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 beginning of May, Sphinx's average high-temperature sees an increase, transitioning from a cold 40.1°F (4.5°C) in April to a fresh 52°F (11.1°C). During the May nights, an average temperature of 30.6°F (-0.8°C) is observed.Humidity
The average relative humidity in May is 74%.Rainfall
The wettest months are April and May, with an average 2.91" (74mm) of rainfall.Snowfall
January through December are months with snowfall. In Sphinx, Montana, in May, during 13.5 snowfall days, 10.16" (258mm) of snow is typically accumulated. In Sphinx, during the entire year, snow falls for 151.6 days and aggregates up to 124.06" (3151mm) of snow.Daylight
In Sphinx, the average length of the day in May is 14h and 53min.On the first day of May, sunrise is at 6:10 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 9:03 pm MDT.
Sunshine
The average sunshine in May is 9.5h.UV index
In Sphinx, the average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, an average UV index of 3 transforms into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sphinx in May?
What is the average humidity in May?
What is the rainiest month?
How much does it rain in May?
How many days does it snow in May?
How many hours of daylight does Sphinx have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Sphinx have in May?
What is the UV index reading in May?
Average temperature in May
Sphinx, MT
- Average high temperature in May: 52°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is December (22.5°F).
- Average low temperature in May: 30.6°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 (7.9°F).
Average pressure in May
Sphinx, MT
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Sphinx, MT
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Sphinx, MT
- Average humidity in May: 74%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is August (51%).
Average rainfall in May
Sphinx, MT
- Average rainfall in May: 2.91"
The wettest months (with the highest rainfall) are April and May (2.91").
The driest month (with the least rainfall) is July (1.18").
Average rainfall days in May
Sphinx, MT
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in May
Sphinx, MT
- Average snowfall in May: 10.16"
The month with the highest snowfall is April (19.88").
The month with the least snowfall is August (0.08").
Average snowfall days in May
Sphinx, MT
- Average snowfall days in May: 13.5 days
The month with the highest number of snowfall days is March (21 days).
The month with the least snowfall days is August (0.3 days).
Average daylight in May /
Average sunshine in May
Sphinx, 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: 9h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in May
Sphinx, MT
- Average sunshine days in May: 5.7 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is May (5.7 days).
Average UV index in May
Sphinx, MT
- Average UV index in May: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in May
Sphinx, MT
- Average cloud cover in May: 40
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 17).
Average visibility in May
Sphinx, MT
- Average visibility in May: 5mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Sphinx, Montana, USA
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