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
The shift into May is marked by a rise in the average high-temperature, moving from April's wintry 40.3°F (4.6°C) to a cool 52.3°F (11.3°C). The low-temperature average for Norris during May stands at a subzero cold 31.5°F (-0.3°C).Humidity
In May, the average relative humidity is 73%.Rainfall
The month with the most rainfall in Norris is May, when the rain falls for 14.4 days and typically aggregates up to 2.36" (60mm) of precipitation.Snowfall
January through December are months with snowfall in Norris. In Norris, in May, snow falls for 12.8 days, with typically accumulated 9.21" (234mm) of snow. Throughout the year, in Norris, Montana, there are 136.1 snowfall days, and 86.93" (2208mm) of snow is accumulated.Daylight
The average length of the day in May in Norris is 14h and 56min.On the first day of May in Norris, Montana, sunrise is at 6:13 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 9:08 pm MDT.
Sunshine
In Norris, Montana, the average sunshine in May is 9.5h.UV index
The average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 3 during May leads to these instructions:
Guard yourself - Avoiding sunburn is suggested. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What is the temperature in May in Norris?
What is the average humidity in May in Norris?
What is the rainiest month in Norris?
How many days does it rain in May in Norris?
How much does it snow in Norris in May?
What is the average length of the day in May in Norris?
What time are sunrise and sunset in May in Norris?
How long on average sun shines in May in Norris?
What is the UV index reading in May in Norris?
Average temperature in May
Norris, MT
- Average high temperature in May: 52.3°F
The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is December (22.3°F).
- Average low temperature in May: 31.5°F
The month with the highest average low temperature is August (46°F).
The coldest month (with the lowest average low temperature) is December (7.7°F).
Average pressure in May
Norris, MT
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Norris, MT
- Average wind speed in May: 5.2mph
The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Norris, MT
- Average humidity in May: 73%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is August (50%).
Average rainfall in May
Norris, MT
- Average rainfall in May: 2.36"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days in May
Norris, MT
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is November (2.9 days).
Average snowfall in May
Norris, MT
- Average snowfall in May: 9.21"
The month with the highest snowfall is April (14.76").
The month with the least snowfall is August (0.08").
Average snowfall days in May
Norris, MT
- Average snowfall days in May: 12.8 days
The month with the highest number of snowfall days is April (19.9 days).
The month with the least snowfall days is August (0.3 days).
Average daylight in May /
Average sunshine in May
Norris, MT
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 9h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in May
Norris, MT
- Average sunshine days in May: 7.1 days
The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is April (6.9 days).
Average UV index in May
Norris, 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 and February (UV index 1).
Average cloud cover in May
Norris, MT
- Average cloud cover in May: 39
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in May
Norris, MT
- Average visibility in May: 5mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Norris, Montana, USA
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