May weather forecast and climate
Martinsville, MO

May, the last month of the spring, in Martinsville, is a pleasant month, with average temperature fluctuating between 71.1°F (21.7°C) and 54.1°F (12.3°C).

Temperature

In May, the average high-temperature slightly increases, from a comfortable 62.2°F (16.8°C) in April, to a pleasant 71.1°F (21.7°C). In May, the average low-temperature is 54.1°F (12.3°C).

Humidity

In May, the average relative humidity is 80%.

Rainfall

In Martinsville, during May, the rain falls for 18 days and regularly aggregates up to 3.62" (92mm) of precipitation. In Martinsville, during the entire year, the rain falls for 129.2 days and collects up to 25.35" (644mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, Martinsville aggregates 0.28" (7mm) of snow. In Martinsville, during the entire year, snow falls for 26.5 days, and aggregates up to 12.64" (321mm) of snow.

Daylight

In May, the average length of the day in Martinsville is 14.4h.

Sunshine

In Martinsville, the average sunshine is 8.5h.

UV index

The average daily maximum UV index in Martinsville, Missouri, is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in May in Martinsville?

The average high-temperature, in May, in Martinsville, Missouri, is 71.1°F (21.7°C), while the average low-temperature is 54.1°F (12.3°C).

What is the average humidity in May in Martinsville?

The average relative humidity in May in Martinsville is 80%.

How many days does it rain in May in Martinsville?

In Martinsville, during May, the rain falls for 18 days and regularly aggregates up to 3.62" (92mm) of precipitation.

What is the last month it snows in Martinsville?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Martinsville aggregates 0.28" (7mm) of snow.

How many hours of daylight does Martinsville have in May?

In Martinsville, Missouri, the average length of the day in May is 14.4h.

How many hours of sunshine does Martinsville have in May?

In May, the average sunshine in Martinsville, Missouri, is 8.5h.

What is the UV index reading in May in Martinsville?

In May, the average daily maximum UV index in Martinsville is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in May - Martinsville, MO
  • Average high temperature in May: 21.7°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 May: 12.3°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 May - Martinsville, MO
  • Average pressure in May: 1013.5mbar

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 May - Martinsville, MO
  • Average wind speed in May: 13.1km/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 May - Martinsville, MO
  • Average humidity in May: 80%

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

Average rainfall in May - Martinsville, MO
  • Average rainfall in May: 92mm

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 May - Martinsville, MO
  • Average rainfall days in May: 18 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 May - Martinsville, MO
  • Average snowfall in May: 7mm

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 May - Martinsville, MO
  • Average snowfall days in May: 0.2 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 May / Average sunshine in May - Martinsville, MO
  • Average daylight in May: 14.4h

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 May: 8.5h

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 May - Martinsville, MO
  • Average sunshine days in May: 10.8 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 May - Martinsville, MO
  • Average UV index in May: 5

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 May - Martinsville, MO
  • Average cloud cover in May: 41

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 May - Martinsville, MO
  • Average visibility in May: 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).