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
As May begins, there is an increase in the average high-temperature, moving from a cool 53.8°F (12.1°C) in April to a comfortable 64°F (17.8°C). Throughout the month of May, Stacey observes an average nighttime temperature of 44.2°F (6.8°C).Humidity
In Stacey, the average relative humidity in May is 60%.Rainfall
The month with the most rainfall is May, when the rain falls for 16.8 days and typically aggregates up to 2.56" (65mm) of precipitation.Snowfall
Months with snowfall in Stacey are January through June, September through December. In May, in Stacey, it is snowing for 1.3 days. Throughout May, 0.55" (14mm) of snow is accumulated. In Stacey, during the entire year, snow falls for 55.2 days and aggregates up to 23.5" (597mm) of snow.Daylight
In May, the average length of the day is 14h and 57min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:11 pm. On the last day of May, in Stacey, sunrise is at 5:17 am and sunset at 8:45 pm MDT.
Sunshine
In May, the average sunshine is 9.9h.UV index
In Stacey, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In May, an average UV index of 5 transforms into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Stacey in May?
What is the average humidity in May in Stacey?
What is the rainiest month in Stacey?
How much does it rain in Stacey in May?
How much does it snow in Stacey in May?
What is the average length of the day in May in Stacey?
When are sunrise and sunset in May in Stacey?
How long on average sun shines in May in Stacey?
What is the UV index intensity in May in Stacey?
Average temperature in May
Stacey, MT
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in May: 44.2°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in May
Stacey, MT
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Stacey, MT
- Average wind speed in May: 9.6mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in May
Stacey, MT
- Average humidity in May: 60%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (42%).
Average rainfall in May
Stacey, MT
- Average rainfall in May: 2.56"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in May
Stacey, MT
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in May
Stacey, MT
- Average snowfall in May: 0.55"
The month with the highest snowfall is February (4.33").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Stacey, MT
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Stacey, MT
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in May
Stacey, MT
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in May
Stacey, 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, February, March, April, November and December (UV index 2).
Average cloud cover in May
Stacey, MT
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in May
Stacey, 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).
Stacey, Montana, USA
Weather forecast for your location
2. Allow the app to use your location