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 start of May signals an increase in the average high-temperature, moving from a chilly 47.7°F (8.7°C) in April to a refreshing 60.3°F (15.7°C). Frenchtown witnesses a consistent, sharp contrast from the daytime highs, with an average low-temperature of 34.2°F (1.2°C) throughout May.Humidity
In Frenchtown, the average relative humidity in May is 69%.Rainfall
In Frenchtown, in May, during 18.7 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 162.6 rainfall days, and 20.12" (511mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 1.8 snowfall days, in May, Frenchtown aggregates 0.51" (13mm) of snow. In Frenchtown, during the entire year, snow falls for 98.8 days and aggregates up to 55.2" (1402mm) of snow.Daylight
The average length of the day in May is 15h and 5min.On the first day of May, sunrise is at 6:19 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 9:23 pm MDT.
Sunshine
In May, the average sunshine is 10h.UV index
In Frenchtown, 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 radiation for the average person.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. 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
What is the usual temperature for Frenchtown in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Frenchtown have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Frenchtown, MT
- Average high temperature in May: 60.3°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (28°F).
- Average low temperature in May: 34.2°F
The month with the highest average low temperature is August (46.4°F).
The coldest month (with the lowest average low temperature) is December (15.3°F).
Average pressure in May
Frenchtown, MT
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Frenchtown, MT
- Average wind speed in May: 4.5mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in May
Frenchtown, MT
- Average humidity in May: 69%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in May
Frenchtown, MT
- Average rainfall in May: 2.05"
The wettest month (with the highest rainfall) is April (2.44").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in May
Frenchtown, MT
- Average rainfall days in May: 18.7 days
The month with the highest number of rainy days is April (20 days).
The months with the least rainy days are July and August (8.4 days).
Average snowfall in May
Frenchtown, MT
- Average snowfall in May: 0.51"
The month with the highest snowfall is February (12.91").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Frenchtown, MT
- Average snowfall days in May: 1.8 days
The month with the highest number of snowfall days is February (19.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Frenchtown, MT
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in May
Frenchtown, MT
- Average sunshine days in May: 9.2 days
The month with the most sunshine days is July (20.3 days).
The month with the least sunshine days is March (6.6 days).
Average UV index in May
Frenchtown, 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 January, February, November and December (UV index 1).
Average cloud cover in May
Frenchtown, MT
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in May
Frenchtown, MT
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Frenchtown, Montana, USA
Weather forecast for your location
2. Allow the app to use your location