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's arrival coincides with a temperature rise, moving from April's fresh 53.4°F (11.9°C) to an enjoyable 64.9°F (18.3°C). Richey, during May nights, observes an average temperature of 46.9°F (8.3°C).Humidity
In Richey, the average relative humidity in May is 56%.Rainfall
The month with the most rainfall in Richey is May, when the rain falls for 13.7 days and typically aggregates up to 2.2" (56mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1 snowfall days, in May, Richey aggregates 0.79" (20mm) of snow. Throughout the year, there are 58.7 snowfall days, and 17.28" (439mm) of snow is accumulated.Daylight
The average length of the day in May is 15h and 10min.On the first day of the month, sunrise is at 5:41 am and sunset at 8:13 pm. On the last day of May, sunrise is at 5:06 am and sunset at 8:49 pm MDT.
Sunshine
In May, the average sunshine is 10h.UV index
In Richey, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during May leads to these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the average May temperature in Richey?
What is the average humidity in May in Richey?
What is the rainiest month in Richey?
How many days does it rain in May in Richey?
What is the last month it snows in Richey?
What is the average length of the day in May in Richey?
When is the sunrise / sunset in May in Richey?
How long on average sun shines in May in Richey?
How high is the UV index in May in Richey?
Average temperature in May
Richey, MT
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in May
Richey, 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
Richey, 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
Richey, 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
Richey, MT
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in May
Richey, MT
- Average rainfall days in May: 13.7 days
The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4 days).
Average snowfall in May
Richey, MT
- Average snowfall in May: 0.79"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Richey, MT
- Average snowfall days in May: 1 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Richey, MT
- Average daylight in May: 15h and 1min
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 0min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in May
Richey, MT
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in May
Richey, 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
Richey, MT
- Average cloud cover in May: 34
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in May
Richey, 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).
Richey, Montana, USA
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