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's arrival coincides with a temperature rise, moving from April's chilly 48.7°F (9.3°C) to an enjoyable 61°F (16.1°C). Ravalli records a significant temperature drop in May nights, lowering to an average of 36.7°F (2.6°C).Humidity
In May, the average relative humidity in Ravalli, Montana, is 67%.Rainfall
In Ravalli, during May, the rain falls for 14.1 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, in Ravalli, Montana, there are 129.9 rainfall days, and 13.5" (343mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Ravalli. May is the last month it regularly snows. During 0.3 snowfall days, in May, Ravalli aggregates 0.08" (2mm) of snow. Throughout the year, in Ravalli, there are 67.1 snowfall days, and 28.27" (718mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 7min.On the first day of May in Ravalli, Montana, sunrise is at 6:18 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 9:24 pm MDT.
Sunshine
In Ravalli, the average sunshine in May is 10.5h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 4 in May interprets into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the usual temperature for Ravalli in May?
What is the average humidity in May in Ravalli?
How much does it rain in Ravalli in May?
What is the last month it snows in Ravalli?
What is the average length of the day in May in Ravalli?
What time are sunrise and sunset in May in Ravalli?
How long on average sun shines in May in Ravalli?
What is the UV index intensity in May in Ravalli?
Average temperature in May
Ravalli, MT
- Average high temperature in May: 61°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in May: 36.7°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).
Average pressure in May
Ravalli, MT
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Ravalli, MT
- Average wind speed in May: 4.3mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest months (with the lowest average wind speed) are January, August and December (3.9mph).
Average humidity in May
Ravalli, MT
- Average humidity in May: 67%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (49%).
Average rainfall in May
Ravalli, MT
- Average rainfall in May: 1.26"
The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days in May
Ravalli, MT
- Average rainfall days in May: 14.1 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is August (7.4 days).
Average snowfall in May
Ravalli, MT
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Ravalli, MT
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Ravalli, 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 36min).
- Average sunshine in May: 10h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in May
Ravalli, MT
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (11 days).
Average UV index in May
Ravalli, 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 February and December (UV index 1).
Average cloud cover in May
Ravalli, 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 August (Cloud cover 14).
Average visibility in May
Ravalli, MT
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Ravalli, Montana, USA
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