Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's arrival signals a temperature shift, moving from a frosty 46.6°F (8.1°C) in April to a refreshing 56.8°F (13.8°C). Melville, during the month of May, experiences an average low-temperature of 37.4°F (3°C).Humidity
The average relative humidity in May is 67%.Rainfall
May is the month with the most rainfall. Rain falls for 19.8 days and accumulates 3.15" (80mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 1.9 snowfall days, in May, Melville aggregates 1.3" (33mm) of snow. In Melville, during the entire year, snow falls for 67.6 days and aggregates up to 38.19" (970mm) of snow.Daylight
The average length of the day in May in Melville is 14h and 59min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:28 pm. On the last day of May, sunrise is at 5:32 am and sunset at 9:03 pm MDT.
Sunshine
The average sunshine in May is 9.9h.UV index
In Melville, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
What is the rainiest month?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Melville have in May?
What is the UV index reading in May?
Average temperature in May
Melville, MT
- Average high temperature in May: 56.8°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in May: 37.4°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).
Average pressure in May
Melville, MT
- Average pressure in May: 29.93"Hg
The months with the highest atmospheric pressure are January and December (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Melville, MT
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in May
Melville, MT
- Average humidity in May: 67%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (47%).
Average rainfall in May
Melville, MT
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in May
Melville, MT
- Average rainfall days in May: 19.8 days
The month with the highest number of rainy days is May (19.8 days).
The months with the least rainy days are January and December (5.3 days).
Average snowfall in May
Melville, MT
- Average snowfall in May: 1.3"
The month with the highest snowfall is March (7.09").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Melville, MT
- Average snowfall days in May: 1.9 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Melville, MT
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 12min).
Average sunshine days in May
Melville, MT
- Average sunshine days in May: 7.7 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in May
Melville, MT
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in May
Melville, MT
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in May
Melville, MT
- 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).
Melville, Montana, USA
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