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
In Saint Xavier, stepping into May brings a temperature increase, moving up from April's cool 54°F (12.2°C) to an enjoyable 64.2°F (17.9°C). Saint Xavier experiences a consistent average temperature of 44.2°F (6.8°C) throughout the nights in May.Humidity
The average relative humidity in May is 60%.Rainfall
The month with the most rainfall in Saint Xavier is May, when the rain falls for 6.1 days and typically aggregates up to 0.47" (12mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.6 snowfall days, in May, Saint Xavier aggregates 0.04" (1mm) of snow. Throughout the year, there are 23.9 snowfall days, and 6.22" (158mm) of snow is accumulated.Daylight
In May, the average length of the day in Saint Xavier, Montana, is 14h and 55min.On the first day of May in Saint Xavier, sunrise is at 5:57 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:51 pm MDT.
Sunshine
The average sunshine in May in Saint Xavier, Montana, is 10.3h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 in May translates into these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Saint Xavier?
What is the average humidity in May in Saint Xavier?
What is the rainiest month in Saint Xavier?
How many days does it rain in May in Saint Xavier?
What is the last month it snows in Saint Xavier?
How many hours of daylight does Saint Xavier have in May?
When are sunrise and sunset in May in Saint Xavier?
How long on average sun shines in May in Saint Xavier?
How high is the UV index in May in Saint Xavier?
Average temperature in May
Saint Xavier, MT
- Average high temperature in May: 64.2°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in May: 44.2°F
The months with the highest average low temperature are July and August (61.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure in May
Saint Xavier, MT
- Average pressure in May: 29.91"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Saint Xavier, MT
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in May
Saint Xavier, MT
- Average humidity in May: 60%
The months with the highest relative humidity are January and February (76%).
The month with the lowest relative humidity is August (38%).
Average rainfall in May
Saint Xavier, MT
- Average rainfall in May: 0.47"
The wettest month (with the highest rainfall) is May (0.47").
The driest months (with the least rainfall) are January and December (0.12").
Average rainfall days in May
Saint Xavier, MT
- Average rainfall days in May: 6.1 days
The month with the highest number of rainy days is May (6.1 days).
The month with the least rainy days is December (2.2 days).
Average snowfall in May
Saint Xavier, MT
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Saint Xavier, MT
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Saint Xavier, MT
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 10h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in May
Saint Xavier, MT
- Average sunshine days in May: 24 days
The month with the most sunshine days is September (26.8 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in May
Saint Xavier, 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, November and December (UV index 2).
Average cloud cover in May
Saint Xavier, MT
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in May
Saint Xavier, 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).
Saint Xavier, Montana, USA
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