May weather forecast
Sula, MT

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Weather in May

May, the last month of the spring in Sula, is a mild month, with an average temperature fluctuating between 32.4°F (0.2°C) and 55.8°F (13.2°C).

Temperature

The shift into May is marked by a rise in the average high-temperature, moving from April's frosty 42.8°F (6°C) to a mild 55.8°F (13.2°C). Against the backdrop of high daytime temperatures, an average low-temperature of 32.4°F (0.2°C) is noted during May nights in Sula.

Humidity

In Sula, Montana, the average relative humidity in May is 69%.

Rainfall

In Sula, during May, the rain falls for 11.3 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 93.6 rainfall days, and 15.43" (392mm) of precipitation is accumulated.

Snowfall

January through December are months with snowfall in Sula, Montana. In Sula, in May, snow falls for 8.3 days, with typically accumulated 7.01" (178mm) of snow. In Sula, during the entire year, snow falls for 129.3 days and aggregates up to 94.92" (2411mm) of snow.

Daylight

In Sula, the average length of the day in May is 14h and 58min.
On the first day of May in Sula, sunrise is at 6:21 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 9:18 pm MDT.

Sunshine

The average sunshine in May is 10.4h.

UV index

In May, the average daily maximum UV index in Sula is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 3 during May leads to these instructions:
Guard yourself - Avoiding sunburn is suggested. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Sula in May?

In May, the average high-temperature and low-temperature are 55.8°F (13.2°C) and 32.4°F (0.2°C) respectively.

What is the average humidity in May in Sula?

In Sula, the average relative humidity in May is 69%.

How many days does it rain in May in Sula?

In Sula, Montana, during May, the rain falls for 11.3 days and regularly aggregates up to 1.57" (40mm) of precipitation.

How many days does it snow in May in Sula?

In Sula, in May, snow falls for 8.3 days, with typically accumulated 7.01" (178mm) of snow.

What is the average length of the day in May in Sula?

In May, the average day length in Sula is 14h and 58min.

What time are sunrise and sunset in May in Sula?

On the first day of May in Sula, Montana, sunrise is at 6:21 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 9:18 pm MDT.

How many hours of sunshine does Sula have in May?

The average sunshine duration in May is 10.4h.

What is the UV index reading in May in Sula?

In May, the average daily maximum UV index in Sula, Montana, is 3. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Sula, MT

Average temperature in May - Sula, MT
  • Average high temperature in May: 55.8°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is December (24.1°F).

  • Average low temperature in May: 32.4°F

The month with the highest average low temperature is August (45.3°F).
The coldest month (with the lowest average low temperature) is December (9.5°F).

Average pressure in May
Sula, MT

Average pressure in May - Sula, MT
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Sula, MT

Average wind speed in May - Sula, MT
  • Average wind speed in May: 4.6mph

The windiest month (with the highest average wind speed) is November (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in May
Sula, MT

Average humidity in May - Sula, MT
  • Average humidity in May: 69%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (48%).

Average rainfall in May
Sula, MT

Average rainfall in May - Sula, MT
  • Average rainfall in May: 1.57"

The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is August (0.39").

Average rainfall days in May
Sula, MT

Average rainfall days in May - Sula, MT
  • Average rainfall days in May: 11.3 days

The month with the highest number of rainy days is June (11.7 days).
The months with the least rainy days are January, August and December (5.2 days).

Average snowfall in May
Sula, MT

Average snowfall in May - Sula, MT
  • Average snowfall in May: 7.01"

The month with the highest snowfall is February (14.8").
The month with the least snowfall is July (0.12").

Average snowfall days in May
Sula, MT

Average snowfall days in May - Sula, MT
  • Average snowfall days in May: 8.3 days

The month with the highest number of snowfall days is March (20.3 days).
The month with the least snowfall days is July (0.2 days).

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

Average daylight in May / Average sunshine in May - Sula, 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: 10h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

Average sunshine days in May
Sula, MT

Average sunshine days in May - Sula, MT
  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is March (8.8 days).

Average UV index in May
Sula, MT

Average UV index in May - Sula, MT
  • Average UV index in May: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in May
Sula, MT

Average cloud cover in May - Sula, MT
  • Average cloud cover in May: 32

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in May
Sula, MT

Average visibility in May - Sula, MT
  • Average visibility in May: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

Sula, Montana, USA

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