May weather forecast
Martinsville, MO

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Weather in May

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

Temperature

Martinsville's May weather indicates a minor increase in high-temperatures, edging from April's refreshing 62.2°F (16.8°C) to an agreeable 71.1°F (21.7°C). The average low-temperature, in May, is a cool 54.1°F (12.3°C).

Humidity

The average relative humidity in May is 80%.

Rainfall

In Martinsville, in May, during 18 rainfall days, 3.62" (92mm) of precipitation is typically accumulated. 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, in May, 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 Martinsville, Missouri, the average length of the day in May is 14h and 26min.
On the first day of May, sunrise is at 6:14 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:40 pm CDT.

Sunshine

In May, the average sunshine is 8.5h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 5 in May translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Martinsville in May?

The average high-temperature, in May, in Martinsville, 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 is 80%.

How many days does it rain in May?

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?

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

What is the average length of the day in May?

In Martinsville, the average day length in May is 14h and 26min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:14 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:40 pm CDT.

How many hours of sunshine does Martinsville have in May?

The average sunshine duration in May is 8.5h.

How high is the UV index in May?

In Martinsville, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Martinsville, MO

Average temperature in May - Martinsville, MO
  • Average high temperature in May: 71.1°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 May: 54.1°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 May
Martinsville, MO

Average pressure in May - Martinsville, MO
  • Average pressure in May: 29.93"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 May
Martinsville, MO

Average wind speed in May - Martinsville, MO
  • Average wind speed in May: 8.1mph

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 May
Martinsville, MO

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 - Martinsville, MO
  • Average rainfall in May: 3.62"

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 May
Martinsville, MO

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 - Martinsville, MO
  • Average snowfall in May: 0.28"

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 May
Martinsville, MO

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).
The 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 / Average sunshine in May - Martinsville, MO
  • Average daylight in May: 14h and 2min

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 May: 8h and 3min

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 May
Martinsville, MO

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

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 May
Martinsville, MO

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

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 May
Martinsville, MO

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