May weather forecastEnnis, MT
May
Weather in May
May sees a continued upward trajectory in temperature, marking a clear departure from the chilly climes of April. The weather is a mix of remaining spring chill and upcoming summer warmth. With rainfall somewhat less than that in April, conditions are favourable for outdoor activities. The landscape starts to lose its wintry look and dons a more vibrant, green hue. This period is much appreciated by locals and visitors alike, who take advantage of the better weather and blooming nature.Temperature
May's arrival brings a change in high-temperatures, moving from a wintry 40.3°F (4.6°C) in April to a fresh 52.3°F (11.3°C). Throughout the nights in May, an average low-temperature of 31.5°F (-0.3°C) is noted.Humidity
The average relative humidity in May is 73%.Rainfall
The month with the most rainfall in Ennis 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 Ennis, in May, snow falls for 12.8 days, with typically accumulated 9.21" (234mm) of snow. Throughout the year, there are 136.1 snowfall days, and 86.93" (2208mm) of snow is accumulated.Daylight
In Ennis, the average length of the day in May is 14h and 55min.On the first day of May, sunrise is at 6:13 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 9:07 pm MDT.
Sunshine
The average sunshine in May in Ennis is 9.5h.UV index
In Ennis, the average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 3 in May translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ennis, 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
Ennis, 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
Ennis, 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
Ennis, 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
Ennis, 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
Ennis, 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
Ennis, 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
Ennis, 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
Ennis, MT
- Average daylight in May: 14h and 54min
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 30min
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
Ennis, 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
Ennis, 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
Ennis, 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
Ennis, 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).
