraised at 86.9°F (30.5°C).

What is the most humid month in Martinsville?

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

What is the average humidity in June in Martinsville?

The average relative humidity in June is 81%.

How much does it rain in Martinsville in June?

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

What is the wettest month in Martinsville?

The month with the most rainfall is June when the rain falls for 15.8 days and typically aggregates up to 3.86" (98mm) of precipitation.

Does it snow in Martinsville in June?

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

When it does not snow in Martinsville?

June through September are months without snowfall.

When are the longest days in Martinsville?

June has the longest days of the year, with an average of 15h of daylight.

What is the average length of the day in June in Martinsville?

In Martinsville, the average length of the day in June is 15h.

How long on average sun shines in June in Martinsville?

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

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

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

What is the UV index intensity in June in Martinsville?

In Martinsville, Missouri, the average daily maximum UV index in June is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in June - Martinsville, MO
  • Average high temperature in June: 27.3°C

The warmest month (with the highest average high temperature) is July (29.2°C).
The month with the lowest average high temperature is January (0.3°C).

  • Average low temperature in June: 18°C

The month with the highest average low temperature is July (19.3°C).
The coldest month (with the lowest average low temperature) is January (-7.4°C).

Average pressure in June - Martinsville, MO
  • Average pressure in June: 1012mbar

The month with the highest atmospheric pressure is January (1021.6mbar).
The month with the lowest atmospheric pressure is June (1012mbar).

Average wind speed in June - Martinsville, MO
  • Average wind speed in June: 12.3km/h

The windiest month (with the highest average wind speed) is March (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

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: 98mm

The wettest month (with the highest rainfall) is June (98mm).
The driest months (with the least rainfall) are January and February (23mm).

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: 0mm

The month with the highest snowfall is January (92mm).
Months with the least snowfall are June, July, August and September (0mm).

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).
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: 15h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in June: 9.9h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4.6h).

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: 6

Months with the highest UV index are June, July and August (UV index 6).
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: 31

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: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).