May weather forecast
Melstone, MT

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Weather in May

May, the last month of the spring in Melstone, is an enjoyable month, with temperature in the range of an average high of 64.2°F (17.9°C) and an average low of 45.7°F (7.6°C).

Temperature

May comes with an increase, with the average high-temperature moving from a cool 53.8°F (12.1°C) in April to a comfortable 64.2°F (17.9°C). An average nighttime temperature of 45.7°F (7.6°C) is recorded during May.

Humidity

The average relative humidity in May is 56%.

Rainfall

May is the month with the most rainfall. Rain falls for 15.6 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Melstone aggregates 0.87" (22mm) of snow. In Melstone, during the entire year, snow falls for 53.5 days and aggregates up to 18.58" (472mm) of snow.

Daylight

In May, the average length of the day is 15h and 2min.
On the first day of May in Melstone, sunrise is at 5:55 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:56 pm MDT.

Sunshine

In Melstone, the average sunshine in May is 9.8h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 5 in May transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Melstone in May?

Melstone in May has an average high-temperature of 64.2°F (17.9°C) and an average low-temperature of 45.7°F (7.6°C).

What is the average humidity in May?

In May, the average relative humidity is 56%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 15.6 days and typically aggregates up to 1.97" (50mm) of precipitation.

How many days does it rain in May?

In May, the rain falls for 15.6 days. Throughout May, 1.97" (50mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.8 snowfall days, in May, Melstone aggregates 0.87" (22mm) of snow.

How many hours of daylight does Melstone have in May?

In May, the average day length in Melstone is 15h and 2min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:55 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:56 pm MDT.

How many hours of sunshine does Melstone have in May?

The average sunshine duration in May is 9.8h.

What is the UV index intensity in May?

In Melstone, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Melstone, MT

Average temperature in May - Melstone, MT
  • Average high temperature in May: 64.2°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (31.1°F).

  • Average low temperature in May: 45.7°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).

Average pressure in May
Melstone, MT

Average pressure in May - Melstone, MT
  • Average pressure in May: 29.92"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in May
Melstone, MT

Average wind speed in May - Melstone, MT
  • Average wind speed in May: 10.2mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).

Average humidity in May
Melstone, MT

Average humidity in May - Melstone, MT
  • Average humidity in May: 56%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (39%).

Average rainfall in May
Melstone, MT

Average rainfall in May - Melstone, MT
  • Average rainfall in May: 1.97"

The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in May
Melstone, MT

Average rainfall days in May - Melstone, MT
  • Average rainfall days in May: 15.6 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (4.6 days).

Average snowfall in May
Melstone, MT

Average snowfall in May - Melstone, MT
  • Average snowfall in May: 0.87"

The month with the highest snowfall is February (3.78").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Melstone, MT

Average snowfall days in May - Melstone, MT
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Melstone, MT

Average daylight in May / Average sunshine in May - Melstone, MT
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • 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 February and December (Average sunshine: 5h and 12min).

Average sunshine days in May
Melstone, MT

Average sunshine days in May - Melstone, MT
  • Average sunshine days in May: 13.6 days

The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is April (12.8 days).

Average UV index in May
Melstone, MT

Average UV index in May - Melstone, MT
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Melstone, MT

Average cloud cover in May - Melstone, MT
  • Average cloud cover in May: 35

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 16).

Average visibility in May
Melstone, MT

Average visibility in May - Melstone, 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).

Melstone, Montana, USA

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