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
Saint Thomas, North Dakota, experiences a noticeable temperature shift with the start of May, with average high-temperatures moving from a frosty 48.9°F (9.4°C) in April to a refreshing 64.6°F (18.1°C). Throughout May, a steady low-temperature average of 47.8°F (8.8°C) is noted.Humidity
In Saint Thomas, the average relative humidity in May is 62%.Rainfall
In Saint Thomas, North Dakota, during May, the rain falls for 13 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 97.8 rainfall days, and 15.83" (402mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.4 snowfall days, in May, Saint Thomas aggregates 0.2" (5mm) of snow. In Saint Thomas, North Dakota, during the entire year, snow falls for 70.4 days and aggregates up to 18.46" (469mm) of snow.Daylight
In Saint Thomas, the average length of the day in May is 15h and 17min.On the first day of May, sunrise is at 6:08 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 9:23 pm CDT.
Sunshine
The average sunshine in May is 8.9h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Saint Thomas have in May?
What is the UV index reading in May?
Average temperature in May
Saint Thomas, ND
- Average high temperature in May: 64.6°F
The warmest month (with the highest average high temperature) is August (80.4°F).
The month with the lowest average high temperature is January (14.7°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (0.9°F).
Average pressure in May
Saint Thomas, ND
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Saint Thomas, ND
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is October (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in May
Saint Thomas, ND
- Average humidity in May: 62%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (59%).
Average rainfall in May
Saint Thomas, ND
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is June (2.8").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in May
Saint Thomas, ND
- Average rainfall days in May: 13 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.6 days).
Average snowfall in May
Saint Thomas, ND
- Average snowfall in May: 0.2"
The month with the highest snowfall is December (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Saint Thomas, ND
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Saint Thomas, ND
- Average daylight in May: 15h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Saint Thomas, ND
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is August (19.8 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in May
Saint Thomas, ND
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in May
Saint Thomas, ND
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in May
Saint Thomas, ND
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Saint Thomas, North Dakota, USA
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