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
Kirby in May shows a temperature shift, moving from an average high of a fresh 53.1°F (11.7°C) in April to a refreshing 63.7°F (17.6°C). Kirby's temperature in May lowers to a consistent average of 43.5°F (6.4°C) during the nights.Humidity
In May, the average relative humidity in Kirby is 61%.Rainfall
The month with the most rainfall is May, when the rain falls for 18 days and typically aggregates up to 2.64" (67mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows in Kirby. During 1.3 snowfall days, in May, Kirby aggregates 0.87" (22mm) of snow. In Kirby, Montana, during the entire year, snow falls for 65.3 days and aggregates up to 28.82" (732mm) of snow.Daylight
In Kirby, the average length of the day in May is 14h and 55min.On the first day of May, sunrise is at 5:54 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:48 pm MDT.
Sunshine
In May, the average sunshine in Kirby is 10.5h.UV index
The average daily maximum UV index in May in Kirby is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What are the temperatures in Kirby in May?
What is the average humidity in May in Kirby?
What is the wettest month in Kirby?
How many days does it rain in May in Kirby?
What is the last month it snows in Kirby?
What is the average length of the day in May in Kirby?
What time are sunrise and sunset in May in Kirby?
How many hours of sunshine does Kirby have in May?
How high is the UV index in May in Kirby?
Average temperature in May
Kirby, MT
- Average high temperature in May: 63.7°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (31.1°F).
- Average low temperature in May: 43.5°F
The month with the highest average low temperature is July (61.5°F).
The coldest months (with the lowest average low temperature) are January and February (16.2°F).
Average pressure in May
Kirby, MT
- Average pressure in May: 29.91"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
Kirby, MT
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest months (with the lowest average wind speed) are July and December (6.8mph).
Average humidity in May
Kirby, MT
- Average humidity in May: 61%
The months with the highest relative humidity are January and February (79%).
The month with the lowest relative humidity is August (40%).
Average rainfall in May
Kirby, MT
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in May
Kirby, MT
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in May
Kirby, MT
- Average snowfall in May: 0.87"
The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Kirby, MT
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Kirby, MT
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 10h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in May
Kirby, MT
- Average sunshine days in May: 9.6 days
The month with the most sunshine days is September (18.2 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in May
Kirby, 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 January, February, March, November and December (UV index 2).
Average cloud cover in May
Kirby, MT
- Average cloud cover in May: 31
The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in May
Kirby, 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).
Kirby, Montana, USA
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