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
The onset of May marks an increase in the average high-temperature, moving from a frosty 46.6°F (8.1°C) in April to a moderate 59.5°F (15.3°C). Apgar notes a substantial temperature decline from the daytime peaks throughout May, with an average nighttime temperature of 35.2°F (1.8°C).Humidity
In Apgar, the average relative humidity in May is 68%.Rainfall
In May, the rain falls for 13.8 days. Throughout May, 1.1" (28mm) of precipitation is accumulated. In Apgar, during the entire year, the rain falls for 126.4 days and collects up to 11.22" (285mm) of precipitation.Snowfall
Months with snowfall in Apgar are January through May, September through December. May is the last month it regularly snows. During 1.5 snowfall days, in May, Apgar aggregates 0.55" (14mm) of snow. Throughout the year, in Apgar, there are 97 snowfall days, and 33.86" (860mm) of snow is accumulated.Daylight
In Apgar, the average length of the day in May is 15h and 16min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:51 pm. On the last day of May, sunrise is at 5:38 am and sunset at 9:29 pm MDT.
Sunshine
The average sunshine in May is 10.4h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 during May translates into the following directions:
Exercise prevention - Warding off sunburn is urged. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Apgar in May?
What is the average humidity in May in Apgar?
How much does it rain in Apgar in May?
What is the last month it snows in Apgar?
What is the average length of the day in May in Apgar?
What time are sunrise and sunset in May in Apgar?
How long on average sun shines in May in Apgar?
How high is the UV index in May in Apgar?
Average temperature in May
Apgar, MT
- Average high temperature in May: 59.5°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in May: 35.2°F
The month with the highest average low temperature is August (45.5°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).
Average pressure in May
Apgar, MT
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Apgar, MT
- Average wind speed in May: 4.4mph
The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest months (with the lowest average wind speed) are August and December (3.7mph).
Average humidity in May
Apgar, MT
- Average humidity in May: 68%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).
Average rainfall in May
Apgar, MT
- Average rainfall in May: 1.1"
The wettest month (with the highest rainfall) is June (1.42").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in May
Apgar, MT
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in May
Apgar, MT
- Average snowfall in May: 0.55"
The month with the highest snowfall is January (7.72").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Apgar, MT
- Average snowfall days in May: 1.5 days
The month with the highest number of snowfall days is December (19.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Apgar, MT
- 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: 10h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Apgar, MT
- Average sunshine days in May: 14.2 days
The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in May
Apgar, 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, November and December (UV index 1).
Average cloud cover in May
Apgar, MT
- Average cloud cover in May: 33
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in May
Apgar, MT
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
Apgar, Montana, USA
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