May weather forecastFairview, MT
May
Weather in May
May, the last month of the spring in Fairview, is a comfortable month, with an average temperature ranging between max 65.3°F (18.5°C) and min 46.8°F (8.2°C).Temperature
May brings a temperature increase, with average high-temperatures moving from April's fresh 52.5°F (11.4°C) to an enjoyable 65.3°F (18.5°C). May nights observe an average temperature dip to a frosty 46.8°F (8.2°C).Humidity
The average relative humidity in May is 56%.Rainfall
In Fairview, in May, during 10.9 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Fairview, Montana, during the entire year, the rain falls for 85.7 days and collects up to 8.5" (216mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Fairview. May is the last month it regularly snows. During 0.3 snowfall days, in May, Fairview aggregates 0.12" (3mm) of snow. Throughout the year, there are 56.1 snowfall days, and 8.94" (227mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 11min.On the first day of May, sunrise is at 5:36 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:01 am and sunset at 8:46 pm MDT.
Sunshine
The average sunshine in May is 10h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 during May leads to these advisories:
Put precautions into practice - Ensuring skin and eye safety is a necessity. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Fairview, MT
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in May: 46.8°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in May
Fairview, MT
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in May
Fairview, MT
- Average wind speed in May: 10.4mph
The windiest months (with the highest average wind speed) are April and October (11.1mph).
The calmest month (with the lowest average wind speed) is February (9.2mph).
Average humidity in May
Fairview, MT
- Average humidity in May: 56%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (45%).
Average rainfall in May
Fairview, MT
- Average rainfall in May: 1.22"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in May
Fairview, MT
- Average rainfall days in May: 10.9 days
The month with the highest number of rainy days is June (11.4 days).
The months with the least rainy days are January and February (3.2 days).
Average snowfall in May
Fairview, MT
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Fairview, MT
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Fairview, MT
- Average daylight in May: 15h and 12min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- 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 February (Average sunshine: 4h and 18min).
Average sunshine days in May
Fairview, MT
- Average sunshine days in May: 16.8 days
The month with the most sunshine days is September (20.7 days).
The month with the least sunshine days is April (15.8 days).
Average UV index in May
Fairview, MT
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in May
Fairview, MT
- Average cloud cover in May: 34
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 18).
Average visibility in May
Fairview, 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).





