May weather forecastWhitlash, MT
May
Weather in May
May, the last month of the spring in Whitlash, is an enjoyable month, with an average temperature varying between 63.1°F (17.3°C) and 45.1°F (7.3°C).Temperature
The arrival of May brings a temperature shift, with the average high-temperature escalating from a fresh 52.5°F (11.4°C) in April to a comfortable 63.1°F (17.3°C). During the nights in May, Whitlash experiences a consistent average temperature of 45.1°F (7.3°C).Humidity
In May, the average relative humidity is 53%.Rainfall
In Whitlash, in May, during 12.4 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In Whitlash, during the entire year, the rain falls for 77.5 days and collects up to 6.5" (165mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.7 snowfall days, in May, Whitlash aggregates 0.35" (9mm) of snow. Throughout the year, there are 38 snowfall days, and 8.78" (223mm) of snow is accumulated.Daylight
In Whitlash, the average length of the day in May is 15h and 19min.On the first day of May, sunrise is at 6:02 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 9:19 pm MDT.
Sunshine
In Whitlash, the average sunshine in May is 10.4h.UV index
In Whitlash, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 in May interprets into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Whitlash, MT
- Average high temperature in May: 63.1°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in May: 45.1°F
The month with the highest average low temperature is August (60.3°F).
The coldest months (with the lowest average low temperature) are February and December (16.2°F).
Average pressure in May
Whitlash, MT
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Whitlash, MT
- Average wind speed in May: 9.9mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in May
Whitlash, MT
- Average humidity in May: 53%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).
Average rainfall in May
Whitlash, MT
- Average rainfall in May: 1.06"
The wettest month (with the highest rainfall) is June (1.54").
The driest months (with the least rainfall) are January and December (0.16").
Average rainfall days in May
Whitlash, MT
- Average rainfall days in May: 12.4 days
The month with the highest number of rainy days is May (12.4 days).
The months with the least rainy days are January and February (2.1 days).
Average snowfall in May
Whitlash, MT
- Average snowfall in May: 0.35"
The month with the highest snowfall is April (1.65").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Whitlash, MT
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is December (6.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Whitlash, MT
- Average daylight in May: 15h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in May: 10h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in May
Whitlash, MT
- Average sunshine days in May: 16.3 days
The months with the most sunshine days are January and December (23.9 days).
The months with the least sunshine days are May and June (16.3 days).
Average UV index in May
Whitlash, 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, March, October, November and December (UV index 2).
Average cloud cover in May
Whitlash, MT
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in May
Whitlash, 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).





