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
With the onset of May, Fortine's average high-temperature sees a rise, moving from April's frosty 46.4°F (8°C) to a mild 59.7°F (15.4°C). Nighttime temperatures exhibit a substantial dip from daytime highs during May, averaging at a wintry 34.5°F (1.4°C).Humidity
In Fortine, the average relative humidity in May is 69%.Rainfall
In Fortine, during May, the rain falls for 15.2 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 136.3 rainfall days, and 15.35" (390mm) of precipitation is accumulated.Snowfall
Months with snowfall in Fortine are January through May, September through December. May is the last month it regularly snows. During 1.2 snowfall days, in May, Fortine aggregates 0.31" (8mm) of snow. Throughout the year, in Fortine, there are 110.7 snowfall days, and 46.81" (1189mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 17min.On the first day of the month, sunrise is at 6:17 am and sunset at 8:55 pm. On the last day of May, sunrise is at 5:40 am and sunset at 9:33 pm MDT.
Sunshine
In Fortine, the average sunshine in May is 10h.UV index
In Fortine, Montana, 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: In May, a daily maximum UV index of 4 leads to the following instructions:
Act with care - The need to guard against sun damage is communicated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What is the temperature in May in Fortine?
What is the average humidity in May in Fortine?
How much does it rain in Fortine in May?
What is the last month it snows in Fortine?
How many hours of daylight does Fortine have in May?
When are sunrise and sunset in May in Fortine?
How many hours of sunshine does Fortine have in May?
How high is the UV index in May in Fortine?
Average temperature in May
Fortine, MT
- Average high temperature in May: 59.7°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (25.5°F).
- Average low temperature in May: 34.5°F
The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in May
Fortine, 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 (29.91"Hg).
Average wind speed in May
Fortine, MT
- Average wind speed in May: 4.2mph
The windiest month (with the highest average wind speed) is June (4.4mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in May
Fortine, MT
- Average humidity in May: 69%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (55%).
Average rainfall in May
Fortine, MT
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in May
Fortine, MT
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is April (17 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in May
Fortine, MT
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Fortine, MT
- Average snowfall days in May: 1.2 days
The month with the highest number of snowfall days is December (22.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Fortine, MT
- Average daylight in May: 15h and 2min
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 0min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Fortine, MT
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is March (6.3 days).
Average UV index in May
Fortine, 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
Fortine, MT
- Average cloud cover in May: 37
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in May
Fortine, MT
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Fortine, Montana, USA
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