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
Richey sees an increase in average high-temperatures during May, moving from a fresh 53.4°F (11.9°C) in April to a comfortable 64.9°F (18.3°C). Richey records an average low-temperature of 46.9°F (8.3°C) throughout the month of May.Humidity
The average relative humidity in May in Richey is 56%.Rainfall
May is the month with the most rainfall. Rain falls for 13.7 days and accumulates 2.2" (56mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Richey. 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
In May, the average length of the day is 15h and 10min.On the first day of May, sunrise is at 5:41 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:06 am and sunset at 8:49 pm MDT.
Sunshine
In Richey, the average sunshine in May is 10h.UV index
In Richey, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 during May translates into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May in Richey?
What is the rainiest month?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Richey have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Richey have in May?
How high is the UV index in May?
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
Weather forecast for your location
2. Allow the app to use your location