May weather forecastGarneill, MT
May
Weather in May
May, the last month of the spring in Garneill, is a mild month, with an average temperature ranging between min 39.7°F (4.3°C) and max 59.4°F (15.2°C).Temperature
Garneill's transition into May sees a rise in the average high-temperature, advancing from a chilly 49.3°F (9.6°C) in April to a mild 59.4°F (15.2°C). The average temperature in Garneill drops to an icy 39.7°F (4.3°C) during the night in the month of May.Humidity
In Garneill, the average relative humidity in May is 62%.Rainfall
The month with the most rainfall in Garneill is May, when the rain falls for 18.7 days and typically aggregates up to 2.4" (61mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows in Garneill, Montana. During 2.5 snowfall days, in May, Garneill aggregates 1.18" (30mm) of snow. In Garneill, during the entire year, snow falls for 72.8 days and aggregates up to 33.5" (851mm) of snow.Daylight
In Garneill, the average length of the day in May is 15h and 4min.On the first day of May, sunrise is at 6:02 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 9:04 pm MDT.
Sunshine
In Garneill, the average sunshine in May is 10.5h.UV index
In Garneill, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 4 in May translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Garneill, MT
- Average high temperature in May: 59.4°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in May: 39.7°F
The months with the highest average low temperature are July and August (54.3°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).
Average pressure in May
Garneill, MT
- Average pressure in May: 29.93"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Garneill, MT
- Average wind speed in May: 7.9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Garneill, MT
- Average humidity in May: 62%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (45%).
Average rainfall in May
Garneill, MT
- Average rainfall in May: 2.4"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in May
Garneill, MT
- Average rainfall days in May: 18.7 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and December (7.2 days).
Average snowfall in May
Garneill, MT
- Average snowfall in May: 1.18"
The month with the highest snowfall is April (6.61").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Garneill, MT
- Average snowfall days in May: 2.5 days
The month with the highest number of snowfall days is February (14.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Garneill, MT
- Average daylight in May: 15h and 6min
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 30min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in May
Garneill, MT
- Average sunshine days in May: 9.2 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is April (9 days).
Average UV index in May
Garneill, 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, November and December (UV index 2).
Average cloud cover in May
Garneill, MT
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in May
Garneill, 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).
