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
Entering May, Dillon sees a temperature rise, with the average high-temperature advancing from April's chilly 44.6°F (7°C) to a moderate 56.3°F (13.5°C). May is noted for a mean low-temperature of 35.2°F (1.8°C).Humidity
In Dillon, the average relative humidity in May is 61%.Rainfall
In May, the rain falls for 15.3 days. Throughout May, 1.26" (32mm) of precipitation is accumulated. Throughout the year, in Dillon, Montana, there are 126.7 rainfall days, and 10.35" (263mm) of precipitation is accumulated.Snowfall
Months with snowfall in Dillon, Montana, are January through June, September through December. In May, in Dillon, it is snowing for 1.9 days. Throughout May, 1.18" (30mm) of snow is accumulated. In Dillon, during the entire year, snow falls for 81.2 days and aggregates up to 29.76" (756mm) of snow.Daylight
In Dillon, the average length of the day in May is 14h and 54min.On the first day of May, sunrise is at 6:17 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 9:10 pm MDT.
Sunshine
In Dillon, the average sunshine in May is 10.9h.UV index
The average daily maximum UV index in May in Dillon is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 4 suggests these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What are the temperatures in Dillon in May?
What is the average humidity in May in Dillon?
How many days does it rain in May in Dillon?
How much does it snow in Dillon in May?
How many hours of daylight does Dillon have in May?
What time are sunrise and sunset in May in Dillon?
How long on average sun shines in May in Dillon?
How high is the UV index in May in Dillon?
Average temperature in May
Dillon, MT
- Average high temperature in May: 56.3°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (25.2°F).
- Average low temperature in May: 35.2°F
The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (10.6°F).
Average pressure in May
Dillon, MT
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Dillon, MT
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is November (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Dillon, MT
- Average humidity in May: 61%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are July and August (45%).
Average rainfall in May
Dillon, MT
- Average rainfall in May: 1.26"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in May
Dillon, MT
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in May
Dillon, MT
- Average snowfall in May: 1.18"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Dillon, MT
- Average snowfall days in May: 1.9 days
The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Dillon, 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: 10h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in May
Dillon, MT
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is July (18.2 days).
The month with the least sunshine days is April (10.1 days).
Average UV index in May
Dillon, MT
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Dillon, MT
- Average cloud cover in May: 28
The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in May
Dillon, MT
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Dillon, Montana, USA
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