May weather forecastHighwood, MT
May
Weather in May
The last month of the spring, May, is a comfortable month in Highwood, Montana, with an average temperature ranging between min 44.2°F (6.8°C) and max 63°F (17.2°C).Temperature
May's arrival coincides with a rise in the average high-temperature, moving from April's cool 53.2°F (11.8°C) to an enjoyable 63°F (17.2°C). Highwood, in May, witnesses an average low-temperature of 44.2°F (6.8°C).Humidity
The average relative humidity in May is 57%.Rainfall
In May, the rain falls for 15.6 days. Throughout May, 2.01" (51mm) of precipitation is accumulated. Throughout the year, there are 119.1 rainfall days, and 13.43" (341mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Highwood. May is the last month it regularly snows. During 0.4 snowfall days, in May, Highwood aggregates 0.2" (5mm) of snow. Throughout the year, in Highwood, there are 58.3 snowfall days, and 29.37" (746mm) of snow is accumulated.Daylight
In Highwood, Montana, the average length of the day in May is 15h and 10min.On the first day of May in Highwood, sunrise is at 6:04 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 9:12 pm MDT.
Sunshine
The average sunshine in May in Highwood is 10.4h.UV index
In Highwood, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 4 in May translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Highwood, MT
- Average high temperature in May: 63°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (29.8°F).
- Average low temperature in May: 44.2°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.1°F).
Average pressure in May
Highwood, MT
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Highwood, MT
- Average wind speed in May: 9.3mph
The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in May
Highwood, MT
- Average humidity in May: 57%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (39%).
Average rainfall in May
Highwood, MT
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in May
Highwood, MT
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in May
Highwood, MT
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Highwood, MT
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is February (12.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Highwood, MT
- Average daylight in May: 15h and 12min
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 24min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).
Average sunshine days in May
Highwood, MT
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in May
Highwood, MT
- Average UV index in May: 4
The months with the highest UV index are June and 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
Highwood, MT
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in May
Highwood, 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).
