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, Sidney experiences a temperature shift, with the average high-temperature moving from a fresh 52.5°F (11.4°C) in April to a comfortable 65.3°F (18.5°C). Sidney, in May, observes a steady average low-temperature of 46.8°F (8.2°C).Humidity
In Sidney, the average relative humidity in May is 56%.Rainfall
In Sidney, during May, the rain falls for 10.9 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Sidney, during the entire year, the rain falls for 85.7 days and collects up to 8.5" (216mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Sidney. During 0.3 snowfall days, in May, Sidney aggregates 0.12" (3mm) of snow. In Sidney, Montana, during the entire year, snow falls for 56.1 days and aggregates up to 8.94" (227mm) of snow.Daylight
In Sidney, the average length of the day in May is 15h and 10min.On the first day of May, sunrise is at 5:37 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:02 am and sunset at 8:46 pm MDT.
Sunshine
In Sidney, Montana, the average sunshine in May is 10h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 5 in May transforms into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Minimize direct exposure to the Sun during midday when its radiation is at its peak. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the average May temperature in Sidney?
What is the average humidity in May in Sidney?
How much does it rain in Sidney in May?
What is the last month it snows in Sidney?
How many hours of daylight does Sidney have in May?
When is the sunrise / sunset in May in Sidney?
How long on average sun shines in May in Sidney?
How high is the UV index in May in Sidney?
Average temperature in May
Sidney, MT
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in May: 46.8°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in May
Sidney, MT
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in May
Sidney, MT
- Average wind speed in May: 10.4mph
The windiest months (with the highest average wind speed) are April and October (11.1mph).
The calmest month (with the lowest average wind speed) is February (9.2mph).
Average humidity in May
Sidney, MT
- Average humidity in May: 56%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (45%).
Average rainfall in May
Sidney, MT
- Average rainfall in May: 1.22"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in May
Sidney, MT
- Average rainfall days in May: 10.9 days
The month with the highest number of rainy days is June (11.4 days).
The months with the least rainy days are January and February (3.2 days).
Average snowfall in May
Sidney, MT
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Sidney, MT
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sidney, MT
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in May
Sidney, MT
- Average sunshine days in May: 16.8 days
The month with the most sunshine days is September (20.7 days).
The month with the least sunshine days is April (15.8 days).
Average UV index in May
Sidney, 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 and February (UV index 1).
Average cloud cover in May
Sidney, MT
- Average cloud cover in May: 34
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 18).
Average visibility in May
Sidney, 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).
Sidney, Montana, USA
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