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
May signals a shift in the average high-temperature, moving from April's fresh 53.8°F (12.1°C) to a refreshing 65.3°F (18.5°C). May nights cool down to an average low-temperature of 47.1°F (8.4°C).Humidity
The average relative humidity in May is 56%.Rainfall
The month with the most rainfall is May, when the rain falls for 11.3 days and typically aggregates up to 1.73" (44mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.6 snowfall days, in May, Marsh aggregates 0.2" (5mm) of snow. Throughout the year, there are 45.2 snowfall days, and 10.55" (268mm) of snow is accumulated.Daylight
The average length of the day in May is 15h and 5min.On the first day of May, sunrise is at 5:42 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:46 pm MDT.
Sunshine
The average sunshine in May is 10h.UV index
In May, the average daily maximum UV index in Marsh is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 during May translates into the following guidance:
Put precautions into practice - Protective measures against sun-induced damage are advised. When the Sun is at its strongest around midday, find shade and limit exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Marsh in May?
What is the average humidity in May?
What is the wettest month?
How many days does it rain in May in Marsh?
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 Marsh have in May?
How high is the UV index in May?
Average temperature in May
Marsh, MT
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in May: 47.1°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in May
Marsh, MT
- Average pressure in May: 29.91"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
Marsh, MT
- Average wind speed in May: 10.5mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in May
Marsh, MT
- Average humidity in May: 56%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (43%).
Average rainfall in May
Marsh, MT
- Average rainfall in May: 1.73"
The wettest month (with the highest rainfall) is May (1.73").
The driest months (with the least rainfall) are January, March and November (0.35").
Average rainfall days in May
Marsh, MT
- Average rainfall days in May: 11.3 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in May
Marsh, MT
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Marsh, MT
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Marsh, MT
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- 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 February and December (Average sunshine: 4h and 48min).
Average sunshine days in May
Marsh, MT
- Average sunshine days in May: 16.8 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (14.9 days).
Average UV index in May
Marsh, 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 November and December (UV index 1).
Average cloud cover in May
Marsh, MT
- Average cloud cover in May: 34
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in May
Marsh, 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).
Marsh, Montana, USA
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