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 arrives, Roberts's weather shows an increase in high-temperatures, moving from April's fresh 51.3°F (10.7°C) to an enjoyable 61°F (16.1°C). Throughout May, the average low-temperature in Roberts records at a wintry 41.4°F (5.2°C).Humidity
In Roberts, Montana, the average relative humidity in May is 62%.Rainfall
The month with the most rainfall in Roberts, Montana, is May, when the rain falls for 16.3 days and typically aggregates up to 2.09" (53mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Roberts, in May, during 2.4 snowfall days, 2.83" (72mm) of snow is typically accumulated. In Roberts, during the entire year, snow falls for 61.5 days and aggregates up to 41.77" (1061mm) of snow.Daylight
In May, the average length of the day is 14h and 55min.On the first day of the month, sunrise is at 6:03 am and sunset at 8:23 pm. On the last day of May, sunrise is at 5:31 am and sunset at 8:57 pm MDT.
Sunshine
The average sunshine in May is 10.5h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Roberts?
What is the average humidity in May in Roberts?
What is the wettest month in Roberts?
How much does it rain in Roberts in May?
How many days does it snow in May in Roberts?
How many hours of daylight does Roberts have in May?
What time are sunrise and sunset in May in Roberts?
How many hours of sunshine does Roberts have in May?
How high is the UV index in May in Roberts?
Average temperature in May
Roberts, MT
- Average high temperature in May: 61°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (30.7°F).
- Average low temperature in May: 41.4°F
The months with the highest average low temperature are July and August (57.2°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).
Average pressure in May
Roberts, MT
- Average pressure in May: 29.93"Hg
The months with the highest atmospheric pressure are January and December (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Roberts, MT
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in May
Roberts, MT
- Average humidity in May: 62%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (41%).
Average rainfall in May
Roberts, MT
- Average rainfall in May: 2.09"
The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in May
Roberts, MT
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4 days).
Average snowfall in May
Roberts, MT
- Average snowfall in May: 2.83"
The month with the highest snowfall is February (6.81").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Roberts, MT
- Average snowfall days in May: 2.4 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Roberts, 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 3min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in May
Roberts, MT
- Average sunshine days in May: 10.5 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in May
Roberts, MT
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Roberts, MT
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in May
Roberts, 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).
Roberts, Montana, USA
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