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
Florence's transition into May is marked by a rise in the average high-temperature, advancing from a frosty 46°F (7.8°C) in April to a mild 57.7°F (14.3°C). Florence anticipates a considerable daily temperature fluctuation in May, with low temperatures averaging a cold 34.7°F (1.5°C).Humidity
In Florence, the average relative humidity in May is 69%.Rainfall
In May, in Florence, the rain falls for 14.5 days. Throughout May, 1.34" (34mm) of precipitation is accumulated. In Florence, during the entire year, the rain falls for 140.1 days and collects up to 15.16" (385mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Florence. May is the last month it regularly snows. During 1.3 snowfall days, in May, Florence aggregates 0.35" (9mm) of snow. Throughout the year, there are 87.7 snowfall days, and 46.5" (1181mm) of snow is accumulated.Daylight
In May, the average length of the day in Florence is 15h and 3min.On the first day of the month, sunrise is at 6:20 am and sunset at 8:46 pm. On the last day of May, sunrise is at 5:46 am and sunset at 9:21 pm MDT.
Sunshine
The average sunshine in May is 10.4h.UV index
In May, the average daily maximum UV index in Florence is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Florence in May?
What is the average humidity in May in Florence?
How many days does it rain in May in Florence?
What is the last month it snows in Florence?
How many hours of daylight does Florence have in May?
When are sunrise and sunset in May in Florence?
How many hours of sunshine does Florence have in May?
What is the UV index reading in May in Florence?
Average temperature in May
Florence, MT
- Average high temperature in May: 57.7°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in May: 34.7°F
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (16°F).
Average pressure in May
Florence, MT
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Florence, MT
- Average wind speed in May: 4.6mph
The windiest month (with the highest average wind speed) is January (5.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Florence, MT
- Average humidity in May: 69%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (49%).
Average rainfall in May
Florence, MT
- Average rainfall in May: 1.34"
The wettest month (with the highest rainfall) is February (1.93").
The driest months (with the least rainfall) are July and August (0.43").
Average rainfall days in May
Florence, MT
- Average rainfall days in May: 14.5 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in May
Florence, MT
- Average snowfall in May: 0.35"
The month with the highest snowfall is February (11.22").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Florence, MT
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Florence, MT
- Average daylight in May: 15h and 0min
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 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in May
Florence, MT
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in May
Florence, MT
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Florence, MT
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in May
Florence, MT
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Florence, Montana, USA
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