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
In May, the average high-temperature increases from a fresh 52.3°F (11.3°C) in April to an enjoyable 65.8°F (18.8°C). Throughout May, an average low-temperature of 47.3°F (8.5°C) is expected in Lustre.Humidity
The average relative humidity in May is 53%.Rainfall
The month with the most rainfall in Lustre is May, when the rain falls for 13.1 days and typically aggregates up to 1.89" (48mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Lustre. May is the last month it regularly snows. During 0.5 snowfall days, in May, Lustre aggregates 0.28" (7mm) of snow. Throughout the year, there are 63.4 snowfall days, and 17.99" (457mm) of snow is accumulated.Daylight
In Lustre, the average length of the day in May is 15h and 15min.On the first day of May in Lustre, sunrise is at 5:42 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:06 am and sunset at 8:56 pm MDT.
Sunshine
The average sunshine in May in Lustre is 10h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What are the temperatures in Lustre in May?
What is the average humidity in May in Lustre?
What is the wettest month in Lustre?
How much does it rain in Lustre in May?
What is the last month it snows in Lustre?
What is the average length of the day in May in Lustre?
When are sunrise and sunset in May in Lustre?
How many hours of sunshine does Lustre have in May?
What is the UV index reading in May in Lustre?
Average temperature in May
Lustre, MT
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is February (23°F).
- Average low temperature in May: 47.3°F
The month with the highest average low temperature is July (63.7°F).
The coldest months (with the lowest average low temperature) are January and February (10.2°F).
Average pressure in May
Lustre, MT
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in May
Lustre, MT
- Average wind speed in May: 10.6mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).
Average humidity in May
Lustre, MT
- Average humidity in May: 53%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (42%).
Average rainfall in May
Lustre, MT
- Average rainfall in May: 1.89"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in May
Lustre, MT
- Average rainfall days in May: 13.1 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in May
Lustre, MT
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lustre, MT
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is December (13.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Lustre, MT
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in May
Lustre, MT
- Average sunshine days in May: 15.4 days
The month with the most sunshine days is September (21.4 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in May
Lustre, 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
Lustre, MT
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in May
Lustre, 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).
Lustre, Montana, USA
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