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 in Polson witnesses an increase in the average high-temperature, moving from a chilly 48.7°F (9.3°C) in April to a mild 60.4°F (15.8°C). In the face of high daytime temperatures, Polson witnesses a consistent average nighttime low of 36.9°F (2.7°C) during May.Humidity
In Polson, the average relative humidity in May is 67%.Rainfall
In Polson, in May, it is raining for 15.4 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, in Polson, there are 160.2 rainfall days, and 18.11" (460mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows in Polson. During 0.7 snowfall days, in May, Polson aggregates 0.2" (5mm) of snow. Throughout the year, there are 99 snowfall days, and 47.28" (1201mm) of snow is accumulated.Daylight
In Polson, the average length of the day in May is 15h and 10min.On the first day of May in Polson, sunrise is at 6:17 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 9:26 pm MDT.
Sunshine
In Polson, the average sunshine in May is 10.5h.UV index
In Polson, Montana, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Guard yourself - Avoiding sunburn is suggested. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Polson?
What is the average humidity in May in Polson?
How many days does it rain in May in Polson?
What is the last month it snows in Polson?
What is the average length of the day in May in Polson?
When is the sunrise / sunset in May in Polson?
How long on average sun shines in May in Polson?
What is the UV index reading in May in Polson?
Average temperature in May
Polson, MT
- Average high temperature in May: 60.4°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in May: 36.9°F
The months with the highest average low temperature are July and August (48.9°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).
Average pressure in May
Polson, MT
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Polson, MT
- Average wind speed in May: 4.4mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in May
Polson, 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 (51%).
Average rainfall in May
Polson, MT
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.55").
Average rainfall days in May
Polson, MT
- Average rainfall days in May: 15.4 days
The months with the highest number of rainy days are March and April (18.8 days).
The month with the least rainy days is August (7 days).
Average snowfall in May
Polson, MT
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (10.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Polson, MT
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is December (19.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Polson, 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 30min).
- Average sunshine in May: 10h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Polson, MT
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is July (21.3 days).
The month with the least sunshine days is March (6.4 days).
Average UV index in May
Polson, MT
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Polson, MT
- Average cloud cover in May: 32
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in May
Polson, 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).
Polson, Montana, USA
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