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, a rise in the average high-temperature is observed, moving from a fresh 55.2°F (12.9°C) in April to a comfortable 66.4°F (19.1°C). Hathaway observes an average low-temperature of 47.7°F (8.7°C) during May nights.Humidity
In Hathaway, the average relative humidity in May is 54%.Rainfall
May is the month with the most rainfall. Rain falls for 13.9 days and accumulates 1.93" (49mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Hathaway. May is the last month it regularly snows. During 0.7 snowfall days, in May, Hathaway aggregates 0.59" (15mm) of snow. Throughout the year, there are 56.9 snowfall days, and 18.19" (462mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 1min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:14 pm. On the last day of May, sunrise is at 5:16 am and sunset at 8:48 pm MDT.
Sunshine
In Hathaway, the average sunshine in May is 10h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Hathaway?
What is the average humidity in May?
What is the rainiest month?
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?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Hathaway, MT
- Average high temperature in May: 66.4°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 47.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in May
Hathaway, MT
- Average pressure in May: 29.91"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in May
Hathaway, MT
- Average wind speed in May: 10.6mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is February (9.3mph).
Average humidity in May
Hathaway, MT
- Average humidity in May: 54%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (39%).
Average rainfall in May
Hathaway, MT
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is May (1.93").
The driest months (with the least rainfall) are November and December (0.55").
Average rainfall days in May
Hathaway, MT
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is December (4 days).
Average snowfall in May
Hathaway, MT
- Average snowfall in May: 0.59"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hathaway, MT
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Hathaway, MT
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in May
Hathaway, MT
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is September (20.2 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in May
Hathaway, MT
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Hathaway, MT
- Average cloud cover in May: 34
The months with the most cloud cover are February and December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in May
Hathaway, 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).
Hathaway, Montana, USA
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