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 signals a shift in the average high-temperature, moving from April's fresh 51.4°F (10.8°C) to a comfortable 62.2°F (16.8°C). Ulm reports an average nighttime low-temperature of 41.9°F (5.5°C) in May.Humidity
In May, the average relative humidity in Ulm is 59%.Rainfall
In Ulm, in May, during 15.2 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 112.8 rainfall days, and 12.95" (329mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Ulm. May is the last month it regularly snows in Ulm. During 1.2 snowfall days, in May, Ulm aggregates 0.63" (16mm) of snow. Throughout the year, there are 69.4 snowfall days, and 35.35" (898mm) of snow is accumulated.Daylight
The average length of the day in May in Ulm, Montana, is 15h and 8min.On the first day of the month, sunrise is at 6:07 am and sunset at 8:38 pm. On the last day of May, sunrise is at 5:33 am and sunset at 9:14 pm MDT.
Sunshine
In Ulm, the average sunshine in May is 10.1h.UV index
In Ulm, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the usual temperature for Ulm in May?
What is the average humidity in May in Ulm?
How many days does it rain in May in Ulm?
What is the last month it snows in Ulm?
What is the average length of the day in May in Ulm?
When is the sunrise / sunset in May in Ulm?
How many hours of sunshine does Ulm have in May?
How high is the UV index in May in Ulm?
Average temperature in May
Ulm, MT
- Average high temperature in May: 62.2°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (29.5°F).
- Average low temperature in May: 41.9°F
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is December (17.4°F).
Average pressure in May
Ulm, MT
- Average pressure in May: 29.93"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Ulm, MT
- Average wind speed in May: 8.1mph
The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in May
Ulm, MT
- Average humidity in May: 59%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).
Average rainfall in May
Ulm, MT
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are January and July (0.63").
Average rainfall days in May
Ulm, MT
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in May
Ulm, MT
- Average snowfall in May: 0.63"
The month with the highest snowfall is February (6.34").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Ulm, MT
- Average snowfall days in May: 1.2 days
The month with the highest number of snowfall days is February (14.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Ulm, MT
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 10h and 1min
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 24min).
Average sunshine days in May
Ulm, MT
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in May
Ulm, 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, October, November and December (UV index 2).
Average cloud cover in May
Ulm, MT
- Average cloud cover in May: 34
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in May
Ulm, 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).
Ulm, Montana, USA
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